Protocol Tester - Consensus layer

Protocol Tester - Consensus layer

About the Ethereum Foundation

The Ethereum Foundation (EF) is a global non-profit organization dedicated to supporting Ethereum. Our mission is to ensure the long-term success of Ethereum by allocating resources to critical projects, being a positive voice within the Ethereum ecosystem, and advocating for Ethereum to the outside world.

Job Description

We’re seeking passionate and collaborative individuals who are excited about testing Ethereum to help reduce the risk of software failures across the protocol. As part of the EF Testing Team, you'll collaborate with other testers,dev operatooors, client developers, and protocol researchers to ensure protocol upgrades are thoroughly and efficiently tested.

As a Protocol Tester, you’ll use your technical expertise to enhance testing methods, implement tests for new and existing protocol features, and improve our test infrastructure. This role involves working with complex subsystems that are integral to the Ethereum Protocol.

As an open-source project, we operate transparently and communicate in publicly accessible channels daily, so being comfortable working in the open is essential. In this fast-paced, constantly evolving, and sometimes unpredictable space, your work will be dynamic and may shift in response to changing priorities.

Responsibilities

• Implement and execute reliable, deterministic tests that ensure the robustness of protocol upgrades

Implement and execute reliable, deterministic tests that ensure the robustness of protocol upgrades

• Improve test methods and enhance test infrastructure to improve efficiency and coverage of protocol feature testing

Improve test methods and enhance test infrastructure to improve efficiency and coverage of protocol feature testing

• Collaborate with other teams to ensure seamless code integration and test results

Collaborate with other teams to ensure seamless code integration and test results

• Contribute to the open-source community by sharing ideas, improvements, and solutions in public channels

Contribute to the open-source community by sharing ideas, improvements, and solutions in public channels

We’re seeking someone who

• Has a strong passion for Ethereum and blockchain technologyIs comfortable working in an open-source environment where communication happens transparently

Has a strong passion for Ethereum and blockchain technologyIs comfortable working in an open-source environment where communication happens transparently

• Has the ability to work in a highly independent and self-directed manner

Has the ability to work in a highly independent and self-directed manner

• Has a proven ability to drive innovation and deliver on ideas

Has a proven ability to drive innovation and deliver on ideas

Minimum Requirements

To thrive in this role, you should have:

• Foundational knowledge of theConsensus Layer protocol

Foundational knowledge of theConsensus Layer protocol

• 2+ years experience as a software tester

2+ years experience as a software tester

• 2+ years experience with Python

2+ years experience with Python

• Intermediate experience working in Linux environments

Intermediate experience working in Linux environments

• Familiarity with the entire software development life cycle

Familiarity with the entire software development life cycle

• A desire to openly share improvements, ideas, failures, and successes

A desire to openly share improvements, ideas, failures, and successes

Bonus Points

• Contributed toethereum/execution-spec-tests,ethereum/consensus-specsor another related repository

Contributed toethereum/execution-spec-tests,ethereum/consensus-specsor another related repository

• Familiar with Ethereum beacon chain design and recent upgrades

Familiar with Ethereum beacon chain design and recent upgrades

• Experience with thepytesttest framework

Experience with thepytesttest framework

• Other open-source contributions

Other open-source contributions

• The ability to automate and optimize frequent tasks in CI pipelines* Experience with the Go Programming Language

The ability to automate and optimize frequent tasks in CI pipelines* Experience with the Go Programming Language

Contract Details

• Optimally full-time position, part-time (4 days) possible

Optimally full-time position, part-time (4 days) possible

• Flexible work and working hours

Flexible work and working hours

• Competitive compensation

Competitive compensation

• Remote first, with offices in Berlin and Boulder (US)

Remote first, with offices in Berlin and Boulder (US)

Dec 30, 2025 ... The Ethereum Foundation (EF) is a global non-profit organization dedicated to supporting Ethereum. ... Remote first, with offices in Berlin and Boulder (US).