Senior Quant Algo Developer

Company: 3761 Barclays – BX – UK
Apply for the Senior Quant Algo Developer
Location: London
Job Description:

Job Summary

Senior Quant Algo Developer at Barclays supporting the Equity Flow Derivatives business. Build a modern algorithmic volatility trading stack and markets‑facing analytics. Work with traders, developers, quants, compliance and risk teams to manage risk and positively impact revenue generation.

Responsibilities

  • Design, develop and improve software using industry‑aligned programming languages, frameworks, and tools.
  • Ensure code is scalable, maintainable, and optimised for performance.
  • Collaborate cross‑functionally with product managers, designers and other engineers to define software requirements, devise solution strategies and ensure seamless integration and alignment with business objectives.
  • Participate in peer code reviews and promote a culture of code quality and knowledge sharing.
  • Stay informed of industry technology trends and innovations and contribute to technical communities.
  • Adhere to secure coding practices to mitigate vulnerabilities, protect sensitive data and ensure secure software solutions.
  • Implement effective unit‑testing practices to ensure proper code design, readability and reliability.

Qualifications

  • Algo development experience with low‑latency modern C++.
  • Experience with data engineering practices using KDB+/q.
  • Practical knowledge of volatility trading and market microstructure in equity derivatives.
  • Master’s or PhD in a STEM field (math, statistics, computer science) – preferred.
  • Machine learning and optimisation theory.
  • Competent level of Python and Rust.
  • Assessments may cover risk and controls, communication skills, stakeholder interaction and technical domain knowledge.

Location: London office.

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Posted: May 30th, 2026