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citi
28 Jun, 2026
Full Time
Experienced Backend Java Developers
citi Belfast, UK
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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi Belfast are hiring for Experienced Backend Java Developers with a skillset ranging from Assistant Vice President to Senior Vice President responsible for contributing to a variety of development activities. The overall objective of these roles is to assist/lead in applications systems development,...
citi
28 Jun, 2026
Full Time
Senior Java Developer
citi Dublin, Ireland
Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in applications development. Team/Role Overview It’s a Payments Team spread across geographies and the application is an emerging project with latest tech stacks.  On a day-to-day basis, the team works on various initiatives including geographical expansion, architectural enhancements, and functional enhancements. The Senior Java Developer is an intermediate level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Global team and will work with clients and colleagues across geographies. The day-to-day activities mainly require designing the system, development and deployment to production. What you’ll do  Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements...
citi
28 Jun, 2026
Full Time
Lead Java Developer
citi Dublin, Ireland
Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in applications development. Team/Role Overview It’s a Payments Team spread across geographies and the application is an emerging project with latest tech stacks.  On a day-to-day basis, the team works on various initiatives including geographical expansion, architectural enhancements, and functional enhancements. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Global team and will work with clients and colleagues across geographies. The day-to-day activities mainly require designing the system, development and deployment to production. What you’ll do  Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to...
GUARDIAN NEWS AND MEDIA
28 Jun, 2026
Permanent
Senior Android Developer
GUARDIAN NEWS AND MEDIA 39 Holloway Rd, London N7 8JP, UK
Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism, and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals, and industry-leading digital experts are committed to making a difference and represent a wide range of backgrounds and perspectives. We offer a challenging and exciting environment for career development, with a focus on training, growth and fostering an inclusive culture. We are now looking for a Senior Android Developer to join our Apps team. Development of digital products is central to the Guardian. We create our award-winning Android app primarily in Kotlin and Java using Android Studio. We're focussed on providing a fast and stable experience to our users, and our Play Store rating of 4.7 stars is testament to that. You'll work on major new features, as well as improving and maintaining existing functionality for The...
citi
28 Jun, 2026
Full Time
Low Latency E-Trading Software Engineer
citi London, UK
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 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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech....
citi
28 Jun, 2026
Full Time
Senior Algo Trading Software Engineer (VP)
citi London, UK
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 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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech....
citi
28 Jun, 2026
Full Time
Full Stack Engineer (Java or C# / React or WPF) – VP
citi Belfast, UK
Full Stack Engineer (Java or C# /React or WPF) – VP 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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. What We do in Equities Tech Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology...
citi
28 Jun, 2026
Full Time
Senior Full-Stack Developer
citi Dublin, Ireland
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 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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech....
citi
28 Jun, 2026
Full Time
Front-End Web Developer
citi Belfast, UK
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 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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech....
Randstad Technologies
25 Jun, 2026
Permanent
Java & React
Randstad Technologies 39 Holloway Rd, London N7 8JP, UK
Location: London (Hybrid - 3 days in-office) Role Type: Full-Time / Permanent Experience Level: Mid-Senior (5-7 years) We are partnering with our client to hire a Senior Full-Stack Engineer. In this role, you will design, build, and scale cloud-native applications that are critical to the bank's risk management operations. This is a high-impact position for an engineer who excels at bridging complex backend data processing with highly responsive front-end interfaces, all hosted in a modern cloud environment. What You Will Do Build scalable applications using Core Java, multithreading, and ReactJS to handle heavy datasets efficiently. Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS. Design and integrate APIs using REST and gRPC to ensure seamless connectivity between the frontend and backend. Implement event streaming by integrating Kafka for real-time financial data processing. Lead...
Capita
18 Jun, 2026
Full Time
Future FTC Opportunities - C#/VB6/Mainframe Developers
Capita Manchester, UK
Capita Regulated Services is building a talent pool for upcoming specialist fixed-term contract opportunities within our Life & Pensions business area. With numerous projects and increases in client demand linked to change activity anticipated from summer 2026, we’re keen connect with experienced Developers in the UK, ideally with experience in the FCA Regulated Life & Pensions sector, to support the delivery of these projects. Specifically, we will be seeking: • C# Developers • Mainframe Analyst Developers (incl. IBM Mainframe, Cobol, JCL, DB2, CICS and Microfocus Cobol) • VB6 Developers Whilst the roles are not live just yet, we want to get ahead by identifying and engaging with talented individuals early, so that we can move quickly when the requirements are confirmed. If you’re open to future contract opportunities and would like to be considered when roles become available, we’d love to hear from you. These roles will be based in the UK, however will require the...
