KDB Developer

KX; Greater Lincolnshire; On-site; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Private healthcare package andEmployee

Employee Assistance Programme

Enhanced maternity and paternity

Job summary

KX is seeking an experienced kdb+ Developer to join our Professional Services team in Lincolnshire. You will design, develop and optimize high-performance data solutions using kdb+ and q, working with large time-series datasets and real-time processing for diverse customers.

The role requires at least three years of hands-on kdb+/q development, strong Unix/Linux, Git and CI/CD familiarity, and the ability to work independently while collaborating with engineers and customer teams.

Qualifications

• Minimum 3 years of hands-on commercial kdb+/q development experience.
• Strong understanding of q programming language and kdb+ data structures.
• Experience with time-series data and large-scale data processing.
• Proficiency in Unix/Linux environments and Git workflows.
• Ability to work independently while collaborating with engineers and customer teams.
• Desirable: Python or other programming languages.
• Experience with cloud technologies (AWS/Azure/GCP) and CI/CD pipelines.

Responsibilities

• Design, develop, test and maintain applications and data processing solutions using kdb+ and q.
• Develop and optimise real-time and historical data processing, storage and analytical capabilities.
• Build and maintain data ingestion pipelines, queries and interfaces to other systems.
• Investigate and resolve technical issues, including performance bottlenecks and data integrity problems.
• Collaborate with KX colleagues and customer engineering teams to translate requirements into working solutions.
• Contribute to solution design, code reviews, testing and technical documentation.

Skills

kdb+

q

Time-series processing

Unix/Linux

Git

Tools

Git

CI/CD

Containers

Job description

KX software powers the time-aware data-driven decisions that enable fast-moving companies to outpace competitors, realising the full potential of their AI investments. The KX platform delivers transformational value by addressing data challenges related to completeness, timeliness and efficiency, ensuring companies understand change over time and can achieve faster, more accurate insights at any scale, cost-effectively.

KX is essential to the operations of the world's top investment banks, aerospace and defence, high-tech manufacturing, healthcare and life sciences, automotive and fleet telematics organisations. The company has established offices and a robust customer base across North America, Europe, and Asia Pacific.

About the Role

KX is seeking an experienced kdb+ Developer to join our Professional Services team, supporting the development and delivery of high-performance data solutions for our customers.

This is a hands-on engineering role suited to someone with at least three years of practical kdb+/q development experience who enjoys solving complex technical problems, working with large datasets and building reliable, high-performance applications.

You will work alongside KX engineers, technical specialists and customer teams to design, develop, optimise and maintain data-driven solutions. The role offers an opportunity to apply your kdb+ skills beyond traditional financial services applications, working on technically challenging projects where performance, reliability and security are important.

Key Responsibilities

• Design, develop, test and maintain applications and data processing solutions using kdb+ and q.
• Develop and optimise real-time and historical data processing, storage and analytical capabilities.
• Build and maintain data ingestion pipelines, queries and interfaces to other systems.
• Investigate and resolve technical issues, including performance bottlenecks, data integrity problems and application defects.
• Collaborate with KX colleagues and customer engineering teams to translate technical requirements into working solutions.
• Contribute to solution design, code reviews, testing and technical documentation.
• Follow established software development practices, including version control, testing, deployment and release management.
• Support the delivery and ongoing improvement of reliable, maintainable and secure software solutions.

Essential Skills and Experience

• Minimum 3 years of hands-on commercial experience developing applications using kdb+ and q.
• Strong understanding of the q programming language, kdb+ data structures and query optimisation.
• Practical experience working with time-series data and real-time or large-scale data processing.
• Experience developing, debugging and optimising kdb+ applications.
• Proficiency working in Unix/Linux environments.
• Familiarity with Git, software development lifecycles and standard development practices.
• Strong analytical and problem-solving skills, with the ability to investigate and resolve complex technical issues.
• Ability to work independently while collaborating effectively with other engineers and technical teams.
• Clear communication skills and confidence engaging directly with customers and technical stakeholders.

Desirable Skills and Experience

• Proficiency in Python or other programming languages.
• Experience integrating kdb+ with external applications, APIs and data sources.
• Familiarity with cloud technologies such as AWS, Azure or GCP.
• Experience with containerisation, CI/CD pipelines and automated testing.
• Experience delivering software in Defence, Government, aerospace or other regulated environments.
• Understanding of secure software development practices and working within security-controlled environments.

Location

Candidates not already based in Lincolnshire must be willing to relocate/commute two to three times weekly.

Security Requirements:

Due to the nature of the work and security requirements, this role is open to UK nationals only. Applicants must be able to evidence UK nationality and satisfy the relevant vetting requirements.

Existing security clearance is advantageous but is not a prerequisite.

Why Choose KX

Data Driven: We lead with instinct and follow fact.

Naturally Curious: We lean in, listen and learn fast.

All In: We take ownership, take on challenges and give it our all

• Private healthcare package and Employee Assistance Programme
• Enhanced maternity and paternity package