Remote | 3 month (initial)

Day rate DOE | Outside IR35

Role overview

We are seeking a Senior Backend Engineer to support the development of a public sector investment technology system used to manage the distribution of public funds.

The role will focus on the data layer, database migrations and third-party financial integrations within a bespoke grants and investment management platform.

This is a hands-on backend engineering role suited to someone with strong Python, Postgres and async backend experience, particularly in environments where reliability, data integrity and maintainability are critical.

Key responsibilities

• Owning and improving the backend data layer.
• Managing database schema changes and migrations.
• Supporting third-party financial and compliance integrations.
• Building, maintaining and debugging async backend services.
• Working with Redis for session management and caching.
• Developing and debugging scheduled background jobs and async task queues.
• Supporting wider engineering quality, maintainability and production readiness.

Essential experience

• Strong backend engineering experience, ideally with Python-based services.
• Explicit experience with Alembic or equivalent Python database migration tools.
• Experience with Asyncpg or similar async Postgres drivers.
• Good knowledge of Redis for session management and caching.
• Experience building and debugging scheduled background jobs.
• Experience with async task queues and asynchronous service patterns.
• Experience integrating compliance or financial APIs, such as KYC, AML or payment processing, would be beneficial.
• Knowledge of Postgres Row Level Security or Cloudpathlib for Azure Blob Storage would be advantageous.