DI Jobs
  • Home
  • Search Jobs
  • Job Board Advertising Packages
  • Post a Job
  • Sign in
  • Sign up
  • Home
  • Search Jobs
  • Job Board Advertising Packages
  • Post a Job

Refine Search
Current Search
Onsite java developers
Refine by Categories
Information Technology  (31) Engineering  (21) Finance  (4) Executive & Management  (1)
Refine by Job Type
Full Time  (36) Permanent  (5) Contract  (3)
Refine by Salary Range
£100,000 - £150,000  (1) £150,000 - £200,000  (3)
Refine by County
Greater London  (24) Belfast  (15) Cheshire West and Chester  (2) Bristol City  (1) County Dublin  (1) Glasgow City  (1)
West Yorkshire  (1)
More
citi
19 Apr, 2026
Full Time
Java Developer for Trading (Securities Lending) - VP
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. Equities Technology 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 estate to achieve world‑leading performance and resiliency,...
AND Digital
17 Apr, 2026
Full Time
Java Developer
AND Digital Leeds, UK
We are recruiting for a Senior Java / Kotlin Engineer.  On-site: 2 dpw in Leeds Or London Key skills: strong experience in Java or Kotlin (back-end), and comfortable with TDD (test-driven development). 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
20 Apr, 2026
Full Time
Equities Cash EMEA High Touch Technology Lead – SVP
citi London, UK
26956764 Equities Cash EMEA High Touch Technology Lead – 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. 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 estate...
citi
20 Apr, 2026
Full Time
Global Equities ETF Technology Lead – SVP
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. 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 estate to achieve world‑leading performance and resiliency, enabling...
citi
20 Apr, 2026
Full Time
Technical Lead in EMEA for Trading (Securities Lending) - SVP
citi London, UK
Technical Lead in EMEA for Trading (Securities Lending) – 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. 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
19 Apr, 2026
Full Time
Software Engineer (AVP) Belfast
citi Belfast, UK
Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities   About the Department Developer Engineering & Engineering Excellence Tech is a function within CTO, responsible for measuring and supporting Engineers across Citi. Our mission is to make it easy and enjoyable for software engineering teams to go from a business idea to delivering an innovative product solution. The main goals are to improve and upgrade our tools, streamline our processes, automate and strengthen our controls, and help development teams adopt modern working methods. We are an expert team to transform the working environment of the 60,000 people who make up the Citi engineering community and help them dramatically change their approach to developing software across the many...
citi
19 Apr, 2026
Full Time
Python Developer
citi Belfast, UK
The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.   Citi is seeking a highly motivated candidate for Python developer in Wholesale Credit Risk  Technology team that serves Institutional Credit Management (ICM). We are looking for a talented professional with a solid technical acumen to partner with onshore and offshore teams and design and deliver innovative technology solution for the front office, Credit Risk Business. The candidate will be a core member of the technology team responsible implementing projects based on  Python,   FastAPI , MCP, LLM, Java and  using latest technologies.  Excellent opportunity to immerse in and learn within the Wholesale...
citi
19 Apr, 2026
Full Time
Data Security Backend Engineer - Java/ UI Development
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. The Mid-level UI Frontend Developer will be an integral part of the Identity Innovation space within the Cloud Technology Service department. This intermediate-level position is responsible for the design, development, and implementation of robust and intuitive user interfaces. The primary objective...
citi
19 Apr, 2026
Full Time
Senior Engineer - (Vice President)
citi Belfast, UK
Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities   About the Department Developer Engineering & Engineering Excellence Tech is a function within CTO, responsible for measuring and supporting Engineers across Citi. Our mission is to make it easy and enjoyable for software engineering teams to go from a business idea to delivering an innovative product solution. The main goals are to improve and upgrade our tools, streamline our processes, automate and strengthen our controls, and help development teams adopt modern working methods. We are an expert team to transform the working environment of the 60,000 people who make up the Citi engineering community and help them dramatically change their approach to developing software across the many...
citi
19 Apr, 2026
Full Time
EMEA Algo Trading Team Lead - Equities Technology
citi London, UK
EMEA Algo Trading Team Lead - Equities Technology 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 estate...
citi
19 Apr, 2026
Full Time
Python Developer - FX Options Data Engineer
citi London, UK
Python Developer - FX Options Pricing and Market Data Distribution The FX Options Pricing and Market Data distribution team is going through significant reengineering and modernisation. We are looking for an experienced Python developer and technologist to take a hands-on role in building out data analytics capabilities and developing frameworks that enable data scientists to leverage market data. Responsibilities: Contribute to the design and development of the electronic FX Options Data Platform Building out reliable and fast data pipelines for quantitative analysis and trading. Design, build and support our data analytic infrastructure Collaborate with a global team of developers, quants and traders to translate business requirements into robust technical solutions Drive the design and development of system architecture, work with users of the system, and enhance the quality of deliverables Contribute to the continuous improvement of development, deployment and...
