kdb+ Contractor

INTRODUCTION.

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

At [Employer hidden], 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 Details.

Reference: REF175H

Department: Time Series Data

Location: Belfast Office Suite 5, Sturgeon Building, 9-15 Queen Street, Belfast, BT1 6EA

Contract Type: Contract

Experience: Mid-Senior Level

Industry: Information Technology And Services

Closing Date: 01/06/2026

Requirements.

What You Bring

• Deep expertise in hands-on kdb+/q development and time-series data solutions
• 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.

Responsibilities.

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.

You'll know if you're up to the challenge

our Benefits.

Hybrid working.

The commute can be a pain, but there's really no virtual replacement for sitting around a whiteboard with teammates. We offer hybrid working, with flexbility around in-office or from-home, allowing our people to achieve a good work/life balance.

REFERRAL SCHEME.

We love to see referrals coming through for people that could add to the ever growing [Employer hidden] team. Referring a friend means cash for you!

Travel opportunities .

We offer opportunities to work globally in locations such as London, New York, Hong Kong, Singapore and Japan- with all expenses paid!

Healthcare cover.

We provide private health care via Benenden Health, including 24/7 GP, Mental Health helpline, medical diagnosis and treatment, and physiotherapy.

Holiday entitlement

We get up to 27 days leave, public holidays, compensatory days off, and holiday carry over (different holiday entitlements apply depending on region)

Continual professional development.

We have extensive training ranging from leadership to technical skills. Monthly 1-2-1s with your People Leader will support and guide you in the right direction. We run an internal promotion process twice a year.

Find out more

our Benefits.

• Holiday entitlement We get up to 27 days leave, public holidays, compensatory days off, and holiday carry over (different holiday entitlements apply depending on region)
• Continual professional development. We have extensive training ranging from leadership to technical skills. Monthly 1-2-1s with your People Leader will support and guide you in the right direction. We run an internal promotion process twice a year.
• Hybrid working. The commute can be a pain, but there's really no virtual replacement for sitting around a whiteboard with teammates. We offer hybrid working, with flexbility around in-office or from-home, allowing our people to achieve a good work/life balance.
• REFERRAL SCHEME. We love to see referrals coming through for people that could add to the ever growing [Employer hidden] team. Referring a friend means cash for you!
• Travel opportunities . We offer opportunities to work globally in locations such as London, New York, Hong Kong, Singapore and Japan- with all expenses paid!
• Healthcare cover. We provide private health care via Benenden Health, including 24/7 GP, Mental Health helpline, medical diagnosis and treatment, and physiotherapy.
• Holiday entitlement We get up to 27 days leave, public holidays, compensatory days off, and holiday carry over (different holiday entitlements apply depending on region)
• Continual professional development. We have extensive training ranging from leadership to technical skills. Monthly 1-2-1s with your People Leader will support and guide you in the right direction. We run an internal promotion process twice a year.
• Hybrid working. The commute can be a pain, but there's really no virtual replacement for sitting around a whiteboard with teammates. We offer hybrid working, with flexbility around in-office or from-home, allowing our people to achieve a good work/life balance.
• REFERRAL SCHEME. We love to see referrals coming through for people that could add to the ever growing [Employer hidden] team. Referring a friend means cash for you!

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