Senior KDB+ Data Engineer – Financial Trading Analytics

This role is for a client of ITDS, a leading company in the financial trading industry focused on institutional trading and investment analytics. The job is based in Krakow with a hybrid work model allowing up to 3 remote days per week.

• Minimum 5 years experience with large volume datasets in production.
• Expertise in optimizing data queries for low-latency, high-volume environments.
• Strong knowledge of Unix/Linux, Bash, Python, and version control (Git).
• Experience in FX, Rates, Credit, Equities, or Commodities trading environments.
• Understanding of electronic trading, pricing, and risk management concepts.
• Familiarity with CI/CD pipelines, automated testing, and deployment.
• Excellent problem-solving and debugging skills in production systems.
• Understanding of secure coding practices, data protection, and operational risk.

Strong plus:

• Prior experience with kdb+ or time-series databases.
• Experience supporting AI/ML or advanced analytics platforms.
• Knowledge of anomaly detection, signal generation, or time-series analytics.
• Background in global investment banking or electronic trading firms.

• Develop and optimise kdb+ processes and queries for low-latency, high-throughput trading analytics.
• Build analytical and aggregation layers for downstream systems, APIs, and AI/ML models.
• Expose kdb+ data via APIs and services to front-end and AI engines.
• Collaborate with AI/data engineering teams for machine learning training and inference datasets.
• Implement monitoring, alerting, and capacity planning for production kdb+ environments.
• Ensure resilience, failover, and disaster recovery for market-facing trading systems.
• Partner with traders, quants, and product teams to translate business needs into technical solutions.
• Follow policies on operational risk, data governance, security, auditability, and access controls.
• Contribute to code reviews and establish best practices in kdb+ development.

Only candidates with an existing legal right to work in the European Union will be considered for this role.