76 to 100 of 112 Software Engineer Jobs in Belfast

новичков с Unity и из других индустрий. Команды разработки для нас - ядро компании, благодаря которому наши игры растут и развиваются уже 20 лет. Lead Software Engineer – драйвер технического развития продукта, который ведет и развивает команду с точки зрения архитектуры, качества, культуры разработки и инженерных практик. В каждом проекте More ❯

at our headquarters in the National Robotarium in Edinburgh—a world-leading hub for robotics, AI, and autonomous systems. This job is for a Software Engineer (Unity) to join our product development team, focused on building computer vision powered therapy solutions and gamified rehabilitation applications. This position will More ❯

Senior Software Developer UK Remote £80,000 - £95,000 + Insurance + Pension An excellent opportunity awaits an experienced software developer with strong .NET and React skills to join a leading software company in a role offering strong technical variety, ongoing development opportunities, and involvement in genuinely … interesting projects. This company builds innovative software and data management systems that support critical decision-making in sectors such as environmental monitoring, infrastructure, and energy. In this role you'll join as a senior member of the development team, taking a hands-on role in the full lifecycle of … or interest in scientific, environmental, or infrastructure-related domains is a bonus. This is an excellent opportunity to join a collaborative and tech-focused software team in a senior position offering a mix of engineering depth, meaningful projects, and long-term growth. The Role: *Full-stack development using .NET More ❯

Senior Software Developer Location: Bristol (Hybrid – 2/3 Days Onsite) Job Type: Permanent Clearance Requirement: SC Eligible The Opportunity We’re working with a leading defence organisation on a key hire for a Senior Software Developer to join their embedded systems team. This is a hands-on … high-impact role developing real-time software for next-generation systems where performance and reliability are critical. Whether leading delivery or solving complex low-level challenges in C/C++ or Ada, you'll be at the core of safety-critical defence technologies—offering both deep technical engagement and … long-term career growth. What You’ll Do • Lead or support the design, development, and integration of embedded software for advanced real-time platforms • Collaborate with systems, hardware, and safety teams to deliver certified software solutions that meet strict performance and security standards • Engage directly with requirement authorities More ❯

Full-Stack Product Engineer – Shipping the Future of AI in Finance - Remote (if preferred) 📍 Location: Office in London; open to remote with occasional travel. 💼 Type: Full-time 💰 Compensation: £70k-£130k + meaningful equity 🌍 Reach: Trusted by 40% of the world’s top 50 financial firms We’re building AI … vector search, and custom orchestration to automate tasks that have traditionally taken analysts days or even weeks. 🛠 What You’ll Do As a Product Engineer , you’ll be embedded deeply within one of our most strategic client engagements—delivering real value through hands-on development and technical leadership. You … direction through direct feedback from high-stakes, real-world usage 💡 You Might Be a Fit If You... Have 4+ years of experience as a software or product engineer, ideally in fast-paced, early-stage environments Are proficient with modern web frameworks (Python, React, TypeScript, etc.) and can build More ❯

Senior Software Engineers needed to join a local tech success story Do you want to work for a company who have recently had unparalleled growth with no redundancies? Want to work in a small, tight knit team where everyone works together? How about working on greenfield projects daily with … experience of working in a small team Excellent communication skills About You You’re the right match if you: Thrive as a Full-Stack Engineer Have the want and ability to shake up an old market using new technologies Want the chance join a tech disruptor who are putting More ❯

Senior Software Developer – Belfast – Hybrid Working Search 5.0 is proud to be partnered with a market leading SaaS business that is focused on the energy, construction, and technology sectors. Their platform connects skilled workers with companies needing their expertise, streamlining the process of finding, onboarding, and managing talent. They … s overall skillset. Skills Profile Strong command of JVM-based languages, with openness to Kotlin, Java, Scala, or Groovy. Experience delivering scalable, production-quality software solutions end-to-end. Focused on outcomes, with practical experience in service-oriented and microservices architectures. Hands-on involvement in setting up and managing More ❯

plans already underway for 2025, they're looking for a Principal Java Developer to play a pivotal role in the evolution of their core software platform. As their Principal Java Engineer, you'll join a small yet collaborative, high-performing software engineering team and take ownership of … a critical product area. You'll be at the forefront of architecture and development while mentoring the next generation of software talent and less experienced software engineers -all under the guidance (and support) of a visionary Head of Engineering and CTO. If you're looking for a role … will be highly advantageous Natural leadership skills with a passion for mentoring and team development A problem-solver with a drive for clean, modern software engineering What's in it for You: Salary up to £90,000 Bonus scheme (10%) Share options Flexible hybrid working (2 days in office More ❯

Senior Software Engineers needed to join a local tech success story Do you want to work for a company who have recently had unparalleled growth with no redundancies? Want to work in a small, tight knit team where everyone works together? How about working on greenfield projects daily with … experience of working in a small team Excellent communication skills About You You’re the right match if you: Thrive as a Full-Stack Engineer Have the want and ability to shake up an old market using new technologies Want the chance join a tech disruptor who are putting More ❯

Senior Software Developer – Belfast – Hybrid Working Search 5.0 is proud to be partnered with a market leading SaaS business that is focused on the energy, construction, and technology sectors. Their platform connects skilled workers with companies needing their expertise, streamlining the process of finding, onboarding, and managing talent. They … s overall skillset. Skills Profile Strong command of JVM-based languages, with openness to Kotlin, Java, Scala, or Groovy. Experience delivering scalable, production-quality software solutions end-to-end. Focused on outcomes, with practical experience in service-oriented and microservices architectures. Hands-on involvement in setting up and managing More ❯

