Skills

Python PostgreSQL GitHub Docker Kubernetes Architecture Programming Autonomy Agile GCP Flask FastAPI GitHub Actions Mathematics

Job Specifications

Backend Software Engineer – Python / FastAPI / Event Driven Architecture

Location: London, UK (Hybrid)

Type: Full-time

Level: Mid to Senior

Salary: £70,000 to £100,000

About the Role:

This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users to generate, visualise, and explore thousands of design alternatives. Faster and more intelligently than ever before.

This company is a spin-out from one of the UK’s most successful startups, built by top-tier engineers and developers from industry leading teams. We’re looking for a software engineer who enjoys writing clean, functional code and is genuinely passionate about real-world engineering not just building software, but helping change how things are designed and built.

Tech Stack within the engineering environment:

Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker
Infrastructure: GitHub Actions, GCP, Kubernetes (optional)
Paradigms: event-driven architecture

Responsibilities

Build and maintain backend services using FastAPI and Python for geometry, simulation, and data workflows
Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features
Follow functional programming practices to write testable, composable code
Own features from idea to implementation to deployment
Contribute to architectural decisions in a fast-moving, early-stage product

Requirements

Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics, or a related technical field
2+ years of experience building web applications in a production environment
Strong experience with Python and API frameworks (FastAPI, Flask, etc.)
Comfort or interest in functional programming principles and clean code architecture
A genuine interest in engineering and the physical world
Ability to thrive in a startup or agile environment with autonomy and ownership

Backend Software Engineer – Python / FastAPI / Event Driven Architecture

About the Company

Tiro Partners is an innovative, enthusiastic and fast-growing global staffing agency dedicated to placing exceptional permanent and contract candidates within the IT and Engineering Sectors. As we have grown we have expanded our network until it now encompasses permanent and contract recruitment across the UK, Netherlands and Germany. It’s our mission to change both the lives of our candidates, and the businesses of our clients, for the better. That means identifying and attracting talented professionals who do more than ... Know more