Blockchain Developer

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.

Job Summary

We are building a blockchain platform focused on NFT-based records and tokenization of real-world assets (RWA). The frontend is already developed, and we are looking for a skilled Blockchain Backend Engineer to design and implement smart contracts and blockchain services.

This role involves building production-grade, verifiable blockchain systems with a strong focus on NFTs, on-chain verification, and metadata integrity.

Key Responsibilities

Phase 1 – Immediate Scope

• Design and develop NFT minting and issuance (single & batch)
• Implement NFTs linked to real-world records (certificates, titles, permits)
• Enable on-chain public verification (Token ID, Contract Address, Blockchain)
• Design and manage NFT metadata (on-chain / IPFS) with metadata locking
• Implement document hash anchoring for tamper-proof verification
• Develop public verification APIs and QR-based verification flow
• Work with at least one EVM-compatible blockchain (Polygon / Base / Ethereum L2)

Phase 2 – Nice to Have (Future Scope)

• Security token issuance with transfer restrictions
• Whitelisting and compliance-ready token flows
• Investor onboarding and agreement binding
• Distribution handling, investor data room, and referral tracking

Required Skills

• Strong experience in Solidity
• Hands-on development with ERC-721 and/or ERC-1155
• Smart contract development, testing, and deployment
• Experience with EVM blockchains
• Proficiency in Web3 libraries (ethers.js / web3.js)
• Knowledge of IPFS and on-chain data anchoring
• Ability to design secure, scalable, and verifiable blockchain architectures

Good to Have / Bonus Skills

• Experience with Real-World Asset (RWA) tokenization
• Exposure to security tokens or compliance-focused Web3 platforms
• Prior work on enterprise or regulated blockchain solutions

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

• 4-6 years of proven experience as a Full stack engineer
• 2+ years of Blockchain development experience in Hyperledger Fabric, IPFS and development of smart contracts in Golang.
• Good understanding of multiple Blockchain platforms such as Hyperledger Fabric, Quorum, Ethereum etc
• Experience in Java, JavaScript Experience in developing and designing RESTful services and APIs
• Experience in Microservices architecture
• Sound knowledge on Docker and Kubernetes applications
• Experience in Banking, Financial and Fintech domain is an added advantage
• Familiarity with Blockchain protocols is a plus
• Knowledge of Agile development environment is preferable
• Ability to work within a fast-paced, collaborative environment and handling multiple projects
• Customer-first mentality, intellectual curiosity, and hunger
• Interested in learning new technologies, creative, open-minded and a great team player
• Bachelors or master’s degree in engineering (preferably Computer Science or Information Technology)

Responsibilities:

• Collaborate with R&D teams and incorporate blockchain into the development and design of solutions that employ cross-asset frameworks and concepts
• Leadership abilities in order to provide the team with the correct direction to ensure that the correct solution is implemented with tremendous success.
• Build performance indicators to assess the performance of the Blockchain.
• Preparation of a risk and failure analysis and risk prevention plan.
• Train and advise technical employees on Blockchain tools and frameworks, Blockchain principles, and so forth.

Required Skills:

• Worked on new technologies and develop performance standards for appraising any new solutions.
• Extensive knowledge of blockchain architectural concepts and the development of storage solutions.
• He shall have a solid understanding of Blockchain foundations, consensus algorithms, and smart contracts 
• Excellent knowledge of blockchain frameworks, for example, Hyperledger Fabric, R3 Corda, and Ethereum
• Good command over the several consensus algorithms used for the Bitcoin Blockchain, Ethereum, Byzantine fault-tolerant algorithms
• Strong understanding of cryptography, in order to provide greater security and immutability to the system

Job Position - BlockChain Developer

Experience - 4+ Years

Job Location - Bangalore

Responsibilities:

• Search, design, develop, and test blockchain technologies.

• Brainstorm and help evaluate applications for new tools and technologies as they continually evolve.

• Maintain and extend current client- and server-side applications responsible for integration and business logic.

• Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals.

• Document new solutions as well as maintain the existing ones.

