26 to 44 of 44 Java Jobs in County Antrim

Software Engineer - (Java) Belfast Hybrid £50,000 - £70,000 + Bonus + Benefits The Company Join an award-winning FinTech that's redefining how global financial markets communicate, collaborate, and trade. Over the past decade, they've built one of the most trusted financial technology solutions that is being used by some of the biggest banks in the world. They … a cross-functional engineering team focused on building high-performance back-end systems that power real-time messaging, voice, and data analytics. You'll design, develop, and maintain scalable Java microservices, collaborating closely with multi-disciplined teams around the globe. What You'll Be Doing Designing, developing, and maintaining scalable Java-based back-end services. Building cloud-native applications using … to deliver new features. Debugging, optimising, and improving system performance and reliability. Contributing to code reviews, architecture discussions, and continuous improvement initiatives. What You'll Need Strong experience with Java and Spring Boot . Good understanding of SQL and NoSQL databases (PostgreSQL, MongoDB, etc.). Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Git and modern More ❯

Software Engineer – (Java) Belfast | Hybrid £50,000 – £70,000 + Bonus + Benefits The Company Join an award-winning FinTech that’s redefining how global financial markets communicate, collaborate, and trade. Over the past decade, they’ve built one of the most trusted financial technology solutions that is being used by some of the biggest banks in the world. They … a cross-functional engineering team focused on building high-performance back-end systems that power real-time messaging, voice, and data analytics. You’ll design, develop, and maintain scalable Java microservices, collaborating closely with multi-disciplined teams around the globe. What You’ll Be Doing Designing, developing, and maintaining scalable Java-based back-end services. Building cloud-native applications using … to deliver new features. Debugging, optimising, and improving system performance and reliability. Contributing to code reviews, architecture discussions, and continuous improvement initiatives. What You’ll Need Strong experience with Java and Spring Boot . Good understanding of SQL and NoSQL databases (PostgreSQL, MongoDB, etc.). Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Git and modern More ❯

Software Engineer – (Java) Belfast | Hybrid £50,000 – £70,000 + Bonus + Benefits The Company Join an award-winning FinTech that’s redefining how global financial markets communicate, collaborate, and trade. Over the past decade, they’ve built one of the most trusted financial technology solutions that is being used by some of the biggest banks in the world. They … a cross-functional engineering team focused on building high-performance back-end systems that power real-time messaging, voice, and data analytics. You’ll design, develop, and maintain scalable Java microservices, collaborating closely with multi-disciplined teams around the globe. What You’ll Be Doing Designing, developing, and maintaining scalable Java-based back-end services. Building cloud-native applications using … to deliver new features. Debugging, optimising, and improving system performance and reliability. Contributing to code reviews, architecture discussions, and continuous improvement initiatives. What You’ll Need Strong experience with Java and Spring Boot . Good understanding of SQL and NoSQL databases (PostgreSQL, MongoDB, etc.). Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Git and modern More ❯

Software Engineer (Java) Belfast Hybrid £50,000 £70,000 + Bonus + Benefits The Company Join an award-winning FinTech that s redefining how global financial markets communicate, collaborate, and trade. Over the past decade, they ve built one of the most trusted financial technology solutions that is being used by some of the biggest banks in the … a cross-functional engineering team focused on building high-performance back-end systems that power real-time messaging, voice, and data analytics. You ll design, develop, and maintain scalable Java microservices, collaborating closely with multi-disciplined teams around the globe. What You ll Be Doing Designing, developing, and maintaining scalable Java-based back-end services. Building cloud-native applications using … to deliver new features. Debugging, optimising, and improving system performance and reliability. Contributing to code reviews, architecture discussions, and continuous improvement initiatives. What You ll Need Strong experience with Java and Spring Boot . Good understanding of SQL and NoSQL databases (PostgreSQL, MongoDB, etc.). Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Git and modern More ❯

software solutions for both internal and external stakeholders across global financial and commodities markets. This is an ideal position for an experienced engineer with strong proficiency in C# or Java, a passion for quality and testing, and a desire to be part of a modern, forward-thinking development culture. The Opportunity As a Senior Engineer, you will join a high … risks and blockers early to minimise delivery delays. Essential Skills & Experience: Degree in Computer Science or relevant industry experience. Proven software development experience with C# .NET and/or Java . Solid understanding of secure coding practices and API architecture . Strong focus on software testing and quality assurance . Experience with git-based source control and CI/CD More ❯

