Every query matters. Every millisecond counts. Every system you build shapes the future of data-driven finance.
Join the world’s leading kdb+ consultancy and work at the forefront of data and trading technology with some of the biggest names in Capital Markets. You'll tackle large-scale, complex challenges, contribute to the architecture of business-critical platforms and collaborate with highly skilled engineers who are passionate about technical excellence.
If you're a Senior kdb+ Engineer seeking greater technical ownership, exposure to demanding enterprise environments and the opportunity to shape innovative solutions, we'd love to hear from you.
Job DescriptionAs a Senior kdb+ Developer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll:
- Lead technical delivery on client projects, setting the standard for quality and performance.
- Design and implement robust kdb+ architectures that handle billions of rows of time-series data.
- Collaborate with quants, traders, and analysts to translate business needs into performant, efficient code.
- Mentor and guide junior and mid-level developers, fostering a culture of technical excellence and knowledge sharing.
- Own the full development lifecycle by developing, testing, supporting and maintaining all code for client applications
- Drive innovation by staying ahead of the curve in kdb+, q, and adjacent technologies.
What You Bring
- 5+ years of hands-on kdb+ development, with deep expertise in q and time-series data.
- Proven experience designing and implementing kdb+ architectures and scaling kdb+ systems in production.
- Strong background in Unix/Linux environments and scripting.
- Demonstrated technical leadership and decision-making in fast-paced projects.
- Excellent communication skills to explain complex systems to both technical and non-technical stakeholders.
- Experience in capital markets or investment banking to understand the domain and its demands.
- A passion for clean, performant code and continuous improvement.
Bonus Points For:
- Experience with Python, cloud platforms (AWS, GCP, Azure), or other time-series databases.
- Exposure to tick data, real-time analytics, or electronic trading systems.
- Exposure to AI tooling (Claude, Co-pilot etc)
- People management or team leadership experience.
Why Join Data Intellect?
- Hybrid & flexible working – balance your time between home and our global offices.
- Global opportunities – work with clients in London, New York, Hong Kong, Singapore, and beyond.
- Continuous learning – access to paid training, certifications, and leadership development.
- Clear progression paths – biannual promotion cycles and regular 1:1s to support your growth.
- Healthcare & wellbeing – provider dependent on region.
- Referral bonuses, social events, and more – we work hard and celebrate harder.
About Us
Data Intellect is a specialist data and technology consultancy with deep roots in capital markets. We build high-performance systems that power trading, risk, and analytics for some of the world’s most demanding clients. Our expertise spans kdb+, data engineering, regulatory tech, and enterprise platforms and we’re growing fast.
Fair Employment & Equal Opportunities
We’re proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Accommodations are available throughout the assessment and selection process.
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Data Intellect Belfast, Northern Ireland Office
Belfast, United Kingdom
