56 lead ai engineer jobs found

About the Team Join Citi’s Enterprise AI Products team, a small, high-impact global team building innovative AI solutions for the wider bank. We are at the forefront of Agentic AI , developing capabilities that enable data sharing across agent ecosystems, support new Agentic AI use cases and shape modern AI architecture through purpose-built tooling. This is an opportunity to work at the intersection of cutting-edge technology and real business impact.   The Role We are looking for a seasoned Lead AI Engineer to combine hands-on engineering and architecture with strong business engagement. You will work directly with business partners to understand real-world problems, translate them into technical solutions and support successful delivery and adoption of our AI platforms.   This is a senior role within a deliberately flat team where you will have significant ownership and influence. You will help shape the platform strategy and roadmap, while gaining exposure to...

Citi is looking for a Lead AI Engineer to drive the design, development, and delivery of advanced AI-powered applications within a high-impact global technology team. In this senior role, you will shape the technical direction of AI initiatives, mentor engineers, and build intelligent systems that directly influence how Citi leverages data and automation at scale.   Responsibilities Architect and develop AI-driven applications and data pipelines using Python, ensuring solutions are scalable, maintainable, and aligned with the broader technology strategy. Lead the design and implementation of Retrieval-Augmented Generation (RAG) systems and agent orchestration frameworks to deliver intelligent, context-aware solutions. Partner with technology and business stakeholders across multiple teams to identify system enhancements and translate requirements into robust technical implementations. Define and enforce coding standards, testing practices, and implementation processes...

End Date Saturday 10 October 2026 Salary Range £102,864 - £154,296 We support flexible working – click here for more information on flexible working options Flexible Working Options Flexibility in when hours are worked, Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE: Golang Lead Engineer SALARY: £84,624 - £128,580 (dependent on location and expereince) LOCATION(S): London and Bristol HOURS: Full time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of your time, at one of our office sites. About this opportunity We are looking for a Golang Lead Engineer to lead the technical development and delivery of backend services that are reliable, secure, scalable and easy to operate! This role sits within Software Engineering and offers the opportunity to shape the Group's Mobile Security Core and wider backend capabilities. You'll combine hands-on...

End Date Friday 09 October 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: ML/AI Engineer SALARY: £72,702 - £80,000 per annum LOCATION: Manchester 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 our Manchester office. About this opportunity… Exciting opportunity for a hands-on ML/AI Engineer to join our Data & AI Engineering team. You’ll build, automate, and maintain scalable systems that support the full machine learning lifecycle. You will lead Kubernetes orchestration, CI/CD automation (including Harness), GPU optimisation, and large‑scale model deployment, owning the path from code commit to reliable, monitored production services This is a unique...

26996794 - Senior Software Engineer – Ultra Low Latency Risk Engine Developer   Overview Citi Equities Technology | Equities Electronic Execution (Electronic Trading) Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Lead Developer to join the Equities Electronic Execution (Electronic Trading) technology team. This role is focused on the design, development, and delivery of Citi's next-generation low-latency Risk Engine for cash equities and its integration into the broader execution platform — encompassing the Centralised Position Service, Client Connectivity, Market Access layers, and high-throughput market data processing.   Role Overview The engineer will own critical, latency-sensitive risk-checking components that sit directly in the cash equities trading hot path, ensuring pre-trade and real-time risk controls are enforced with microsecond-level performance while maintaining correctness and...

Senior Front-End Developer (React)  – Equity Derivatives Technology – 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 / The Team  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...

The Role   The   Head of Product Engineering, HR Total Rewards   is a senior product and engineering leader   reporting directly to the   Head of HR Technology ,   accountable for   defining the product vision and   building, scaling, and operating a high-performing organization of approximately 50 resources across multiple autonomous pods and enabling capability teams.   This role spans custom-built product engineering, oversight of dozens of third-party SaaS applications, and the end-to-end transformation of how the workforce uses AI to improve productivity, quality, and decision-making. The leader must remain   deeply grounded in hands-on product and engineering judgment — including the   expectation to stay actively involved in coding, code review, prototyping,   AI -assisted development , internal developer platforms,   vendor platforms,   and modern engineering practices — while expanding accountability to   product vision,...

