Top Java Developer Jobs in Belfast

The Software Engineer II will develop new features, maintain existing services, and collaborate with teams to enhance customer security management using Java and Cloud technologies.

The Java Engineer will design and implement scalable solutions, utilizing Java and AWS, while collaborating with cross-functional teams and ensuring agile best practices.

Seeking a Software Engineer (Java) for developing complex, high-volume trade processing systems in the Fixed Income domain, ensuring quality and efficiency.

Join our Digital & Data team as a Java Engineer, utilizing Java and cloud technologies to design and deliver software solutions while collaborating with cross-functional teams.

Develop Java software solutions, applying object-oriented principles, utilizing cloud technologies like AWS, and collaborating with teams. Lead projects and problem-solve with clients.

The Java Engineer role involves developing complex software solutions primarily using Java, focusing on multi-threading and performance optimization while collaborating across teams.

As a Senior Software Engineer, you will develop and maintain the equity derivatives reference data platform, ensuring data quality and governance while mentoring junior developers.

As a Senior Java Developer, you'll lead software development using Java and AWS, collaborating in an Agile team, adhering to best practices, and creating maintainable solutions.

Train large language models to improve code quality by ranking, repairing, and refactoring code snippets while providing detailed explanations for feedback.

The role involves developing complex systems for financial trade processing, using Java and Spring, while offering project management and user support responsibilities.

The role involves training large language models to write production-grade code using Java, performing code reviews, refactoring, and providing detailed explanations for coding decisions.

The role involves writing high-quality back-end code in Java or Kotlin, contributing to architectural decisions, and automating SDLC processes. You will lead a small team, apply AI in projects, and ensure clear communication across distributed teams.

Develop and implement a proprietary streaming media product using Java and modern web technologies, collaborating with cross-functional teams and ensuring scalable solutions.

As a Senior Software Engineer, you'll develop high-quality software solutions, mentor junior members, apply best practices in design and build, and contribute to technical decisions in a collaborative environment.

Design and develop scalable applications and services, translating business requirements into technical solutions while ensuring code quality and performance. Collaborate within an Agile team, participate in code reviews, and mentor junior developers.

The Lead Software Engineer will manage teams to develop digital customer experiences, ensuring quality delivery and mentoring engineers, while promoting Agile practices and collaboration across squads.

The Senior Java Developer will develop and maintain applications for finance technology, ensure high-quality software production, support development processes, and collaborate with global teams to meet business needs.

Citi seeks a Senior Software Engineer (Java) to design and develop complex, high-performance systems for fixed income trade processing, utilizing Java and Spring technologies.

The role involves optimizing Elasticsearch for high performance in distributed systems, managing clustering coordination, and resolving complex issues.

The Principal Full-Stack Engineer will lead backend development with Java, guide React frontend architecture, mentor engineers, and integrate LLMs into applications.