Senior Blockchain Protocol Engineer Job November 2025

As a Senior Blockchain Protocol Engineer, you will play a crucial role in our engineering team. Your key responsibilities will include:

• Lead the design, implementation, and optimization of cutting-edge blockchain protocols and distributed systems, ensuring scalability, security, and performance standards.
• Implement comprehensive unit testing frameworks and maintain detailed technical documentation for all developed code.
• Diagnose and resolve complex technical issues within blockchain environments.
• Collaborate effectively with team members, fostering a culture of mutual learning and providing mentorship.
• Actively participate in code reviews, offering constructive feedback to peers to ensure code quality.
• Work closely with leadership to proactively identify upcoming opportunities and potential risks.
• Provide expert technical assistance to community members utilizing our open-source software.
• Assist partners and drive seamless integrations with third-party software and platforms.

We are looking for a highly skilled and proactive individual who meets the following minimum requirements:

• Bachelor’s degree in Computer Science or a related technical discipline.
• 5+ years of experience in solving complex distributed system problems and delivering highly scalable products/features.
• 3+ years of hands-on experience with blockchain projects, consensus protocols, distributed systems, or applied cryptography.
• Strong proficiency in Golang and Rust programming languages.
• Deep understanding of blockchains and distributed systems (transaction formats, consensus mechanisms, communication protocols, internals of EVM/SVM, cross-chain communication, etc.).
• Hands-on experience with containerization technologies and cloud platforms like Docker and AWS.
• Demonstrated ability to create comprehensive design documents and technical specifications that provide clear implementation roadmaps.
• Deep proficiency in security best practices across software development and blockchain ecosystems.
• High ownership mentality, strong problem-solving skills, and a proactive mindset.

Desirable Qualifications:

• Previous working experience in Layer 2 blockchains, cross-chain communication, and EVM/SVM functionality updates.
• History of open-source contributions or published work in the blockchain space.

To apply for this exciting role, please click the button below. In the application form, please highlight your extensive experience with blockchain projects, particularly with Golang and Rust, and share why you are passionate about contributing to the future of decentralized systems. We eagerly look forward to reviewing your application.

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Q1: What is the application deadline for this position?
The closing date for applications is **December 8, 2025**. We encourage you to apply as soon as possible to be considered.

Q2: Is this a remote or onsite position?
This is a **fully remote** position, and we welcome talented engineers from worldwide.

Q3: What are the key technical skills required for this role?
Key requirements include strong experience with **Golang and Rust**, a deep understanding of **blockchain and distributed systems**, and hands-on experience with **Docker and AWS**.

Q4: What is the company culture like at Metallicus, and what benefits do you offer?
At Metallicus, we foster a culture of innovation and collaboration in a fully remote setup. We offer monthly subsidies for wellness, food, and drink, a learning and development stipend, flexible PTO, paid holidays, and potential for stock options to align with our success.