Senior Backend Engineer

Technology company revolutionizing debt capital markets by delivering fast and comprehensive financial, credit, legal & ESG analysis.
Backend
Senior Software Engineer
Hybrid
51 - 100 Employees
5+ years of experience
Finance

Description For Senior Backend Engineer

9fin is transforming the debt capital markets through innovative technology solutions. As a Senior Backend Engineer, you'll join a company that's tackling the challenge of modernizing the world's largest asset class. You'll work with Python, FastAPI, and PostgreSQL to build and maintain critical financial data systems. The role offers significant technical challenges, from complex financial data modeling to ML/AI integration.

The position provides an opportunity to lead projects, mentor team members, and shape the technical direction of a growing fintech company. You'll work in cross-functional teams, collaborating with financial, legal, and editorial experts to deliver high-quality solutions. The company's modern tech stack and developer-friendly environment, including automated preview environments and feature flags, enable rapid iteration and development.

9fin offers an attractive compensation package including equity options, comprehensive healthcare, and significant professional development opportunities. The hybrid working model provides flexibility, with options to work abroad for up to 3 months annually. The company culture emphasizes growth, learning, and work-life balance, with regular team social events and a generous holiday allowance.

This role is perfect for experienced backend engineers who want to make a significant impact in financial technology while working with modern tools and practices. The company's client base includes top investment banks, asset managers, and law firms, providing exposure to high-stakes, meaningful projects in the financial sector.

Last updated 3 months ago

Responsibilities For Senior Backend Engineer

  • Lead projects by defining and designing systems
  • Build proof of concepts and deliver new service functionality
  • Development on backend services and web application hosted tools
  • Run code reviews and mentor other developers
  • Provide input for new features and products
  • Improve the codebase through automation, refactoring and documentation
  • Collaborate in cross-functional teams

Requirements For Senior Backend Engineer

Python
PostgreSQL
TypeScript
  • Experience operating as a Senior IC Engineer, leading systems design and infrastructure discussions
  • Ability to plan and reason about software effectively
  • Hands-on experience designing data flow through software
  • Experience with Python and its web frameworks (FastAPI with strong typing & Pydantic)
  • Strong experience delivering APIs, Service Oriented Architecture
  • Good working knowledge of SQL statements
  • Strong collaboration and communication skills

Benefits For Senior Backend Engineer

Medical Insurance
Dental Insurance
Vision Insurance
Equity
Parental Leave
Education Budget
Commuter Benefits
  • Competitive Salary
  • Equity options
  • Pension with company matching up to 7%
  • Private Medical Insurance
  • Income Protection
  • Group Life Assurance
  • Season Ticket Loan & Cycle to Work schemes
  • 25 holiday days per year
  • Work abroad for up to 3 months a year
  • 1 month paid sabbatical after 5 years
  • Enhanced parental leave
  • Professional learning budget of £1250
  • Quarterly team socials
  • Summer and Winter company social events

Interested in this job?

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