97 jobs found in London

We are seeking a senior  Python Developer  within  Risk Technology  to join a multi-year strategic initiative: the design and delivery of  AI-enabled automation across the end-to-end quantitative model lifecycle , covering all market risk and credit risk models. This is a hands-on engineering role at the core of the program. You will design and build the tooling and services that power AI-assisted model documentation, automated model testing and validation workflows, large-scale risk data analysis, and model lifecycle management. You will work closely with quantitative analysts, model validators, data engineers, and the program leadership to translate workflow automation requirements into robust, production-grade solutions.   Key Responsibilities Engineering & Delivery Design, develop, and maintain Python-based services, pipelines, and tools supporting automation of the quantitative model lifecycle across market risk and credit risk model families. Build and...

Are you passionate about translating complex finance and technology challenges into clear, actionable architecture? We are building out a Business Architecture practice to guide transformational IT improvements supporting Citi's global Finance functions. The Business Architect (VP) will apply solid functional domain knowledge and architecture experience to help define and evolve Citi's Finance functional architecture, contributing to current-state documentation and future-state design with a growing focus on AI and automation. Responsibilities Collaborate with Finance and Shared Services to document current and future-state business architectures, anchored to business processes and functions Work alongside data architects to map data dependencies and support alignment of data architecture — including Finance-wide data vision, governance, and platform direction — with business architecture objectives Engage technical partners to align investments to target state...

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...

End Date Thursday 17 September 2026 Salary Range £0 - £0 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Market Risk Engineering Developer LOCATION(S): London HOURS: Full-time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites About this opportunity Join a multi-skilled rapid application development team embedded in the business, enhancing capability through collaborative solution delivery. Take your place in the Traded Risk Rapid Application Development team where you'll work with multi-skilled software engineers, risk, change and operational SME’s. As an Application Developer, apply your significant experience software development skills and broader technical expertise to deliver and support...

Skills and Competencies 12+ years of software engineering experience, including 5+ years leading engineering teams and delivering complex, large-scale, multi-team initiatives with measurable business impact Experience leading multiple teams or groups of teams, including managing engineering managers, technical leads, and staff-level engineers with accountability for delivery outcomes across a portfolio Strong technical depth in TypeScript, Python, C#, or similar technologies, with the ability to engage credibly in architecture and code reviews, challenge design decisions, and assess technical risk Deep expertise in enterprise AI applications built on large language models, including agents, retrieval augmented generation, orchestration frameworks, model optimization, and evaluation frameworks Hands-on experience building AI/ML applications (RAG, agent frameworks, MCPs, skills, harnesses) and taking them to production or in platforming (LLM or MCP gateway, agentic runtime,...

Skills and Competencies 8+ years of experience in software engineering, with deep hands-on experience designing, coding, testing, and operating scalable, resilient, production-grade backend systems and cloud-native services Expert-level coding capability in modern programming languages such as Python, TypeScript, Go, or similar, with the ability to personally contribute high-quality production code while guiding technical direction Deep hands-on expertise building enterprise AI applications using large language models, AI agents, retrieval-augmented generation, prompt engineering, orchestration frameworks, evaluation methods, and model optimisation techniques Proven ability to take complex AI solutions from prototype to production, making practical engineering trade-offs across performance, scalability, reliability, security, maintainability, and cost Expert knowledge of cloud platforms such as Amazon Web Services, Google Cloud Platform, or Microsoft Azure, with strong...

Skills and Competencies 5+ years of software engineering experience designing, coding, testing, and operating production-grade backend services and cloud-native applications Strong coding proficiency in TypeScript, Python, C#, or similar technologies, with experience building scalable application programming interfaces, microservices, and distributed systems Practical experience building enterprise AI applications using large language models, including agents, retrieval augmented generation, orchestration frameworks, and model optimization Demonstrated ability to own services, components, or features end to end, from technical design through production deployment and ongoing operation with limited supervision Hands-on experience with cloud-native technologies, serverless applications, event-driven architectures, data pipelines, relational and NoSQL databases, vector databases, observability tooling, and automated deployment pipelines Solid understanding of algorithms,...

