> Markdown version of [/jobs/ext/3061851-quantitative-analyst-developer-multi-desk-low-latency-electronic-execution-citi](https://www.wearedevelopers.com/jobs/ext/3061851-quantitative-analyst-developer-multi-desk-low-latency-electronic-execution-citi). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Quantitative Analyst / Developer - Multi-Desk & Low-Latency Electronic Execution - Citi - **Company:** Citigroup Inc. - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Algorithmic Trading, Computer Programming, Databases, Python (Programming Language), System Programming, Information Technology, Low Latency - **Published:** September 25, 2026 - **Apply:** https://www.reed.co.uk/jobs/quantitative-analyst-developer-multi-desk-low-latency-electronic-execution-citi/57390563 ## About the Role We are seeking a Quantitative Analyst/Developer to join our electronic execution team and drive the development of our cash equity algorithmic trading platforms. In this role, you will design and optimize high-performance trading systems using Java and Rust, directly impacting our internal and agency trading desks. If you are a collaborative problem-solver with a passion for market microstructure and quantitative research, you will thrive in our innovative and fast-paced environment., * Experience in the development or performance enhancement of execution algorithms, or a comparable quantitative modeling and analytics role. * Strong technical and programming skills in Java, Python, and kdb. * Demonstrated ability to communicate complex technical and quantitative concepts clearly and concisely, both in writing and verbally. * Master's or PhD degree in Financial Mathematics, Computer Science, Physics, or a related quantitative field, or equivalent practical experience in a relevant field. * Commitment to driving compliance with applicable laws, rules, and regulations, while applying sound ethical judgment in all business practices. Beneficial skills and qualifications * Familiarity with Rust or other modern systems programming languages. * Knowledge of EMEA equity market microstructure and electronic trading dynamics. * Experience working with high-frequency data and time-series databases. ## Description * Develop and support our electronic execution platform for the cash equity algorithmic trading business using Java, Rust, or other cutting-edge technologies. * Conduct microstructure research and analysis of EMEA equity markets leveraging mathematical finance, statistics, and probability. * Build backtesting frameworks and prototype quantitative research projects on algorithmic trading topics using Python and kdb. * Monitor, analyze, and optimize platform performance to ensure ultra-low latency and high throughput. * Collaborate closely with internal traders, sales trading, execution advisory services, and technology professionals to deliver robust trading solutions. * Partner with control functions, including Legal, Compliance, Market and Credit Risk, Audit, and Finance, to maintain appropriate governance and control infrastructure. * Uphold a culture of responsible finance, good governance, supervision, expense discipline, and ethical conduct. * Assess risk and reward of transactions when making business decisions, demonstrating proper consideration for the firm's reputation and safeguarding its clients and assets., * You will have global opportunities to grow your career locally or explore international experiences with opportunities around the world. * You can expect a hybrid work model that supports in-office collaboration while providing remote flexibility. * You can grow through our investment in professional development, including training programs, mentorship, and skill-building opportunities. * You can leverage comprehensive employee wellness and well-being programs, including medical coverage, mental health resources, and initiatives promoting a healthy, balanced life. * You will benefit from competitive retirement planning contributions and investment options to support your long-term financial goals, alongside parental and family support programs. ## Related Videos - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Swapping Low Latency Data Storage Under High Load](https://www.wearedevelopers.com/videos/746-swapping-low-latency-data-storage-under-high-load) - [Is it still C#? Practical systems programming with .NET (war stories included)](https://www.wearedevelopers.com/videos/100138-is-it-still-c-practical-systems-programming-with-net-war-stories-included) - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Quantum DevOps - Quantum Application Development](https://www.wearedevelopers.com/videos/1441-quantum-devops-quantum-application-development) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [The Fastest-Growing Tech Sectors to Look Out for in 2025](https://www.wearedevelopers.com/magazine/373-the-fastest-growing-tech-sectors-to-look-out-for-in-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025)