Senior Software Quality Assurance Engineer jobs in Belfast

Job Summary: We are seeking a detail-oriented Software Quality Assurance (QA) Engineer to ensure the quality and reliability of software applications through rigorous testing and validation. The ideal candidate will have a strong understanding of QA methodologies, excellent analytical skills, and experience in both manual and automated testing. Key Responsibilities: - Design, develop, and...

Senior QA Engineer We are currently working with a Belfast-based tech team who are looking for a new QA Engineer to join their growing organisation. The company operates in the tech-for-good space and has been expanding rapidly over the past 12 months. They are now seeking a Senior QA Engineer with experience in automation, Selenium, and front-end technologies. This is a hands-on position with...

We are looking for a QA Engineer to join our client Hybrid (3 days in-office, 2 days remote) - Belfast, Northern Ireland, United Kingdom Role Responsibilities - Design, implement, and maintain detailed test plans and test cases to verify the quality and functionality of backend services and APIs. - Conduct automated and manual testing, with a focus on integration and end-to-end test...

QA Engineer - £480 inside IR35 Contract (Remote, once a quarter in Cardiff) - Ruby Experience Please note: This is primarily a remote role; however, candidates must be UK-based and able to attend the office once per quarter. La Fosse is partnering with a leading software company to recruit a QA Engineer on a 6-month contract. This role will focus on supporting the migration of a legacy system...

You will be a vital link between the software team and Internal & external stakeholders. Key Responsibilities - Develop & maintain applications using .

Senior Software Engineer / Developer (TypeScript Node.js) Remote UK to £80k Are you a senior, hands-on Software Engineer looking for an opportunity to take ownership and progress your career at a scaling tech company? You could be joining a growing games company that combines state of the art technology, gaming and luxury fashion. What's in it for you: - Salary to £80k - Remote working -...

You will be in close collaboration with Frontend engineers, Data engineers, DevOps and Product Owners and Scrum master. The team is working on a system that monitors and analyses the state of the electrical grid and sends out alerts when faults or power disruptions occur, helping keep the lights on for end consumers.

You will work extensively with Generative AI technologies, such as GPT-4 and Gemini, integrating their capabilities into our systems through advanced prompt engineering and API integration. As the GenAI Senior Full-Stack Software Engineer, you'll demonstrate a deep understanding of user needs while contributing to the overall product vision.

Senior Full Stack Software Engineer - AI Enablement Team Location: UK Remote Contract Duration: 6 months Start Date: Ideally by 1st December 2025 Position Overview: We are assembling a high-impact AI Enablement Team focused on accelerating software development through the strategic use of AI tools and pipelines. Unlike traditional AI teams, this group will not be building models from scratch....

We’re building the next generation of merchant-first digital solutions and we’re looking for a Senior Software Engineer to help shape it. You’ll join a small, empowered team that values innovation, collaboration, and real-world impact. What You’ll Do - Design and develop backend, service, and portal systems for our payment platform. - Use modern practices such as BDD and CI/CD to deliver...

Our client is building the imaging systems behind future AR/VR and smart-glasses products. We're hiring a senior engineer to develop the C++ simulation and imaging tools used to explore new camera architectures. What you'll do - Build C++ imaging and simulation software used by camera/optics teams. - Translate prototype MATLAB/Python models into production-quality C++. - Work with optics, image...

Senior Backend Engineer | Fully Remote | Full Time Are you a seasoned backend engineer with a passion for building scalable APIs and robust backend systems? We’re looking for a Senior Backend Engineer to join our development team and help shape the future of our platform. What You’ll Do - Design, develop, and maintain high-quality APIs and backend services - Architect scalable software...

Senior Software Engineer Location: Remote with Sheffield HQ visits 6 times a year Annual Salary: £60,000- £75,000 We are currently looking for Senior Software Engineers that have experience with our Backend tech stack (TypeScript, Node & AWS) Join Our Engineering Evolution at Twinkl At Twinkl, we're not just building software - we're transforming how millions of educators and learners...

Senior Java Software Engineer 📍Remote UK | 🌍 Global Fintech | 💳 Merchant-First Payments Ecosystem A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is looking to expand its engineering team. As the company continues to scale its platform to meet growing demand, they’re seeking experienced engineers to join their collaborative,...

You will be expected to work within a home based role, speaking with colleagues within the US and UK.

The Vacancy Are you a Senior Software Development Engineer looking to join a company where your work truly makes a difference? Where you’re empowered to innovate, collaborate, and help shape the future of healthcare technology? Then this could be the opportunity for you. We’re looking for a talented Senior Software Development Engineer to join our EMIS-X Analytics team and help us build...

Senior Software Engineer (TypeScript + AWS + Lambda) 12-Month Fixed Term Contract (strong potential to go perm or extend) Full-Time | Fully Remote (UK-based) £70,000 – £80,000 + Benefits We’re looking for an experienced Senior Software Engineer with strong AWS cloud experience to join our team on a 12-month fixed term contract. You’ll play a key role in designing and building scalable,...

Senior Software Engineer Fully Remote - UK Based £60,000 C#, .Net, .Net Core, Angular, Microservices, Azure, AKS Your Next Hire have partnered with a SaaS provider who are transforming the automotive industry. They have an established client base and an established product estate, currently on a journey to rewrite and migrate all of their legacy applications to a modern, azure hosted...

Title: Forward Deployed Engineer – AI & Customer-Facing Technical Leader Location: Remote Travel: Customer visits 4–5 days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We’re looking for talented engineers to join our...

Senior Software Engineer .Net 📍 Location: UK remote | We are working with a high-growth global fintech, renowned for delivering world-class payments-related software and technology. This company is building the next generation of capabilities that power a merchant-first ecosystem. They believe that focused, empowered teams can achieve great things. You’ll be joining a curious, driven, and...