Location: Belfast, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Thales people architect solutions that are relied upon to deliver operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defensive systems for land, sea, and air. From early warning, to threat neutralisation, our platforms cover all levels from very short-range systems, to extended protection across the entire battle-space including Airspace Mobility Solutions, Vehicles and Tactical Systems and Missile Defence, Optronics, and Radar....

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...

Excited to grow your career? We value our talented employees, and whenever possible strive to help one of our associates grow professionally before recruiting new talent to our open positions. If you think the open position you see is right for you, we encourage you to apply! Our people make all the difference in our success. 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, problem solving and communication to Citi’s EMEA Foreign Exchange (FX) Novation Middle Office Team. 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 The Citi EMEA Foreign Exchange (FX) Novation's Team has a wide range of internal stakeholders having significant interaction with external clients, playing a key role in the overall...

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...

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...

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...

Are you looking for a career move that will put you at the heart of a global financial institution? 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 Overview: The EMEA Operations Regulatory Control Client Asset team performs a key role in a number of Client Asset processes including Client Money Calculations, Client Money Diversification, CMAR, MCAR, CASS RP, 10 day + break management oversight, Prudent Segregation calculations and oversight. The group acts as central point of contact within O&T for Client Asset issues enabling transparency and escalation. Role Overview: This role is within the Client Asset Regulatory Control team as part of the Belfast Operations Control department.  This is a people management role with responsibilities, leading and developing a team of analysts. The key daily...

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, problem solving and communication to Citi Belfast Markets Operations. 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 Our Operations groups are core to the success of the Markets business.  We support a wide range of internal stakeholders alongside having significant interaction with external clients, playing a key role in the overall client experience. We are recruiting for a program manager to lead multiple global initiatives across Fixed Income Middle Office, spanning FX, Spread, Rates, Commodities and Treasury and Financing business lines.  Initiatives will cover but not limited to target operating model design, regulatory, strategic re-architecture...

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...

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...

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...

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: We're looking for a talented Support Engineer to join our global team supporting a large-scale data platform that processes critical business information across our organization. The Platform:  You'll be supporting a modern Big Data platform built on industry-standard...

The Department Developer Enablement is a function of the CTO organisation. 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. The Role We're seeking a technically versatile GenAI Full-stack Engineering Lead to join our department. You'll provide technical leadership and strategic direction, shaping the future of our software engineering efforts and promoting cultural change across the organisation. This role demands a strong understanding of software engineering best practices and the ability to instill them within a team, fostering a positive and collaborative culture. As the Engineering Lead, you’ll need to demonstrate a deep understanding of user needs and contributing to the overall product vision. Our...

Are you looking for a career move that will put you at the heart of a global financial institution?   If you answered yes above then Citi’s Markets Legal Contract Management Team might be the right fit for you. A place where you can use skills like drafting, analysing, problem solving, communication and organisation every single day. 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 An opportunity has arisen in the Belfast Markets Legal Contract Management team for a prominent in-house counsel role to support the G10 Rates, Markets Treasury and Finance, Equity securities lending and Private Assets businesses globally. This role will involve working closely with internal and external clients as well as sales and relationship managers and Citi Product Legal Counsel in negotiating, reviewing, and...

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, problem solving and communication to Citi’s Onboarding Master Central Team. 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   Onboarding Master Central (OMC) is a common portal designed to support the Capital Markets onboarding process. The platform is engineered to centralize and manage the entire client onboarding lifecycle, from initiation to completion. It functions as a critical integration hub that automates complex workflows by connecting various internal and third-party systems. This ensures a streamlined and efficient process, creating a seamless experience for both internal teams and clients.     The IT...

Are you looking for a career move that will put you at the heart of a global financial institution’s in‑house legal team? Then bring your skills here! 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 The role is a legal position responsible for delivering legal support, thought leadership, advice and guidance to Citi businesses and functions across a broad range of assigned practice areas and matters within the Technology, Operations & Privacy (TOP) Legal Team, which forms part of the broader Citi Legal Department. This dynamic and supportive team of lawyers team provides commercial and technology legal advice supporting stakeholders including Citi’s Procurement Team, overseeing third‑party supplier and outsourcing contracts, regulatory matters, and a wide range of commercial contracts. The...

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 . As a Program Manager for Strategic Initiatives at the Vice President level, you will play a critical role in executing our firm-wide strategies, with a focus on enterprise resiliency and recoverability. You will be responsible for leading and driving key workstreams, ensuring the successful delivery of...

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 User Experience Lead Analyst is a senior level role significantly contributing to the research, analysis, and design of digital products and systems. User Experience partners with Product and Technology colleagues to create innovative and intuitive digital products that deliver best-in-class user...

The Key Management Senior Engineer is a senior engineering position responsible for delivering key management solutions as part of the Key Management Engineering  team. Engineering activities including the design, acquisition and deployment of hardware, software and network infrastructure in coordination with the Technology team. The overall objective of this role is to deliver global key management solutions for the company. Responsibilities: Ensure the goals of Data Security Engineering department are delivered. execution of IT strategy and roadmap for Key Management Systems Ensure operational readiness and conformance to global standards for ongoing operation and support Utilize an in-depth understanding of how engineering integrates within technology and commercial awareness train and coach junior team members Make evaluative judgment based on analysing information in complicated or unique situations; utilizing multiple sources of information Impact...

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 Digital Design Engineer Group Manager is accountable for management of complex/critical/large professional disciplinary areas. Leads and directs a team of professionals. Requires a comprehensive understanding of multiple areas within a function and how they interact in order to achieve the...