Junior/Mid‑Level Developer

Permanent employee, Full-time · London

Your role

Overview

Contribute to APIs, services, and workflow orchestration while growing across the stack.
Focus on Python/FastAPI and Prefect, with opportunities to learn Go/Rust.

Responsibilities

Implement and test FastAPI endpoints, integrations, and internal SDK utilities.
Build and maintain Prefect flows and tasks; add retries, concurrency limits, and result handling.
Write clean SQL queries and migrations for MySQL/PostgreSQL; add Redis caching where it helps.
Add unit/integration tests and contribute to GitLab pipelines and code reviews.
Troubleshoot production issues with guidance; add logs/metrics and follow runbooks.
Document features and participate in agile rituals.

How we work
Tooling: Python, Go, Rust; GitLab; Kubernetes; Prefect; FastAPI; MySQL/PostgreSQL; Redis.
Practices: trunk/MR‑based development, code reviews, automated testing, incremental delivery, and on‑call participation appropriate to level.
Environment: collaborative, documentation‑driven, and data‑informed; emphasis on reliability, security, and developer experience.

Your profile

You have:

1–3 years of professional software development experience.
Proficiency in Python; familiarity with FastAPI or another modern web framework.
Basic SQL and schema design; familiarity with Redis concepts.
Git fundamentals and comfort with GitLab MR workflow; eagerness to learn CI/CD.
Understanding of containers and the basics of running apps on Kubernetes.
Willingness to learn Prefect and, over time, contribute to Go/Rust components.

Nice to have:

Exposure to async Python, type checking (mypy/pyright), and testing frameworks (pytest).
Basic frontend experience with TypeScript and a modern framework.

Apply for this job

About us

Stelia is building a global distributed intelligence platform empowering enterprises to integrate and scale AI’s limitless potential. By optimising data mobility and connecting diverse AI resources, Stelia simplifies distributed AI operations, making them accessible anywhere. Committed to innovation, collaboration, and simplicity, we enable enterprises to lead the AI revolution and drive transformative change across all sectors.

Apply for this job