Blockchain Developer

About the Role

We are building a next-generation blockchain and crypto platform focused on secure, scalable, and high-performance digital asset infrastructure. We are looking for a hands-on Full Stack Lead Developer who can architect, build, and scale production-grade systems while mentoring a growing engineering team.

You will play a key technical leadership role, owning full-stack architecture, development standards, and delivery in a fast-paced Web3 startup.

Key Responsibilities

Technical Leadership

• Lead end-to-end full-stack architecture and development using Node.js, React, and TypeScript
• Drive technical design decisions, code quality, and engineering best practices
• Review code, mentor developers, and raise the overall technical bar of the team
• Collaborate closely with Product, DevOps, Security, and Blockchain teams

Backend (Node.js)

• Design and build scalable backend services using Node.js (NestJS/Express/Fastify)
• Develop secure REST & GraphQL APIs
• Handle authentication, authorization, KYC integrations, and transaction workflows
• Work with databases: PostgreSQL, MongoDB, Redis
• Implement event-driven systems, message queues, and background workers

Frontend (React)

• Build modern, responsive UIs using React + TypeScript
• Implement complex dashboards for crypto/blockchain workflows
• Work with state management (Redux, Zustand, React Query)
• Ensure performance, accessibility, and clean UI architecture

Blockchain & Crypto Integration

• Integrate with blockchain networks (Ethereum, EVM chains, Solana, etc.)
• Work with smart contracts, wallets, RPC providers, and indexers
• Handle crypto-specific concepts: transactions, signatures, gas, wallets, custody
• Collaborate with smart contract engineers for backend/frontend integrations

DevOps & Security

• Work with Docker, CI/CD pipelines, and cloud platforms (AWS/GCP/Azure)
• Ensure application security, performance, and scalability
• Apply secure coding practices for crypto-grade systems

Mandatory Skills & Experience

• 8+ years of software development experience
• Strong expertise in Node.js, React, and TypeScript
• Experience building large-scale, production-grade applications
• Solid understanding of system design, microservices, and APIs
• Strong database design and performance optimization skills
• Hands-on experience leading or mentoring engineering teams
• Experience working in startup or fast-paced environments

Good to Have (Highly Preferred)

• Hands-on experience in Blockchain / Crypto / Web3 projects
• Smart contract integration experience (Solidity, Web3.js, Ethers.js)
• Experience with DeFi, wallets, exchanges, or digital asset platforms
• Knowledge of security best practices in crypto systems
• Prior experience working with regulated or institutional platforms

What We’re Looking For

• A hands-on tech leader, not just a people manager
• Someone who thrives in ambiguity and fast execution
• Strong ownership mindset with product thinking
• Passion for Blockchain, Crypto, and emerging technologies

Why Join Us

• Build cutting-edge blockchain infrastructure
• High ownership and real impact on product direction
• Work with a senior, ambitious leadership team
• Opportunity to scale systems used by global users