51 to 75 of 101 Software Engineer Jobs in Belfast

About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis and … a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities: Designing solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles More ❯

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for a … confident, experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. As a business, they are heavily driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK … + experience with another backend language (Ruby, C++. Elixir, Haskell, Go, Clojure or Scala) Private projects to showcase + deep interest/passion for software engineering is also a plus! They are also working heavily within AI and working with up to date AI technologies They are paying up More ❯

Are you a skilled Java Software Engineer looking to build next-generation infrastructure platforms? We're hiring on behalf of our client – a leading technology provider serving some of the biggest names in global financial services, based in Belfast. Join a high-calibre, global team developing resilient, performant More ❯

Are you a skilled Java Software Engineer looking to build next-generation infrastructure platforms? We're hiring on behalf of our client – a leading technology provider serving some of the biggest names in global financial services, based in Belfast. Join a high-calibre, global team developing resilient, performant More ❯

About the Role We are a fast-growing security training company, and we're looking for a QA Engineer/Software Development Engineer in Test who is passionate about quality, reliability, and secure software development. In this role, you’ll be responsible for testing a Java … based codebase that powers our secure coding labs and training platform. Your mission is to ensure our software is reliable, robust, and meets the highest standards of quality. Key Responsibilities Design, develop, and maintain test plans, test cases, and automated test scripts for Java-based systems, with a focus … tools (e.g., Maven or Gradle). Experience testing RESTful APIs and backend services. Strong problem-solving skills and attention to detail. Understanding of secure software development lifecycle. Familiarity with CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions. Good communication skills and a collaborative mindset. Preferred More ❯

A Saas-based Software house is looking to grow its Development team for its growing client base of blue-chip clients. This role requires expert-level knowledge in PHP, Laravel & Vue.JS. The Development team is currently made up of 20. With a strong full-stack team, you will be … working closely with the Project Management & Design team - ultimately creating brilliant functional experiences that help save the end-user/customers money! Role: PHP Software Engineer - Laravel Location: Fully Remote in the UK Salary: £45,000 - £50,000 The successful candidate will have at least 2 years of More ❯

C++ Software Engineers (All Levels) – Edinburgh Hybrid (2 Days On-Site) We’re at a pivotal stage in building the first of two new R&D teams for a cutting-edge medical technology company based in Edinburgh. This is a rare opportunity to join a greenfield project, with up … to 22 hires planned across Principal , Senior , and Mid-Level Software Engineer roles. The product is a next-generation, globally distributed medical device, backed by a major parent organisation that ensures long-term stability and investment. The company offers a positive work-life balance, with standard working hours More ❯

Adepta are delighted to be hiring a Senior Software Engineer for one of Belfast's most exciting and brilliant engineering teams. This hire is pivotal to one of their most vital and central teams in the business – you will work with an experienced team of Backend Engineers building … features to a product utilised globally. Due to the on going global success and demand for the product they now need a Senior backend engineer to further bolster the team! Who Are They? This product house is a fast-growing, a data-driven tech company with over 70 of More ❯

We’re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be part 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 (Android) to join our product development team, focused on building Android applications. This position will have the following responsibilities: Android Platform development … Own the building and maintenance of the backend and front end of patient-focused software initiatives. This is currently an Android application using Kotlin and Jetpack compose, combined with a serverless backend built with AWS and Typescript. We want to expand our patient population by implementing brand new therapy … reporting features based on real-world needs. Quality & Security: Implement solutions that ensure the reliability and security of patient data, and that meet global software and medical regulatory standards and practices. Requirements Experience: 2+ years in Android development, with a solid background in designing and deploying robust applications Technical More ❯

join us in person once a month for team meetings in either Edinburgh or London. How you will make a difference: As the Senior Software Engineer , you will play a key role as part of an agile team building innovative products that make life better for people. Develop … continuous feedback Advance the values of the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with More ❯

latency pre-trade credit component we deliver a performant, cost effective solution to your eFX needs. Role Lucera Financial Infrastructures is hiring a Java Software Engineer for our Belfast office to work on our core infrastructure as a service platform, used by some of the top names in More ❯

you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and event … language. Cloud-native technologies: Experience in deploying to cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker), infrastructure-as-code software (e.g., Terraform), and observability platforms (e.g., Datadog or Grafana). Curiosity : A hunger to learn and grow your skills. Problem solving: Strong analytical problem … work environment and wider ecosystem. Why join us? Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression More ❯

empower creators to connect with their fans and monetise their content, leveraging cutting-edge AI to fuel their success. We’re looking for a Software Engineer to fully own and evolve Fadmin , our internal admin tool that powers the day-to-day operations of Fanvue. Built on React More ❯

days in office, 1 day from home. Develops, creates, and modifies general computer applications software or specialized utility programs. Analyzes user needs and develops software solutions. Designs software or customizes software for client use with the aim of optimizing operational efficiency. May analyze and design databases … within an application area, working individually or coordinating database development as part of a team. Modifies existing software to correct errors, allow it to adapt to new hardware, or to improve its performance. Analyzes user needs and software requirements to determine feasibility of design within time and cost … project limitations and capabilities, performance requirements and interfaces. Stores, retrieves, and manipulates data for analysis of system capabilities and requirements. Designs, develops, and modifies software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design. The responsibilities of this role include: • Working under More ❯

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 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 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 ❯

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 ❯

Lead Engineer/Architect – Contract (6+ Months) 🔧 React | .NET | System Architecture | UK Payroll | API & ETL Pipelines 📍 Remote (UK-focused) | Start: ASAP We're hiring a Lead Engineer/Architect to shape the future of UK payroll reporting as part of a major transformation initiative. This is a high … Day rate : TBC Length : 6 months initially, with strong potential to extend Remote-first , but must be UK based If you're an experienced engineer ready to lead on architecture, delivery, and long-term impact, let’s talk. More ❯

used on the world’s biggest live events and for virtual production used on films and television. We design products that are platforms for software and that can gain new features over their working life – always with a focus on image quality, breadth of functionality, ease of use and … roles for themselves in different parts of the world as we bring original, groundbreaking products and technology to market. Job Summary The Senior Embedded Engineer position is within our development team, which works concurrently on a variety of exciting, cutting-edge projects. The Senior Embedded Engineer would work … closely with our existing software, FPGA and hardware teams to design, develop and integrate firmware and software for our range of video processing products. Brompton products feature a wide variety of embedded systems spanning from common architectures including AMD64/x86-64 and ARM (aarch64) through to much More ❯