citi
19 Apr, 2026
Full Time
Full Stack Application Development Technical Lead (Java/Python), Vice President
citi Belfast, UK
Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in analysis, application development, problem solving and communication to the Source to Pay Solutions Technology group. 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 Team/Role Overview Source to Pay Solutions Technology group is part of COO (Citi Operating Office) Technology organization supporting Citi Operating Office business function and its enterprise‑wide transformation agenda to achieve improvements across risk management, controls, data governance, AI adoption, and process re‑engineering by delivering scalable, secure, and modern technology solutions. Based in Belfast, the team partners closely with businesses and technology stakeholders to build, manage, and modernize multiple Source to Pay...
citi
19 Apr, 2026
Full Time
Senior Python Developer - AVP
citi Belfast, UK
The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.   Citi is seeking a highly motivated candidate for Senior Python developer in Wholesale Credit Risk  Technology team that serves Institutional Credit Management (ICM). We are looking for a talented professional with a solid technical acumen to partner with onshore and offshore teams and design and deliver innovative technology solution for the front office, Credit Risk Business. The candidate will be a core member of the technology team responsible implementing projects based on  Python,   FastAPI , MCP, LLM, Java and  using latest technologies.  Excellent opportunity to immerse in and learn within the Wholesale...
citi
19 Apr, 2026
Full Time
AI Lead Engineer - VP
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. 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 is seeking a highly motivated candidate for Python lead in Wholesale Credit Risk...
citi
19 Apr, 2026
Full Time
Senior Software Engineer, CalcGraphs - Vice President
citi London, UK
Team Overview XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Our team owns multiple Java Spring Boot Services that execute, partition, and track quantitative risk graphs/trades in a distributed environment. These graphs can fail due to their complexity and our system must adapt quickly to these failures to provide a seamless experience for clients.  XiP Compute Services are deployed onto OpenShift and Amazon’s Elastic Kubernetes Service (EKS). An important initiative in 2025 will be onboarding Google’s Kubernetes Engine to further expand our coverage. Our system scales on-demand, and we can run up to tens of thousands of replicas of our services across all asset classes.  Role Overview We are seeking a Senior Engineer to fill the role of ‘Applications Development Technology Lead Analyst’ on the...
citi
19 Apr, 2026
Full Time
Full Stack Engineer (C#/WPF UI) – VP
citi Belfast, UK
Full Stack Engineer (C#/WPF UI) – 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 estate to...
citi
19 Apr, 2026
Full Time
Full Stack Engineer (C#/WPF UI) – VP
citi London, UK
Full Stack Engineer (C#/WPF UI) – 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 estate to achieve...
Smartbox Assistive Technology
15 Apr, 2026
Permanent
Software Team Lead
Smartbox Assistive Technology Bristol, UK
Software Team Lead Salary Range : £55,000 £65,000 pa Location : Hybrid, based in Bristol Join us at Smartbox as a Software Team Lead ! Are you a passionate Software Team Lead looking to make a real impact by giving a voice to those without speech Smartbox is looking for a dedicated individual like you to join our team and contribute to enhancing the lives of people with disabilities. Your Impact As our Software Team Lead, you will: Leading and mentoring a team of Software Engineers and QA Specialists. Actively leverage modern AI-assisted development tools (e.g. Claude Code or similar) to improve individual and team productivity, code quality, and learning, and support the team in adopting these tools effectively and responsibly. Foster a strong focus on delivering meaningful user outcomes, ensuring that technical decisions are grounded in a deep understanding of the product domain and real user needs. Encourage and enable the team to use product insight, user...
Randstad Technologies Recruitment
10 Apr, 2026
Permanent
Java + Kotlin Engineer
Randstad Technologies Recruitment 39 Holloway Rd, London N7 8JP, UK
Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time / Permanent Experience: 5-7 years We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London. In this role, you will be responsible for designing and scaling robust Microservices using the Spring Boot ecosystem. The Role You will take full ownership of the software development lifecycle, from initial concept to deployment. You'll be tasked with building efficient, maintainable backend solutions while collaborating with cross-functional teams to deliver high-performance features. Key Responsibilities Develop & Maintain: Build robust applications using Java and Kotlin within a Spring Boot environment. Architect: Design and implement scalable Microservices architectures. Collaborate: Work with Project Leads, BAs, and DevOps to translate requirements into technical...
AND Digital
09 Apr, 2026
Tech Lead (London)
AND Digital London, UK
Job Description: Lead Product Developer Role Title: Lead Product Developer (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...
  • Home
  • About Us
  • Recruitment Blog
  • Terms & Conditions
  • Privacy & Cookies Policy
  • Employer
  • Post a Job
  • Job Board Advertising Packages
  • Diversity, Inclusion & Equality (ED&I) Articles
  • Sign in
  • Contact Us | Recruiters
  • Job Seeker
  • Find Jobs
  • Upload CV
  • Job Seeker Help & Advice
  • Equal Opportunities Monitoring Form
  • Sign in
  • Contact Us | Jobseeker
  • Facebook
  • X / Twitter
  • LinkedIn
© 2026 DIjobs Limited  |  3rd Floor, 86-90 Paul Street, London EC2A 4NE  |  Company Registration: 13316146  |  VAT No: GB 377358650
Diversity Job Board | Inclusion | Equality | ED&I | DEI | EDI | D&I | DEIB | IDEA | BDI | Jobboard | Vacancies | Diversity Jobs | Careers | Jobsite | Diversity and Inclusion Job Boards | Find a New Job | Job Search with DIjobs