Senior Fullstack Engineer (m/f/d) - Berlin

Your Mission

• You will collaborate on the design, development, deployment and maintenance of our web application, utilising modern technologies while adhering to industry best practices
• You will work autonomously and contribute to architectural decisions alongside your team
• Collaborate with cross-functional teams to build impactful solutions for the climate sector
• Improve development workflow and contribute to building an efficient, high-performance engineering culture
• Leverage AI coding tools as a core part of your development workflow to ship faster and maintain high code quality

Your Talent

• You have at least 5+ years of software development experience
• Strong expertise in Python, FastAPI, React, Redux Toolkit, and TanStack Router
• Comfort using AI coding tools to accelerate development
• Experience building AI-powered features
• Experience in developing complex forms using react-hook-form and zod while ensuring a responsive and frictionless user journey
• Proficiency in Tailwind CSS and modern UI development practices
• You can evaluate what’s hype versus what’s real business value
• You have a good understanding of Docker, AWS and cloud native architecture
• You have experience debugging and resolving production issues
• You have led large complex projects from beginning to end
• You have excellent communication skills in English, and experience with distributed teams is a plus

Our Offer

Growth & Culture

We move fast, we're building a lot from scratch, and we're learning something new every day. You'll be part of a team that doesn't just work, it truly builds something, with a strong sense of ownership and genuine team spirit.

Impact

• Your job has a direct impact on the energy transition. Period.
• And because this is important to us, we offer extra days off for climate activism.

Flexibility

• We work in a hybrid, trust-based environment.
• Working from home is the norm for us, two days a week are standard and flexible. We structure the rest in whatever way best supports collaboration and focus within the team.
• And if it works for you and your team, you can also work from other locations, workations are possible here.

Perks

You'll receive a flexible bonus that you can use however you like, sports, culture, travel, whatever works for you.

Food & Energy

Long days happen. When the office is running, so is the food: just order something to the office via Wolt.

Team & Vibe

• We take our mission seriously, but we don't take ourselves too seriously.
• Offsites, team nights, and our "Bees & Beers" are just as much a part of the job as the work itself.