KDB Developer

Overview

GFT is hiring a Senior KDB Developer to join our client’s Global Markets Data & Analytics organization. You’ll design, build, and deploy time series systems powering pre trade, at trade, and post trade analytics across Equities, FX, and Rates. The role combines hands on q / KDB+ engineering with performance optimization and collaboration across Trading, Quant, and Platform teams. You will lead end to end development of low latency market data capture and analytics services in KDB+ / q, integrate with upstream market / exchange feeds and downstream trading analytics, and improve resiliency, latency, and throughput of GW / RDB / HDB tiers. You’ll be part of a global delivery team (GFT + client) operating in a fast paced, production critical environment.

Work mode

Hybrid work mode from one of our locations — 2 days per week on-site (Łódź, Warsaw, Kraków, Poznań, or Wrocław). However, we’re also open to candidates based outside these locations who prefer to work remotely.

Responsibilities

• Drive the design and development of real time market data and analytics services on KDB+ / q (GW / RDB / HDB / tickerplant, pub / sub, CEP)
• Own technical delivery : requirements, solution design, coding, testing, deployment, and production support in low latency environments
• Collaborate with Traders, Quants, and Technology to deliver high performance analytics (asof joins, windowed analytics, intraday aggregations)
• Optimize for latency and throughput (IPC, memory layout, partitioning, attributes, OS tuning, NUMA, hugepages)
• Implement and harden ETL pipelines for tick capture and reference data enrichment; integrate with Kafka and streaming services where applicable
• Contribute to coding standards, code reviews, and test automation for q / KDB+ (including PyKX integration points)
• Ensure observability (metrics, tracing, logging), production readiness, and on call excellence.
• Risk & Compliance : Appropriately assess risk in decisions, protect client reputation and assets, comply with applicable laws, regulations, and policies, apply sound ethical judgment, and escalate issues transparently

Requirements

Nice to have

We offer

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