25 Backend Developer jobs in Ireland

AI / Backend Developer (Co Clare) Key 2 Recruitment have been retained by an expanding Clare based multinational company to recruit a AI /BackendDeveloperto join their team in Co Clare. Company will consider a Hybrid role (potentially 2 working from home per week) but requires the successful candidate to live in the immediate area (Galway / Clare or Limerick) Role Responsibility The ideal candidate is passionate about Artificial Intelligence (AI), machine learning (ML), and innovative product Backend development. You will work closely with a multidisciplinary team of engineers and product managers to design, build, and optimize AI-driven solutions for next-generation products. Responsibilities: Develop, test, and maintain Python-based applications with a strong AI/ML component. Collaborate with engineers and product managers to translate prototypes into scalable applications. C# Development Integrate AI models into cloud-based and edge computing environments. Stay updated on the latest developments in AI, ML, and Python frameworks. Requirements: Strong understanding of AI/ML principles, deep learning frameworks (e.g., TensorFlow, PyTorch, Scikit-Learn). Experience with C# Excellent communication and teamwork skills. Successful candidate will enjoy an excellent basic Salary , Healthcare and Pension , For more information on this position please contact Key 2 Recruitment, email or call Skills: PythonAITest Benefits: Healthcare Pension# Skills: Backend Developer Python C# Benefits: Healthcare Pension

**_Job Title:_**
Software Development Engineer
**About** **Trellix:**
**Trellix, the trusted CISO ally, is redefining the future of cybersecurity and soulful work.** Our comprehensive, GenAI-powered platform helps organizations confronted by today's most advanced threats gain confidence in the protection and resilience of their operations. Along with an extensive partner ecosystem, we accelerate technology innovation through artificial intelligence, automation, and analytics to empower over 53,000 customers with responsibly architected security solutions.
We also recognize the importance of closing the 4-million-person cybersecurity talent gap. We aim to create a home for anyone seeking a meaningful future in cybersecurity and look for candidates across industries to join us in soulful work. More at .
**_Role Overview:_**
C++ Software developer
About the role :
You will work to convert a problem statement to a design and implementation.
You will document details of functionality, design and architecture of a component.
You will participate in code reviews with engineers.
Can understand impact of code changes- both programmable and logical changes.
Can "piece together" relevant existing functionality and quickly come up with a prototype or solution.
Encourage or host reviews on Application source code and technical documentation.
About You:
You have 2+ Years of experience in product development.
Should have programming, strong debugging experience, and excellent problem solving skills. Proven knowledge of debugging using tools like windbg.
Expertise in C++, C, and a strong understanding of basic OS concepts is must.
Should be able to write Unit Tests.
Knowledge of Windows internals.
Working knowledge of tools like WinDbg, Coverity, etc.
Familiar with Test Driven Development concepts.
Demonstrated ability to work effectively both within a team and cross-group to drive identification and resolution of issues to ship under tight deadlines along with being able to drive features into the product.
Passion to work with demanding customers
Document, user stories/use cases, functional specification and design
**_Company Benefits and Perks:_**
We believe that the best solutions are developed by teams who embrace each other's unique experiences, skills, and abilities. We work hard to create a dynamic workforce where we encourage everyone to bring their authentic selves to work every day. We offer a variety of social programs, flexible work hours and family-friendly benefits to all of our employees.
+ Retirement Plans
+ Medical, Dental and Vision Coverage
+ Paid Time Off
+ Paid Parental Leave
+ Support for Community Involvement
We're serious about our commitment to a workplace where everyone can thrive and contribute to our industry-leading products and customer support, which is why we prohibit discrimination and harassment based on race, color, religion, gender, national origin, age, disability, veteran status, marital status, pregnancy, gender expression or identity, sexual orientation or any other legally protected status.

