We’re working with a growing energy technology company in Barcelona looking to add a Software Developer to its team. This is an opportunity for a developer with 2–4 years of professional experience who wants to apply their software skills within the energy sector, with exposure to areas such as battery storage, solar and energy markets. Responsibilities

Develop and maintain software across a technology stack including

Python, Rust, React and TypeScript . Contribute to both backend and frontend development . Work with

PostgreSQL for application data and database requirements. Support the development and integration of

APIs and data pipelines . Use

Docker, Git and Make within the development environment. Collaborate with the wider team to develop and improve software solutions for the energy sector . What we’re looking for





2–4 years of professional software development experience. Experience with

Python and/or

Rust . Exposure to

React and TypeScript . Experience working with

PostgreSQL . Solid foundations in

Docker, Git and Make . Experience with

APIs and data pipelines would be advantageous. Previous exposure to

BESS, solar, energy markets or the wider energy sector would be a strong advantage. Professional working proficiency in

English . Equity options. Hybrid working –

60% office / 40% remote . Barcelona-based. If you’re a software developer interested in combining technology with the energy transition, I’d be keen to hear from you.

📌 Junior Software Engineer (Madrid)
🏢 Smart4 Energy
📍 Madrid