You develop new features for our B2B webshop – from the idea and architecture through to go‑live
You work across the entire customer journey of our B2B customers – from registration and product discovery to the cart, checkout and self‑service features
You take responsibility for technical decisions, ensure a clean architecture and drive technical excellence within the team
You support the onboarding/integration of new business customers via ERP systems
You work closely with business stakeholders to translate business requirements into scalable technical solutions
You support your colleagues as a sparring partner, e.g. in code reviews, pair programming and in evolving team standards.

Several years of experience in full‑stack software development, ideally in e‑commerce or B2B web applications
Strong frontend development skills, preferably Blazor, and the motivation to contribute and implement your own ideas for the B2B webshop design
Good database knowledge, ideally MS‑SQL and Entity Framework
A solid understanding of software architecture, Clean Code, testing and maintainable, scalable systems
Comfortable working cross‑functionally in an agile environment (Scrum/Kanban) and actively contributing to process and team culture improvements
Clear and respectful communication — you are confident in German and English is no problem for you in technical contexts.

Work–life balance – shape your workday flexibly and enjoy the freedom of mobile working
Job ticket & company bike – so not only your working hours are flexible
Start‑up perks – enjoy free drinks and the occasional game of foosball or table tennis as a break from work
Flaschenpost Learning – create your personal learning journey and expand your skills through diverse and innovative trainings
Buddy program – your Flaschenpost buddy will support you during onboarding
State‑of‑the‑art technology – we place a high value on progress and innovation
Team & networking events – stay active and get to know colleagues through company sports, game nights and regular meetups
Corporate benefits – take advantage of discounts and offers in online shops and fitness studios
Social responsibility – opportunities for blood donation during working hours to help save lives

Senior Full Stack Software Developer – B2B Webshop

Key skills