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!

Tasks

• 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

Requirements

• 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

Benefits

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