Senior Software Engineer Java jobs in Belfast

MCS Group

€75,000 - €75,000 /year

Requirements Must have: - Strong experience building full stack applications with TypeScript - Commercial experience with React - Backend experience with Node.js frameworks - Experience designing and working with GraphQL APIs - Hands-on experience with Google Cloud Platform (or similar cloud platfor

Ocho

€50,000 - €50,000 /year

Requirements Must have: - 3 years commercial software development experience - Experience building server-side systems in a .NET environment using C# - Experience designing and implementing scalable web services - Solid experience with relational databases such as SQL Server - Experience working wit

Ocho

€90,000 - €90,000 /year

Requirements Must have: - 7 years experience in backend or platform engineering - Strong experience with cloud platforms (AWS, GCP and/or Azure) - Proficiency in at least one backend language such as Java, Go, Python or C# - Hands-on experience building cloud-native, distributed systems - Strong kno

MCS Group

£60,000 - £75,000 /year

Senior AI Solutions Engineer Senior AI Solutions Engineer 📍 Belfast (Hybrid) 💼 Permanent This isn't a typical software engineering role. You'll be joining a fast-growing AI company where the focus is on solving real-world problems, not maintaining legacy systems. The work is hands-on, client-facin

Job: Senior Software Engineer Location: Belfast (Hybrid) Salary £55,000 - £70,000 Kura is delighted to be partnering with a locally based start-up for mid-level Software Engineers to join on their exciting scaling journey This is a high-growth, VC backed technology company redefining how individuals

MCS Group

£85,000 - £85,000 /year

MCS Group is proud to be partnering again with one of the UK and Ireland's most exciting technology companies in their search for a Lead Software Engineer. The company's product suite sits at the forefront of AI and this firm is truly in growth mode after a fantastic 2025. This is a truly unique opp

MCS Group

£90,000 - £90,000 /year

MCS Group has an exclusive opportunity for a Software Engineer Tech Lead to join a high-growth tech scale-up based in Belfast. This role would suit technologists from a variety of backgrounds; Team Leads, hands-on engineering leaders or even Principal Engineers who have had a taste of mentoring and

MCS Group

£70,000 - £95,000 /year

MCS are delighted to be partnering with this innovative tech organisation to build a high-performing engineering function. As they enter the next phase of growth, we're looking for a Principal Software Engineer with strong .NET and AWS/Azure expertise to lead development on key internal systems. Thi

MCS Group

£80,000 - £90,000 /year

MCS Group is working exclusively with a potential new entrant to Northern Ireland in their search for a Senior AI-Enabled Software Engineer. This will be a fully-remote, senior engineering role within a high-growth MedTech organisation. Small teams can now do big things. We're helping our client bui

Ocho

€50,000 - €50,000 /year

Requirements Must have: - 3 years experience in a Software Engineering role - Proven experience building and maintaining web applications using Ruby on Rails - Strong understanding of object-oriented design principles and MVC architecture - Experience designing and consuming RESTful APIs - Proficien

MCS Group

€90,000 - €90,000 /year

Requirements Must have: - Strong background in software engineering (Python preferred) - Ideally 6 years of experience building production-grade AI-powered applications - Confident working with LLMs, APIs, data systems, and modern deployment approaches - Able to engage non-technical stakeholders and

AMD

Requirements Must have: - Bachelors or Masters degree in Computer Engineering, Computer Science, Electrical Engineering, or a related discipline - Experience in embedded software development with a focus on C/C++ and Python - Strong experience in embedded Linux and modern software engineering best p

MCS Group

MCS Group are delighted to be partnering with an ambitious, product-led organisation building a brand new AI Centre of Excellence in Belfast. This is an opportunity to work on production-grade GenAI solutions that are actively deployed and delivering value. If you're a Python engineer who enjoys sol

MCS Group

£50,000 - £60,000 /year

MCS Group are thrilled to be partnered with a well-funded insurtech scale-up that has recently closed a major funding round and is entering an exciting new growth phase. Founded over a decade ago, the company has grown from early product innovation roots into a recognised player in the employee bene

MCS Group

£90,000 - £90,000 /year

MCS Group is seeking a Lead Software Engineer to join one of their fastest-growing clients. This is a truly unique role where you'll sit at the centre of a fast-moving, product-focused AI company, working directly with organisations operating at the sharpest end of complexity. As a lead engineer, yo

MCS Group

£55,000 - £80,000 /year

MCS Group is delighted to be partnering with a rapidly growing, award-winning SaaS organisation as they expand their engineering function. This is a fully remote opportunity to join a high-calibre team building a data-driven product used globally within a specialist, highly regulated industry. This

Ocho

€30,000 - €60,000 /year

Requirements Must have: - 7+ years experience in backend or platform engineering - Strong experience with cloud platforms (AWS, GCP and/or Azure) - Proficiency in at least one backend language such as Java, Go, Python or C# - Hands-on experience building cloud-native, distributed systems - Strong kn

Ocho

€30,000 - €60,000 /year

Requirements Must have: - 4+ years experience as a Software Engineer - Hands-on experience in product development, with an interest in moving into architecture/solutions roles - Strong understanding of APIs, client-server architectures, distributed systems, and cloud components (e.g., AWS) - Comfort

Job Req Id 26954519 Location(s) Belfast, Northern Ireland, United Kingdom Job Type Hybrid Posted Apr. 10, 2026 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

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 Engi