Web Developer Java jobs in Belfast

Citi

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

Our client is seeking a Full Stack Developer (Java / Python / Go) to join a leading global Tier 1 financial institution undergoing a major transformation of its technology landscape. You will support with evolving an application and data hosting system into an integrated, hybrid multi-cloud ecosyste

Senior Java Developer - Digital & Public Services A growing digital consultancy delivering complex, high-impact services into the public sector is looking for a Senior Java Developer to join its engineering capability. This is an opportunity to work on meaningful projects, contributing to the develo

Citi

Senior Java Developer (Smart Order Router (SOR)) – Equities Electronic Trading We are seeking a highly skilled and experienced Smart Order Router (SOR) Developer to join our Equities Electronic Trading team. This is a VP-level position responsible for the design, development, and optimization of our

About the role: You'll be working on the backend of systems that move money; payment processing engines, merchant integration services, and the microservices that orchestrate transactions across multiple payment rails. This means designing APIs that handle edge cases gracefully, building services th

Citi

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

Senior Java Developer (Smart Order Router (SOR)) - Equities Electronic Trading Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180 countries operating at

Deloitte - Recruitment

Contract Role: Full Stack Developer (Java / Python / Go) Contract Location: Belfast (Hybrid – 3 days onsite) Contract Duration: 12 months initially (with strong potential for extension up to 2 years) with the opportunity to transition into a permanent role. Contract Start Date: Immediate Contract Cl

MCS Group is delighted to be partnering with a growing consultancy as they establish a brand-new engineering presence in Belfast. Our client is a high-growth cloud, data, and AI engineering consultancy delivering mission-critical solutions for enterprise and scaling clients across modern cloud ecosy

Matched Group

Web Developer Tech : PHP, NodeJS, HTML, CSS, JavaScript, Symfony Why? PE Investment and huge career progression Location : remote with travel to Reading Area office on day 1 and monthly Do you have 3+ years experience using PHP? Do you have 1+ years' commercial experience using NodeJS? A forward thi

Air Apps

About Air Apps At Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live.

Spectrum It Recruitment

Senior Java Developer - Java, MVC, Multi-threaded Are you an experienced Senior Software Developer looking to take on a design authority role? Join a dynamic and growing team delivering cutting-edge cloud-based analytics solutions. With award-winning technology and strong partnerships in the IT & Te

Spectrum It Recruitment

Senior Java Software Developer. Are you an experienced Senior Software Developer looking to take on a design authority role? Join a dynamic and growing team delivering cutting-edge cloud-based analytics solutions. With award-winning technology and strong partnerships in the IT & Telecoms sector, inc

Ernest Gordon Recruitment Limited

Web App Developer PHP (Mandarin Speaking) Manchester - Hybrid £50,000 - £60,000 + Training + Progression + Hybrid + Other Company Benefits Are you a PHP/ WordPress Developer that speaks Mandarin that wants to work for one of the UK's Chemical Research and Manufacturing businesses? Do you want to wor

Hrtechx

Do you thrive in a fast-paced environment? Do you want to be part of an exceptional entrepreneurial team with young, motivated and extremely driven people? And are you curious or passionate about people? If so, you might be our next Wordpress Web Developer. About us HRtechX is a world leading HRtech

Spectrum It Recruitment

Senior Java Developer - Full Stack, Java, JSP, RESTful APIs, JavaScript Flexible Remote / Hybrid working. West Sussex 1 day a week/month depending on your location. Up to £75,000 plus benefits Are you an experienced Full Stack Developer with expert level Java knowledge? We have a fantastic opportuni

N Consulting Ltd

Location: [London Job Type: Contract Experience: 5+ Years (including 1.5+ years in Camunda BPM) Domain (Optional):Banking 🧠 Role Overview: We are looking for an experienced Java Full Stack Developer with Camunda BPM experience to design and develop scalable, workflow-driven web applications. This r

Texas Sports Academy Main

Job Title: Full-Stack Game Developer (Sports EdTech) Location: Austin, TX (On-site preferred) Salary Range: $150,000 - $200,000 Job Type: Full-Time About the Role We are a well-funded, fast-moving startup looking for a hyper-talented AI Applied Full-Stack Game Developer to build a highly scalable, w

DELOITTE

Basic information Location Belfast Business Line Technology & Transformation Job Type Permanent / FTC Date published 08-May-2026 Req # 23174 Job description Connect to your Industry Do you want to be at the heart of some of the biggest and most ambitious engineering projects? Technology & Tr

eFinancialCareers

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