**Introduction**
A career in IBM Software means you'll be part of a team that transforms our customers challenges into solutions. Seeking new possibilities and always staying curious, we are a team dedicated to creating the world's leading AI-powered, cloud-native software solutions for our customers. Our renowned legacy creates endless global opportunities for our IBMers, so the door is always open for those who want to grow their career. IBM's product and technology landscape includes Research, Software, and Infrastructure. Entering this domain positions you at the heart of IBM, where growth and innovation thrive.
**Your role and responsibilities**
You will directly manage a team of developers and lead them to design and deliver impactful and valuable platform features across our Cloudability product and help operate the Cloudability product suite and help scale our platform to support our growing engineering community and customer base. You will partner with product managers, designers, and other engineering leaders to build/refine the product roadmap and establish engineering goals. You will collaborate with the leadership team to continuously manage trade-offs between scope, resources and time during the development lifecycle.
**Required technical and professional expertise**
* 5+ years of software engineering experience.
* 1+ years of experience as a software engineering manager.
* Experience releasing software in an agile, CI, and DevOps environment.
* Experience in Linux/Unix environments.
* DevOps and Operational Experiences
**Preferred technical and professional experience**
* Software development experience in OOP (e.g.: Java), Go, Python, SQL, and AWS.
* Experience tuning performance and scalability of containerized (e.g.: Docker), cloud-based applications (e.g.: AWS, Azure, Google Cloud Platform).
* Experience with Infrastructure as Code (e.g.: Terraform, CloudFormation).
* Familiarity with RESTful systems and their APIs.
* Experience in operating a production system at scale, maintaining security compliance, and using telemetry and observability to drive action.
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

CVS Health, the parent company of Signify Health, is increasing investments in digital, data, analytics and technology and Signify Health is excited to be involved! We are hiring for a dynamic new initiative for CVS Health that will run out of our state-of-the-art offices at Bonham Quay. This is your opportunity to be involved with a pioneering business that is transforming health care in the United States by making customer experiences more seamless, convenient and personalised. CVS Health is focused on driving business agility and growth through technology, data, digital and experiential innovations. 'Digital First, Technology Forward and Data Driven' is not simply an aspirational goal for the company, but a prerequisite to accelerated growth. Bring your heart to CVS Health. Every one of us at CVS Health shares a single, clear purpose: Bringing our heart to every moment of your health. This purpose guides our commitment to deliver enhanced human-centric health care for a rapidly changing world. Anchored in our brand - with heart at its center - our purpose sends a personal message that how we deliver our services is just as important as what we deliver. Our Heart At Work Behaviors support this purpose. We want everyone who works at CVS Health to feel empowered by the role they play in transforming our culture and accelerating our ability to innovate and deliver solutions to make health care more personal, convenient and affordable. As we reflect on our learnings and successes from remote work, we aim to provide a new state of the art flexible work environment in our Galway facility at Bonham Quay to support those objectives. Careers with offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to divide their time between our Galway office and their home office. Position Summary The Retail Consumer Analytics team is helping lead the effort to transform and drive improved front store consumer experience by partnering with key business areas across CVS Health to deliver impactful analytic solutions and insights. As a member of the Analytics & Behavior Change Pricing Analytics team, you will deliver high visibility analytics projects for key CVS Retail strategic priorities. Within our team, we believe a cutting-edge AI product can only be delivered if every aspect of the solution from data to model to front end UI is fully designed and developed by SMEs within the team. As an Engineer, you will be joining a team designing, building, and delivering data science solutions for optimal retail pricing for CVS stores. Responsibilities include: You will drive revenue and customer satisfaction in CVS Health's Front Store business using advanced analytic solutions to optimizing merchandising and pricing decisions. You will solve complex problems and deliver decision support tools to improve customer experience. Collaborate with business stakeholders to understand business needs and convert them into requirements for solution enhancements or ad hoc analyses. Help guide the overall roadmap for enterprise optimal pricing solutions that deploy complex data science models through interactive user interfaces. Work with teams of data scientists, analysts, data engineers, and developers to execute both solution upgrades and analyses. Architect scalable and efficient data pipelines to ingest, transform, and analyze large volumes of structured and unstructured data within Palantir Foundry. Ensure compliance with best practices, security standards, and data governance policies throughout the development lifecycle. Provide technical guidance, mentorship, and support to junior developers and team members. Proactively identify opportunities for process improvements and optimization within Palantir Foundry ecosystem. We are a dynamic team focused on building innovative analytic solutions using AI/ML and cloud capabilities. We are looking for talented individuals who have a strong sense of ownership, accountability, and a desire to deliver high quality end to end intuitive and impactful analytic products using advanced data driven approaches. Required Qualifications 2+ years of software development experience building and delivering customer facing cloud-based analytic solutions 2+ years of end-to-end application development experience on Palantir foundry or similar systems, leveraging tools such as Workshop, Code Repositories, Pipeline Builder, Ontology objects/actions and Typescript functions Foundry applications or similar systems to meet business requirements and objectives. 2+ year of experience collaborating with cross-functional teams including data analysts, engineers, and business stakeholders to gather requirements and define project scope. 2+ years coding in Python/PySpark, SQL, and LLM modeling 2+ years in cloud-based platforms such as Azure, GCP and AWS. Preferred Qualifications 3+ years of software development experience building and delivering customer facing cloud-based analytic solutions 3+ years of experience leading the design, development, and deployment of applications on Palantir Foundry Platform Retail merchandising domain expertise including category management, assortment optimization, product clustering, product price sensitivity and promotion affinity evaluation, store clustering and localization Experience with Prompt Engineering developing solutions leveraging LLM models Education BA/BS degree required To Apply Please forward your CV via the APPLY Now button below.

