9fin

Backend Engineer

9fin
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9 months ago
London, United KingdomSenior

Responsibilities

  • Design systems, develop proof of concepts, and provide technical leadership on engineering projects.
  • Build backend services, APIs, data routing and processing systems, and automation mechanisms.
  • Develop and maintain backend services and web application infrastructure for the 9fin platform.
  • Lead project teams as an individual contributor, conduct code reviews, and mentor junior developers.
  • Research and experiment with new technologies and contribute input to new features and products.
  • Improve the codebase through automation, refactoring, documentation, and maintainable implementation.
  • Collaborate with Product, clients, and cross-functional financial, legal, and editorial teams.
  • Explain complex technical projects to non-technical audiences and support productive team progress.

Requirements

  • Experience with Python and web frameworks, particularly Flask and FastAPI, with typing in Python.
  • Strong experience delivering APIs and working with service-oriented architecture.
  • Good working knowledge of SQL statements for retrieving data.
  • Ability to plan and reason about software within broader systems and business needs.
  • Ability to understand data flows from persistent storage through API endpoints.
  • Ability to write testable, maintainable code and participate in code reviews.
  • Strong collaboration and communication skills with engineering and cross-functional colleagues.

Benefits

  • Competitive salary with bands benchmarked at the top end of the market.
  • Pension contributions of at least 4%, with 9fin matching up to 7%.
  • Private medical insurance, paid sick leave with income protection, and group life assurance.
  • Season ticket loan and Cycle to Work schemes.
  • 25 holiday days per year plus local public holidays, with the option to exchange holidays for alternative days.
  • Hybrid working model with flexibility over where and when to work.
  • Ability to work abroad for up to 3 months per year.
  • One month of paid sabbatical after 5 years of service.
  • Enhanced parental leave and flexible working arrangements.
  • Professional learning and development budget, quarterly team socials, and summer and winter company social events.

Tech Stack

Categories

9fin

About 9fin

501-1,000 employees

9fin builds an AI-driven intelligence platform for the global debt markets, combining real-time news, credit data, and analytics for investment banks, asset managers, advisors, and law firms. It sells subscriptions to tools that centralize deal information, public and private credit data, and workflows across leveraged finance, structured credit, and distressed debt. Founded in 2016 and headquartered in London, the privately held company reports adoption by 300+ financial institutions worldwide.

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