187 Java Engineer jobs in Ireland

**Our Purpose**
_Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._
**Title and Summary**
Software Engineer II - Java
Title: R-247601 Software Engineer II
Overview:
Mastercard's Embedded Finance team, part of Corporate Solutions, is seeking a dynamic Software Engineer II with expertise in full-stack Java development. This role will focus on microservice and database development using modern full-stack development practices.
We're building a cutting-edge global B2B technology platform to streamline payment management for businesses of all sizes, whether they are buying or selling products and services. As part of our Mastercard Technology Hub, you will work in a state-of-the-art environment that fosters collaboration and innovation in our Agile engineering culture.
In this role, you'll play a pivotal part in transforming the B2B space by standardizing, automating, and optimizing digital payment solutions, bringing unparalleled efficiency to the way businesses operate.
This is a hybrid position based in Atlanta, GA, requiring three days per week onsite.
Role:
- Design and develop high-quality, scalable software using Java and modern full-stack technologies, ensuring code meets the highest performance standards.
- Build Java microservices that seamlessly integrate with Angular, third-party applications, and backend systems to deliver a unified platform.
- Contribute to planning, design, and development of microservices with a focus on robustness, scalability, and ease of maintenance.
- Ensure top-tier software quality through automated testing, code reviews, and performance monitoring, maintaining code that is secure and efficient.
- Participate actively in Agile ceremonies, including sprint planning, stand-ups, and retrospectives, to ensure smooth project execution.
- Troubleshoot and resolve production issues quickly, ensuring minimal downtime and maximum efficiency.
- Write clean, maintainable code in line with Mastercard's software development standards.
- Collaborate closely with cross-functional teams of software engineers, test engineers, TPMs, and PMs to ensure seamless development and deployment.
- Stay ahead of industry trends and continually advocate for best practices in modern software engineering, focusing on scalability and quality.
All About You:
- Strong experience in full-stack Java development, with hands-on expertise in building scalable applications.
- Solid experience in developing Java APIs and working with web technologies, including HTML, JavaScript, and frameworks such as Angular.
- Familiarity with database development, particularly with relational databases like PostgreSQL or Oracle.
- Proven track record working in an Agile environment, focused on continuous improvement and collaboration.
- Focus on delivering the highest quality software and embracing best practices in software architecture
- Experience working in commercial card space or corporate banking is preferred but not required.
- Strong problem-solving skills with the ability to manage multiple tasks, prioritize, and execute complex projects efficiently, whether independently or within a team.
- Excellent written and verbal communication skills, with the ability to translate technical concepts to non-technical stakeholders.
- A genuine passion for customer-centric design, creating solutions that are impactful and scalable.
- Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
**Corporate Security Responsibility**
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
+ Abide by Mastercard's security policies and practices;
+ Ensure the confidentiality and integrity of the information being accessed;
+ Report any suspected information security violation or breach, and
+ Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions, enabling the communities we support to grow and succeed in the right ways, all more confidently and more often-that's what we call the courage to thrive. We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U.S. Bank gives you a wide, ever-growing range of opportunities to discover what makes you thrive. Try new things, learn new skills and discover what you excel at-all from Day One.
As a wholly owned subsidiary of U.S. Bank, Elavon is committed to building the platforms and ecosystems that help over 1.5 million customers around the world to achieve their financial goals-no matter what they need. From transaction processing to customer service, to driving innovation and launching new products, we're building a range of tailored payment solutions powered by the latest technology. As part of our team, you can explore what motivates and energizes your career goals: partnering with our customers, our communities, and each other.
**Job Description**
We are seeking a highly skilled and experienced **Dev Lead / Full Stack Engineer** to join our dynamic engineering team.
This role requires a seasoned professional with a strong background in enterprise Java application development, cloud-native architecture, and modern front-end technologies.
You will **lead a team of developers** , drive technical excellence, and contribute hands-on to the design and development of scalable, high-performance applications.
