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Senior Backend Engineer

London💼 Full-time🗓 2026-09-28 → 2026-09-30

Core

Build and optimize backend services and APIs powering AI tools, search experiences, and data retrieval for global debt market platforms.

Role type

Senior IC backend engineer (AI & Search)

Builds

Backend systems, search infrastructure, and AI integration services for financial institutions

Domain

Financial technology / Debt markets / AI

Deliverable

production ML models

Required skills

Python, FastAPI, Elasticsearch, SQL, Generative AI concepts, System design, Code review, Technical architecture

Preferred skills

NoSQL databases, AWS Lambda, Docker, Pydantic, Automated documentation

Technologies

Python, FastAPI, Elasticsearch, PostgreSQL, AWS, Docker, Pydantic

Responsibilities

Drive development of backend services and APIs for AI tools; Build and optimize backend systems for search performance and scalability; Lead code reviews and mentor junior engineers; Participate in early research and proof-of-concepts for new technologies; Integrate ML/AI prediction services and build data visualization infrastructure; Own projects from scoping to delivery.

Seniority

Senior, hands-on IC

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