Junior Software Engineer: Build the Creator OS & AI Tools

Flight Agencies; Greater London; On-site; GBP 32,000 - 52,000; Full time

Job summary

Steven.com is seeking a Junior Software Engineer in London to join a fast-moving team. You will design and ship features across frontend, backend, and infrastructure with a bias toward action and ownership. This role offers exposure to AI/ML tooling and a chance to grow in a founder-like environment.

You will work under the VP of Engineering and collaborate across internal products and external production projects, contributing to a culture of quality, fast iteration, and robust systems.

Qualifications

• One to three years of professional experience or a portfolio of self-directed projects.
• Strong grounding in frontend, backend, and infrastructure concepts.
• Interest in AI/LLM–driven product experiences.

Responsibilities

• Design, build, and ship end-to-end product features across frontend, backend, and infrastructure.
• Prototype quickly, run experiments, and move core product metrics.
• Own systems in production, including debugging, performance, and reliability.
• Use AI/ML tools and LLM-based APIs to build intelligent product experiences.
• Contribute to engineering culture through code quality, documentation, and active review participation.

Skills

Full-stack development

TypeScript

React

Node.js

Python

SQL/NoSQL

API design

AI/ML awareness

Portfolio / self‑directed projects

Education

CS degree or equivalent

Tools

GitHub

Open source

Job description

Steven.com is seeking a Junior Software Engineer in London to join a fast-moving team. You will design and ship features across frontend, backend, and infrastructure with a bias toward action and ownership. This role offers exposure to AI/ML tooling and a chance to grow in a founder-like environment.

You will work under the VP of Engineering and collaborate across internal products and external production projects, contributing to a culture of quality, fast iteration, and robust systems.