**Key Responsibilities**
+ Lead the design, development, and deployment of enterprise-grade applications using Java, Spring Boot, and microservices architecture
+ Architect and implement scalable solutions on AWS using Docker and Kubernetes
+ Develop and maintain robust APIs and backend services using Spring Framework, Hibernate, and Kafka
+ Build responsive and dynamic user interfaces using React.js, Node.js, and JavaScript
+ Mentor and guide a team of developers, fostering a culture of collaboration, innovation, and continuous improvement
+ Establish and enforce coding standards, best practices, and design patterns
+ Collaborate with cross-functional teams including product, QA, and DevOps to deliver high-quality software
+ Participate in Agile ceremonies and contribute to sprint planning, estimation, and retrospectives
+ Ensure application performance, scalability, and security across all layers of the stack
**Required Qualifications**
+ 10+ years of hands-on experience in Java development with expertise in Spring Boot, Spring Framework, and microservices
+ Strong experience with AWS, Docker, Kubernetes, and infrastructure automation
+ Proficiency in Hibernate or equivalent ORM frameworks
+ Solid understanding of Kafka and event-driven architecture
+ Front-end development experience with React.js, Node.js, and JavaScript
+ Proven ability to lead and mentor engineering teams
+ Deep understanding of software design principles and architectural patterns
+ Familiarity with Agile methodologies and DevOps practices
+ Excellent problem-solving, communication, and leadership skills
**Preferred Qualifications**
+ Experience with CI/CD pipelines and infrastructure as code
+ Exposure to performance tuning and security best practices
+ Contributions to open-source projects or technical communities
**Location**
The role offers a hybrid / flexible schedule, which means there's an in-office expectation of 3 or more days per week and the flexibility to work outside the office location for the other days.
_This position is not eligible for visa sponsorship._
**Why U.S. Bank?**
Be part of something big-where integrity matters and success inspires, where great people collaborate, innovate, and give back, and where you feel included, valued, and proud.
At U.S. Bank, we're looking for people who want more than just a job-they want to make a difference in the communities where they live and work.
If there's anything we can do to accommodate a disability during any portion of the application or hiring process, please refer to our disability accommodations for applicants ( .
**Benefits** :
We offer an exciting, fast-paced and diverse working environment with employees of many different nationalities. We provide benefits to help you protect your health and financial security; and give you peace of mind. We also invest in your career growth with development resources that give you the opportunity to stretch and shine.
**Posting may be closed earlier due to high volume of applicants.**

Are you a customer-obsessed, AI-curious problem-solver who thrives in an inclusive, collaborative global team? The Azure Customer Experience Platform (CXP) team's mission is to transform Microsoft Cloud customers into fans. Through our deep engineering engagements with customers and teams across Microsoft, we analyze and amplify customer needs and drive the vision to improve Cloud quality, security, and reliability. Our culture of growth, mindset and empowerment are central to who we are and how we work.
The Azure CXP PRIMO organization within Azure CXP is responsible for building great products to enable Customer Success at scale. This Software Engineer I position is targeted for someone who is: thrilled about online services, cloud computing, and user experience, loves to work in an agile development team, embraces and solves new technological challenges, deeply passionate about building effective software and continuously improving the development process, independent thinker and working collaboratively in a team environment. As part of this role, you will collaborate closely with multiple teams to deliver key customer solutions and the technology to support them.
You will have ample opportunities to participate in all stages of our engineering lifecycle - from initial research and discovery, quick iteration on promising concepts, solution prototyping, and development, all the way through successful service rollout and Live Site support.
Every day, our customers stake their business and reputation on our cloud. You can help #AzCXP provide our customers with the world-class cloud services they need to succeed.
Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.
**Responsibilities**
+ With guidance, learns to create and implement extensible code for a product, service, or feature reusing code as applicable.
+ Works with appropriate stakeholders to determine user requirements for a feature.
+ Collaborates with experienced engineers and mentors to translate ideas from research and design into production-grade systems.
+ Acts as a Designated Responsible Individual (DRI) in monitoring system/product feature/service for degradation, downtime, or interruptions for simple problems, and recommends actions to restore system/product/service by following the playbook.
+ Contribute to the continuous improvement of the team's processes, practices, and culture.
+ Learn and adopt new technologies and frameworks as needed.
**Qualifications**
**Required Qualifications**
+ Bachelor's Degree in Computer Science or related technical field with experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.
+ You must be legally authorized to work in Ireland to be eligible for this role. (Legally authorised = Has citizenship or has been granted a valid visa or work permit).
