Winterthur, Zurich, CH

In a nutshell

We are looking for a Backend Developer with Solidity/Web3 Experience to join our Product Team and help us develop the next big thing. It is an exciting role in an impactful team where you are part of the strategic decision-making and take responsibility from day one.


We are the truth behind the product. collectID is the product authenticity and customer engagement ecosystem. We protect brands and transform products into a superior communication and sales channel. collectID patented technology offers a unique combination of NFC tags and blockchain to deliver the first fully secure product authenticity ecosystem. Learn more about our technology. We value innovation, collaboration, and curiosity.

We strive to develop all our employees to reach their full potential. We work mostly remotely and usually meet once or twice a week at our office near Zürich. From time to time, we need more face-to-face time to move fast. However, you also can take a month of a home office when needed.

The role


We are looking for a Backend Developer with Solidity/Web3 Experience to help develop our API, backend services, Solidity smart contracts, and Web3 infrastructure. We are a startup; hence you will get a chance to be involved in everything we do.

Your Experience


  • Participate in the planning and development of our product and supporting software
  • Cooperate with designers, other developers, and business managers to design and
    develop new product features.
  • Write code for frontend and backend.
  • Perform code reviews.
  • Learn new technologies as the need arises.

Minimum qualifications

  • Bachelor’s degree in Computer Science, a related field, or equivalent practical experience.
  • Experience with the following technologies: REST API, JavaScript/TypeScript, Node.js, Web3.js, Git, SQL, Solidity, Ethereum or related Web3 technologies.
  • Good written and spoken English.

Preferred qualifications

  • Experience in one or more of the following: ERC721/NFT token standards, Polygon ecosystem or similar L2/sidechain solutions, Kubernetes, RFID/NFC chips.
  • Experience in working with agile processes.

Our core values

  • Everyone has a voice. We look to the people with the most knowledge, listen hard, and choose the best way forward.
  • We go the extra mile. We are more motivated, work harder, and do more than our competition. If we don’t do this, we don’t stand a chance.
  • Everyone makes an impact. If you work here, we trust you to create value. In fact, we’re counting on it.
  • We learn from everything. Win or lose, sale or no sale; we do our best to learn from every experience.
  • Authentication for everyone. Our system is built on highly complex technology. Our job is to make all that complexity easy to use for regular people.
  • Authentication for everything. Every product has its own truth; where and how it was created and by whom. We’re here to make this truth accessible.

How to apply?

You need to be legally authorized to work in Switzerland (Swiss citizen, EU/EFTA citizen, Swiss residence permit holder) to apply for this job. Apply by email to Łukasz Buławski (Chief Product Officer, Include your resume, cover letter, and current notice period.

Apply Now

Add Your Info Below 

Enter your details in the form below

Choose FilesNo Files ChosenAccepted file types: png, js, mpp. Max. file size: 5 MB

8 + 10 =