Reactjs Java Developer jobs in Belfast

🚀 *Lead Java Engineer** 📍 Belfast (Hybrid) | 💰 Up to £80k + bonus + strong benefits We’re partnering with a *high-growth fintech platform** that’s quietly powering millions of investment accounts globally. They’re scaling fast and building out a *next-gen backend platform** — and now need a *Lead

*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*

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 Engi

Requirements Must have: - Strong commercial experience developing backend systems using Java (Spring Boot or similar frameworks) - Proven experience building distributed systems and microservices architectures - Experience designing and implementing event-driven architectures using messaging or stre

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

*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 growi

*Enso Recruitment** is delighted to be currently working with a *Belfast based team** who are actively recruiting for a number of *Principal** and *Senior Frontend Engineers** . This is an exciting opportunity to join a *growing engineering team** , where you'll play *a key role in scaling the compa

*Senior C# Developer (React / Regulatory Reporting) | Belfast, Hybrid £85k** ❗Note: This role DOES NOT provide VISA Sponsorship❗ Our client is a leading financial services firm, currently looking to bring new ideas, energy, and innovation into their Regulatory Reporting Technology team based in Belf

Bizoforce Hiring is looking for *Entry-Level Full Stack Developers** for an exciting onsite opportunity in Belfast. This role is ideal for recent graduates or early-career professionals who want to gain hands-on experience in modern web development and cloud technologies. You will work closely with

*Role:** We're seeking a *Senior Frontend Engineer** with a strong React/TypeScript background, passionate about solving hard UI challenges. You'll own the UI of our next-generation Developer Platform @ Citi. You’ll be working on creating a near real-time UI application, solving cutting-edge UI prob

*About Us** DailyPay is transforming the way people get paid. As a worktech company and the industry’s leading on demand pay solution, DailyPay uses an award-winning technology platform to help America’s top employers build stronger relationships with their employees. This voluntary employee benefit

At InstilWe help technology brands transform, innovate and disrupt their markets with secure, category-defining software. Our services include product development, delivering next-generation digital solutions; cyber security, helping teams protect against emerging cyber threats; and artificial intel

*Job Description** Following on from our continued growth and success, Intapp is looking for a Senior Software Engineer to join our Belfast development team. You will be a part of a growing, innovative team and will work closely with the development and product management teams, innovating to enhanc

*About Us:** Neueda is a leading provider of technical and professional learning solutions for market leading finance, insurance, and technology organisations. We have an ambitious vision for growth, supporting organisations on the journey to equipping their people with the skills to achieve and sus

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

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

### **About The Role** *Security Officer - part time security & non working site supervisor (Boucher road)** *Position:** Security & non working site supervisor *Location:** Skoda / VW Boucher road (Agnew group) *Hours & Days:** 26Hrs per week, Monday to Saturday (open ups & lock ups

*Senior Software Engineer** *£55,000 - £65,000** *Belfast | Hybrid** Energy SaaS | C# / Java | React / Azure | AI Kura is working exclusively with an ambitious energy SaaS start-up on a mission to help customers unlock significant efficiency gains through smart, intuitive software for a Senior or a

*Role Overview** The Software Team Lead will provide hands‑on technical leadership to a cross‑functional engineering team delivering business‑critical software solutions. The role combines people leadership with deep software engineering expertise, setting standards for code quality, architecture, a

*Department:** Development *Employment Type:** Full Time *Location:** Belfast *Description** At Bright, we create cutting-edge software for accounting, payroll, tax, and practice management, supported by a team of talented individuals who are passionate about making a difference. Together, we lead t