data synchronisation layer that will underpin a planned trading platform launch in 2026. The Role: They are forming the first core engineering pod in Belfast starting with a Senior Java Developer who will define technical direction and engineering standards, followed by two mid-level developers. This pod will be responsible for designing and implementing a high-performance exchange connector layer … high-quality solutions. Contribute to software design standards, code quality practices, and architectural decisions as the hub scales. Ideal Candidate Profile (Initial Senior Developer) Strong back-end development experience Java preferred for the senior role. Mid-level hires may come from other back-end language backgrounds if they can learn Java quickly. Demonstrated experience tuning and optimising performance on the More ❯

data synchronisation layer that will underpin a planned trading platform launch in 2026. The Role: They are forming the first core engineering pod in Belfast starting with a Senior Java Developer who will define technical direction and engineering standards, followed by two mid-level developers. This pod will be responsible for designing and implementing a high-performance exchange connector layer … high-quality solutions. Contribute to software design standards, code quality practices, and architectural decisions as the hub scales. Ideal Candidate Profile (Initial Senior Developer) Strong back-end development experience Java preferred for the senior role. Mid-level hires may come from other back-end language backgrounds if they can learn Java quickly. Demonstrated experience tuning and optimising performance on the More ❯

data synchronisation layer that will underpin a planned trading platform launch in 2026. The Role: They are forming the first core engineering pod in Belfast starting with a Senior Java Developer who will define technical direction and engineering standards, followed by two mid-level developers. This pod will be responsible for designing and implementing a high-performance exchange connector layer … high-quality solutions. Contribute to software design standards, code quality practices, and architectural decisions as the hub scales. Ideal Candidate Profile (Initial Senior Developer) Strong back-end development experience Java preferred for the senior role. Mid-level hires may come from other back-end language backgrounds if they can learn Java quickly. Demonstrated experience tuning and optimising performance on the More ❯

Java Engineer 1st Floor, Centre House, Chichester Street, Belfast, County Antrim, BT1 4JR, United Kingdom, Belfast, Full-time Company Description We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary experts combine innovative thinking and breakthrough technologies to progress further, faster. Our More ❯

team shaping the future of digital agriculture by developing cutting-edge digital solutions that make a real difference to customers. We are looking for full-stack engineers coming from Java/Angular background where you will: Develop & Improve Features - Design and build solutions that make a real impact for users. Take Ownership - Drive the full development lifecycle, delivering clean, maintainable … Strong focus on quality, reproducibility, and delivering reliable, maintainable solutions. Collaborative mindset with excellent problem-solving skills. Good communication skills in English, both written and spoken. Technology Stack Backend: Java, Spring Framework, PostgreSQL Frontend: TypeScript, Angular DevOps & Tools: Docker, Azure DevOps, Git, Jenkins, SonarQube You'll be joining at an exciting time, with an ambitious roadmap and plenty of innovation More ❯

team shaping the future of digital agriculture by developing cutting-edge digital solutions that make a real difference to customers. We are looking for full-stack engineers coming from Java/Angular background where you will: Develop & Improve Features - Design and build solutions that make a real impact for users. Take Ownership - Drive the full development lifecycle, delivering clean, maintainable … Strong focus on quality, reproducibility, and delivering reliable, maintainable solutions. Collaborative mindset with excellent problem-solving skills. Good communication skills in English, both written and spoken. Technology Stack Backend: Java, Spring Framework, PostgreSQL Frontend: TypeScript, Angular DevOps & Tools: Docker, Azure DevOps, Git, Jenkins, SonarQube You’ll be joining at an exciting time, with an ambitious roadmap and plenty of innovation More ❯

team shaping the future of digital agriculture by developing cutting-edge digital solutions that make a real difference to customers. We are looking for full-stack engineers coming from Java/Angular background where you will: Develop & Improve Features - Design and build solutions that make a real impact for users. Take Ownership - Drive the full development lifecycle, delivering clean, maintainable … Strong focus on quality, reproducibility, and delivering reliable, maintainable solutions. Collaborative mindset with excellent problem-solving skills. Good communication skills in English, both written and spoken. Technology Stack Backend: Java, Spring Framework, PostgreSQL Frontend: TypeScript, Angular DevOps & Tools: Docker, Azure DevOps, Git, Jenkins, SonarQube You’ll be joining at an exciting time, with an ambitious roadmap and plenty of innovation More ❯