**Preferred Qualifications**
+ Bachelor's Degree in Computer Science or related technical field and experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
+ OR Master's Degree in Computer Science or related technical field and experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
+ Experience or working knowledge of JavaScript/Node.js/React or another similar web stack.
+ Proficient with high quality Software design, development experience with effective problem solving, and debugging skills.
+ Experience in working on big data pipelines such as Cosmos, Kusto, Azure Data Factory, etc. or similar technologies would be a plus.
+ Experience in working with Azure Dev Ops and SQL or similar technologies would be a plus.
**Other Qualifications**
**Microsoft Cloud Background Check:** This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.
#PRIMOjobs
#CXPjobs
#AzCXP
Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations ( .

Looking for experienced Software Developers with exposure in the networking or Telco space to join this well-established communications company. You will be focusing on developing code within a specialised networking team within the telco sector. Working in collaboration with other development teams to ensure that all the code and work runs smoothly together for the customer base. This role will see you working in a close team with some very experienced engineers at the head with a good possibility for career growth as the company grows. Requirements: 4+ years of working in a networking development environment Good C++ experience Experience working with networking technologies such as TCP/IP, Shell scripting and Multithreading Previous experience working in tight-knit teams Experience with C code is also advantageous Benefits: Hybrid Working Healthcare Pension Bonus L&D opportunities Get in touch with Daniel Brown at Reperio Human Capital to find out more Reperio Human Capital acts as an Employment Agency and an Employment Business. Skills: C++ Networking Multithreading TCP/IP Modern C++ Benefits: Work From Home

**Our Purpose**
_Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._
**Title and Summary**
Senior Software Engineer
Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview
- Have you ever brought a product to market on a global scale?
- Do you have what it takes to technically own a product and drive a solution to market?
- Are you motivated to be a part of a high performing team delivering solutions with agility?
- Design & develop a world class In Control for Commercial payments platform
- Innovate new technologies in the payments space
Role
- Experienced and proactive senior software engineer for a world class distributed agile development team in the commercial virtual payments space.
- Contribute to the team and wider platform on a daily basis the design and development of the platform.
- Work with internal stakeholders and senior management to define business requirements and assist in the prioritization of tasks for the development team.
- Mentor junior members of the team.
- Contribute to architectural discussions and work across other products to ensure alignment with the rest of the product suite.
All About You
- Ideally experienced developer with strong/expert level Java development/architecture experience with Spring/Hibernate expertise.
- Proven experience building world class solutions on a global scale.
- Strong experience working in an agile environment and actively contributing to discussions at retrospectives/elaboration sessions.
- Solid experience with RESTful APIs and JSON/SOAP based API with Java.
- Ability to debug server-side API calls, and contribute to the design of best-practice RESTful APIs
- Knowledge of cloud native development such as cloud foundry, AWS, etc."
**Corporate Security Responsibility**
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
+ Abide by Mastercard's security policies and practices;
+ Ensure the confidentiality and integrity of the information being accessed;
+ Report any suspected information security violation or breach, and
+ Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

**Our Purpose**
_Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._
**Title and Summary**
Lead Software Engineer
Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview
The InControl for Commercial Payments (ICCP) platform is a fundamental part of Mastercard's Commercial Solutions, enabling some of our largest customers to issue Virtual Cards to securely manage and report on Travel, Expense & Supplier transactions. Focused on secure, highly available and innovative solutions, this dynamic team is responsible for end-to-end solutions for a diverse global customer base.
We are seeking a Technical Software Development Lead to work with our cross-functional development teams within the Virtual Cards, Spend Controls & Alerts program organization.
Role
- Builds (design, develop, and deliver) complex applications, framework, tools, and researches alternative technical solutions as per changing business needs and delivers quality product in a timely and cost effective manner.
- Successfully lead major projects and complex assignments with broad scope and long-term business implications. Create solutions with high level of innovation, cost effectiveness, high quality and faster time to market.
- Lead day to day software development and maintenance activities of the team.
- Contribute to the overall strategy and manage complex issues within functional area of expertise.
- Develop overall strategic technical plan and create architecture solutions and proposals.
