Front End Developer React jobs in Belfast

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Allstate Insurance Company

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated drivin

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 Disc

Citigroup Inc.

We are seeking an experienced and highly motivated Lead Full Stack Developer to join our dynamic engineering team. The ideal candidate will possess deep expertise in Java and ReactJS, coupled with a strong understanding of both relational (RDBMS) and NoSQL databases. This role is critical for drivin

Citi

We are seeking an experienced and highly motivated Lead Full Stack Developer to join our dynamic engineering team. The ideal candidate will possess deep expertise in Java and ReactJS, coupled with a strong understanding of both relational (RDBMS) and NoSQL databases. This role is critical for drivin

Every member of Celerion is involved in making a distinctive contribution to the health and well‐being of people around the world. That's the sense of purpose shared by our employees. We are a performance‐driven drug research company, operating in robust and growing markets. We have an exciting futu

Join a team that's going places! Every member of Celerion is involved in making a distinctive contribution to the health and well-being of people around the world. That's the sense of purpose shared by our employees. We are a performance-driven drug research company, operating in robust and growing

A performance-driven drug research company in Belfast is seeking a Data Programmer to develop and support clinical database programming activities. This full-time position offers a hybrid work arrangement within the UK. The ideal candidate will have a Bachelor's degree with programming experience an

Citi

A leading global bank in Belfast is looking for a Senior Software Engineer skilled in Java and Kotlin to enhance their Developer Enablement team. The role emphasizes server-side engineering, RESTful API development, and collaboration within an agile environment. You will contribute to innovative pro

Warman O'Brien

Senior Statistical Programmer – FSP | Global Leading CRO | UK / Europe | Home Based A leading CRO has an exciting opportunity for a Senior Statistical Programmer to join their team, working in an FSP partnership with a global pharmaceutical client. In this role, you will support the development, val

Warman O'Brien

Statistical Programmer II | Leading CRO | Home Based | UK | Join a fast-growing, independent CRO providing a broad range of expertise-based clinical research services to worldwide pharmaceutical, biotechnology, and medical device industries. Renowned for its high-quality deliverables, exceptional cu

McAvoy Group

A leading construction firm seeks a Planner/Programmer in Lisburn. This role focuses on developing detailed construction plans, monitoring site progress, and undertaking delay analyses. Candidates should have a civil engineering degree and at least 5 years of planning experience in major constructio

McCue Corporation

McCue Job ref: **MCCUE/26012** Permanent Competitive Carrickfergus 1 Position(s) Available Mon 30 March 2026 - 16:00 ### **Employer Information** *McCue** *E:**Careers@mccuefit.com *T:**+44 (0)28 9332 9000 *W:**www.mccuefit.com You will play a key role in the early stages of project delivery, from i

Napier AI

Application Deadline: 3 April 2026 Department: Technology Location: Belfast Description Imagine catching criminals before they strike—that’s exactly what Napier’s AI-powered platform does! By analysing transactions and customers in real time, Napier AI’s technology empowers financial institutions to

Warman O'Brien

Contract Opportunity – Technical / Lead Statistical Programmer (12 Months) Location: UK or Europe (Remote/Flexible) Industry: CRO / Pharma Start Date: May 2026 Contract Length: 12 Months (Strong potential for extension) Rate: Competitive hourly rate (IR35 not applicable) A leading European CRO/consu

princeps technologies

Job Title: Clinical SAS Programmer (SAS/R) Experience: 8+ Years (SAS) | 3+ Years (R) Location: UK/USA Job Overview We are seeking an experienced Clinical SAS Programmer with strong R expertise to join our growing Early Phase SAS Programming team. In this role, you will be responsible for developing,

Contract Opportunity – SAS Statistical Programmer (12 Months, Extendable) Location: UK or Europe (Remote/Flexible) Industry: CRO / Pharma Contract Length: 12 Months (Strong potential for extension) Rate: Competitive hourly rate (IR35 would not apply) A leading European CRO/Consultancy is currently s

*Job Title:** Gameplay Programmer – AAA Creative Game Studios About the Role Do you love building immersive gaming experiences that players can’t put down? AAA Creative Game Studios is looking for a **Gameplay Programmer** to join our passionate development team. In this role, you’ll bring game mech

*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*

Version 1

Front End Developer (React) Full-time Department: Services Reliability Group Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigat