Lead Platform Engineer (Full-Time with ESOP Option)

About Us

Grwm. is a social shopping startup from Bochum, redefining and rebuilding fashion e-commerce.
Our mission: turn inspiration into a purchase within seconds – without friction, with seamless UX, and a stable tech stack.
We’re a small, focused team that values smart processes, truly understands user needs, and works with some of Europe’s biggest fashion retailers to shape the future of social commerce.

📩 Ready to build social shopping from the ground up?
Contact us directly here on LinkedIn or via email at [email protected] – we can’t wait to meet you!

• Develop innovative, high-performance, and user-friendly mobile applications with Flutter to take our social shopping experience to the next level

• Design new features and architectures that make our fashion customer journey faster, more intuitive, and more conversion-driven

• Ensure code quality through clean code principles, documentation, code reviews, and automated testing

• Collaborate with our product and design teams to analyze user and partner needs, and deliver tailored solutions

• Contribute from day one to the product roadmap – from MVP launch to international scaling

• Highly experienced with relational databases, Experienced with Flutter/ Dart

• Designing and modeling APIs, and version control via Git, API aggragation at scale, unify product/catalog schemas, cost control (rate limiting)

• Committed to quality, scalability, and maintainable code

• Performance & Cost awareness (index strategy, avoid N+1, right-sized RPCs etc.)

• Familiar with agile methodologies like Scrum or Kanban

• Team player with a cross-functional mindset and strong UX awareness

• Excellent English skills (German is a plus, not a must)

• Bonus: Platform experienced (Compliance, Moderation, Onboarding, GDPR) – Marketplace knowledge (AOV, GMV, returns, support, KYC Payouts)

• Bonus: Experienced with Stripe, Edge Functions, PostHog/ Amplitude

• We are looking for someone who can learn fast and is also down to have a good time along the journey

Why Grwm.?

• ESOP option – we build this together and share the success

• Remote-first + flexible working hours (Bochum office always available)

• Direct impact – you’ll be Tech Team Member #1 in core development

• Clear focus on working technology over buzzwords

• Collaboration with leading fashion brands and creators

• Regular offsites and networking events across the European startup scene

• Permanent position in a fast-growing, ambitious startup