Senior Python Backend Engineer - Fintech, Hybrid Benefits

Fundment; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Pension 6% employer contribution

BUPA Private Health Insurance

Medicash Cashplan

Travel insurance

Life Assurance 4x base salary

Employee Assistance Programme

28 days annual leave + bank holidays

Paid compassionate leave

Enhanced paternity/maternity/adoption

Jury service

Hybrid working arrangements – 3 days/w

Jury service

Job summary

Fundment is transforming the UK wealth management landscape with a modern Python backend powering APIs and data-driven workflows. We are seeking an experienced Python Software Engineer to design, build, and evolve backend services that support client-facing features and internal operations.

You will collaborate across cross-functional teams, own complex problems, and ship production-grade code with a strong emphasis on security and observability.

Qualifications

• 5+ years of production Python experience.
• Strong REST APIs and async patterns.
• SQL and relational DBs at scale.
• Clean, robust architecture and scalable systems.
• Experience in SaaS/fintech; cloud bonus.

Responsibilities

• Design, build, and maintain APIs and backend services.
• Develop data-driven workflows and integrations with third-party systems.
• Shape technical direction and plan for scalability and reliability.
• Write clean, maintainable, observable, and secure code.
• Investigate complex issues across distributed systems and drive fixes.
• Collaborate with Product, Operations, and engineers to translate business needs.
• Mentor peers and contribute to engineering culture.

Skills

Python

REST APIs

Async

SQL

GCP

Tools

FastAPI

Pydantic

SQLAlchemy

Pandas

NumPy

Job description

Fundment is transforming the UK wealth management landscape with a modern Python backend powering APIs and data-driven workflows. We are seeking an experienced Python Software Engineer to design, build, and evolve backend services that support client-facing features and internal operations.

You will collaborate across cross-functional teams, own complex problems, and ship production-grade code with a strong emphasis on security and observability.