Job Description
Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise blockchain / fintech client
Location: Remote (Eastern Europe / MENA / India preferred)
MLabs is hiring a Senior Protocol Engineer to contribute to the core infrastructure of a custom Layer-1 blockchain ecosystem supporting enterprise-grade financial systems.
You will work at the protocol layer, contributing to consensus mechanisms, node architecture, networking, and system-level performance. This role requires deep distributed systems expertise and hands-on experience working on blockchain infrastructure rather than application-layer smart contracts.
The ideal candidate is comfortable operating in performance-critical, security-sensitive environments and contributing to protocol evolution discussions.
Responsibilities
Design and implement core blockchain protocol components
Contribute to consensus performance, scalability, and reliability improvements
Optimize node performance and system-level efficiency
Work on P2P networking and state synchronization mechanisms
Identify and mitigate protocol-level vulnerabilities
Collaborate with smart contract, infrastructure, and backend teams
Participate in architecture reviews and protocol evolution discussions
5+ years of software engineering experience
Strong background in distributed systems
Experience working on Layer-1 blockchain infrastructure
Proficiency in Rust, Go, C++, or similar systems-level language
Strong understanding of consensus mechanisms (PoS, BFT, etc.)
Experience working in high-performance, production environments
Preferred
Experience contributing to open-source blockchain projects
Experience working on validator or node implementations
Experience with networking protocols and P2P systems
Experience in fintech or regulated environments
Experience working in distributed remote teams
Competitive international compensation
Remote-first work model
Long-term engagement on an enterprise blockchain platform
Opportunity to work on core protocol architecture
Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.
Commitment to Equality and Accessibility:
At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing [email protected].
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