Senior KDB Developer - Global eTrading

Delta Capita Group; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A global managed services provider in London seeks a professional for a 12-month contract role focused on building an eTrading MI and Analytics platform. Responsibilities include developing core components, partnering with quantitative teams, and implementing robust features. Ideal candidates will have strong expertise in kdb+, experience with TDD/BDD, and the ability to process large datasets. The position offers a hybrid work model with a minimum expectation of 3 days in-office. A valid UK working permit is mandatory.

Qualifications

• Strong expertise in q and experience building performant kdb+ solutions.
• Deep understanding of kdb+ tick architecture, real‑time capture, and historical data access patterns.
• Experience with Test‑Driven Development (TDD) or Behaviour‑Driven Development (BDD).
• Ability to process, query, and analyse large‑scale market and trade datasets.

Responsibilities

• Develop core components of the Global eTrading MI & Analytics platform.
• Partner with quantitative teams to deliver solutions.
• Contribute to the design and architecture of tick data frameworks.
• Implement robust API‑based features.
• Drive automation across processes.
• Support continuous delivery and high‑availability production environments.

Skills

Strong expertise in q and kdb+ solutions

Understanding of kdb+ tick architecture

Experience with TDD or BDD

Ability to process large market datasets

Good grasp of statistical concepts

Exposure to Software Development Lifecycle

Experience with additional programming languages

Job description

Location: London, Hybrid

Role Type: 12 Month Contract

Rate: £700 - £1000 per day

This is a client facing role working in a specialised team responsible for building and enhancing a high‑performance eTrading MI and Analytics platform. The platform captures, stores, and analyses extremely large volumes of real‑time and historical data over 3TB / 5 billion records daily from multiple electronic trading venues, internal pricing streams, and execution systems.

The team provides the golden source of MI, analytics, and quantitative research support for global stakeholders across risk, quant, trading, and sales. The platform also underpins regulatory reporting, large‑scale data processing pipelines, and backtesting workflows.

This is a high performance, globally distributed environment, running hundreds of concurrent production services with multiple daily releases.

Key Responsibilities

• Develop core components of the Global eTrading MI & Analytics platform
• Partner with quantitative teams and electronic trading technologists to deliver fit‑for‑purpose solutions
• Contribute to the design and architecture of tick data frameworks, data access layers, feed handlers, and scalable analytics solutions
• Implement robust API‑based features and contribute to shared libraries and reusable components
• Drive automation across metrics, builds, testing, and deployment processes
• Support continuous delivery and high‑availability production environments

Skills and Experience Required

• Strong expertise in q and experience building performant kdb+ solutions
• Deep understanding of kdb+ tick architecture, real‑time capture, and historical data access patterns
• Experience with Test‑Driven Development (TDD) or Behaviour‑Driven Development (BDD), focusing on specification‑based testing
• Ability to process, query, and analyse large‑scale market and trade datasets, including time‑series and tick‑level data
• Good grasp of statistical concepts, market microstructure, and electronic trading data
• Exposure to the full Software Development Lifecycle, including automation, CI/CD, deployment, and support
• Experience with at least one additional programming language (OO or functional) is highly valued

How We Work

Delta Capita is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, colour, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. If you require any reasonable adjustments through your interview process, please use the designated space within the application questionnaire.

This is a contract role located in London. As the selection and interview process is ongoing, please submit your application in English as soon as possible; if your profile is selected, a member of our team will contact you within 4 weeks. For this role, a valid working permit for the UK is mandatory.

Expectations regarding hybrid working

As we are a Service Provider and Consulting firm servicing clients, our policy for physically working from the office (which may be the clients' offices or our own offices depending on the client) aligns to what our clients' policies and expectations are and these vary. Most of our clients now require a minimum of 3 days per week in the office, 2 days from home, and accordingly this is also the minimum expectation that Delta Capita requires.

Who We Are

Delta Capita Group (a member of the Prytek Group) is a global managed services, consulting, and solutions provider with a unique combination of experience in Financial Services and technology innovation capability. Our mission is to reinvent the financial services value chain providing technology based mutualized services for financial institutions for non‑differentiating services.

Our 3 offerings are

• Managed Services
• Consulting & Solutions
• Technology

To know more about Delta Capita and our culture, please note that this description reflects the information available and may be updated.