Senior KDB+ Developer: High-Performance Data Platforms

Luxoft; Wrocław; On-site; PLN 260,000 - 380,000; Full time

Job summary

Luxoft in Poland is seeking a Senior KDB+ Developer to design, develop and optimize high-performance data platforms built on kdb+. The role focuses on kdb+ tick architecture, low-latency data processing and collaboration with Risk teams to deliver robust solutions.

The ideal candidate has 8+ years of kdb+ production experience, strong q language skills, and a track record of scalable data systems, performance tuning and mentoring peers.

Qualifications

• 8+ years of hands-on kdb+ development in a production environment.
• Strong expertise in q language including table design, in-memory vs on-disk trade-offs, efficient joins.
• Deep understanding of kdb+ tick architecture and patterns.
• Experience with large datasets, performance optimization, and scalable queries.
• Unix/Linux proficiency with shell scripting for automation and ops tooling.
• Familiarity with Agile, CI/CD, version control, and release processes.
• Ability to communicate clearly with both technical and non-technical stakeholders.

Responsibilities

• Design, develop and optimize kdb+ tick systems with scalable data models.
• Build and operate solutions for large, high-frequency datasets with low latency.
• Tune q queries and ingestion pipelines for real-time and historical workloads.
• Collaborate with Risk function teams to translate requirements into code.
• Drive refactoring, benchmarking and adoption of best practices.
• Mentor junior/mid developers and ensure code quality.
• Participate in design reviews, production support and RCA, within an Agile environment.

Skills

KDB+ development

Q language

Data architecture

Performance tuning

Unix/Linux

Agile/CI-CD

Communication

Job description

Luxoft in Poland is seeking a Senior KDB+ Developer to design, develop and optimize high-performance data platforms built on kdb+. The role focuses on kdb+ tick architecture, low-latency data processing and collaboration with Risk teams to deliver robust solutions.

The ideal candidate has 8+ years of kdb+ production experience, strong q language skills, and a track record of scalable data systems, performance tuning and mentoring peers.