The Department for Business and Trade "DBT" are seeking an AI-focused Technical Architect to lead the design of secure, scalable and reusable AI-enabled solutions. This is an opportunity to work at the forefront of emerging technology, helping DBT turn innovative ideas into practical services that deliver real value across the department. Salary range £67,867 to £81,793 plus excellent Civil Service benefits and 29% employer pension contribution. Flexible, hybrid working from London, Cardiff, Darlington, Edinburgh, Belfast, Birmingham or Salford. About role DBT are seeking an AI-focused Technical Architect to lead the design of secure, scalable and reusable AI-enabled solutions. This role will focus on translating emerging AI capabilities into practical architectures, supporting rapid prototyping, validating concepts and helping successful ideas move from experimentation into production services. You will work closely with AI engineers, data specialists, cyber security...

The Department for Business and Trade "DBT" are seeking an AI-focused Technical Architect to lead the design of secure, scalable and reusable AI-enabled solutions. This is an opportunity to work at the forefront of emerging technology, helping DBT turn innovative ideas into practical services that deliver real value across the department. Salary range £67,867 to £81,793 plus excellent Civil Service benefits and 29% employer pension contribution. Flexible, hybrid working from London, Cardiff, Darlington, Edinburgh, Belfast, Birmingham or Salford. About role DBT are seeking an AI-focused Technical Architect to lead the design of secure, scalable and reusable AI-enabled solutions. This role will focus on translating emerging AI capabilities into practical architectures, supporting rapid prototyping, validating concepts and helping successful ideas move from experimentation into production services. You will work closely with AI engineers, data specialists, cyber security...

Principal Software Engineer (Go / AdTech) Location: West Midlands (Hybrid) Salary: Competitive + Bonus + Equity Options Type: Full-time, Permanent Build the Future of eCommerce GrowthWe're partnering with a rapidly scaling SaaS technology company transforming how eCommerce brands acquire, engage and retain customers. Following significant growth and investment, we're looking for a Principal Software Engineer to help shape the next generation of our advertising and marketing technology platform. This is a strategic technical leadership role where you'll influence architecture, mentor engineering teams, and drive the development of high-scale systems processing significant advertising and customer data volumes across multiple digital channels. If you've built AdTech platforms, worked with advertising APIs, and enjoy solving complex distributed systems challenges, we'd love to speak with you. The RoleAs a Principal Engineer, you'll provide technical leadership across multiple...

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...

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...

AI Solution Architect - Senior Manager/Associate Director Capital Markets Location: Manchester Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13119 Senior AI Solution Architects are required to support the design, implementation and scaling of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI, cloud and data architecture, with experience designing enterprise AI solutions and translating business requirements into scalable technical architectures. You will play a key role in shaping AI architecture strategy, leading technical teams and supporting organisations as they move from strategy and experimentation through to enterprise deployment. You will work closely with AI Engineers, Data Scientists, Enterprise Architects, MLOps teams, business stakeholders and senior leadership to design, deliver and scale AI solutions...

AI Solution Architect - Senior Manager/Associate Director Capital Markets Location: London Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13117 Senior AI Solution Architects are required to support the design, implementation and scaling of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI, cloud and data architecture, with experience designing enterprise AI solutions and translating business requirements into scalable technical architectures. You will play a key role in shaping AI architecture strategy, leading technical teams and supporting organisations as they move from strategy and experimentation through to enterprise deployment. You will work closely with AI Engineers, Data Scientists, Enterprise Architects, MLOps teams, business stakeholders and senior leadership to design, deliver and scale AI solutions that...

AI Solution Architect - Senior Manager/Associate Director Capital Markets Location: Edinburgh Working pattern: Hybrid Salary: Compensation aligned to experience and seniority Ref: J13118 Senior AI Solution Architects are required to support the design, implementation and scaling of advanced AI solutions within financial services and capital markets environments. This role would suit an experienced professional with a strong background in AI, cloud and data architecture, with experience designing enterprise AI solutions and translating business requirements into scalable technical architectures. You will play a key role in shaping AI architecture strategy, leading technical teams and supporting organisations as they move from strategy and experimentation through to enterprise deployment. You will work closely with AI Engineers, Data Scientists, Enterprise Architects, MLOps teams, business stakeholders and senior leadership to design, deliver and scale AI solutions that...

Job Title: Technical Delivery Lead - Data Engineering Lead (Hands-on Python / Databricks) Contract: 6 months - Potentially extension. Location: London Hybrid (5 days in 10 in the office) Rate: Highly competitive Status: Inside IR35 Working pattern: Full time We are seeking an experienced Technical Delivery Lead with strong expertise in Python, Databricks, and Apache Spark to lead the successful delivery of enterprise-scale data engineering initiatives This is a hands-on leadership role combining technical delivery, solution design, and data engineering expertise. The successful candidate will lead the delivery of a greenfield data platform while remaining actively involved in development activities. Essential Skills Proven experience in Data Engineering or Software Engineering. Previous experience in a Technical Lead, Lead Data Engineer, or Technical Delivery Lead position. Strong hands-on expertise with Python. Extensive experience with Databricks,...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London. It is a full-time role, 37 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute to...

iGaming: If it’s iGaming, we know a thing or two. At Light & Wonder, It’s all about the games, and our digital team leads the global iGaming market, providing jaw-dropping content and innovative software that powers the world's most successful online gaming providers. Position Summary The Senior Software Architect is a senior technical leadership role within the iGaming Platform team. This is not a "heads-down coding" role, nor is it a purely advisory one — it sits at the intersection of hands-on delivery and architectural ownership. You will be expected to make and defend design decisions, lead cross-team technical alignment, and ensure the platform scales, integrates, and operates reliably at global scale. You bring established architecture experience, deep software engineering instincts, and the credibility to influence without authority across multiple platform portfolios. You will contribute to the Architecture Review Board (ARB), own Architectural Decision...

Quant Developer – Trading Analytics – Equity Derivatives Tech 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...

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...

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....

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....

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...

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...

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 The Senior Business Analyst position is responsible for understanding business problems, analyzing them thoroughly, finding appropriate solutions and working with development squad to implement them. This BA position requires good analytical knowledge on Fixed Income and...

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...

We are looking for a Java Technical Lead with proven experience building robust, high-performance, large scale Capital Markets applications. Team Background The Derivatives Credit Risk Technology Team is responsible for delivering Counterparty Credit Risk Management software solutions to Citi’s Risk organization which manages Citi’s exposure to financial institutions, governments and corporates that trade with Citi. The team builds and maintains software used to compute metrics that help mitigate Citi’s exposure to counterparty default. The solutions include consumption of trades, collateral, market data, counterparty and security reference data from over 50 sources, and the computation of optimal margin allocation for portfolios and trades, haircut for security and cash collateral, trade and collateral liquidity, collateral concentration levels and wrong way risk, amongst others that feed into the computation of Pre-Settlement Risk (PSE), Settlement Risk, Exposure at Default...