IT & Software

Senior KDB+ Developer

Luxoft

London · Greater London · United Kingdom

Overview

Senior KDB+ Developer to design, build and optimize high-performance data platforms based on kdb+. You will work closely with Risk teams to translate requirements into scalable, low-latency solutions. You will optimize q queries, data models, and ingestion pipelines for real-time and historical workloads. You will mentor juniors, participate in design reviews, and drive continuous improvement in an agile environment. This role offers impact on risk analytics and large-scale data systems in a production setting.

Responsibilities
  • Design, develop, and maintain kdb+ tick systems with attention to data organization and architecture.
  • Handle large-scale, high-frequency datasets ensuring low latency, high throughput, and efficient memory usage.
  • Analyze and optimize q queries, data models, and ingestion pipelines for real-time and historical workloads.
  • Collaborate with Risk function teams to translate business needs into scalable, performant code.
  • Drive refactoring, benchmarking, and adoption of best practices for performance.
  • Mentor junior and mid-level developers to promote technical excellence and knowledge sharing.
  • Participate in design reviews, production support, and root cause analysis of complex issues.
  • Contribute to Agile or iterative delivery processes across design, implementation, testing and release phases.
Key requirements
  • 8+ years of hands-on kdb+ development in production.
  • Strong q language expertise: table design (splayed, partitioned, segmented), in-memory vs on-disk trade-offs, efficient joins, aggregation, windowed analytics.
  • Deep understanding of kdb+ tick architecture (ticker plant, RDB, HDB) and related patterns.
  • Experience with large datasets and optimizing queries for performance and scalability.
  • Proficiency in Unix/Linux and shell scripting for automation and tooling.
  • Solid understanding of Agile, CI/CD, version control, and release processes.
  • Clear communication with both technical and non-technical stakeholders.
  • strong communication and stakeholder management
  • problem solving and systematic reasoning
  • mentoring and knowledge sharing
  • kdb+ development in production environments
  • q language expertise (table design, in-memory vs on-disk, joins, aggregation, windows)
  • kdb+ tick architecture (ticker plant, RDB, HDB)

Reference: WJ-747_30166242

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