267 Java Software Developer jobs in Ireland
Senior Java Software Developer

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**What You'll Do:**
+ Design, implement and maintain Java-based applications that can be high-volume and low-latency.
+ Contribute to all stages of software development lifecycle.
+ Analyse user requirements to define business objectives.
+ Envisioning system features and functionality.
+ Develop and test software.
+ Identify and resolve any technical issues arising.
+ Create detailed design documentation.
+ Propose changes to current Java infrastructure.
+ Develop technical designs for application development.
+ Write well designed, testable code.
+ Conducting software analysis, programming, testing, and debugging.
+ Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.
**What We're Looking For:**
+ Bachelor's Degree preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience.
+ 7 years of experience with proven hands-on Software Development experience with agile methodology
+ Proven working experience in Java development
+ Hands on experience in designing and developing applications using J2EE platforms
+ Object Oriented analysis and design using common design patterns.
+ Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
+ Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
+ Proven working experience in the J2EE, SpringBoot, ReactJS, Websphere technologies
+ Proven working experience in AWS or other cloud provider
+ Experience in Kubernetes would be an added advantage.
+ Experience with test-driven development
**_Hertz is an equal opportunity employer, all applicants must have the legal right to work in Ireland (Valid EU Passport / Relevant Visa)._**
**What You'll Get:**
+ Corporate discount on standard Hertz Rental in Corporate countries.
+ Hybrid/flexible working arrangements
+ 22 days holidays on hire rising to 27 days with service.
+ Occupational Pension Scheme with up to 5% company matched contribution.
+ Life Cover payable at 4 times base salary.
+ Profit Share Scheme
+ Tuition support plus access to compressive online learning platform
+ 10 days paid study leave & paid exam leave where exams fall during work hours.
+ Income protection for long term illness
+ Professional membership fees paid in full annually where membership relates directly to role.
+ Bike to Work & Travel Pass schemes.
+ Free onsite gym with personal training available as well as daily fitness classes
+ Employee Assistance Programme for employees and family
+ Onsite Occupational Health support
+ Discounted Microsoft at Home plan
+ Christmas savings scheme
Senior Java Software Developer

Posted today
Job Viewed
Job Description
**What You'll Do:**
+ Design, implement and maintain Java-based applications that can be high-volume and low-latency.
+ Contribute to all stages of software development lifecycle.
+ Analyse user requirements to define business objectives.
+ Envisioning system features and functionality.
+ Develop and test software.
+ Identify and resolve any technical issues arising.
+ Create detailed design documentation.
+ Propose changes to current Java infrastructure.
+ Develop technical designs for application development.
+ Write well designed, testable code.
+ Conducting software analysis, programming, testing, and debugging.
+ Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.
**What We're Looking For:**
+ Bachelor's Degree preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience.
+ 7 years of experience with proven hands-on Software Development experience with agile methodology
+ Proven working experience in Java development
+ Hands on experience in designing and developing applications using J2EE platforms
+ Object Oriented analysis and design using common design patterns.
+ Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
+ Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
+ Proven working experience in the J2EE, SpringBoot, ReactJS, Websphere technologies
+ Proven working experience in AWS or other cloud provider
+ Experience in Kubernetes would be an added advantage.
+ Experience with test-driven development
**_Hertz is an equal opportunity employer, all applicants must have the legal right to work in Ireland (Valid EU Passport / Relevant Visa)._**
**What You'll Get:**
+ Corporate discount on standard Hertz Rental in Corporate countries.
+ Hybrid/flexible working arrangements
+ 22 days holidays on hire rising to 27 days with service.
+ Occupational Pension Scheme with up to 5% company matched contribution.
+ Life Cover payable at 4 times base salary.
+ Profit Share Scheme
+ Tuition support plus access to compressive online learning platform
+ 10 days paid study leave & paid exam leave where exams fall during work hours.
+ Income protection for long term illness
+ Professional membership fees paid in full annually where membership relates directly to role.
+ Bike to Work & Travel Pass schemes.
+ Free onsite gym with personal training available as well as daily fitness classes
+ Employee Assistance Programme for employees and family
+ Onsite Occupational Health support
+ Discounted Microsoft at Home plan
+ Christmas savings scheme
Senior Java Software Developer
Posted today
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Job Description
Senior java software developer
Posted today
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Job Description
This is an exciting opportunity to work on enterprise-level applications within a collaborative, Agile environment.
