KDB Developer - Investment Banking - Contract Or Perm - London

Scope AT Limited; Greater London; Presencial; GBP 110.000 - 170.000; Jornada completa

Descripción de la vacante

Scope AT Limited in London seeks a Senior KDB+ Developer to design and optimize high-performance data platforms built on kdb+. You will work closely with Risk teams to deliver robust, scalable solutions leveraging kdb+ tick architecture.

You bring 8+ years of production KDB+ experience, deep q language expertise, strong Unix/Linux skills, and hands-on CI/CD/Agile practice. You will mentor juniors and help drive engineering excellence across the team.

Formación

• 8+ years hands-on KDB+ development in production systems.
• Deep knowledge of q language, including table design and analytics.
• Expertise in kdb+ tick architecture (ticker plant, RDB, HDB).
• Experience with large datasets and high-performance queries.
• Strong Unix/Linux, shell scripting for automation.
• Familiarity with Agile, CI/CD, and version control.

Responsabilidades

• Design, develop and maintain kdb+ tick systems with scalable data models.
• Build and operate solutions handling large, high-frequency datasets with low latency.
• Analyze and optimize q queries and ingestion pipelines for real-time and historical workloads.
• Collaborate with Risk teams to translate requirements into efficient, scalable code.
• Drive refactoring, benchmarking and adoption of best practices.
• Mentor junior and mid-level developers to raise technical excellence.
• Participate in design reviews, production support and root cause analysis.
• Work in an Agile environment across design, implementation, testing and release.

Conocimientos

KDB+ development

Q language mastery

Tick architecture

Performance optimization

Unix/Linux

CI/CD & Agile

Stakeholder communication

Descripción del empleo

KDB Developer - Investment Banking - Contract or Perm - London

Project description

We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale and close collaboration with business stakeholder - particularly within Risk functions - to deliver robust, efficient and maintainable solutions.

Responsibilities

• Design, develop and maintain kdb+ tick systems with strong understanding of data organization, schema design and the performance implications of different architectural approaches.
• Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput and efficient memory usage.
• Analyze and optimize q queries, data models and ingestion pipelines for both Real Time and historical workloads.
• Collaborate closely with Risk function teams to translate business requirements into efficient, scalable and performant code.
• Drive continuous improvement through refactoring, performance benchmarking and adoption of best practices.
• Mentor and guide junior and mid-level developers, fostering a culture of technical excellence, code quality and knowledge sharing.
• Participate in design reviews, production support and root cause analysis of complex system issues.
• Work collaboratively within an Agile or iterative delivery environment, contributing to design, implementation, testing and release phases.

Skills

Must have

• 8+ years of hands on experience in kdb+ development in a production environment.
• Strong expertise in q language including: table design (splayed, partitioned, segmented), In memory vs on disk trade offs, efficient joins, aggregation and windowed analytics
• Deep understanding of kdb+ tick architecture including ticker plant, RDB, HDB and associated patterns
• Proven experience working with large datasets and optimising queries for performance and scalability
• Strong background in Unix/Linux environments, including Shell Scripting for automation, monitoring and operational tooling
• Solid understanding of software delivery processes and methodologies (Agile, CI/CD, Version control, release)
• Ability to communicate clearly with both technical and non-technical stakeholders, demonstrating systematic reasoning and problem solving skills

Nice to have

• Knowledge of inter process communication mechanism in kdb+ and integration with external systems
• Experience tuning kdb+ systems for low-latency and high availability
• Familiarity with data quality checks, validation frameworks and operational resilience patterns
• Exposure to financial markets data (market data, trading, risk, post-trade workflows, equity asset class)
• passion for writing clean, efficient and well-structured code