Protocol Engineer (Blockchain)

TL;DR

Protocol Engineer (Blockchain): Developing robust blockchain infrastructure and protocol-level components with an accent on distributed systems architecture, P2P networking, and consensus mechanisms. Focus on building performant and maintainable validation logic, optimizing synchronization, and resolving complex technical bottlenecks in core infrastructure.

Company

A fully remote software development company specializing in technically ambitious projects across blockchain, fintech, AI, and programming language research.

What you will do

• Develop scalable and maintainable blockchain infrastructure and core protocol-level components.
• Implement and improve blockchain logic including networking, validation, execution, storage, and consensus systems.
• Participate in high-level architectural discussions for distributed systems.
• Debug and resolve technical bottlenecks and complex performance issues.
• Write comprehensive tests and maintain high engineering standards through code reviews.
• Collaborate with a remote international team of engineers and researchers.

Requirements

• Fluent spoken and written English.
• 3+ years of professional software engineering experience.
• Strong commercial experience in core blockchain development (nodes, validators, P2P).
• Deep understanding of blockchain internals (consensus, mempool, validation) and cryptography fundamentals.
• Proficiency in at least one system-level language (Rust, Haskell, Go, C++).
• Solid background in distributed systems, concurrency, and performance-oriented development.

Nice to have

• Experience with peer-to-peer networking and low-level protocol design.
• Expertise in performance optimization, throughput, and latency reduction.
• Familiarity with smart contract platforms and virtual machine internals.
• Active contribution to open-source blockchain projects.

Culture & Benefits

• Fully remote environment with flexible working hours.
• Investment in professional and career growth.
• Supportive culture including mentoring, training, and therapy sessions.
• Participation in leading international technical conferences.
• Opportunity to contribute to a top-tier functional programming blog.

Hiring process

• Short questionnaire submission.
• HR screening for matching candidates.
• Technical interview with the engineering team.
• Potential short call with a project lead.