End Date Monday 14 September 2026 Salary Range £72,702 - £80,780 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Senior UX Designer (12 Month FTC) SALARY: The salary banding is £72,702 - £80,780 LOCATION: London HOURS: 35 hours, full time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites. About this opportunity We’re looking for someone who can work collaboratively alongside a full design team and take full ownership of their design output. They will be confident when presenting their work to stakeholders, and able to adapt designs to reflect their feedback and feedback from user research and usability testing. What will I be doing? Skilfully craft the...

The Senior Cloud & Platform Engineering Lead will own and drive the design, delivery, and operational excellence of enterprise cloud platforms and migration initiatives. This role plays a critical part in advancing LSEG Post Trade’s cloud strategy, with a strong focus on AWS, Kubernetes (EKS), automation, and cloud-native engineering . You will lead high-performing engineering teams, shape platform strategy, and ensure secure, scalable, and resilient cloud services. This is a hands-on leadership role requiring both technical depth and strategic influence across engineering, architecture, and business partners. What You’ll Do Lead the design, build, and optimisation of AWS-based cloud platforms, including EKS, Kubernetes, networking, identity, and observability capabilities supporting enterprise-scale workloads Drive cloud migration programmes end-to-end , including application assessment, readiness analysis, refactoring strategies, and transition planning...

Role Profile FTSE Russell is a leading global index provider, creating and managing benchmark, analytics and data solutions used by asset owners, asset managers, investment banks, ETF providers and other financial institutions worldwide. The role sits within the Equities & Multi-Asset Index Research & Design team, a global group responsible for the development, design, research and enhancement of index methodologies, analytics and investment solutions. The team works closely with Engineering, Technology, Data Operations, Product, Sales and clients to deliver innovative index capabilities and analytical solutions. We are seeking a highly technical and versatile Senior Analyst, Quantitative Research & Development who enjoys solving problems across quantitative development, data analysis, research and operational delivery. This is a hands-on role requiring the ability to switch rapidly between priorities: one day developing a Python research tool or AI-enabled...

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a senior hands-on role for an individual who combines deep technical expertise with strong stakeholder management skills and a passion for engineering excellence. You will be responsible for defining architecture, establishing engineering standards, overseeing delivery, and ensuring solutions are scalable, secure, maintainable, and aligned to business objectives. Working closely with architects, engineering teams, business stakeholders, and senior leadership, you will help shape our technology strategy while mentoring engineers and promoting a culture of quality, accountability, and continuous improvement. Requirements Key Responsibilities Lead Solution Architecture & Design – Own the design and architecture of...

This is a chance to be at the heart of a major transformation within a global financial leader. We are building new GenAI-powered solutions from the ground up, and we're looking for a skilled full-stack engineer to help us shape the future of our technology. You will work on high-impact projects and be part of a collaborative and forward-thinking team. Key Responsibilities: Build impactful GenAI solutions:   Within your first year, you will contribute to the design and delivery of our new GenAI platforms, directly impacting the productivity of thousands of developers. Shape our technical direction:   You will contribute to the technical vision for our full-stack ecosystems, encompassing the frontend, backend, APIs, cloud services, and platform components. Collaborate and innovate:   You will work closely with technology and business partners to align our application strategy with organisational priorities and deliver key business projects with significant operational...

D ata Security Assurance Lead Division: Operations Department: Cyber and Information Resilience Salary: National (Edinburgh and Leeds) ranging from £57,000 to £77,000 and London from £63,000 to £85,000. (Salary offered will be based on skills and experience) This role is graded as: Lead Associate, Regulatory Your external recruitment contact is Raimonda via [email protected] Your internal recruitment contact is Fizah via [email protected] Applications must be submitted through our online portal. Applications sent via social media or email will not be accepted. About the FCA and team  We regulate financial services firms in the UK, to keep financial markets fair, thriving and effective. By joining us, you’ll play a key part in protecting consumers, driving economic growth and shaping the future of UK finance services.  Cyber and Information Resilience (C&IR) is responsible for the management of cyber security at the FCA....

