Senior kdb+ Developer

Data Intellect; London; Hybrid; GBP 85,000 - 120,000; Full time

Job summary

A leading data consultancy in London is seeking a Senior kdb+ Developer to lead technical delivery on critical projects. The ideal candidate will have over 5 years of experience in kdb+ development and a solid understanding of capital markets. This role involves mentoring junior developers and driving innovation in a hybrid work environment.

Benefits

Hybrid & flexible working

Global opportunities

Continuous learning

Healthcare & wellbeing

Referral bonuses and social events

Qualifications

• 5+ years of hands-on kdb+ development with expertise in q and time-series data.
• Experience in designing and implementing kdb+ architectures and systems in production.
• Strong background in Unix/Linux environments.

Responsibilities

• Lead technical delivery on client projects, setting the standard for quality and performance.
• Design and implement robust kdb+ architectures for large datasets.
• Mentor junior developers and foster a culture of technical excellence.

Skills

kdb+ development

q

Unix/Linux

communication skills

capital markets knowledge

Tools

Python

AWS

GCP

Azure

Job description

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Company Description

Every query matters. Every millisecond counts. Every system you build shapes the future of data-driven finance.

At Data Intellect, we thrive on solving complex data challenges in high-stakes environments. We're a team of engineers, problem-solvers, and collaborators who believe in pushing boundaries, not egos.

If you're a seasoned kdb+ developer ready to lead, innovate, and make an impact, we want to hear from you.

Job Description

As 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.
• 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.

Qualifications

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-you can explain complex systems to both technical and non-technical stakeholders.
• Experience in capital markets or investment banking-you 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.
• People management or team leadership experience.

Additional Information

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.

Ready to lead the next generation of kdb+ solutions?

Challenge Accepted. Apply now.

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