Blockchain Expert

Job Title : Lead Blockchain Developer

Experience : 5+ Years

Location : Indore (WFO/Remote)

Employment Type : Contractual

Job Summary :

We’re seeking a Lead Blockchain Developer with 5+ Years of experience in building scalable, decentralized applications. The ideal candidate has expertise in Rust, Golang, Solidity, and Node.js, with hands-on experience in Geth, Docker, and blockchain infrastructure.

Mandatory Skills : Rust, Golang, Solidity, Node.js, Geth, Docker, Ethereum architecture, Smart Contracts, Blockchain Protocols.

Key Responsibilities :

• Design and develop core blockchain protocols and infrastructure.
• Build and deploy secure smart contracts using Solidity.
• Develop tools/services for Ethereum and related networks.
• Work on performant node-level development using Rust and Golang.
• Build APIs and backend services in Node.js.
• Manage containerized environments using Docker.
• Collaborate on system architecture and conduct code reviews.
• Stay updated on blockchain trends and implement best practices.

Key Requirements :

• Strong skills in Rust, Golang, Solidity, Node.js.
• Deep understanding of Ethereum, Geth, and blockchain concepts.
• Experience with Docker, API development, and smart contract security.
• Knowledge of consensus algorithms, cryptography, and performance tuning.
• Familiarity with CI/CD pipelines and DevOps tools is a plus.

Preferred Qualifications :

• Bachelor's/Master’s in CS or related field.
• Prior contributions to open-source or Web3 projects.

Blockchain Developer

Location: India, Remote

Employment Type: Full-Time / Contract

Department: Engineering

About Us

OpenAssets is building open standards for the next generation of capital markets, providing the trusted foundation for real-world asset tokenization and digital currencies.

We specialize in alternative asset digitization, offering regulatory-conscious tools to design, issue, and manage digital assets in complex financial environments. We also develop loyalty solutions that turn customer engagement into programmable digital assets, helping brands create personalized experiences that drive growth.

OpenAssets operates at the intersection of finance, technology, and regulation focused on building secure, scalable, and open infrastructure for the future of digital markets. Join OpenAssets and be part of shaping the future of digital finance!

Overview

We are seeking a Blockchain Developer to lead the technical implementation of our Web3 infrastructure. In this role, you will be responsible for the end-to-end lifecycle of smart contracts and their integration into our broader financial ecosystem. You will act as a technical authority on blockchain security, scalability, and architecture, ensuring our platform meets the rigorous demands of institutional digital finance.

What You’ll Do

Smart Contract & Blockchain Development

• Design, develop, test, and deploy smart contracts and blockchain applications.
• Build and maintain secure, scalable backend services for blockchain products.
• Develop and maintain cross-platform applications that integrate with on-chain infrastructure.
• Integrate wallets, payment systems, and blockchain APIs with existing systems.
• Optimize for gas efficiency, transaction latency, reliability, and scalability.

Security & Quality

• Implement and uphold best practices for blockchain security and smart contract auditing.
• Review smart contracts and backend code for security vulnerabilities and performance issues.
• Support audits, security reviews, and production releases.
• Maintain high test coverage and disciplined release processes.

Collaboration & Communication

• Collaborate with product and engineering teams to define and deliver technical requirements.
• Communicate technical concepts clearly to both technical and non-technical stakeholders.
• Mentor junior engineers and contribute to a strong engineering culture.
• Stay current with emerging blockchain technologies, DeFi, and Web3 infrastructure trends.

Qualifications & Experience

• Experience: 3+ years of software engineering experience with at least 3+ years of hands-on blockchain/Web3 development.
• Blockchain Core: Strong experience with Solidity and EVM-compatible chains (Ethereum, Polygon, and others).
• Production Deployment: Proven track record building, testing, deploying, and maintaining smart contracts in production.
• Deep Technical Knowledge: Solid understanding of blockchain architecture, including consensus mechanisms, gas optimization, wallet flows, token standards, and transaction lifecycles.
• Full-Stack Proficiency: Good understanding of the MERN stack (MongoDB, Express.js, React, Node.js) and how full-stack applications integrate with blockchain infrastructure.
• Backend Expertise: Proficiency in Node.js and TypeScript with experience building RESTful backend applications.
• Testing & Tooling: Experience with smart contract and backend testing frameworks (e.g., Foundry, Hardhat, Mocha, Jest) and Web3 libraries like Ethers.js or Web3.js.
• Cloud Infrastructure: Hands-on experience with AWS, including deploying, managing, and scaling services like EC2, S3, Lambda, and RDS.
• Databases & DevOps: Comfortable with relational (PostgreSQL) and non-relational (MongoDB) databases, Git, and collaborative development workflows.
• Soft Skills: Strong communication skills in English with the ability to articulate technical concepts to diverse stakeholders.

