Top Java Developer Jobs in Belfast

As a Senior Software Engineer, you will oversee the development of complex features, mentor junior engineers, and collaborate across teams to ensure high-quality, secure products.

As a Staff Software Engineer, you will design core platform services and APIs, mentor junior engineers, and shape technical direction for scalable and reliable software solutions.

Design and deliver software solutions within an agile team, focusing on Java applications, system design, and continuous improvement of technology products.

You will develop software using Java on AWS, contribute to microservices development, and produce quality documentation, collaborating in a Scrum team.

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.

Join Olive Jar Digital as a Java Developer to design and maintain scalable backend services for digital transformation in the public sector.

The Senior Java Engineer will design complex systems, optimize performance, maintain code quality, and ensure application reliability. Responsibilities include translating requirements into applications and troubleshooting issues.

As a Senior Full Stack Engineer at Dotmatics, you will develop and maintain software solutions focusing on quality, scalability, and security, while collaborating with teams to implement best practices and solve customer issues.

As a Full Stack Engineer, you will develop and maintain software solutions, collaborate with teams, ensure code quality, and mentor other engineers.

The Senior Software Engineer will design and build AI coding tools, optimize codebases, and drive engineering best practices while shaping team culture.

As a Senior Software Engineer, you will design, develop, and maintain software systems primarily in Java, mentor engineers, and implement CI/CD pipelines.

Lead the design and development of payment integrations, ensuring systems are secure and scalable while providing technical leadership and managing multiple projects.

The Software Engineer develops platform services for transportation, focusing on architecture, design, and maintaining high-quality code while collaborating with global teams.

The role focuses on enhancing Elasticsearch's distributed systems, ensuring high performance and resilience while managing complex data indexing and coordination across nodes.

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

The Java Full Stack Developer will create full-stack solutions using technologies like Java, React, and SQL while mentoring others, delivering scalable solutions, and implementing automation and AI in development processes.

Develop high-quality software solutions using Java and associated frameworks. Participate in Agile Scrum process, apply TDD, and collaborate with stakeholders.

As a Software Backend Engineer at Zepz, you'll design and build scalable systems, enhance APIs, optimize performance, and lead technical initiatives.

The Full Stack Java Developer will design and implement a proprietary media product, collaborating across teams to develop scalable cloud-native applications with technologies like Java, Node.js, and React.

The Full Stack Java Developer will design and develop scalable cloud-native applications for streaming media, collaborating with cross-functional teams.

As a Senior Product Engineer at Secfix, you will design, build, and maintain backend systems, collaborating with product teams and mentoring junior engineers, while leveraging AI tools for development.

As a Senior Java Engineer at Zepz, you'll architect and expand payment solutions globally, build APIs, and optimize systems for remittance flows.