Blockchain Protocol Development Job October 2025

As a Stateless Consensus Intern, you will be deeply involved in advancing blockchain systems through bleeding-edge research and development. This role provides a unique platform to collaborate with leading researchers and contributors across the Ethereum ecosystem. Your key responsibilities will include:

• Conducting original research in areas highly relevant to Ethereum and decentralized technologies.
• Collaborating with Ethereum Foundation researchers and community contributors to tackle pressing technical and conceptual challenges.
• Contributing to public-facing materials, such as insightful blog posts, white papers, and technical reports, to disseminate research outcomes.
• Engaging proactively with the broader research community through discussions, seminars, and collaborative initiatives.

We are looking for passionate and intellectually curious individuals with the following qualifications and skills:

• Currently enrolled in a university program studying a relevant field such as computer science, cryptography, mathematics, or economics. Very recent graduates (within approximately one year) may also be considered.
• Demonstrated keen interest in Ethereum, blockchain technologies, and decentralized systems.
• Familiarity with Data Structures and Networked & Distributed Systems.
• Understanding of Storage Systems & Database Design and Protocol Design Thinking.
• Foundational knowledge of Low-Level Ethereum Concepts and Systems Performance Analysis.

To apply for this impactful internship, please click the button below. In your application, highlight your experience and interest in Ethereum, blockchain, and decentralized technologies, and tell us why you believe you’d be a great fit for contributing to stateless consensus. Please note that our hiring team utilizes an AI-assisted tool to help manage application volume, but all final decisions are made by human reviewers. We look forward to reviewing your application.

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Q1: What is the duration and timing of this internship?
A1: This is a 12-week internship program scheduled for Summer 2026, offering a focused period for significant contributions.

Q2: Is this a remote position, and are there opportunities for in-person work?
A2: The internship offers remote flexibility, but interns are highly encouraged to work from an EF office, with Berlin, Germany, being a primary location. An in-person cohort meetup is also planned for the summer.

Q3: What is the application deadline for this program?
A3: The official closing date for applications is **November 22, 2025**. We encourage all interested candidates to submit their applications well before this deadline.

Q4: Will artificial intelligence (AI) be used in the application review process?
A4: Yes, an AI-assisted tool will be used to help review anonymized resumes and highlight potential fits. However, it’s crucial to note that human reviewers make all final hiring decisions, and the AI tool does not automatically reject or advance candidates.

Q5: What are the key qualifications for this internship?
A5: We are looking for current university students (or very recent graduates) in relevant fields like computer science, cryptography, mathematics, or economics, who possess a strong demonstrated interest in Ethereum, blockchains, and decentralized technologies.