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 L2 Engineer to contribute to the design and development of Layer-2 scaling solutions within a custom blockchain ecosystem supporting enterprise-grade financial systems.
You will work on rollup mechanisms, transaction batching, cross-layer communication, and performance optimization between Layer-1 and Layer-2 environments. This role requires strong blockchain systems knowledge with a focus on scalability, execution logic, and security. The ideal candidate has hands-on experience building or contributing to Layer-2 or scaling infrastructure in production environments.
Responsibilities
Design and implement Layer-2 scaling components
Contribute to rollup architecture and transaction batching logic
Develop cross-layer communication and bridging mechanisms
Optimize throughput and latency across blockchain layers
Ensure correctness and security of L2 state transitions
Collaborate with protocol, smart contract, and infrastructure teams
Participate in architecture discussions and performance reviews
5+ years of software engineering experience
Strong understanding of blockchain architecture
Experience working on Layer-2 solutions (rollups, sidechains, scaling infrastructure)
Proficiency in Rust, Go, or similar systems-level language
Strong understanding of state machines and transaction lifecycle
Experience working in performance-sensitive distributed systems
Preferred
Experience with optimistic or zk-rollups
Experience with cross-chain messaging or bridging systems
Experience collaborating with Layer-1 protocol teams
Experience in fintech or regulated environments
Experience working in distributed remote teams
Competitive international compensation
Remote-first work model
Long-term engagement on enterprise blockchain scaling initiatives
Opportunity to work on advanced blockchain architecture
Career growth within MLabs’ global engineering network
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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