Key Responsibilities Design, develop, enhance, and maintain robust software applications.
Lead code reviews and ensure adherence to best practices and standards.
Collaborate with cross-functional teams to deliver scalable and secure solutions.
Drive CI/CD and deployment activities in alignment with Dev Ops culture.
Provide technical direction and system architecture for key initiatives.
Support Agile ceremonies and contribute to continuous improvement.
Mentor junior developers and lead large development teams.
Required Skills & Experience 5+ years of hands-on software development experience.
Strong proficiency in Java, Spring Framework, and Python.
Experience with Kafka, Mulesoft, and cloud-native integrations.
Deep understanding of CI/CD pipelines, Dev Ops practices, and deployment automation.
Familiarity with Agile methodologies (Scrum, Lean Agile); Scrum Master Certification is a plus.
Experience with Jira and modern development tools.
Proven ability to design and implement significant software components.
Strong grasp of enterprise architecture and governance standards, especially in regulated environments.
If you are interested in this role, click 'apply' to send an updated copy of your CV to Honey Rathoreor email for more details.
Please note: We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role.
When we receive your application for this role, we will contact you to advise you of our process for other similar positions.
Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent.
We look forward to working with you.
Senior Software Developer (Java Tooling)

Posted today
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Job Description
A career in IBM Software means you'll be part of a team that transforms our customer's 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.
We are seeking a skilled back-end developer to join our IBM Software team. As part of our team, you will be responsible for developing and maintaining high-quality software products, working with a variety of technologies and programming languages.
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**
As a senior developer on the Java Tools team, you will focus on evolving Java Development Tools in Eclipse and ensuring modern IDE compatibility. You will contribute to critical components like Eclipse JDT, JDT-LS, and VS Code Java, directly impacting the productivity of developers using Red Hat OpenShift Dev Spaces and other enterprise tooling environments. This includes:
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Enhancing Eclipse Java Development Tools (JDT) with modern compiler support, specifically javac support
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Contributing to cross-project efforts across the Eclipse IDE ecosystem, working with interdependent components such as Eclipse Platform and various JDT sub-projects (Core, Debug, etc.)
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Improving the Java Development Tools Language Server (JDT-LS) which powers modern Java editing experiences, including in Visual Studio Code
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Supporting key partnerships, including collaboration with Microsoft on VS Code Java and maintaining continuity amid shifting engineering focus
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Troubleshooting, testing, and enhancing the developer tooling experience for cloud-based and containerized developer environments like Dev Spaces
**Required technical and professional expertise**
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Deep experience with Java development
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Expertise with Eclipse JDT, including modifying or extending core components like the compiler, AST, or refactoring tools
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Familiarity with Language Server Protocol (LSP) and experience contributing to or maintaining JDT-LS.
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Ability to navigate and contribute across multiple Eclipse projects, understanding the impact of changes across platform and IDE components
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Strong debugging, problem-solving, and collaborative skills - especially in large, distributed open-source or semi-open-source projects
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Experience with developing Visual Studio Code extensions
**Preferred technical and professional experience**
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Background in developer experience or developer productivity tooling
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A strong understanding of Java compiler internals and Java language evolution
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Contributions to open-source Java tooling projects (e.g., Eclipse, VS Code Java, JDT-LS, Quarkus tooling)
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.
Software Developer Java/React , Officer
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Software developer java/react, officer
Posted today
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This role will have a broad range of responsibilities within IAM.
What you will be responsible for As a full stack developer, you will: Have proven technology expertise in areas including Systems Engineering and full Software development life cycle (analysis, design, and execution).
Technology expertise in one of the core programming languages (Java, Python, etc) Designing, implementing, and managing databases (My SQL, Postgre SQL, Mongo DB).
Creating user interfaces using languages like HTML, CSS, and Java Script, along with frameworks like React, Angular or Vue Developing and deploying applications within cloud environments ( AWS, Azure, Google Cloud), utilizing cloud services for storage, compute, and other functionalities Good understanding in cloud-native data warehouses using Databricks, Snowflake, and Informatica Strong analytical and problem-solving skills.
Write unit and integration tests for code developed Participate in design and code reviews Collaborate with cross functional teams and communicate dependencies, risk What we value These skills will help you succeed in this role Strong communication skills to promote critical wins and new behaviors throughout the organization proven ability to manage multiple projects simultaneously Ability to work independently and as part of a small, focused, global scrum team Self-starter with a keen sense of ownership and commitment to work, and passion for delivering results.
