Software Engineer (Crypto/back-end)

The Hague, Netherlands | Semi-remote
Full time
Start date:
About the job

We are looking for a software engineer with blockchain and cryptographic experience to join our engineering team. Your primary responsibility will be analysing requirements, writing and testing scalable code, developing back-end components, designing blockchain technology, deploying sound cryptographic solutions and organising security audits

Company description
We created Circularise to enable a circular economy on a global scale through better traceability and transparency across complex supply chains.

Circularise’s Software system helps suppliers in chemicals, plastics, battery materials, metals, and other industries to trace materials and share their environmental footprint without risking their sensitive data.

By extension, it helps brands and OEMs to monitor their supply chains, get visibility into their own Scope 3 emissions, comply with upcoming due diligence regulations, and implement the circular economy in their operations.
To learn more about Circularise, check out our
  • A competitive salary
  • 25 days of paid time off
  • Travel allowance
  • Semi-remote, work from home policy
  • Flexible working hours
  • Annual company holiday
  • Be part of a new industry standard
  • Save the world with code

  • Work towards a production ready system for a large number of clients.
  • A transparent industry protocol while still maintaining strong privacy and security features (for us, but also our clients).
  • Make use of exciting new tech and their caveats: decentralisation, public blockchains, Zero Knowledge Proof (and at a later stage big data analytics).
  • Building and running SaaS that is served in multiple regions across the world.
  • Meeting demands and requirements of various industry clients (e.g. audits).
  • Bachelor or Master’s degree in Computer Science, Computer Engineering, or related field.
  • Strong software development background.
  • Experience in developing API’s, web services, microservices.
  • Experience in applying cryptographic solutions (Key derivation, Elliptic Curve, Diffie Hellman, ZKP).
  • Various DLT experiences (Ethereum Solidity, HyperLedger).
  • Ability to collaborate on projects and work independently when required.
Bonus experience
  • Experience in Python (3+, asyncio, typing) and/or Rust.
  • Experience in building scalable systems.
  • Experience in following principles: distributed event streaming, on-premise solutions, peer-to-peer transports and/or security focussed infrastructure. 
  • Peer-to-peer networking experience.
  • Familiar with security audits.
  • Automation/DevOps affinity and/or experience (Gitlab CI, docker, k8s, AWS).

To apply please fill out the following form:
this form
All applications from employment agencies will be ignored.
Circularise will not pay any fees for unsolicited resumes.
Apply now