MLabs - Senior Solidity Engineer
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Requirements
• 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 processes5+ 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 environmentsPreferred 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 networkDue 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. • 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] 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.
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]. • 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].
Benefits
• Work with real money at scale with actual USD flowing through your code • Own the full stack from Solidity contracts to Kafka pipelines • Build systems that partners depend on — your work directly impacts client success • Operate within BitGo's regulated infrastructure, including trust charters and institutional-grade custody • You'll tackle challenges like scaling infrastructure to support billions in TVL. • You'll tackle challenges like • Disrupting an industry takes vision, innovation, passion, technical chops, drive to deliver, collaboration, and execution. Join a team of great people who strive for excellence and personify our corporate values of open communication, collaboration, accountability, craftsmanship, and a client first approach. We are looking for new colleagues who bring innovative ways of thinking and problem solving, and who want to be part of the team that changes the world's financial markets. • Cryptocurrencies are the most disruptive change the financial services industry has seen in years. Join us and you'll be able to look back and say you were part of the team that transformed finance. • Pay Transparency Notice: Depending upon your leveling and location, the compensation for this role averages between $180,000 - 220,000 CAD base salary. Equity, an annual performance bonus and the benefits outlined below are also a part of this role's package. • Pay Transparency Notice:
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