State Street

Financial Services

Seniorkdb+Developer,VicePresident

London, United Kingdom FULL TIME Remote Friendly
The Brief

“Senior kdb+ Developer, Vice President at State Street. Skills: kdb+, q, Python, AWS, high-performance data platforms, large-scale performance tuning, quantitative analysis. Design and develop key components of BestX’s multi‑asset analytics platform. Architect, build, and maintain kdb+ tick systems”

What You'll Achieve.

deliver robust, efficient, and maintainable solutions; ensuring low latency, high throughput, and efficient memory utilisation; improve execution quality and meet evolving regulatory requirements at scale

Industry & Context.

Financial Services
Problems you'll solve

large-scale performance tuning; analyse and optimise q queries, data models, and ingestion pipelines; architectural trade-offs

What They're Looking For.

Must Have

5+ years of hands-on kdb+ development experience, expertise in kdb+/q and Python, Proficiency with modern data science toolchains, including Jupyter, pandas, NumPy, scikit-learn, with applied machine-learning experience, Solid understanding of parallel computing frameworks such as Slurm or equivalent technologies, background in quantitative analysis, including mathematical modelling, statistics, regression, and probability theory, Bachelor's or Master's degree in Computer Science, Mathematics, Statistics, or a related STEM discipline from a top-ranked university, Hands-on experience with AWS and/or other modern cloud-based infrastructure

Nice to Have

Domain knowledge in FX, Fixed Income, Equities, or Equity Derivatives, Additional expertise with kdb+ in complex, production-scale environments, Exposure to modern JavaScript build toolchains, including Node. js, npm, Rush, Yarn, Webpack, Babel, and Cypress

What You'll Do.

Design and develop key components of BestX’s multi‑asset analytics platform

and maintain kdb+ tick systems

Develop and operate systems that process large‑scale

high‑frequency datasets

Analyse and optimise q queries

and ingestion pipelines

Apply modern Agile development practices across cloud‑based

and database‑driven systems

Build a understanding of Transaction Cost Analysis (TCA) and key regulatory benchmarks required for MiFID and MiFIR

Take full ownership of deliverables

driving work through from design to production

How You'll Work.

Team & Collaboration

works closely with quantitative and engineering teams; work on complex, high-performance systems alongside leading engineers, quants, and product teams

Process & Methodology

Agile development practices

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