kdb+/q Developer

kdb+/q Developer

** This role is open to candidates on W2 or 1099**

Duration: 6 months (potential for extension)

Location: New York, NY

Work Arrangement: Fully onsite

Hours: 8:00 AM – 5:00 PM

About the Role

Our client is seeking an experienced kdb+/q Developer to join a trading data infrastructure team supporting real-time and historical market data.

This is an early-stage platform buildout where the successful candidate will have significant ownership over architecture and design decisions. The role involves building and supporting real-time and historical market data infrastructure for trading teams, including the migration of an existing OneTick environment to a kdb+ tick architecture.

This is a full-stack kdb+ role , with ownership across the tickerplant, RDB, HDB, gateways, feedhandlers, pricing pipeline, and deployment tooling. The position also provides direct exposure to traders and quantitative teams, working closely with front-office users to develop data and analytics solutions.

Key Responsibilities

• Architect, extend, and maintain the kdb+ tick stack, including tickerplant, RDB, HDB, gateways, and feedhandlers.
• Lead migration from OneTick to kdb+, including data modeling, historical backfill, feed cutover, user migration, and decommissioning.
• Maintain and extend market data feedhandlers and internal fair-value feeds.
• Own the fair-value/pricing data pipeline and related analytics.
• Design and operate a multi-terabyte HDB environment, including partitioning, sym management, compression, load balancing, and query performance.
• Work directly with traders and quantitative teams on requirements, prototyping, and production analytics.
• Translate business and trading requirements into robust, reusable q code.
• Own the release and deployment process for the platform.
• Provide production support, incident response, and root-cause analysis.
• Establish and maintain standards for code quality, testing, and documentation across the q codebase.

Required Qualifications

• 5+ years of production kdb+/q experience within sell-side or buy-side trading infrastructure.
• Deep knowledge of kdb+/q, including the language, memory model, IPC, and performance optimization.
• Strong software development fundamentals, including testing, modular design, code review, and documentation.
• Strong understanding of kdb+ tick architecture, including tickerplant/RDB/HDB topology, feedhandlers, gateways, entitlements, and log replay.
• Strong ability to write clean, structured, and maintainable q code.
• Strong Git skills and solid SDLC practices.
• Ability to deliver high-quality code in a fast-paced trading environment.
• Strong Linux and Bash skills, including production process management, scripting, and OS-level troubleshooting.
• Experience working directly with front-office users, including traders and quantitative teams.
• Strong ownership and problem-solving skills with the ability to work independently in an evolving platform environment.

Nice to Have

• Experience with cloud-based kdb+ deployments, particularly AWS .