Full stack software developer, developer python

At VREY , we’re finally bringing solar energy to over 3 million multi-family buildings in Germany by developing the Energy OS for apartment buildings . We support property owners as implementation partners and software providers for the new model of "shared building supply," made possible by the German government's “Solarpaket 1” in 2024 .

As a Full-Stack Software Engineer, you are an early member of our growing product development team, working closely alongside our experienced Head of Engineering. You contribute across the entire software stack ( backend, frontend, database, data import, infrastructure , etc.) The core functionality of the VREY platform is processing smart meter measurement data for analyzing and billing solar power usage. Through our admin interface, we enable the creation and management of projects. Currently, the technical stack primarily consists of a Ruby on Rails app, which we might expand with frontend technologies (e.g., Performance Optimization and Process Automation: Our platform automates data imports and billing processes — you’ll help ensure these systems run efficiently and reliably.

Infrastructure: Support infrastructure decisions and ensure smooth operation of cloud components.

2+ years of professional experience building full-stack web applications.

• Practical skills in Ruby on Rails — alternatively with similar MVC frameworks such as Laravel/PHP, Django/Python, NestJS/TypeScript, or Java/SpringBoot.
• Solid knowledge and hands-on experience designing and optimizing relational database models (we use PostgreSQL).
• Strong understanding of web architectures and technologies such as JavaScript, React/Vue, and REST APIs, HTML/CSS , etc.
• You’re excited about startups , eager to make a real impact, able to also work independently, ready to take ownership for tasks and projects, and love to learn new things.

You’re a team player and enjoy regularly working on-site at our Berlin-Friedrichshain office (occational remote work possible upon individual agreement).

You’re willing to learn energy industry terms in German and English, and ideally, you have good German language skills .

Benefits

Coaching and mentoring by our Head of Engineering with over 10 years of experience as software engineer and team lead in startups, and as volunteer and professional coach and mentor.

The opportunity to define and pursue personal development goals together.

Office at a cool co-working space including free drinks, muesli, fruit, and lot of great lunch options around.

VREY is committed to maintaining a safe and respectful workplace, free from discrimination and harassment of any kind.