- Mentor, coach and assist project team members. Provide technical training to the team. Assist with selection of technical resources for projects.
- Research, create and evaluate technical solution alternatives for the business needs current and future.
- Collaborate with business and technical partners to identify and scope opportunities, identify risks, benefits and constraints.
- Contribute ideas to help ensure that required standards and processes are in place and actively look for opportunities to enhance standards and improve process efficiency.
All About You
- Proven experience as a technical lead, building world class solutions on a global scale.
- Experience in a related field, experience in delivering secure, maintainable, scalable and complex application solutions.
- Full Stack developer with strong Java development/architecture experience.
- Experience documenting detailed designs with class and sequence diagrams.
- Expert in web technologies such as Spring, JavaScript, JQuery, AngularJS, CSS, cross browser compatibility, GWT & HTML.
- Experience with responsive design, working with RESTful APIs and JSON.
- Ability to debug server-side API calls, and contribute to the design of best-practice RESTful APIs.
- Advanced knowledge of Linux/Unix and security standards.
- Knowledge/experience using cloud native development such as PCF, AWS, etc.
- Experience with Java performance testing and benchmarking.
- Experience in Database Design, Oracle Databases, strong knowledge of PL/SQL.
- Working Knowledge of tools like Sonar, Dynatrace, GIT, ALM, CI (Jenkins)/CD, Splunk.
- Understanding of Web/Application servers like Websphere 8, Apache Tomcat.
- Ability to be high-energy, detail-oriented, proactive and able to function under pressure in an independent environment along with a high degree of initiative and self-motivation to drive results.
- Strong communication skills -- both verbal and written - and strong relationship, collaboration skills and organizational skills.
- Ability to quickly learn and implement new technologies, frameworks and tools and support multiple concurrent activities and to interface with external / internal resources.
- Experience using the Agile Methodology.
- Ability to deal with pressure situation without compromising the processes.
- Result oriented, self-driven and go-getter abilities.
**Corporate Security Responsibility**
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
+ Abide by Mastercard's security policies and practices;
+ Ensure the confidentiality and integrity of the information being accessed;
+ Report any suspected information security violation or breach, and
+ Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

**Job Description**
This role entails the following and will work within Global Manufacturing organization, Vision and Automation Services (VAAS).
The VAAS Senior Software Engineer will drive the identification, evaluation, and adoption of rapid iterative and incremental software solutions together with Junior, Senior, and Principal Engineers and our Manufacturing Engineering business partners.
If you're looking for a challenging opportunity, working within a top-notch team and with diverse technology - this may be the position for you.
**What You'll Do:**
+ Develop scalable software solutions based on detailed business requirements and supported technology architecture
+ Demonstrate experience and proficiency in the following technology platforms/patterns:Java, GitHub Workflows, UI Framework Development, API Framework Development, Data Layer Development, Unit Testing, UI Experience with Angular. Solutions Architecture (design, proposal, develop, deliver, sustain), Secured Development Patterns, and Practices Kubernetes/Dock Mobile Development Network (Firewall, Proxy, Gateway), Azure/AWS/GCP
+ Actively engage in development team activities associated with brainstorming new solutions and refining current solutions. Drive technical efforts that lead to success in software project delivery
+ Possess technical depth and applied experience in multi-layer solution development, performance tuning, solution debug, incident triage/remediation, and usability improvement.
+ Engage to identify and remediate software opportunities related to code quality, security, framework development, and software usability refinement.
+ Proficiency in build/release automation solutions.
+ Demonstrated experience augmenting build/release automation solutions to include unit testing, code quality scanning, security scanning, and dependency management.
+ Mentor & coach new and experienced software developers
**Required Behaviors & Skills:**
+ Drives results through a strong work ethic
+ Challenges themselves and their peers
+ Enjoys working collaboratively in a cross-functional teams
+ Has a strong ability and willingness to learn
+ Desires to deliver innovative solutions to complex problems
+ Has a strong attention to detail
+ Demonstrate strong written and verbal communication skills.
+ Proven experience creating and presenting solution proposals and strategic technical proposals.
+ You will need to model GM behaviors and actively contribute to building a winning culture.
