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Java​/Python Software Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Tempest Vane Partners
Full Time position
Listed on 2026-02-28
Job specializations:
  • Software Development
    Software Engineer, Java Developer, Cloud Engineer - Software, Backend Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

Our client is a global financial services firm investing in a next-generation capital markets platform. The technology team operates with a flat structure, meaning engineers work directly with traders and operational users rather than through layers of management or product abstraction.

Instead of being tied to a single application, you’ll contribute across a wide range of projects spanning automation, data pipelines, system integrations and core trading workflows.

What You’ll Get

  • Competitive salary and full benefits package
  • Flat team structure with direct access to the business
  • Exposure to front-office trading systems and real-time workflows
  • Opportunity to work across multiple projects and technologies
  • High-impact role where your work is visible and used daily
  • Collaborative, engineering-led culture
  • Office-based role with flexibility for 1 day WFH per week

What You’ll Do

  • Design and build components of a front-to-back trading platform
  • Develop backend services and ETL pipelines using Java and Python
  • Automate workflows across trade processing, reconciliation and reporting
  • Integrate internal systems with external vendors and market data providers
  • Work closely with traders and operations to deliver practical, production-ready solutions
  • Contribute across the full development lifecycle, from design to deployment

What You’ll Need

  • 2–7 years’ experience using Java and/or Python in a commercial environment
  • Strong understanding of databases (e.g. Postgre

    SQL or similar)
  • Comfortable working in Linux-based environments
  • Clear communication skills and interest in understanding how the business operates

Nice to have:

  • Experience with Git or other version control tools
  • Exposure to cloud platforms (AWS, GCP, Azure)
  • Experience integrating with external or vendor APIs
  • Capital markets or trading systems exposure (securities lending, repo, delta-1, derivatives)

This is an ideal role for a Software Engineer who wants to join a lean, high-impact technology team building a modern trading platform used directly by front-office and operations teams. This is a hands-on engineering role offering broad exposure, technical ownership, and visibility across the full trade lifecycle.

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