Senior Backend Engineer - Golang/Java Belfast, Northern Ireland Hybrid Schedule (M/F remote, T/W/TH in-office) If you enjoy working in a collaborative environment, learning new technologies, mentoring others, and developing software that shapes the future of audience targeting, we'd love to meet you. In this Backend Engineer role, you'll help design … or other cloud platforms Familiarity with SQL and NoSQL data stores Implementing caching systems as part of a solution Mentoring teammates is a plus *Our Current tech stack* Golang, Java ECS, Fargate, Docker, ALB, HAProxy RDS, MariaDB, DocumentDB, Postgres, ScyllaDB Redis, Memcache Kafka, SNS, SQS Terraform, Github Actions, Jenkins Comprehensive Perks And Benefits Holiday Breaks and Quarterly Wellness Days Equity More ❯

Overview Engage in Greenfield Projects Daily Technologies: AWS Angular Java React ASP.NET NodeJS Cloud C# Support JavaScript More: We are a company that has recently experienced unparalleled growth without redundancies, and we offer a supportive environment for engineers to grow and contribute. Years of Post-graduate Engineering Experience Ability and desire to work with various technologies across multiple projects, including … Java, .NET, React, Angular, Node.js, and AWS Proven experience of working in a small team Excellent communication skills Responsibilities: Write clean code More ❯

engineering best practices across Agile delivery, CI/CD pipelines, and release management. Support and mentor engineers - fostering a culture of ownership and accountability. Provide technical leadership and input (Java, Python, React) without being hands-on daily. Champion continuous improvement and scalable product delivery. Ideal Profile Experience as a software engineering Manager or Team Lead ready to step up - Proven … software teams Strong cloud/SaaS background with solid technical grounding - previously been a software developer with strong hands on technical awareness. Desirable - previous experience in their tech Stack: Java | Python | React | AWS Collaborative, process-oriented, and motivated to mature engineering practices Experience in CI/CD pipeline tooling and Microservices What's in it for you Opportunity to manage More ❯

paths from legacy to modern architectures, integrating GenAI accelerators and helping deliver tangible business value. Design modernization paths from legacy systems (COBOL, z/OS, etc.) to modern stacks (Java, MSA, cloud). Lead effort estimation, tool strategy selection, and transformation approach definition. 8+ years in enterprise application architecture, with at least 3 years in modernization. Proven ability to assess … legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Java, Python, C# More ❯

business value. Responsibilities: Collaborate on pre-sales engagements: assessments, proposals, orals, and business case creation. Design modernization paths from legacy systems (COBOL, z/OS, etc.) to modern stacks (Java, MSA, cloud). Lead effort estimation, tool strategy selection, and transformation approach definition. Provide architectural oversight during execution to ensure value realization. Participate in tooling evaluations and PoCs involving GenAI … architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and code conversion. Strong client communication, technical documentation, and stakeholder alignment skills. Nice-to-Have Skills Description: Java, Python More ❯

business value. Responsibilities: Collaborate on pre-sales engagements: assessments, proposals, orals, and business case creation. Design modernization paths from legacy systems (COBOL, z/OS, etc.) to modern stacks (Java, MSA, cloud). Lead effort estimation, tool strategy selection, and transformation approach definition. Provide architectural oversight during execution to ensure value realization. Participate in tooling evaluations and PoCs involving GenAI … architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and code conversion. Strong client communication, technical documentation, and stakeholder alignment skills. Nice-to-Have Skills Description: Java, Python More ❯

business value. Responsibilities: Collaborate on pre-sales engagements: assessments, proposals, orals, and business case creation. Design modernization paths from legacy systems (COBOL, z/OS, etc.) to modern stacks (Java, MSA, cloud). Lead effort estimation, tool strategy selection, and transformation approach definition. Provide architectural oversight during execution to ensure value realization. Participate in tooling evaluations and PoCs involving GenAI … architecture, with at least 3 years in modernization. Proven ability to assess legacy estates and define future-state architectures. Proficiency in mainframe tech (COBOL, DB2, CICS) and modern stacks (Java, Spring, microservices). Exposure to GenAI use cases in application engineering and code conversion. Strong client communication, technical documentation, and stakeholder alignment skills. Nice-to-Have Skills Description: Java, Python More ❯