**Minimum Experience**
+ Minimum 6 years of professional full stack software development experience
+ Excellent technical (hands-on) knowledge of Java, SQL
+ Excellent technical (hands-on) knowledge of UI Frameworks (Angular, React)
+ Proficient in multi-threaded development
+ Experience with Spring Boot
+ Experience with cloud platforms, K8/3, Docker and HPC platforms
+ Excellent understanding of software development best practices
+ Experience integrating applications with multiple enterprise level services
+ Experience designing, implementing, and optimizing production applications
+ Experience working in an agile environment
+ Extensive UI Design experience
+ Comfortable dealing with ambiguity
+ Public Cloud (Azure/AWS/GCP)
+ Distributed System Design (on-prem, public cloud)
**Nice to Have Experience**
+ Experience working with production AI/ML models and pipelines
+ Object Store / S3 experience
**Hybrid**
This role is categorized as Hybrid. This means the successful candidate is expected to report to the Limerick office 3 times per week, at minimum.
**Work Schedule**
+ Working hours will primarily take place during traditional business hours.
+ Personnel are expected to responsibly coordinate development activities with peers in other time zones (Ireland/US).
+ Deployment activities will require additional, periodic coverage on weekends and holidays to be distributed within the development team.
+ Minimum three days a week work onsite in the Limerick office
**About GM**
Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.
**Why Join Us**
We believe we all must make a choice every day - individually and collectively - to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team.
**Non-Discrimination and Equal Employment Opportunities**
General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers.
We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire ( .
**Accommodations**
General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email ( ) us or call us at . In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.
We are leading the change to make our world better, safer and more equitable for all through our actions and how we behave. Learn more about:
**Our Company ( Culture**
**How we hire ( diverse team of employees bring their collective passion for engineering, technology and design to deliver on our vision of a world with Zero Crashes, Zero Emissions and Zero Congestion. We are looking for adventure-seekers and imaginative thought leaders to help us transform mobility.
Explore our global locations ( policy of General Motors is to extend opportunities to qualified applicants and employees on an equal basis regardless of an individual's age, race, color, sex, religion, national origin, disability, sexual orientation, gender identity/expression or veteran status. Additionally, General Motors is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us at .In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Join the Update Platform team as a **Software Engineer II** for the chance to have an impact on billions of customers every day. The Update Platform Team is responsible for ensuring seamless delivery and integration of Windows software updates and always keeping our customers up-to-date and secure.
As a key member of this team, you'll be at the forefront of ensuring our software products remain cutting-edge, secure, and high performing. Imagine being part of a collaborative environment where your contributions have a direct impact on the user experience and drive the success of our products.
In this exciting role, you'll work with a diverse group of talented professionals, leveraging the latest technologies and best practices to streamline our update processes. From leveraging the latest technological trends in ML and AI to architecting the next level of scalability of the update pipeline for the ever-increasing demands of our customers, this role is the ideal place to enhance your skill set as you work on hard problems. If you're passionate about technology, thrive in a fast-paced environment, and are eager to make a tangible difference, the Update Platform Team is the perfect place for you. Join us and be part of a team that's shaping the future of software updates!
Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.
**Responsibilities**
+ You will be designing and implementing new features to support customer requirements as well as continuously improving the quality and reliability of the update stack client code responsible for discovery, installation and lifecycle of updates to the operating system.
+ You will work with other teams across WSD and Windows to design and build features that enable the most efficient and seamless way to update their components to bring to market the latest in innovation including ML/AI models, Applications, and security updates. As we look toward a new future with Agentic AI and AI Orchestration, we will be looking for you to bring new thinking and ideas as we move forward.
+ You will design, test and develop these features based on internal and external customer requirements leveraging a fast-paced quarterly planning cycle. Lots of opportunity to have organizational impact by collaborating, innovating and building the next set of internal processes and tools to support fast yet reliable shipping of new code to our validation rings and retail customers.
+ Address security vulnerabilities and at the same time build resilient architecture for your components in today's ever increasing security focused landscape.
+ Monitor monthly retail releases to Windows and diagnose/mitigate/resolve issues expeditiously when they happen.
**Qualifications**
**Required Qualifications:**
+ Bachelor's Degree in Computer Science or related technical field AND technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
+ OR equivalent experience.
