Senior & Lead Java Engineers

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring experienced Senior and Lead Java Engineers to support a large-scale financial technology program for a UAE-based client. Engineers will work on enterprise backend systems integrated with blockchain infrastructure. The role focuses on building scalable, high-performance services in a distributed environment. Exposure to smart contracts and blockchain technologies is highly desirable. Lead-level candidates will provide technical leadership and mentor distributed teams.

Responsibilities

• Design, develop, and maintain scalable Java-based backend services
• Build and integrate RESTful APIs within a microservices architecture
• Collaborate with cross-functional teams to deliver high-quality solutions
• Optimize system performance, reliability, and security
• Contribute to blockchain integration and smart contract interaction (where applicable)
• Participate in code reviews and uphold engineering best practices
• Lead Engineers: provide technical guidance, mentor team members, and support architectural decisions

Requirements

Senior & Lead Android Engineers

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring Senior and Lead Android Engineers to support a large-scale financial technology program for a UAE-based enterprise client.

You will be responsible for building secure, high-performance Android applications used in a regulated financial environment. The role requires strong expertise in Kotlin, modern Android development practices, and scalable mobile architecture.

Lead-level candidates will contribute to architectural decisions, drive Android best practices, and mentor distributed teams.

Responsibilities

• Design, develop, and maintain scalable Android applications using Kotlin
• Implement clean, testable, and maintainable mobile architecture
• Integrate applications with secure backend APIs and enterprise services
• Optimize application performance, responsiveness, and reliability
• Collaborate with backend, blockchain, and product teams
• Participate in code reviews and enforce engineering standards
• Lead Engineers: provide technical leadership, mentor developers, and contribute to architectural strategy

Requirements

Senior Solidity Engineer

Employment: Full-time via MLabs
Engagement: Contracted to a UAE-based enterprise client
Location: Remote (Eastern Europe / MENA / India preferred)

MLabs is hiring an experienced Senior Solidity Engineer to support a large-scale financial technology program for a UAE-based client. You will work on smart contract development within a blockchain ecosystem that integrates enterprise financial systems with distributed ledger technology. This role requires strong Solidity expertise and a solid understanding of secure smart contract architecture in production environments. You will collaborate closely with backend engineers (Java), blockchain infrastructure teams, and cross-functional stakeholders to deliver secure and scalable solutions.

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

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 Frontend Engineer (Web3) to support a large-scale blockchain and financial technology program for a UAE-based enterprise client.

You will build secure, high-performance web applications that integrate directly with blockchain infrastructure. This role combines modern frontend engineering with decentralized technologies, requiring strong expertise in React and Web3 integrations. The ideal candidate has hands-on experience integrating smart contracts, wallet providers, and on-chain data into production-grade web applications.

Responsibilities

• Develop and maintain Web3-enabled frontend applications using React and TypeScript
• Integrate smart contracts using Web3 libraries (e.g., ethers.js, web3.js)
• Implement wallet connectivity and transaction flows
• Handle on-chain data fetching and real-time state updates
• Ensure secure and reliable interaction between frontend and blockchain layers
• Optimize performance and user experience in decentralized environments
• Collaborate closely with smart contract, protocol, and backend teams

Requirements