Full Stack Developer React jobs in Belfast

VANRATH

Requirements Must have: - Strong commercial experience with Java - Experience with Spring Framework (Spring Boot preferred) - Solid understanding of full stack development - Experience with HTML, CSS, JavaScript, and ideally TypeScript - Experience working with databases (Oracle / SQL) - Familiarity

CIS Oncology

€50,000 - €70,000 /year

Requirements Must have: - Significant commercial experience operating at senior developer level in both back-end and front-end areas - Strong professional experience with C# and ASP.NET - Strong experience in JavaScript, HTML, CSS, and React - Knowledge of principles of writing mobile apps and deplo

Requirements Must have: - Proven experience and passion for using web technologies such as Django, Python, and RESTful APIs - Minimum of two years of professional, industry experience - Comfortable working remotely and collaborating asynchronously with teammates in different time zones and from diff

Slice

Ilir Sela started Slice with the belief that local pizzerias deserve all of the advantages of major franchises without compromising their independence. Starting with his family's pizzerias, we now empower over tens of thousands of restaurants with the technology, services, and collective power that

Job Req Id 26953051 Location(s) Belfast, Northern Ireland, United Kingdom Job Type On-Site/Resident Posted May. 06, 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 Cit

Citigroup

We are looking for a Java Technical Lead with proven experience building robust, high-performance, large scale Capital Markets applications. Team Background The Derivatives Credit Risk Technology Team is responsible for delivering Counterparty Credit Risk Management software solutions to Citi’s Risk

Sanderson

Full Stack Developer (Fully Remote) – React, Node.js Location: Fully remote (London-based) Salary: £55,000 - £65,000 Step into a pivotal Full Stack Developer role where your React expertise will shape the digital experience for global sports communities. Lead the charge in building sleek, high-perfo

MCS Group

MCS Group is delighted to be partnering with a leading global technology firm building a cutting-edge engineering hub in Belfast, focused on delivering innovative software solutions used worldwide. As part of an exciting growth phase, the Belfast office is seeking experienced Senior React Engineers

STOCKPORT BASED, HYBRID WORK AVAILABLE Want to ship features that actually matter? Are you a strong developer who wants real ownership, minimal bureaucracy, and the chance to build on something that is changing the lives of independent business owners across the UK? Salary: £38,000 – £50,000+ depend

Corporate Travel Management (CTM) UK/EU

You'll be a senior developer on our in-house travel management platform, working across the full stack — from React frontends to Node.js APIs and background processing services that handle live travel data. The platform spans Linux and Windows environments, including containerised services running o

Future Talent Group

Full Stack Engineer - React, Python, AWS International UAS / UAV / Aerospace Company 📍 Location: Oxford HQ (Hybrid) 💰 Salary: Competitive – DOE We’re expanding a UK-based engineering team building a next-generation data intelligence platform powered by secure, sovereign autonomous systems. Our pla

TD

Senior Full-Stack DeveloperWe are looking for a talented Senior Full-stack Developer with Front‐end & Back‐end Java experience to join the TDS Corporate Banking Technology team. The role focuses on delivering transformational platforms that combine and replace several internal systems, streamlin

Oliver Bernard

🚀 Senior Full-Stack Engineer – TypeScript / React / AWS 💰 Up to £90,000 + Equity | Fully Remote (UK) 💻 Tech Stack: TypeScript, Node.js, React.js, AWS ✅ Backend lean We’re on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems . This isn’t R

Spait Infotech

Job Summary We are looking for a passionate and motivated Junior Java Full Stack Developer to join our development team. The ideal candidate should have basic knowledge of both frontend and backend technologies and be eager to learn and grow in a fast-paced environment. Key Responsibilities Develop

Grace May

We are recruiting for a Senior Full Stack Python Engineer to join a technology business that forms part of a well-established group. The team is building a data science driven SaaS platform focused on predictive modelling and scientific applications. Following the development of an initial proof of

Templeton & Partners - Innovative & Inclusive Hiring Solutions

Build web experiences people can’t stop sharing. We’re partnering with a well-known, well-trusted major Media company at the intersection of technology, storytelling, and global brand campaigns —and we’re hiring a Creative WebGL Developer to turn bold concepts into immersive, real-time work on the m

TD Bank

Work Location : Belfast, United Kingdom Hours: 35 Line of Business: Technology Solutions Pay Details: We’re committed to providing fair and equitable compensation to all our colleagues. As a candidate, we encourage you to have an open dialogue with a member of our HR Team and ask compensation relate

Tata Consultancy Services

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number 02031552100 / +44 204 520 2575 with the subject line: “Application Support Request”. Role: Senior Java Full Stack DeveloperLocation: L

Oliver Bernard

Senior Software Engineer (IC) | HealthTech SaaS | Series A | Remote We’re partnered with a fast-growing Series A HealthTech SaaS company that’s scaling rapidly and building technology with real-world impact. They’re now looking for a Senior Full Stack Engineer (Individual Contributor) to play a key

TD

A financial services company is seeking a talented Senior Full-Stack Developer to join their Corporate Banking Technology team in Belfast. This role focuses on delivering transformational platforms, requiring 7+ years of experience in Java and web UI development, particularly with Spring Boot, React