**_Job Title:_**
Sr. Software Development Engineer
**About** **Trellix:**
**Trellix, the trusted CISO ally, is redefining the future of cybersecurity and soulful work.** Our comprehensive, GenAI-powered platform helps organizations confronted by today's most advanced threats gain confidence in the protection and resilience of their operations. Along with an extensive partner ecosystem, we accelerate technology innovation through artificial intelligence, automation, and analytics to empower over 53,000 customers with responsibly architected security solutions.
We also recognize the importance of closing the 4-million-person cybersecurity talent gap. We aim to create a home for anyone seeking a meaningful future in cybersecurity and look for candidates across industries to join us in soulful work. More at .
**_Role Overview:_**
We are seeking a talented Software Engineer with the knowledge in Java/Python and JavaScript to join our dynamic team. As a Software Engineer, you will play a key role in the design, development, and implementation of our software solutions, contributing to the full software development lifecycle.
**About the Role:**
+ Design, develop, and maintain robust, scalable, and high-performance software applications primarily using Java.
+ Collaborate closely with cross-functional teams including product management, design, and QA to deliver high-quality software solutions.
+ Write clean, maintainable, and efficient code, adhering to coding standards and best practices.
+ Conduct code reviews, providing constructive feedback to team members and ensuring code quality and consistency.
+ Identify and address technical debt and refactor existing codebase as necessary to improve system maintainability and scalability.
+ Stay updated on emerging technologies and industry trends, and evaluate their potential for adoption within the organization.
**About You:**
+ 6+ Years of experience in Java Development.
+ Should have experience in Software cloud technologies.
+ Should have good knowledge of Spring Frameworks , Gradle, Maven, JUnit.
+ Excellent analytical and problem-solving skills.
+ Strong knowledge of AWS cloud technologies.
+ Familiarity with security best practices for cloud development.
**_Company Benefits and Perks:_**
We believe that the best solutions are developed by teams who embrace each other's unique experiences, skills, and abilities. We work hard to create a dynamic workforce where we encourage everyone to bring their authentic selves to work every day. We offer a variety of social programs, flexible work hours and family-friendly benefits to all of our employees.
+ Retirement Plans
+ Medical, Dental and Vision Coverage
+ Paid Time Off
+ Paid Parental Leave
+ Support for Community Involvement
We're serious about our commitment to a workplace where everyone can thrive and contribute to our industry-leading products and customer support, which is why we prohibit discrimination and harassment based on race, color, religion, gender, national origin, age, disability, veteran status, marital status, pregnancy, gender expression or identity, sexual orientation or any other legally protected status.

