Full Stack Engineer (w/m/d)


We are Kelvyn – an IoT-startup that digitizes the food industry. With state-of-the-art IoT technology, we monitor the temperature in food supply chains to grant HACCP compliance. We are in our early-stage and already have a solid customer base testing the solution with small and large enterprises in Germany & Europe. Grow with and become part of a fast pace journey in food tech.
Kelvyn is a part of Next Big Thing AG – a company-builder focused on the machine economy. Backed by €18m of investment, Next Big Thing is building a series of fast growth ventures that will transform the way the world works for decades to come.
The first engineering tasks have been done directly by the NBT Teams, now is the time for Kelvyn to use this foundation to grow our own tech team. Be among the first when Kelvyn starts to bring IoT to food companies. You will be able to work together with the professional NBT tech and engineering team, but you will be able to focus on just one project - Kelvyn.

As Full Stack Engineer, you play a crucial role in building functionalities and interfaces that make the product enjoyable and delightful to the end-user - the very goals we as a team are seeking to achieve.

Your Tasks:
  • Build data-centric dashboards that convey useful business information
  • Build intuitive, innovative, clean and compliant web and mobile interfaces
  • Build attractive landing pages and informational websites
  • Collaborate with our NBT developers on software design reviews, peer code reviews and feedback sessions
  • Collaborate with design team to convert wireframes to functional prototypes
  • Integrate frontend codebases of with backend infrastructure
  • Collaborate with our engineering team on side-projects to hack innovative frontends


Must haves:
  • Excellent foundational knowledge in Javascript, HTML and CSS
  • Excellent knowledge of one or more of React.js and Vue.js (D3.js or similar visualisation libraries are a big plus)
  • Excellent conceptual knowledge of REST, RPC and other techniques for building APIs
  • Knowledge in security and performance of frontend applications
  • Knowlege of backend systems - based on Python and AWS IoT management
Nice to haves:
  • Experience with Docker and Kubernetes
  • Experience in UX research, user testing, A/B tests, and experiments to make data-driven decisions
  • Familiarity with Scrum, Agile and similar project management methodologies

What you get:
  • Opportunity to work directly with the Founder and the experienced team of Next Big Thing
  • Flexible working hours
  • Free drinks & fruits
  • New and well-equipped office directly at Zoologischer Garten in Berlin
  • Freedom and full responsibility for your projects. No micromanagement.
  • A chance to join a fast-growing start-up early and grow with it

We value diversity and therefore expressly welcome all applications - regardless of gender, nationality, ethnic and social origin, religion/belief, physical abilities, age, sexual orientation and identity.
We look forward to receiving your application.