Top Tech Jobs & Startup Jobs in London

Leads the EMEA engineering strategy, architecture, development, and operational excellence of low-latency client connectivity, order management, algorithmic trading, and DMA platforms. Manages and mentors distributed engineering teams, partners with senior business and technology stakeholders, defines multi-year roadmaps, and drives resilient, high-performance delivery. Champions engineering quality, automated testing, performance optimization, AI-powered development, Agile practices, CI/CD, monitoring, reconciliation, and application recovery.

The 10-week Citi Services Summer Analyst Program provides training and hands-on experience in market research, financial analysis, business development, client data analysis, product commercialization, process optimization, and stakeholder reporting. Analysts may evaluate AI-enabled tools and automation opportunities, support service improvements, and present data-driven insights to leadership. The program also includes networking, mentorship, and professional development, with potential progression to a full-time Analyst role.

Conducts investment research for Citi Research by maintaining financial models, preparing earnings previews, initiation reports, and deep-dive analyses. Supports investor meetings, consultant calls, and client inquiries while communicating research insights. Assesses business risks, follows regulatory requirements, and contributes to team leadership, coaching, and process improvements. The role requires strong accounting, financial modeling, writing, analytical, and communication skills.

Develop and deploy greenfield full-stack services supporting trader workflow tooling for Citi’s Strategic Equity Solutions business. Responsibilities include designing scalable software, collaborating with business stakeholders, writing high-quality code, mentoring engineers, evaluating new technologies including AI tools, and owning the full software lifecycle through testing, deployment, and monitoring. The role emphasizes Python or Kotlin backend development, frontend frameworks, microservices, Kubernetes, OpenShift, and DevOps practices.

Lead the strategy, discovery, prototyping, development, and industrialization of Generative AI products for Citi’s Investor Services business. Partner with business, operations, data science, engineering, and architecture teams to identify use cases, design scalable AI solutions, guide technical decisions, and move prototypes into secure, compliant production environments. Communicate roadmaps and outcomes to senior stakeholders while managing trade-offs and advancing AI innovation across custody, funds, securities finance, and data solutions.

Develop, maintain and optimize counterparty credit risk applications for derivatives and Basel calculations. Enhance CI/CD (build, test, release), expand and run unit/regression/integration test suites, profile performance/memory, document systems, and collaborate with Quant and Technology teams to integrate model updates and cloud workflows.

Leads global deposit strategy and balance sheet optimization for Citi’s Liquidity Management Services business. Oversees deposit targets, forecasting, planning, beta and sensitivity analysis, KPI development, financial performance tracking, transfer pricing, liquidity optimization, and strategic forums. Partners with Finance, Treasury, Analytics, and regional stakeholders to identify revenue opportunities and manage balance sheet risks. Leads a team of five senior professionals and sets the vision for the Balance Sheet Strategy and Analytics function.

Build and lead production-grade Generative AI software for document extraction, classification, translation, fraud detection, and workflow optimization. Own architecture, technical roadmaps, scalable services, model and prompt evaluation, testing, code reviews, and regulatory requirements including resilience, explainability, and auditability. Mentor engineers and collaborate with Risk, AI platform teams, and senior stakeholders in a regulated banking environment.

Owns credit utility and governance for Citi Services products across Payments, Investor Services, and Issuer Services. Leads intraday credit processes, enterprise governance, approval frameworks, product roadmaps, design workshops, business cases, and platform architecture coordination. Partners with Product, Technology, Operations, Risk, and senior leadership to deliver credit consumption transformations, manage operational risk, and establish scalable future-state capabilities across a global, regulated financial institution.

Lead Citi’s European Clearing product strategy across London or Dublin, covering capability development, payment-product risk, pricing, client propositions, regulatory compliance, product approvals, sales enablement, and market-share growth. The role analyzes business results, supports senior management, provides product expertise and training, collaborates with global and regional teams, and ensures operationally robust product delivery while strengthening client satisfaction and profitability.