Senior Low Latency Engineer 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 This is a senior level position 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...

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...

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 . 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, communications and engineering skills to the Citi’s Execution Services Production Support team. By Joining Citi, you will become part of a global...

Job Overview We are Citi's Application, Platform and Engineering team, a start-up with the exciting mission of shaping the direction of travel for the entire bank under the Chief Technology Office, by defining the tech and engineering strategy for the bank. We are a team of talented engineers, product managers and tech SMEs, taking ambiguous concepts and making them real by engineering cutting edge products at planetary scale! We are solely focused on the most modern technology and engineering disciplines such as generative AI, cloud, security, modern app stacks (with Golang, Gatekeeper), open source and the latest and greatest in the Kubernetes ecosystem.   Generative AI is a growing space, as a result, we ask that you share with us any specific AI engineering projects utilising LLMs that you're proud of in your application. Ideally these projects should show off complex and clever architectures or a systematic evaluation of an LLM's behaviour.   You might be a good fit if...

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 We are Citi’s Application, Platform and Engineering team, a start-up with the exciting mission of shaping the direction of travel for the entire bank under the Chief Technology Office, by defining the tech and engineering strategy for the bank. We are a team of talented engineers, product managers and tech SMEs, taking ambiguous concepts and making them real by engineering cutting edge products at planetary scale! We are solely focused on the most modern technology and engineering disciplines such as generative AI, cloud, security, modern app stacks (with Golang, Gatekeeper), open source and the latest and greatest in the Kubernetes ecosystem. Generative AI is a growing space, as a...

Job Overview We are Citi's Application, Platform and Engineering team, a start-up with the exciting mission of shaping the direction of travel for the entire bank under the Chief Technology Office, by defining the tech and engineering strategy for the bank. We are a team of talented engineers, product managers and tech SMEs, taking ambiguous concepts and making them real by engineering cutting edge products at planetary scale! We are solely focused on the most modern technology and engineering disciplines such as generative AI, cloud, security, modern app stacks (with Golang, Gatekeeper), open source and the latest and greatest in the Kubernetes ecosystem.   Generative AI is a growing space, as a result, we ask that you share with us any specific AI engineering projects utilising LLMs that you're proud of in your application. Ideally these projects should show off complex and clever architectures or a systematic evaluation of an LLM's behaviour.   You might be a good fit if...

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 Are you a senior data engineering expert ready to make an impact at a global financial institution? Bring your deep expertise in Ab Initio and ETL development to Citi's Oracle Ledger Data Engineering team, where you'll design and build critical data solutions at the heart of our financial systems. 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 Join the Oracle Ledger Data Engineering team, a cornerstone of Citi's Finance Technology division. Our team is responsible for engineering and maintaining the critical data pipelines that feed into Citi's Oracle General Ledger system, ensuring the accuracy and integrity of the firm's...

If you’d like to be considered for this opportunity we encourage you to apply promptly to avoid disappointment as if applications are high the role will close before the closing date given. Senior Metrology Engineer Closing Date: 16th July 2026 Location: RG30 3RR , located between Reading and Basingstoke, with free onsite parking . Due to the classified nature of the work involved, there are limited opportunities to work from home in this role. It is anticipated that the successful candidate will spend the majority of their time working on site at AWE Burghfield. Package: £ 49,480 - £78,200 per annum ( depending on your suitability, qualifications, and level of experience). Plus role specific allowance. A relocation package may be available (terms and conditions apply). Working pattern: AWE operates a 9-day working fortnight. We will consider flexible working requests so that your work may fit in with your lifestyle. Just...

Job Title: Senior Cloud Network Engineer Type: Full Time / 37.50 hours per week / Hybrid – HO is based in Northampton *You need to live within a reasonable commuting distance to the HO in Northampton – weekly attendance is expected Salary DOE from £55k per annum The closing date for this 20th May or until the right candidate is hired All internal candidates need to attach a full and relevant CV Purpose of Role: We are seeking a Senior Cloud Network Engineer to join our Network Team at Bright Horizons. The role will focus on Microsoft Azure and You will provide support design and maintain our multi cloud infrastructure. You will leverage your expertise in multi-region and multi-cloud network architecture to ensure optimal performance, security and scalability across our cloud environments with emphasis on automation, reliability and governance. What We Can Offer You Our benefits include but are not limited to. Flexible working and holiday...

Location: Crawley, 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. Our work is organised into two portfolios that guide strategic growth in Secure Communication and Protection. The Land Communications team focuses on tactical radio and electronic countermeasures for UK and global markets. Our Security and Naval Communications team draws on over 100 years of partnership with the Royal Navy, delivering an evolving portfolio of integrated voice and data systems that support resilient, mission‑ready communication.  We are looking for a Senior Principal Systems Engineer to lead the delivery of...

