Senior L2 Engineers

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
  
  

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].

MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd's Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting [email protected].