What are we all about?

We are a team of world class builders and researchers with expertise across several domains: Ethereum Protocol Engineering, Layer-2, Decentralized Finance (DeFi), Miner Extractable Value (MEV), Smart Contract Development, Security Auditing and Formal Verification.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, StarkWare, Gnosis Chain, Aave, Flashbots, xDai, Open Zeppelin, Forta Protocol, Energy Web, POA Network and many more.

We actively contribute to Ethereum core development, EIP's and network upgrades together with the Ethereum Foundation, and other client teams.

Today, there are nearly 200 of us working remotely from over 45+ countries.

You can view all our open positions here: https://jobs.nethermind.io/

We are currently looking for a Senior Test (QA) Engineer to join our team.



  • Create and document automated and manual test plans and procedures

  • Perform software testing in all phases of the software life cycle

  • Configure and set up testing environments

  • Implement, run and monitor automated tests

  • Design and implement efficient reporting of test results

  • Monitor the infrastructure with tools like Grafana, Prometheus, New Relic, OpsGenie

  • Write scripts and even full applications with the language of your choice that can help us improve QA process

  • Work with Docker and Docker Compose

  • Work with many different operating systems and architectures (x86, ARM)



  • Extensive experience in designing and executing manual and automated tests
  • Experience with issue-tracking systems
  • Experience with performance testing tools and performance metrics monitoring
  • Fluent with different operating systems and architectures (Linux, Windows, MacOS etc.)
  • Knowledge of at least one programming and scripting language
  • Understanding of CI/CD tools and processes
  • Computer science background
  • An entrepreneurial nature, willing to take ownership and run toward problems
  • Very good communicator


Nice to have:

  • (nice to have) Cloud infrastructure experience
  • (nice to have) Blockchain experience

Join us!

We are always on the lookout for talent!

If what we do excites you, but none of the current open positions match your background, we encourage you to send us your CV at talent@nethermind.io

Join our growing and active community of 2000+ developers on our Discord server: https://discord.com/invite/PaCMRFdvWT

In the meantime, keep up to date on what we are working on by following us on our social channels: 


Apply for this Job

* Required
resume chosen  
(File types: pdf, doc, docx, txt, rtf)
cover_letter chosen  
(File types: pdf, doc, docx, txt, rtf)

Please reach out to our support team via our help center.