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

4 days ago

Pune, India MarsDevs Full time

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 years.About the Role :We are looking for a skilled Backend Developer with strong Node.js and Web3 experience to help build and scale our blockchain-based applications.You will work closely with our product and frontend teams to create secure, high-performance services that power real-world crypto solutions.Key Responsibilities :- Develop and maintain backend services using Node.js.- Integrate Web3 functionalities such as crypto wallets, transactions, and payment utilities.- Design and implement secure APIs and microservices.- Collaborate with cross-functional teams to deliver scalable features.- Ensure cloud deployments follow best practices for security and performance.- Quickly adapt to new blockchain integrations and evolving crypto workflows.Requirements :- 4+ years of backend development experience with Node.js (Python or Go is a plus).- Hands-on experience with crypto wallets (create, deposit, withdraw, transfer, transaction history).- Understanding of blockchain utilities, smart contract interactions, and crypto payment services.- Strong knowledge of RESTful APIs, microservices, and cloud deployment (AWS/GCP/Azure).- Fast learner, problem solver, and adaptable to Web3-specific requirements.Nice to Have :- Experience with HD (Hierarchical Deterministic) wallets.- Prior work in Web3, DeFi, or blockchain-based products.What We Offer :- Work on innovative Web3 projects at scale.- Ownership of backend systems and architecture.- Flexible and collaborative work culture.- Opportunity to build real-world crypto solutions used by global users. (ref:hirist.tech)

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