AND Digital
16 Jun, 2026
Principal Engineer (Backend focus -Java)
AND Digital London, UK
Job Description: Principal Engineer Role Title: Principal Engineer (Tech Lead) Location: London (Hybrid - 3 days per week) Reporting to: Delivery Lead / Client Services Director Core Tech: Java, React, AWS Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable impact for our clients. We do this through our regional offices (or ‘Clubs’) building strong relationships with our partners, so that they are always prioritised by a team within close proximity.  This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for global expansion in the next couple of years. Join us - and help us...
citi
28 Jun, 2026
Full Time
FX Risk Java Developer (VP)
citi London, UK
FX Risk Java Tech Lead   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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. What We do / The Team Citi's Markets technology team is growing at lightning speed, and we're looking for talented technology leaders to help build the future of global banking. As the world's most global bank, Citi provides an opportunity to touch every corner of the globe...
citi
28 Jun, 2026
Full Time
Full-stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President
citi London, UK
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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi is seeking a highly motivated and curious full-stack engineer work embedded within the Systematic & Credit Portfolio Trading business and build out a first-class ecosystem of trading tools . This role offers a unique opportunity for in-person collaboration with traders, quants, and product...
Adecco
26 Jun, 2026
Contract
Full Stack Developer (ReactJS / Java)
Adecco Yorkshire, UK
Job Title: Senior Full Stack Engineer Contract: 6 months initially - Inside IR35 Working Pattern: Full Time / Hybrid working on client site Industry: Financial Services Are you a passionate Senior Full Stack Engineer ready to make an impact in the Financial Services industry sector? Our client is on a mission to enhance FS processes by developing cutting-edge in-house solutions. We are looking for a talented individual to join their dynamic team, driving engineering excellence and change while delivering top-notch applications for users managing their banking activities. What You'll Do: As a Senior Full Stack Engineer, you will play a pivotal role in: Hands-On Development: Delivering code to production and supporting the system's architecture aligned with a microservice structure. Leading by Example: Driving the team to deliver code at an accelerated pace, showcasing reliability and volume of change. Engagement: Actively collaborating with business and...
citi
28 Jun, 2026
Full Time
FX STIRT Technology - Senior Software Engineer (SVP)
citi London, UK
FX Client & Sales Technology - Senior Software Engineer (SVP) The STIRT Engineering Lead is a  London-based Senior Vice President  responsible for the  hands-on design, architecture, and implementation  of the full front-to-back technology platform supporting the STIRT business. This role sits at the intersection of engineering excellence and business partnership, requiring deep engagement with traders, quants, and stakeholders across FX and Rates desks. The role demands a  technically deep, hands-on engineering leader  with strong expertise in capital markets systems, responsible for driving the strategic evolution of STIRT technology — spanning curve construction, RFQ and pricing workflows (for FX and Interest Rate Derivatives) — while managing a globally distributed engineering team. The successful candidate will own the end-to-end technology vision for STIRT, eliminating fragmentation across trading units and delivering a modern, high-performance, resilient platform...
citi
28 Jun, 2026
Full Time
Senior UI Developer
citi Dublin, Ireland
Shape your career with Citi in Dublin.   By   joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.   Citi has had a presence in Ireland since 1965, it was one of the first foreign banks to open an office in the country and is the Citibank Europe Plc Headquarters.        Team Overview The Custody Transformation Team develops and migrates applications and services for Custody-related functionalities using a modern, cloud-native technology stack. We are seeking a Senior User Interface (UI) Developer with strong data and event-driven design skills to help implement our next-generation Custody technology platform. This is a delivery-focused role spanning design, engineering, implementation, and quality — with real ownership and impact from day one. Our distributed development team collaborates...
citi
28 Jun, 2026
Full Time
Core Engineering Java Development Lead – FX Tech (SVP)
citi London, UK
Core Engineering Java Development Lead – FX Tech (SVP) 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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. This is a hands-on role for a Java expert who enjoys building high-quality robust and scalable services, shaping technical direction, and working with modern event-driven architectures. You'll play a key role in designing, building and evolving...
citi
28 Jun, 2026
Full Time
C# Developer - Equity Derivatives Technology Risk (AVP)
citi London, UK
C# Developer - Equity Derivatives Technology Risk (AVP) 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 a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.  What We do / The Team  Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology...
Adecco
23 Jun, 2026
Contract
UI Developer Lead
Adecco Bromley, UK
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job Title: UI Developer Lead Location: Bromley - Hybrid ( 3 days in office) Contract: 12 months with possible extension. Rate: 850 inside umbrella Description: Highly skilled UI Developer to spearhead the development of the Single Dealer Platform within our Electronic Fixed Income Currencies business. The ideal candidate will have deep expertise in React, RxJS, and modern UI frameworks, combined with strong leadership and architectural skills to deliver high-performance, scalable, and intuitive trading interfaces. Key Responsibilities: Lead UI Development...
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