MarsDevs - Backend Developer - Node.js/Web3.js

<p><p><b>Description :</b><br/><br/>MarsDevs is a remote-first, offshore digital product development company, committed to delivering high-quality code and long-lasting technical architectures.<br/><br/>We specialize in building MVPs, mobile and web applications, and SaaS products for startups and SMBs.<br/><br/>Our services include systematic project analysis, UI/UX design, technical consulting, application deployment, and ongoing support.<br/><br/>Based in India, MarsDevs has successfully delivered over 60 solutions across 10 countries and 12 industry verticals in the last four years.<br/><br/><b>Backend Developer (Node.js + Web3 + AI) Key Responsibilities :</b><br/><br/>- Build, maintain, and scale backend services powering our AI Signals platform.<br/><br/>- Develop Node.js-based APIs and microservices with high performance and security.<br/><br/>- Integrate Web3 functionality wallet creation, crypto transactions, on/off-ramp payment utilities.<br/><br/>- Collaborate with product and frontend teams to ship reliable and scalable features.<br/><br/>- Ensure secure deployments and best practices in cloud environments.<br/><br/>- Quickly adapt to new integrations and ramp up on crypto wallet/payment flows as needed.<br/><br/><b>Requirements :</b><br/><br/>- 4+ years of backend development, with strong hands-on experience in Node.js (Python or Go is a bonus).<br/><br/>- Proven experience with crypto wallets (create, deposit, withdraw, transfer, transaction history).<br/><br/>- Understanding of blockchain utilities, smart contract interaction, and crypto payment services.<br/><br/>- Strong knowledge of RESTful APIs, microservices architecture, and cloud deployment (AWS/GCP/Azure).<br/><br/>- Ability to learn fast, troubleshoot deeply, and adapt to Web3-specific requirements.<br/><br/><b>Nice to Have :</b><br/><br/>- Experience building or integrating HD (Hierarchical Deterministic) wallets.<br/><br/>- Prior work in Web3, DeFi, or blockchain-based products.<br/><br/>- Familiarity with AI-driven systems or data-heavy applications.<br/><br/><b>What We Offer :</b><br/><br/>- Work at the cutting edge of AI + Web3 innovation.<br/><br/>- End-to-end ownership of backend systems and architecture.<br/><br/>- A flexible, product-focused, and collaborative work culture.<br/><br/>- Opportunity to build real-world crypto solutions used at scale.</p><br/></p> (ref:hirist.tech)