**Preferred Qualifications:**
+ Experience with technical abilities around design, coding, rapid prototyping, debugging, and problem solving.   
+ Recent exposure and implementation of products and services leveraging the latest generative AI models and agents.
+ Previous experience with verbal, written and cross group collaboration and communication  .
+ Operating System fundamentals background, deployment technology.
+ Experience in coding, debugging, and problem-solving skills. 
+ Demonstrated focus for meeting customer needs. 
+ Contributing to team culture. 
+ Track record of learning and growing.
Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations ( .

**Our Purpose**
_Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential._
**Title and Summary**
Lead Software Engineer
Job Description Summary
Overview
Be part of the Operations & Technology Fraud Products team developing new capabilities for MasterCard's Decision Management Platform, which serves as the core for multiple business solutions to combat fraud and validate cardholder identity. Our patented Java-based platform processes billions of transactions per month in tens of milliseconds using a multi-tiered, message-oriented approach for high performance and availability.
- Would you like to develop industry leading solutions for fighting fraud?
- Are you motivated by speeding business solutions to market?
- Do you want to innovate, using cutting edge technologies on challenging business problems?
Role
This role involves working with a team of talented developers to develop high performance, high volume solutions. You will be responsible for:
- Lead day to day systems development and maintenance activities of the team to meet service level agreements (SLAs) and create solutions with high level of innovation, cost effectiveness, high quality and faster time to market.
- Accountable for full systems development life cycle including creating high quality requirements documents, use-cases, design and other technical artifacts including but not limited to detailed test strategy/test design, performance benchmarking, release rollout and deployment plans, contingency/back-out plans, feasibility study, cost and time analysis and detailed estimates.
- Collaborate with Architects, fellow Leads, Developers, Business Analysts & Product Owners in Dublin & other Mastercard locations.
- Develop high-quality, secure, scalable and maintainable Java-based software solutions.
- Apply best practices for automated testing, automated code quality, automated delivery & automated monitoring.
- Mentor the senior & junior engineers on your team through sound technical advice, UML documentation & code reviews.
- Assist with troubleshooting production incidents & channel learnings back into the development stream to mitigate future customer impact.
- Participate in PoCs (Proof of Concept) and help the Department with selection of Vendor Solutions, Technologies, Methodologies and Frameworks.
- Collaborate with vendor resources for support of products.
- Conduct brownbag sessions on new and upcoming technologies, methodologies and application appropriate frameworks.
- Actively look for opportunities to enhance standards and improve process efficiency.
- Perform Quality Inspections and Walkthroughs throughout the SDLC including Requirements Review, Design Review, Code Review and Security Review to ensure compliance with Mastercard and PCI standards.
- Work as part of a co-located Agile SCRUM team.
All About You
- Must be high-energy, detail-oriented, proactive and have the ability to function under pressure in an independent environment.
- Must provide the necessary skills to have a high degree of initiative and self-motivation to drive results.
- Possesses strong communication skills -- both verbal and written - and strong relationship, collaborative skills and organizational skills.
- Willingness and ability to learn and take on challenging opportunities and to work as a member of matrix based diverse and geographically distributed project team.
- Deep knowledge of software development processes including agile processes and test driven development.
- Experience with the design and development of complex, multi-tier software solutions.
- Essential Skills required:
○ A wide breadth and depth of technical experience using Java/JEE
○ Strong Linux and shell scripting
○ Oracle & PL/SQL and advanced SQL scripting
○ Spring Framework (including Spring Boot)
○ J2EE Web Application/Web Services (e.g. with JBoss and/or Apache Tomcat)
○ Web Services - REST/XML/JSON
- Desirable Skills:
○ Messaging - MQ and JMS
○ Experience integrating vendor and open source products into an overall system
○ Experience working with containerised environments, such as Kubernetes/OpenShift/CloudFoundry
○ Experience with integration frameworks such as Apache Camel/Spring Integration
○ Experience with monitoring service performance
○ Experience with visual design tools (Visio, Confluence Gliffy, etc.)
**Corporate Security Responsibility**
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
+ Abide by Mastercard's security policies and practices;
+ Ensure the confidentiality and integrity of the information being accessed;
+ Report any suspected information security violation or breach, and
+ Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.