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

Requirements

• 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

Benefits

• 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