Senior Java Engineer – Core Java, Algo, Distributed Systems Location: Belfast – 2/3 days per week needs to be possible (only considering candidates in NI) Type: Contract Industry: Investment Banking Duration: ASAP – long term (12 months to start with extensions) We’re seeking Senior/Lead Java Engineers to More ❯

Full-Stack Engineer | Hedge fund Compensation: Up to £70,000 Location: Hybrid/London (4+ days per week in the office) Tech Stack: TypeScript/React, Python/Django, AWS Job Type: Full-time I'm am currently working with a fast-growing Hedge Fund who are accelerating the … transition to a positive financial future. They are currently on the search for a talented Full-Stack Engineer that has experience developing responsive web applications from the ground up and bring valuable expertise to their constantly evolving team. Key responsibilities include: Frontend development using React, TypeScript & CSS Backend development More ❯

Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript G.Digital have exclusively partnered with a growing FinTech who are looking for a Senior Java Engineer. 🔧 What You’ll Do: Design, develop, and maintain high-performance Java applications Collaborate with More ❯

About the project: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human-in-the-loop; while … dataset coverage to different types of tasks in terms of programming language, difficulty level, and etc. About the Role: We are looking for experienced Software Engineers (Tech Lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working … with well-maintained, widely-used repositories with 500+ stars. This role involves hands-on software engineering work, including development environment automation, issue triaging, and evaluating test coverage and quality Why Join Us? Turing is one of the world’s fastest-growing AI companies accelerating the advancement and deployment of More ❯

Senior Java Engineer – Core Java, Algo, Distributed Systems Location: Belfast – 2/3 days per week needs to be possible (only considering candidates in NI) Type: Contract Industry: Investment Banking Duration: ASAP – long term (12 months to start with extensions) We’re seeking Senior/Lead Java Engineers to More ❯

Sachs Asset Management and Everstone Capital, Apexon now has a global presence of 15 offices (and 10 delivery centers) across four continents. Job Title: Software Developer in Test (SDET) - Java Location: United Kingdom About Us We are a leader in the fintech space, driven by innovation and committed to … stream-aligned teams, we deliver technology change safely and rapidly to support business growth and maintain our market-leading position. Role Overview As a Software Developer in Test (SDET) , you will play a critical role in building fully automated tests using the latest test frameworks and tools. Positioned within … teams, supporting our journey to become an elite technology organization. You will work closely with development and platform engineering teams to ensure high-quality software through robust test automation, enabling seamless and continuous integration and deployment. Key Responsibilities: Advocate for test automation and shift-left best practices. Develop, maintain More ❯

various business engagements, such as client projects and internal company products. Some examples of these engagements include client scoping programmes, and PoC/MVP software development. A significant focus will be on building and optimizing Large Language Model (LLM) inferences and creating robust web services. This includes developing event More ❯

Principal SDET (Software Development Engineer in Test) Location: Belfast (Hybrid) Are you a senior test automation expert ready to shape the future of quality engineering at a global scale? Join our client’s fast-growing engineering hub in Belfast , where innovation meets impact. Our client is seeking a More ❯

5x Python Developers (Python, AWS, Terraform, Typescript, Automation) Location ; Remote (MUST BE UK Based) with occasional travel to office (London or Leeds) Rates; 1x Mid Level; £400/day Inside IR35 4x Senior; £500/day Inside IR35 Duration ; All More ❯

are now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models … it’s about rethinking how AI workloads are executed at speed and scale. You’ll lead the design and implementation of software systems that run distributed, low-latency inference across clusters. You’ll work closely with hardware and ML teams to optimise every layer of the stack—from model … compiler engineers to improve code generation, execution paths, and memory layouts using tools like LLVM or MLIR Work with hardware teams to ensure the software stack fully leverages the capabilities of our OTPU architecture Extend ML frameworks (e.g. PyTorch, ONNX, OpenXLA) to better support performance-critical inference paths Lead More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who … passionate about new, advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real … sustainable energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading More ❯

Experience in both C++ and Python Good programming skills, with a strong understanding of data structures and algorithms You’re able to precisely articulate software concepts and designs You have a Bachelor's degree (or above) in Computer Science, Software Engineering or similar, with excellent results. A strong More ❯

will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code. Responsibilities Develop quality software and web applications Analyze and maintain existing software applications Design highly scalable, testable code Discover and fix programming bugs Qualifications Bachelor's degree More ❯

Mid level Java Developer - 9 month contract - Hybrid - start ASAP This role will involve software development across multiple microservices. Need experience in: Strong knowledge and extensive experience of modern Java technologies, frameworks, and design principles. specifications. Test-Driven Development (TDD) and Behaviour Driven Development (BDD) practices and techniques. Will More ❯

Company | Tech For Good, Product, SaaS 📏 Size | 200 people 🧢 Role | Product Engineer 🪜 Level | Staff 🎯 Areas | full stack, technical leadership, AI ✨ Tech | TypeScript, React, Ruby, AWS, OpenAI, Claude 📍 Based | London (Zone 1) 💻 Hybrid | 2 days a week in-office 💰 Offer | £130-145k + share options Hi 👋 Workonomics are partnering … day. The company have recently raised new investment to fuel further innovation and product development. They're now seeking a hands - on Staff Product Engineer who: is already at Lead/Staff level (this won’t suit a Senior looking to step up) has broad experience as a respected … and craft org - wide relationships ✅ This will suit an engineering generalist who cares most about the problem being solved ❌ This will not suit an engineer who is wedded to specialising in one particular tech stack You’ll be joining a company that’s having a hugely positive impact on More ❯