Citi - United Kingdom, IT - Software Development

Senior Backend Python Engineer sought to architect scalable backend systems for a global financial institution’s AI Platform in London. You will design and deploy production-grade code using FastAPI, Kubernetes, and CI/CD, focusing on knowledge graph automation in Credit Risk. Requires deep Pytho...

Senior Data Scientist sought for a hands-on individual contributor role within Credit Risk Technology at a global financial institution in London. You will develop and deploy advanced Machine Learning solutions, from concept to production, with a focus on responsible AI and model governance. Key ...

Join Citi’s Equities Technology team in London as a Low Latency E-Trading Software Engineer. You will design and deliver next-gen electronic execution platforms, including Algorithmic Trading and Smart Order Routing. We seek expertise in Java, C++, or Rust with strong low-latency system design sk...

Citi seeks an Equities Cash Application Support Senior Manager for its London trading floor. You will provide L2 support for mission-critical trading applications, leveraging expertise in FIX Protocol, Python, Perl, and SQL. This role demands strong trade floor support experience and analytical s...

Seeking a **Data Architecture Lead** in **London, UK** to drive backend systems design and programming. This senior role requires proven expertise in **Data Architecture**, **Data Modelling**, and **PL/SQL performance tuning**. You will lead complex projects using **Python**, **Oracle**, **Snowfl...

Lead Solution Architect, SVP, in London, UK. Drive finance technology transformation by designing end-to-end architectural solutions for Oracle SaaS (GL, AFCS, ARCS, FCCS). Lead a team, develop blueprints for system integration and legacy deprecation. Enjoy 27+ days holiday, bonus, and private me...

Lead AI innovation at Citi in London as an AI Development Lead – Director. Drive advanced solutions using Java, Microservices, Cloud, and Big Data within a global finance leader. Manage agile teams, shape system architecture, and enjoy 27+ days holiday, bonus, and private medical. Engineer the fu...

Senior Python Developer, Vice President role at Citi in London, driving counterparty credit risk applications within the Analytical Calculation Engine (ACE) team. Expert-level Python, derivatives pricing, and CI/CD skills required. Collaborate with Quant and Front Office teams on distributed comp...

Senior Business Analyst sought for Exotic Interest Rate & Credit Derivatives in Belfast. Drive end-to-end delivery of complex trade processing solutions within the FiTP application. Requires proven BA/QA experience, SQL, XML, and strong communication with trading desks. Benefit from 27+ days holi...

Senior IT Business Analyst needed in London to drive structured products technology at Citi. Leverage your expertise in equity derivatives, OTC, and trade lifecycle to bridge business and tech teams. You will define requirements for pricing, risk, and processing systems. Enjoy a hybrid model, 27 ...

Lead Java Developer (VP) at Citi in London. Engineer mission-critical systems for global finance, influencing $5 trillion daily transactions. Requires extensive Java, distributed systems, and leadership experience. Benefit from hybrid work, 27 days leave, private medical care, and a discretionary...

Join Citi’s Numerical Performance Group as a Quantitative Developer in London. You will design and optimise high‑performance C++ libraries (roots) for pricing and risk, using CUDA, Python, and AAD. Ideal candidates have strong C++ skills, expertise in numerical analysis, and low‑level optimisatio...