Nice to Have

• Familiarity with the Move language (Sui, Aptos).
• Experience with smart contract audit tooling such as Slither, Mythril, or Manticore.
• Exposure to RWA tokenization, DeFi, stablecoins, NFTs, staking, or bridging protocols.
• Professional background in fintech, payments, or regulated blockchain use cases.

We are committed to providing equal opportunity for qualified applicants to contract positions, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. This is a contract opportunity, not a direct employment role.

Hiring: Hyperledger Fabric Developer

📍 Location: Gurugram

🏢 Work Mode: Onsite

📅 Working Days: Monday to Saturday (6 Days)

🔹 Role Overview

Join our team to build and maintain secure, scalable private blockchain networks. You’ll play a key role in deployments, upgrades, and live network management, ensuring high performance and stability.

🔹 Key Responsibilities

• Develop and maintain chaincode and Fabric network components
• Setup and manage Fabric 1.4 private networks (Peers, Orderers, Channels, MSPs, CAs)
• Support Fabric 2.x lifecycle processes (packaging, approvals, upgrades)
• Handle production environments (monitoring, troubleshooting, performance tuning)
• Add and onboard new peers into live networks with minimal/no downtime
• Collaborate with DevOps for automation, security, and deployments

🔹 Must-Have Skills

• Strong hands-on experience with Hyperledger Fabric 1.4
• Experience in end-to-end deployment of private networks
• Exposure to Fabric 2.x environments
• Experience working in live production setups
• Deep understanding of:
• MSP updates & certificate handling
• Channel configuration & peer onboarding
• Anchor peers & endorsement policies

🔹 Good-to-Have

• Experience with Docker, Kubernetes, Helm, CI/CD pipelines
• Knowledge of Fabric CA, TLS, and network security
• Strong debugging skills across chaincode and network logs

🔹 Preferred Skills

• Proficiency in Go (Golang) for chaincode
• Linux, scripting, and Git

Experience: Minimum 5 years in blockchain development

Blockchain Networks: Hyperledger Fabric, Stellar, Solana

Key Skills:

Proficiency in Golang with a minimum of 4 years of experience

Strong understanding of cryptography, resource optimization, and data clustering

Hands-on experience with NoSQL databases (CouchDB, Cassandra, or DynamoDB preferred)

Familiarity with CI/CD tools and processes (Docker, Kubernetes, Jenkins, GIT)

Project Knowledge:

Crypto Exchange platforms

Smart Contract Development

Tokenization and NFT projects

Key Responsibilities:

Design and develop blockchain-based solutions aligned with business needs

Develop and optimize smart contracts and decentralized applications

Collaborate with cross-functional teams to deliver high-quality solutions

Implement and ensure security best practices across blockchain solutions

Analyze and enhance blockchain network performance.

Who We Are Looking For:

We are looking for a Go getter Blockchain & Solidity Developer who learns fast, who is humble and values teamwork. The kind of person who joins our Team is passionate and willing to think outside of the box and execute on it. We are committed to helping you grow, challenging you with hard, meaningful work and celebrating our successes and failures together.

Preference:

• Please send your resume, github and current draw to sainath@ primetrade.ai
• 3+ years of software experience ( Full stack) , 1+ years of Solidity development experience
• Good coding experience with NodeJS, ReactJS, Solidty
• Be open to work in Hybrid ( Remote + Office in Hyderabad, India)

Technical Skills

• Experience in development of solidity smart contracts and operating mechanism of blockchain encryption algorithms, consensus mechanism, security protocols etc.
• Proven work experience of deployments on ETH/BSC/MATIC networks and other EVM Chains
• Understanding of virtual machine architecture, memory, and stack.
• Familiar with Truffle, Waffle, and Hardhat, and the pros and cons of each framework.
• Familiarity with code versioning tools (git) and repo management.
• (Plus) Understanding of mainstream DeFi ecosystems like Uniswap, Compound, Curve etc.

Soft Skills

• Proficiency in English & Communication
• Team Collaboration and task management

What You Will Be Doing:

• Collaborates with the team on conceptualizing and developing new applications. Write high-quality, pragmatic code as part of a multidisciplinary agile team.
• Participate in design, development and code reviews.
• Take accountability for end-to-end production, testing, and shipping of code.

Our Offering:

• Purpose: You’ll be part of something bigger, working towards building a