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Backend Engineer

London💼 Full-time🗓 2025-11-14 → 2026-09-29

Core

Technical leadership for backend services, API design, and data processing systems powering global debt market analysis and automation.

Role type

Senior Backend Engineer (Technical Lead)

Builds

Backend services, web application tools, and automation mechanisms for the 9fin AI platform.

Domain

Financial technology / Debt markets

Required skills

Python, Flask, FastAPI, API design, Service Oriented Architecture, SQL, PostgreSQL, AWS, Docker, code review, system architecture

Preferred skills

ML/AI prediction services integration, data modelling, environmental data handling, automated documentation

Technologies

Python, Flask, FastAPI, Typing, PostgreSQL, AWS, AWS Lambda, Docker, AWS ECS

Responsibilities

Define and design systems, write code and lead team delivery, implement APIs and data routing, run code reviews and mentor juniors, refactor and document codebase, collaborate with cross-functional teams on financial data projects

Seniority

Senior, hands-on IC with leadership responsibilities

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