Java Software Developer jobs in Belfast

Synechron

A leading technology consulting firm is seeking a skilled C# Developer based in Belfast, Northern Ireland. This role requires over 10 years of experience in C# along with proficiency in Python or Java. The ideal candidate will have strong SQL skills and familiarity with financial systems, contributi

Ocho

A technology company located in Belfast is seeking a mid-level Software Engineer to join their collaborative platform engineering team. This role is pivotal in building and evolving cloud-native platforms utilized globally. Responsibilities include developing full-stack features, managing AWS infras

Overview Software Engineer - Java or Go - BelfastLocation: Belfast, United KingdomPosted 24 days agoSalary: £80,000 per yearRequirements We are looking for a backend engineer with at least 1 year of experience in Java or Go.You should have experience working with cloud platforms such as AWS, GCP, or

Citigroup Inc.

A leading financial services firm is seeking an experienced Lead Full Stack Developer to join their engineering team. The ideal candidate will have deep expertise in Java and ReactJS, and will manage the design and development of robust applications. Responsibilities include leading teams, optimizin

Principal / Staff Java Developer - (Cybersecurity) The Opportunity The Ocho Exclusive opportunity for a Principal Java Developer to play a foundational role in a greenfield backend team at a fast-scaling, cloud-first business. Joining a new backend function, with the chance to set the tone for engin

MCS Group is delighted to be exclusively working with a leading digital company to recruit a Full Stack Developer based in Belfast (hybrid working).My client was founded over 20 years ago with a vision to create a platform that works simply and effectively to deliver the very best experience that wo

Ocho People

Backend Software Engineers (Golang / Java) Hybrid Roles | Cloud Security | Northern Ireland We're proud to be working in partnership with a high-growth cloud security company that established its Northern Ireland engineering hub less than two years ago. Since launching locally, the team has grown to

Ocho People

Mid-Level Software Engineer (Java) Exciting new FDI About the Company: Our client is a global leader in digital asset innovation, building technology that bridges traditional finance and the emerging crypto economy. Their mission is to create trusted, high-performance systems that enable institution

A leading cybersecurity firm in Belfast is looking for a Software Engineer II to develop new features and ensure the security of customer solutions. The role focuses on building and maintaining services using Java and cloud technologies, delivering complex solutions, and collaborating with cross-fun

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Disc

Every member of Celerion is involved in making a distinctive contribution to the health and well‐being of people around the world. That's the sense of purpose shared by our employees. We are a performance‐driven drug research company, operating in robust and growing markets. We have an exciting futu

Join a team that's going places! Every member of Celerion is involved in making a distinctive contribution to the health and well-being of people around the world. That's the sense of purpose shared by our employees. We are a performance-driven drug research company, operating in robust and growing

MCS Group are delighted to be working with a top construction consultancy on an excellent opportunity for a Senior Quantity Surveyor to join their Belfast team. This role offers the chance to lead cost management services across high-value construction projects, while building strong client relation

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A performance-driven drug research company in Belfast is seeking a Data Programmer to develop and support clinical database programming activities. This full-time position offers a hybrid work arrangement within the UK. The ideal candidate will have a Bachelor's degree with programming experience an

Requirements Must have: - Strong commercial experience in software development (Java, Python, TypeScript, or JavaScript) - Experience with modern frameworks (e.g. React, Node.js/NestJS, Spring, etc.) - Solid understanding of APIs, microservices, and distributed systems - Experience working with SQL

Requirements Must have: - Hands-on Java or Python experience - Strong understanding of multithreading, concurrency, and microservices architecture - Experience working with distributed data technologies and streaming systems - Solid SQL and data modeling expertise - Exposure to cloud environments an

Requirements Must have: - 2 years of commercial software engineering experience (Java preferred; C++ also considered) - Solid grounding in computer science or related technical discipline - Bachelors or postgraduate degree from a well-regarded university - Experience building systems where reliabili

Requirements Must have: - 3-5 years experience in Ruby on Rails (or strong backend experience with willingness to cross-train from Python) - Solid commercial software engineering background - Comfortable owning features end-to-end and working in production environments - Interested in mentoring othe