Seniorkdb+Developer

## Senior kdb+ Developer – BestX We are seeking an experienced **Senior kdb + Developer** to join the BestX engineering team. In this role, you will design, build, and optimise high‑performance data platforms using kdb+, supporting BestX’s multi‑asset analytics capabilities. The ideal candidate brings deep expertise in kdb+ tick architectures, large‑scale performance tuning, and works closely with quantitative and engineering teams to deliver robust, efficient, and maintainable solutions. ### Key Responsibilities * Design and develop key components of BestX’s multi‑asset analytics platform. * Architect, build, and maintain kdb+ tick systems, with strong consideration for data organisation, schema design, and architectural trade‑offs. * Develop and operate systems that process large‑scale, high‑frequency datasets, ensuring low latency, high throughput, and efficient memory utilisation. * Analyse and optimise q queries, data models, and ingestion pipelines for both real‑time and historical workloads. * Apply modern Agile development practices across cloud‑based, server‑side, and database‑driven systems. * Build a strong 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. * Establish and promote best practices, clean code standards, and sound design patterns. * Act as a change agent, continuously improving engineering standards and ways of working. * Champion Test‑Driven Development and “shift‑left” practices to support effective CI/CD pipelines. ### Core (Must‑Have) Skills and Experience * 5+ years of hands‑on kdb+ development experience. * Strong 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 technologi