Backend Developer - Web3.js / Cryptography

Company Description :

MarsDevs is a remote-first, offshore digital product development company, committed to delivering high-quality code and long-lasting technical architectures.

We specialize in building MVPs, mobile and web applications, and SaaS products for startups and SMBs.

Our services include systematic project analysis, UI / UX design, technical consulting, application deployment, and ongoing support.

Based in India, MarsDevs has successfully delivered over 60 solutions across 10 countries and 12 industry verticals in the last four Responsibilities

• Build, maintain, and scale backend services powering our AI Signals platform.
• Integrate Web3 functionality including wallet creation, crypto transactions, and payment utilities.
• Work closely with product and frontend teams to deliver secure, efficient, and reliable solutions.
• Quickly adapt to project needs and ramp up on wallet integrations where :
• 4+ years of backend development experience (Python, Node.js, or Go preferred).
• Hands-on experience with crypto wallets (creating, depositing, withdrawing, transactions).
• Familiarity with blockchain utilities and crypto service payments.
• Strong knowledge of APIs, microservices, and cloud deployment environments.
• Ability to learn fast and adapt to Web3-specific to Have :
• Experience building or integrating HD wallets.
• Prior work in Web3, DeFi, or blockchain-based We Offer :
• Opportunity to work at the intersection of AI and Web3.
• Ownership of backend systems that directly power innovative crypto solutions.
• Flexible and collaborative work environment.

(ref : hirist.tech)