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Onsite applications technician Belfast
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Information Technology  (12) Engineering  (11) Finance  (4) Executive & Management  (2) Banking  (1) Facilities  (1)
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Full Time  (25)
citi
26 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
26 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
26 Apr, 2026
Full Time
Core Banking Applications Support - Assistant Vice President
citi Belfast, UK
Citi Belfast is one of the largest employers in Northern Ireland with a diverse and talented team of over 4000 people from over 68 different nationalities across our four Belfast offices. We are the only global investment bank operating in Northern Ireland. Every day, our local experts interact with global teams in over 100 countries developing and supporting next-generation technology solutions for the enterprise and delivering critical services to the bank and its customers, to make sure we are a stronger and safer organization for our clients. You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast’s iconic Titanic Quarter. 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...
citi
26 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
26 Apr, 2026
Full Time
Strategic Initiatives Program Lead – Senior Vice President
citi Belfast, UK
Citi Belfast is one of the largest employers in Northern Ireland with a diverse and talented team of over 4000 people from over 68 different nationalities across our four Belfast offices. We are the only global investment bank operating in Northern Ireland. Every day, our local experts interact with global teams in over 100 countries developing and supporting next-generation technology solutions for the enterprise and delivering critical services to the bank and its customers, to make sure we are a stronger and safer organization for our clients. You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast’s iconic Titanic Quarter. The successful candidate will lead key strategic initiatives in support of enterprise strategy and resilience, ensuring Citi's critical business services maintain operational resilience in alignment with regulatory requirements and business objectives. Driving strategic vision,...
citi
26 Apr, 2026
Full Time
Data Security Backend Engineer - Java
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 Java Developer will be an integral part of the Data Security Identity Innovation space within the Cloud Technology Service department. This intermediate-level position is responsible for the design, development, and implementation of robust microservice applications. The primary...
citi
26 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
26 Apr, 2026
Full Time
Custody Services Applications Support - Senior Vice President
citi Belfast, UK
Citi Belfast is one of the largest employers in Northern Ireland with a diverse and talented team of over 4000 people from over 68 different nationalities across our four Belfast offices. We are the only global investment bank operating in Northern Ireland. Every day, our local experts interact with global teams in over 100 countries developing and supporting next-generation technology solutions for the enterprise and delivering critical services to the bank and its customers, to make sure we are a stronger and safer organization for our clients. You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast’s iconic Titanic Quarter. Custody services is a business of safekeeping Securities holdings on behalf of customers and facilitating clearing and settlement with CSD’s and Exchanges. Custody services are also extended to provide Asset Servicing such as CA processing and Notification and Reclamation of Tax....
citi
26 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
26 Apr, 2026
Full Time
Wealth Products and Operations Control Testing Leader Vice President
citi Belfast, UK
The Wealth Products and Operations Control Testing Team is responsible for the testing of controls that are designed and owned by Citi’s Wealth Product and Operations departments. The Citi Wealth business delivers a comprehensive wealth solution to clients across the wealth continuum, with integrated advice and execution, as well as traditional and alternative investments, managed account strategies, world-class research and investment guidance. The Wealth business serves ultra-high-net-worth individuals and family offices through Citi Private Bank, operates in the affluent and high-net-worth customer relationship tiers of Citigold® and Citigold Private Client and offers wealth management in the workplace through Citi Global Wealth at Work. This position reports to the Wealth Products and Operations Control Testing Head within the Citi COO organization’s Central Testing Utility; and is an execution-oriented individual contributor position accountable for end-to-end controls...
citi
26 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
26 Apr, 2026
Full Time
Senior Application Development Lead - Generative AI (GenAI), 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 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 and economic progress. 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...
citi
26 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
26 Apr, 2026
Full Time
Securities & Derivatives Analyst 2 - C10 - BELFAST
citi Belfast, UK
Team/ Role Overview  Dive into global finance with Citi's Markets Operations team. We're the essential link, ensuring smooth, efficient processing of trades from start to finish. You'll collaborate daily with traders, tech teams, clients, and global partners, supporting critical roles in trade lifecycle management, maintaining strong controls, and delivering excellent client service. You’ll gain hands-on experience and learn from seasoned professionals. This dynamic role offers broad exposure to Citi's markets business and a clear path for career growth. Bring your core strengths and transferable skills to make a real impact and build your future in finance. While we are continuously recruiting, this advertisement serves as a general requisition to build our talent pool for ongoing and future opportunities should a suitable immediate role not be available. Please note, if you already have an active application within Markets Operations, there is no need to apply...
citi
26 Apr, 2026
Full Time
AI Engineer
citi Belfast, UK
Engineer the future of global finance. At Citi, our Tech team doesn’t just 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 AI Engineer is an intermediate-level position responsible for designing, developing, and deploying artificial intelligence and machine learning systems in coordination with the Technology and Product teams. The overall...
citi
26 Apr, 2026
Full Time
Lead Python 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
26 Apr, 2026
Full Time
Futures e-Trading Technology - Client Services VP Technology Lead
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. 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
26 Apr, 2026
Full Time
Java/Kotlin Software Engineer – AVP - (Developer Enablement)
citi Belfast, UK
We’re looking for an enthusiastic & talented server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a startup inside a global bank. Our mission is to drive productivity by streamlining/automating processes & make the best tools available for our 30k engineers. At Citi’s scale saving tens of minutes per day, equates to £10,000,000s of savings   We believe happy engineers make the best engineers and are a technology managed department.   Opportunities in CTO: There are many exciting opportunities for you, and flexibility to move between multiple projects if that’s something you’d enjoy. Two closely related key strategic projects will require your expertise driving solutions are as follows: SDLC Automation  is a greenfield initiative that builds on the success...
citi
26 Apr, 2026
Full Time
FiTP Middle Office Senior Java Developer
citi Belfast, UK
Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. Citi Belfast is one of the largest employers in Northern Ireland with a diverse and talented team of over 4000 people from over 68 different nationalities across our four Belfast offices. We are the only global investment bank operating in Northern Ireland. Every day, our local experts interact with global teams in over 100 countries developing and supporting...
citi
26 Apr, 2026
Full Time
Senior Software Engineer - Margin Technology - Assistant Vice President
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. What We do / The Team: Markets Operations Technology is going through an exciting phase of transformation in margin and collateral domain. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market...
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