Location: BELFAST ARNOTT HOUSE, 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. Title: Senior Cybersecurity Engineer, Enterprise Services Base location: Belfast, Northern Ireland (Hybrid) Special Position Requirements Operational Schedule : Participation in a rotating on-call roster, requiring occasional paid weekend and holiday shifts (averaging once per month). Thales Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billions of digital interactions they have...

Sword is a leading provider of business technology solutions within the Energy, Public and Finance Sectors, dedicated to driving transformational change for our clients. We leverage proven technology, specialist teams, and extensive domain expertise to create robust technical foundations across platforms, data, and business applications. Our mission is fueled by a passion for technology as a means to solve complex business problems and achieve our clients' objectives. About the role: This Data Engineer role offers an excellent opportunity for someone with a good understanding and working knowledge of designing and building robust data pipelines, integrating complex data sources, and developing solutions using Azure Data Services, Microsoft Fabric, Power BI, and Purview. As an experienced Data Engineer, you will handle more advanced engineering tasks, drive improvements to existing pipelines, and contribute to the design of scalable, high quality data architectures....

Job Type: Permanent Build a brilliant future with Hiscox   Reporting to:         Re & ILS Head of Data Location:                 London Type:                       Permanent Role Overview The Lead Data Scientist is a crucial member of the extended RE&ILS Tech Leadership Team, responsible for building, leading, and nurturing a highly capable (New) Data Science and Machine Learning chapter. This role facilitates the successful delivery of new AI Cloud-based solutions against our growing list of business use cases (involving complex Data Analytics, Machine Learning, and AI Agent based solutions). You will co-lead the new Data Science chapter with the RE&ILS Head of Data and help ensure its members provide Data Science capabilities and insights to support decision-making across RE&ILS strategic Value Streams. Whilst the chapter grows, you are expected to be hands-on actively helping to architect, design, and build AI or Data Science-based...

Junior Release Engineer Location: Birmingham, UK (commutable distance required) About FNZ and the Team You’ll be joining the Figaro Release Operations team, part of FNZ’s Operational Support function. We’re responsible for delivering software releases to clients, making sure everything is tested, documented, and ready to go. We also support the environments and tools used by our development and testing teams. This is a great opportunity to start or grow your career in Release Engineering within a supportive, collaborative team. Role Overview As a Junior Release Engineer,   you’ll   help deliver software releases across FNZ   Figaro   platforms, working closely with   internal   teams across Delivery, Product, and Support, and occasionally with our clients’ technical teams.   You’ll   gain hands-on experience in deployment processes, cloud environments, and release management practices.   You’ll   be supported in developing your technical skills while...

As part of our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems. We are going through a very exciting phase of transformation in margin and collateral domains in Markets Technology, and you will be required to participate in the whole spectrum of building a software solution, closely working with product teams and users. We expect you to contribute to our vision of building a strong engineering culture within our global teams. This role is for someone who enjoys solving engineering challenges, has experience in building robust and high-quality solutions, has excellent communication skills and can manage multiple priorities simultaneously. Qualifications: Bachelor’s degree in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in mainly Java, React...

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...

FX Client & Prime - Software Engineer (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. About Citi As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team...

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...

Join Citi’s AI Product & Platform team, a high-growth engineering group operating with a start-up mentality inside one of the world’s largest financial institutions. Working within the Chief Technology Office, you’ll help build the next generation of AI-powered products and platforms that will shape how technology is delivered across the bank. This is an opportunity to work at the forefront of Generative AI, cloud-native engineering and distributed systems, building scalable solutions from the ground up while collaborating with some of the industry’s most talented engineers and AI specialists.   Key Responsibilities Design and build AI-powered products and platforms using Golang. Develop high-performance backend services and APIs that operate at enterprise scale. Build and enhance internal developer tools, frameworks and reusable components. Partner with product, engineering and AI teams to turn innovative ideas into production-ready solutions. Contribute to the design...

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 FX Options Quantitative Analyst is a strategic professional within the Markets Quantitative Analysis (MQA) department with a specialized focus on FX Options modelling. This role contributes to directional strategy by applying deep technical expertise in quantitative modelling, particularly for FX and interest rate products. The ideal candidate will have several years of experience in quantitative model development, demonstrating proficiency in C++ programming and a working knowledge of Python for analytical tasks. This position demands strong analytical capabilities, the ability to communicate complex technical concepts effectively, and the capacity to influence colleagues and stakeholders across the organization. The individual will have a...