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NinjaTraderSenior Data Engineer
Data Engineer developing architecture and pipelines for data analytics at NinjaTrader. Empowering analysts and improving business workflows through data - driven solutions.
About the role
- 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
- Expertise in KDB+/q with production systems: GW/RDB/HDB design, sym/partition strategies, attributes, asof/aj/uj, IPC patterns
- Strong skills in q/KDB+; working proficiency in Python/PyKX and ideally Java for integration services
- Solid Linux/UNIX fundamentals (networking, OS tuning) and familiarity with TCP/IP, UDP, Multicast; knowledge of FIX/OUCH/ITCH preferred
- Proven track record of profiling and optimizing for microsecond level latency (e.g., vectorization, batching, zero copy, mmap)
- Strong debugging and production incident response; experience with agile delivery
- Market knowledge is a plus: market microstructure, SORs, algo trading systems
- Nice to have Containers/Kubernetes, CI/CD, cloud (AWS/Azure/GCP), secrets/entitlements, Terraform/Ansible
Benefits
- Benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, lunch subsidy, life insurance, etc.)
- On-line training and certifications fit for career path
- Access to e-learning platform Mindgram - a holistic mental health and wellbeing platform
- Work From Anywhere (WFA) - the temporary option to work remotely outside of Poland for up to 140 days per year (including Italy, Spain, the UK, Germany, Portugal, and Bulgaria)
- Social events
Job title
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