End Date Tuesday 22 September 2026 Salary Range £76,760 - £115,140 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working Job Description Summary . Job Description JOB TITLE: Backend Software Engineer SALARY: £76,760 - £95,950 LOCATION: Hybrid (London) HOURS: Full Time (35 Hours) WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office sites. Colleagues with disabilities can be supported with workplace adjustments including hybrid working expectations in line with our Flexibility Works policy. What you’ll be doing… As a Backend Software Engineer, you’ll build elegant, performant, maintainable, operable and secure Golang microservices that power innovative financial products and services. You’ll collaborate closely with product, engineering and business stakeholders to...

Skills and Competencies 6+ years of experience in Data Engineering, Analytics Engineering, Solution Engineering, or related disciplines within enterprise environments 4+ years of hands-on experience designing and implementing solutions on the Databricks Lakehouse Platform Strong expertise in Apache Spark, SQL, Python, Delta Lake, and modern data engineering practices Experience building and optimizing Extract, Transform, Load and Extract, Load, Transform data pipelines for scalable analytics and artificial intelligence use cases Proven knowledge of data modeling, data governance, data quality management, and enterprise data architecture principles Experience integrating cloud and software-as-a-service platforms such as Salesforce, Microsoft Power BI, Snowflake, and Microsoft Fabric Working knowledge of Git, continuous integration and continuous delivery pipelines, DevOps practices, and automation frameworks Demonstrated proficiency in artificial intelligence concepts,...

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 Are you a visionary problem solver with a passion for creative thinking and deep technical expertise in data and AI? Do you thrive in a dynamic, collaborative environment, working at the forefront of innovation? Citi is seeking an exceptional, hands-on Product Manager to lead the charge in developing and launching transformative Generative AI solutions within our Securities Finance business within Investor Services. This is a unique role operating at the intersection of product, operations, and technology. Reporting to the Head of Data & AI Product, you will be a key partner in accelerating our ambitious data analytics, commercialization, and AI roadmap. You will not only define the "what" but also drive and engage in the "how," accelerating...

Join Citi's XVA Technology team in London as a Lead Software Engineer at Vice President level, and take on a role at the intersection of advanced software engineering and AI-driven innovation — at a firm where your code, your decisions, and your ideas operate at global scale. This role is built for a hands-on engineer with deep AI and software development expertise who can independently set and drive a technical agenda — building production systems, embedding intelligent tooling, and owning project outcomes across a complex, high-impact domain. You will work alongside high-calibre engineers and engaged business partners to architect, build, and deliver solutions that redefine how XVA risk is calculated and managed globally. Responsibilities Design, build, and maintain scalable, high-performance software solutions for XVA risk systems, writing and reviewing production-quality code while ensuring alignment with enterprise architecture standards. Build and integrate AI and...

About the Team The Enterprise AI Products team is a small, high-impact global team within the Citi COO/CTO organisation, dedicated to building innovative solutions for the wider bank. We are at the forefront of Agentic AI, delivering capabilities that enable data sharing across agent ecosystems, supporting Agentic use cases, and shaping modern Agentic architecture through purpose-built tooling. Our work sits at the intersection of cutting-edge AI and real-world business impact. The Role We are looking for a  seasoned Lead Engineering Developer  to join our team. This person will perform a role of working with the business on how to use our tools, understanding real business problems in detail to dive changes to our platform and support the business in successful commercial deployments of the tools that we provide. They will have architect and development responsibilities across our AI enabled platform. This is a senior role within a deliberately flat team structure. You...