**_Job Title:_**
Sr Software Development Engineer
**About** **Trellix:**
**Trellix, the trusted CISO ally, is redefining the future of cybersecurity and soulful work.** Our comprehensive, GenAI-powered platform helps organizations confronted by today's most advanced threats gain confidence in the protection and resilience of their operations. Along with an extensive partner ecosystem, we accelerate technology innovation through artificial intelligence, automation, and analytics to empower over 53,000 customers with responsibly architected security solutions.
We also recognize the importance of closing the 4-million-person cybersecurity talent gap. We aim to create a home for anyone seeking a meaningful future in cybersecurity and look for candidates across industries to join us in soulful work. More at .
**_Role Overview:_**
We are looking for a passionate and experienced Senior Software Development Engineer to join our dynamic and fast-paced team. This role offers an opportunity to shape large-scale, automated test environments that directly impact Trellix's product quality and speed of delivery while engineering solutions for complex business challenges.
You'll be at the center of building services that support automated deployment and validation of our products. Your solutions will streamline our CI/CD pipeline and ensure our testing environments scale across tools, Trellix products, and platforms.
**Job Description:**
**About the Role:**
+ Design, develop, and maintain robust, scalable, and high-performance software applications primarily using Groovy and C#.
+ Collaborate with global cross-functional teams across time zones to deliver impactful solutions that meet evolving product and QA needs.
+ Participate in architecture discussions and technical design reviews to improve system performance, reliability, and scalability.
+ Write efficient, maintainable code and unit tests that adhere to engineering best practices.
+ Create modular components with well defined APIs to enable flexible and easy integration into existing development infrastructures and workflows
+ Champion Agile best practices and contribute to continuous improvement in the software development lifecycle.
**Senior Software-specific:**
+ Identify and address technical debt and refactor existing codebase as necessary to improve system maintainability and scalability.
+ Conduct thorough code reviews, provide feedback, and help raise the quality bar for the entire team.
+ Proactively research and evaluate emerging technologies that can be leveraged for future development.
+ Influence architectural direction and technical strategy.
+ Drive open and effective communication across teams, helping guide decisions and technical alignment.
**About You:**
+ You have 6+ years of experience with a BS/BE in Computer Science, Computer Engineering or related field.
+ Proficiency in Java, C#, and C++, with strong fundamentals in object-oriented design and design patterns.
+ Solid experience with VMware vSphere for managing and provisioning virtual infrastructure.
+ Experience with relational databases such as SQL Server or similar.
+ Familiarity with scripting languages such as PowerShell, Bash, or equivalent.
+ Working knowledge of Windows, Linux and Mac OS.
+ Ability to work both independently and collaboratively in a fast-paced environment.
+ Excellent problem solving and troubleshooting skills.
+ Working knowledge of cloud technologies, especially AWS and/or Google Cloud Platform (GCP).
+ Experience in Agile software development practices and Github for source control and collaboration.
+ Ability to collaborate and work with multiple teams across different time-zones.
+ Strong communication skills - able to articulate technical concepts to non-technical stakeholders and influence decisions.
+ Experience building enterprise-grade, distributed systems with a focus on performance, reliability, and scalability.
**_Company Benefits and Perks:_**
We believe that the best solutions are developed by teams who embrace each other's unique experiences, skills, and abilities. We work hard to create a dynamic workforce where we encourage everyone to bring their authentic selves to work every day. We offer a variety of social programs, flexible work hours and family-friendly benefits to all of our employees.
+ Retirement Plans
+ Medical, Dental and Vision Coverage
+ Paid Time Off
+ Paid Parental Leave
+ Support for Community Involvement
We're serious about our commitment to a workplace where everyone can thrive and contribute to our industry-leading products and customer support, which is why we prohibit discrimination and harassment based on race, color, religion, gender, national origin, age, disability, veteran status, marital status, pregnancy, gender expression or identity, sexual orientation or any other legally protected status.

**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**
Principal Software Development Architect
Job Title
Principal Software Development Architect
Overview
As a Principal Software Architect for Mastercard Commercial Solutions, you will play a critical role in shaping the architecture of a global B2B payments platform designed for scale, security, and performance. This platform supports high-throughput, mission-critical financial transactions and is central to Mastercard's vision of transforming how businesses manage payments.
You will lead the design of secure, resilient, and scalable systems, mentor engineering teams, and collaborate closely with product and cross-functional stakeholders to bring complex solutions from concept to production. This role demands deep technical expertise, a strong sense of ownership, and a bias for action.
___
Role Responsibilities
- Define and drive high-level architecture and design for core platform capabilities with a focus on security, resiliency, and high throughput.
- Lead the creation of technical blueprints, service contracts, and architectural patterns that guide implementation across teams.
- Collaborate with product managers and business stakeholders to translate requirements into scalable, secure, and performant solutions.
- Provide technical leadership and mentorship, guiding teams through design elaboration, implementation, and delivery.
- Ensure alignment with Mastercard's architectural standards and best practices, including 12-factor app principles and cloud-native design.
- Conduct design and code reviews to ensure architectural integrity and adherence to non-functional requirements.
- Partner with other architects and engineering leaders to evolve the platform's architecture and technical roadmap.
- Champion a culture of high accountability, ownership, and continuous improvement.
___
All About You
- Proven experience designing and delivering high-volume, secure, and resilient systems in the fintech or payments domain.
- Deep expertise in microservices architecture, distributed systems, and cloud-native technologies (e.g., Kubernetes, PCF, AWS/GCP/Azure).
- Strong understanding of non-functional requirements such as performance, scalability, observability, and fault tolerance.
- Hands-on experience with Java, Spring Boot, messaging systems (Kafka, RabbitMQ), and relational databases (Oracle, PostgreSQL).
- Familiarity with front-end technologies and frameworks (e.g., Angular) is a plus.
- Experience working in Agile environments, with a strong focus on iterative delivery and continuous feedback.
- Excellent communication and collaboration skills, with the ability to influence across technical and non-technical audiences.
- Passion for mentoring and growing engineering talent, and for building a strong engineering culture.
- A proactive mindset with a bias for action and a commitment to delivering high-quality solutions.
**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.