Overview:  Finance Technology is a critical driver of Citi’s growth and transformation, delivering the platforms, engineering capabilities, and technology solutions that power the bank’s strategic objectives. We partner across the enterprise to modernize core financial systems, accelerate innovation, and create scalable solutions that support both today’s priorities and tomorrow’s opportunities. Our teams are leading a large-scale technology transformation, reimagining legacy ecosystems through cloud-ready architectures, data-driven platforms, automation, and next-generation engineering practices. By leveraging best-in-class technologies, we simplify complex business processes, enhance operational efficiency, strengthen controls, and enable compliance with evolving regulatory requirements. At Finance Technology, we are redefining how technology empowers Finance, and other global functions. Our products and platforms are built on Citi’s strategic architecture principles,...

EMEA Head of Client Connectivity Engineering (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.  Equities Technology 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...

FTSE Russell is a leading global provider of financial services, specialising in the creation and management of indexes, data, and analytic solutions. As part of the London Stock Exchange Group (LSEG), we support investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Our products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. Job Summary We're seeking a Senior Software Engineer to join the team building next-generation distribution capabilities for our index products. You'll be delivering index data to the global financial community across multiple channels including APIs, cloud data platforms, file-based delivery, and AI-native protocols. Reliability, security, and data quality are non-negotiable as we build out scalable, cloud-native infrastructure. The ideal candidate is a self-sufficient, technically...

End Date Tuesday 29 September 2026 Salary Range £84,624 - £126,936 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 Senior Lead Engineer - Advanced Engineering SALARY:   £84,624 - £105,780 LOCATION(S): Manchester, Bristol, Edinburgh, Leeds HOURS: Full time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of your time, at one of our office sites. About this opportunity The new Advanced AI Engineering team is seeking Principal Engineers to join. The purpose of the team is to evaluate emerging AI technologies and methods, build MVPs, and hand over proven solutions for engineering at scale. A key priority is enabling the Group to create industry-leading AI-powered products and services that drive customer engagement and service excellence! You'll...

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  Risk Data Team  is a high-impact, globally distributed technology and data engineering unit operating at the intersection of risk management, big data, and cloud-native platform engineering. As a critical pillar within the  Institutional Data Platform (IDP)  and the...

End Date Tuesday 13 October 2026 Salary Range £72,702 - £80,780 We support flexible working – click here for more information on flexible working options Flexible Working Options Flexibility in when hours are worked, Hybrid Working, Job Share Job Description Summary Help defend one of the UK's largest organisations against evolving cyber threats. As a Detection & Response Engineer in Lloyds Banking Group's Cyber Defence Centre, you'll play a key role in protecting the organisation from cyber threats by leading complex investigations, identifying malicious activity, and enhancing our detection and response capabilities. Working alongside experienced cyber defence professionals, you'll act as a technical specialist contributing to the identification, investigation, containment and remediation of security incidents whilst continuously improving how we detect and respond to threats. You'll combine deep expertise with a curious and analytical perspective...

End Date Tuesday 13 October 2026 Salary Range £72,702 - £80,780 We support flexible working – click here for more information on flexible working options Flexible Working Options Flexibility in when hours are worked, Hybrid Working, Job Share Job Description Summary Help defend one of the UK's largest organisations against evolving cyber threats. As a Detection & Response Engineer in Lloyds Banking Group's Cyber Defence Centre, you'll play a key role in protecting the organisation from cyber threats by leading complex investigations, identifying malicious activity, and enhancing our detection and response capabilities. Working alongside experienced cyber defence professionals, you'll act as a technical specialist contributing to the identification, investigation, containment and remediation of security incidents whilst continuously improving how we detect and respond to threats. You'll combine deep expertise with a curious and analytical...

Engineer the future of global payments. At Citi, our Tech team doesn't just support payments – 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 payments with Citi Tech. What We Do / The Team: Our Production Application Support team is at the heart of Citi's daily operations, ensuring the stability, quality, and performance of mission-critical applications used across the firm. We operate globally, working closely with business users, traders, internal technology...

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....

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 AI solutions for the wider bank.   We are at the forefront of Generative AI, delivering capabilities that enable safe and efficient use of Generative AI at scale. We create services, applications and libraries that power the use of Intelligent Document Processing to drive real-world business impact. The Role This is a senior role within a deliberately flat team structure. You will be expected to take ownership, bring fresh thinking, and collaborate closely with colleagues across disciplines to deliver outcomes that genuinely make a difference.   You will write bulletproof, production-grade code — not prototypes — to solve novel problems that sit at the frontier of applied Generative AI. Typical problem spaces you'll work on include intelligent data extraction from unstructured and semi-structured documents, content...

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,...

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....