Full-Stack Product Engineer, Ruby on Rails (m/f/d) at Solar Startup

Berlin HQ. Posted 5 months ago

The role

You will be an early member of the product development team working across the entire stack. You will co-design and build features, process smart meter measurement data, and work on automated billing and server infrastructure.

What you will do

Co-design and build features across the full stack from database to UI
Work with product management, design and users to get details right
Improve frontend code structure and design patterns
Import and process smart meter measurement data
Work on automated billing
Design and maintain underlying server infrastructure
Instrument, optimize and monitor critical processes
Research, evaluate and design technical solutions
Improve development environment and engineering processes
Adopt AI-powered development practices

Required qualifications

2+ years of professional experience building full-stack web applications
Strong frontend development skills with HTML, CSS and JavaScript
Familiarity with Hotwire, Turbo and Stimulus
Familiarity with a framework like React or Vue
Experience with UI and UX, interface patterns and design systems
Comfortable designing and optimizing relational database schemas (PostgreSQL)
Used to working with APIs and integrating with 3rd-party services
Familiar with cloud infrastructure such as Heroku, AWS, or similar
Familiarity with CI/CD pipelines and basic monitoring
Actively working with AI and agentic setups
Based in Berlin or willing to relocate
Willing to learn energy industry terms in English and German

Nice to have

Experience with Ruby on Rails
Experience with comparable MVC frameworks (Django, Laravel, Spring Boot, NestJS)

Benefits

Competitive salary including shares based on the level of your experience
Real ownership
Visible impact
Personal and professional growth
Making a difference
Office in a co-working space in Berlin-Friedrichshain
Free drinks, cerials, fruits
Plenty of lunch options nearby

About the company

VREY is building the EnergyOS for multi-family buildings. They combine certified meter operation with proprietary software to enable property owners to sell self-generated solar power to tenants.