Senior Backend Engineer

Technology company revolutionizing debt capital markets by delivering fast and comprehensive financial, credit, legal & ESG analysis.
$100,000 - $160,000
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. As a Senior Backend Engineer, you'll join a company that's revolutionizing how financial data is processed and analyzed. The role involves working with Python, FastAPI, and PostgreSQL to build robust backend services and APIs. You'll lead system designs, mentor team members, and work in cross-functional teams to deliver impactful solutions.

The company serves 9 of the top 10 Investment Banks, leading Asset Managers, Hedge Funds, and Law Firms. You'll be working on diverse platforms handling complex financial data modeling, access control, environmental data, and ML/AI integration. The development environment is modern and efficient, with automated preview environments and feature flags.

The position offers significant growth opportunities in a scaling startup, with competitive compensation including equity options. The work environment is flexible with a hybrid model, allowing you to work abroad for up to 3 months annually. Benefits include comprehensive healthcare, generous parental leave, and professional development support.

You'll be part of a company that values diversity and inclusion, encouraging applications from candidates whose experience might not perfectly align with the job description. The role combines technical excellence with business impact, making it ideal for senior engineers who want to make a difference in the financial technology sector.

Last updated 2 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
  • 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

Equity
Medical Insurance
Dental Insurance
Vision Insurance
401k
Parental Leave
Education Budget
Commuter Benefits
  • Competitive Salary
  • Equity options
  • Pension (4% minimum with up to 7% company match)
  • Private Medical Insurance
  • Paid sick leave with 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 (22 weeks fully paid for birthing parents, 12 weeks for non-birthing parents)
  • Professional learning and development budget of £1250
  • Quarterly team socials
  • Summer and Winter company social events

Interested in this job?

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