Senior Jobs in Web3

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.

Responsibilities

• Design, develop, test, and deploy secure smart contracts using Solidity
• Implement and optimize contract architecture for scalability and gas efficiency
• Collaborate with backend engineers to integrate smart contracts with enterprise services
• Conduct code reviews and enforce smart contract security best practices
• Identify and mitigate security vulnerabilities in blockchain applications
• Participate in architecture discussions and contribute to system design decisions
• Support testing, auditing, and deployment processes

• 5+ years of software engineering experience
• Strong hands-on experience with Solidity in production environments
• Experience deploying and maintaining smart contracts on EVM-compatible networks
• Strong understanding of smart contract security patterns and vulnerabilities
• Experience with testing frameworks (Hardhat, Foundry, Truffle, etc.)
• Experience integrating smart contracts with backend services
• Familiarity with CI/CD pipelines and containerized environments

Preferred

• Experience in fintech, trading, or regulated financial systems
• Exposure to Layer-1 blockchain architecture
• Experience working in distributed remote teams
• Understanding of backend technologies (Java experience is a plus)

• Competitive international compensation

• Remote-first work model
• Long-term engagement on an enterprise fintech platform
• Opportunity to work on advanced blockchain infrastructure
• Career growth within a 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 [email protected].

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