**Introduction**
Apptio, an IBM Company, is seeking a Senior Software Development Engineer to join our growing team building innovative, AI-driven solutions across the FinOps and Technology Business Management (TBM) product suite. In this role, you will work closely with data scientists to design, develop, and scale the engineering infrastructure required to bring machine learning and generative AI capabilities into production across our SaaS platforms.
You will play a key role in shaping the future of intelligent product features-enabling smarter automation, deeper analytics, and better business outcomes for our enterprise customers.
**Your role and responsibilities**
* Collaborate with data scientists to productionize AI/ML models, including orchestration, scaling, monitoring, and API integration
* Design and build high-quality, maintainable software systems that deliver AI/ML-powered features within Apptio's product suite
* Develop secure and scalable microservices, data pipelines, and back-end components in a cloud-native environment
* Work closely with product managers and UX designers to translate business needs into technical solutions
* Contribute to architectural decisions and code reviews while mentoring junior engineers
* Drive performance, scalability, and reliability best practices across AI-integrated features
* Stay up-to-date with emerging trends in software engineering, cloud technologies, and MLOps
**Required technical and professional expertise**
* Demonstrated experience in software development, ideally with experience delivering SaaS or data-driven products
* Proficiency in one or more modern languages such as Java, Python, Go, or TypeScript
* Experience building and deploying RESTful APIs, working with containerized environments (e.g., Docker, Kubernetes)
* Solid understanding of cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines
* Demonstrated experience collaborating with data science or ML teams to operationalize models
* Strong knowledge of distributed systems, performance optimization, and fault-tolerant design
* Excellent communication skills and a collaborative, team-first mindset
**Preferred technical and professional experience**
* Experience with MLOps tools and practices (e.g., MLflow, SageMaker, Airflow, KubeFlow)
* Familiarity with FinOps, IT financial management, or Apptio products (ApptioOne, Cloudability, Targetprocess)
* Exposure to generative AI or LLM-based solutions
* Knowledge of observability practices and tools for AI/ML-powered services
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

**Introduction**
At IBM Cloudability, we deliver a best-in-class FinOps platform that helps customers enable their IT, finance, and DevOps teams to work together to optimize cloud resources for speed, cost, and quality. We are seeking a highly skilled and experienced Senior Software Development Engineer to join our dynamic and growing team. The ideal candidate will be a seasoned software developer with a passion for technology, problem-solving, and driving software development processes. You will get to lead technical initiatives, and mentor junior engineers while delivering high-quality, scalable, and maintainable software solutions.
**Your role and responsibilities**
Develop cloud-native services to address both new and ongoing business challenges and meet customer needs.
* Own end-to-end feature development, from concept through design to production, collaborating with product managers and engineers to deliver scalable, high-quality solutions.
* Drive the adoption of best practices for software development, including testing, code reviews, and continuous integration, to ensure the delivery of high-quality, reliable software.
* Identify and address performance bottlenecks, ensuring that systems scale efficiently and perform well under varying loads.
* Mentor and provide technical guidance to junior engineers.
**Required technical and professional expertise**
* Bachelor's degree in computer science, a related field, or relevant work experience.
* 5+ years of professional software development experience in designing and building enterprise-level applications
* Extensive professional knowledge, experience, and understanding of at least one modern programming language, such Java, Scala, and Go.
* Extensive experience with software engineering principles, including data structures, algorithms, and design patterns.
* Hands-on experience with cloud technologies (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
* Excellent communication skills, both written and verbal.
**Preferred technical and professional experience**
* Master's degree in computer science or related field.
* Experience in modern software concepts such as Infrastructure as Code (e.g., Terraform)
* Experienced with modern API design and implementations, preferably in Java or Golang.
* Experienced in Cloud infrastructure's cost management or FinOps.
* Experience using monitoring tools like Splunk, Datadog, Prometheus, Grafana
* Exceptional customer focus, ownership, and drive.
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.