Senior KDB+ Developer - Low-Latency Data Platforms

Luxoft; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Luxoft is seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The role emphasizes kdb+ tick architecture, low latency and close collaboration with Risk stakeholders to deliver robust, scalable solutions.

The ideal candidate will bring 8+ years of production kdb+ experience, deep Q language knowledge, and a proven ability to mentor juniors while delivering impactful changes in an Agile environment.

Qualifications

• 8+ years of hands-on kdb+ development in production systems.
• Strong Q language skills: tables (splayed/partitioned), in-memory vs on-disk trade-offs, joins, and analytics.
• Deep knowledge of kdb+ tick architecture and related patterns.
• Experience with large datasets, performance tuning, and scalability.

Responsibilities

• Design, develop and maintain kdb+ tick systems with solid data organization and performance awareness.
• Build and operate solutions handling large scale, high-frequency datasets with low latency.
• Analyze and optimize q queries, data models and ingestion pipelines for real-time and historical workloads.
• Collaborate with Risk teams to translate requirements into efficient, scalable code.
• Drive continuous improvement through refactoring, benchmarking and best practices.
• Mentor junior and mid-level developers in technical excellence and code quality.
• Participate in design reviews, production support and root cause analysis of complex issues.
• Work in an Agile environment, contributing across design, implementation, testing and release.

Skills

KDB+ development

Q language

Tick architecture

High performance

Unix/Linux

CI/CD & Agile

Stakeholder communication

Job description

Luxoft is seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The role emphasizes kdb+ tick architecture, low latency and close collaboration with Risk stakeholders to deliver robust, scalable solutions.

The ideal candidate will bring 8+ years of production kdb+ experience, deep Q language knowledge, and a proven ability to mentor juniors while delivering impactful changes in an Agile environment.