Are you the right candidate? Yes! We truly believe in the power that comes from the diverse backgrounds and experiences our employees bring with them.
Although each vacancy details what we are looking for, we don't necessarily need you to fulfil all of them when applying.
If you like change and innovation, seek to see the bigger picture, make data driven decisions and are a good team player, you could be a great fit.
About State Street What we do.
State Street is one of the largest custodian banks, asset managers and asset intelligence companies in the world.
From technology to product innovation, we're making our mark on the financial services industry.
For more than two centuries, we've been helping our clients safeguard and steward the investments of millions of people.
We provide investment servicing, data & analytics, investment research & trading and investment management to institutional clients.
Work, Live and Grow.
We make all efforts to create a great work environment.
Our benefits packages are competitive and comprehensive.
Details vary by location, but you may expect generous medical care, insurance and savings plans, among other perks.
You'll have access to flexible Work Programs to help you match your needs.
And our wealth of development programs and educational support will help you reach your full potential.
Inclusion, Diversity and Social Responsibility.
We truly believe our employees' diverse backgrounds, experiences and perspectives are a powerful contributor to creating an inclusive environment where everyone can thrive and reach their maximum potential while adding value to both our organization and our clients.
We warmly welcome candidates of diverse origin, background, ability, age, sexual orientation, gender identity and personality.
Another fundamental value at State Street is active engagement with our communities around the world, both as a partner and a leader.
You will have tools to help balance your professional and personal life, paid volunteer days, matching gift programs and access to employee networks that help you stay connected to what matters to you.
State Street is an equal opportunity and affirmative action employer.
To be considered for this role you will be redirected to and must complete the application process on our careers page.
To start the process click the Continue to Application or Login/Register to apply button below.
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Backend Developer

Posted today
Job Viewed
Job Description
A career in IBM Software means you'll be part of a team that transforms our customer's 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.
We are seeking a skilled back-end developer to join our IBM Software team. As part of our team, you will be responsible for developing and maintaining high-quality software products, working with a variety of technologies and programming languages.
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**
As a key member of our dynamic team, you will play a vital role in crafting exceptional software experiences. Your responsibilities will encompass the design and implementation of innovative features, fine-tuning and sustaining existing code for optimal performance, and guaranteeing top-notch quality through rigorous testing and debugging. Collaboration is at the heart of what we do, and you'll be working closely with fellow developers, designers, and product managers to ensure our software aligns seamlessly with user expectations.
Primary Job Responsibilities:
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Work on open source (1) Apache KIE projects /Drools, Kogito/ in community
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Participate in design discussions
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Promote solutions that foster positive end user experience
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Develop mechanisms that provide as seamless an experience on OpenShift/Kubernetes as possible
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Provide feature tests and further our continuous integration efforts
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Create examples and quickstarts demonstrating how features can be used
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Support the Quality Assurance and Documentation teams
References
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1. technical and professional expertise**
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Ability to learn quickly and solve issues as they arise
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Ability to work within a distributed team and communicate effectively
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Advanced level experience with cloud technologies like Docker/Podman, Kubernetes, OpenShift, or alternatives
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Average Level Experience with Java or Go language programming, shell scripting, and GIT tools
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Experience with the development of enterprise production applications
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Experience contributing to existing open source projects
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Good English communication skills, both written and verbal
**Preferred technical and professional experience**
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Experience with Open source community projects
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Experience with Quarkus
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User experience with any (1) Apache KIE projects
Experience with Scrum/Kanban agile methodologies
References
Visible links
1. 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.
Senior Backend Developer
Posted today
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Senior backend developer
Posted today
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Job Description
If you are keen to work in a dynamic and fast-paced, scale-up environment this opportunity will be of interest to you.
Senior Backend Developer (Python) - Essential Experience: 9+ years of hands-on experience in Python development.
6+ years developing Web Apps.
Solid experience using SQL/Postgre SQL.
Ability to lead discussions on the architecture and functionality of a range of products, working in a fast-paced, Agile environment.
Ideal additional experience in: AWS, Flask, Terraform, Pytest, Github Actions or similar Senior Python Developer (Python) - Key Skills: Python, Web Applications, AWS, SQL, Terraform, Flask Reperio Human Capital acts as an Employment Agency and an Employment Business.
Skills: Python Web Applications AWS SQL Terraform Flask Benefits: Work From Home