Requirements:

• Total 4+ Years of experience in Backend Development and minimum 1+ years of experience in Ethereum, Blockchain

• Knowledge of any one of the programming languages: NodeJS, Java, GoLang, C, C++, PHP

• Basic understanding of blockchain technology: Bitcoin, Smart Contracts, Solidity, Cryptography

• Knowledge of private blockchains such as Hyper Ledger, and Corda is a plus

• Basic understanding of HTML, CSS, JS, Bootstrap, and knowledge of front-end technologies such as Angular/ React/ Vue is a plus.

• Knowledge in databases and database modeling: MySQL, PostgreSQL, MongoDB

• Understanding of Software Development Lifecycle (SDLC)

• Experience using Git for version control

We are a Research and Development firm focusing on building DeFi products revolving around Decentralized Liquidity Provision and active LP management.

We are a high-output research team of 5 from a variety of backgrounds, spanning from Machine Learning and System Engineering, all the way to fintech and business.

We are looking for a DeFi Software Engineer who has a deep understanding of Ethereum and tons of curiosity!

What are we Building:
We are building an Ethereum-based Protocol for structured yield and synths. The protocol leverages permissionless-ness and transparency of DeFi to create predictable yield and increase capital efficiency of capital deployed over various products in the DeFi ecosystem.

Our first product focuses on liquidity management on Uniswap V3.

Responsibilities

• Designing, building and testing smart contracts and related infrastructure
• Researching new DeFi protocols and its connectors and building on them
• Building real-time monitoring tools and working with our team on latency-sensitive operations
• Ethereum Node Infrastructure
• R&D at a protocol level

Qualifications

• Deep technical and practical understanding of DeFi protocols and DevOps practices for interfacing with them (both Ethereum and any other relevant one) Must have extensive knowledge of Solidity, smart contract development (web3js or ethersjs), testing and deployed a functioning smart contract on ETH mainnet.
• Knowledge of Javascript (knowledge of Golang/Python programming is nice to have).
• Must be comfortable working with either hardhat or truffle.
• Comfortable working in a dynamic, research-oriented team with several ongoing concurrent projects
• You look forward to working with an interdisciplinary team that longs to find solutions together.
• Knowledge of DeFi isn't a must but is a big plus!

The number of years of experience does not matter as long as you have built complex projects from scratch, a burning desire to learn more, constantly improve yourself and solving tricky problems on a daily basis. We're a small team so you can assure yourself that whatever you contribute - in terms of engineering, or otherwise - is always heard and discussed.

Benefits

• Competitive salary and performance-based bonuses
• A young startup work environment, where your initiatives and ideas count and are rewarded
• A unique open research environment, where everybody contributes and sees the full spectrum of our work, from inception to production
• The chance to shape our firm's legacy and exchange knowledge with the team on every part of what we do.

The role is remote. Please share github profiles and details of previous projects worked on (both commercial and personal).

We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and building and launching a blockchain network.

Essential Skills :

• Strong software development background

• Experience working with large codebases

• Solidity, Web3.js, Ethereum, Truffle, Remix, Smart Contracts, Cryptography, Wallets, Blockchain Fundamentals, DeFi & Banking Domain

• Experience working with open-source projects

• Proficiency in one of the following languages: C++, Java, JavaScript 

• Strong knowledge of common algorithms and data structures

• Familiarity with basic cryptography

• Familiarity with P2P networks

• Strong knowledge of bitcoin-like blockchains / Stable coins

• Strong knowledge of concurrency and writing efficient and safe multithreaded code

• Strong knowledge of STL, C++11 

• Proficiency in the Qt Widgets module 

Responsibilities :

• Research, design, develop, and test blockchain technologies

• Brainstorm and help evaluate applications for new tools and technologies as they continually evolve

• Maintain and extend current client- and server-side applications responsible for integration and business logic

• Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals

• Document new solutions as well as maintain of existing ones

At Olegacy, we build applications connecting people to Web3. Our office is in Bengaluru and Dubai. We are expanding to our Dubai office and would love to invite all individuals who are passionate about the blockchain space to apply. We are currently seeking a Blockchain Engineer to help develop and build a decentralized finance application. The ideal candidate is a self-inspired individual who is passionate about blockchain technologies and disrupting current potential financial norm.

Responsibilities

• Work with the team to achieve product update milestones within the set time frames
• Design, develop, program, test, debug and maintain smart contracts code for a decentralized application
• Apply the latest cryptography techniques to protect digital transaction data against cyberattacks and information hacks

• Evaluate scalability, security, performance and gas optimization of the decentralized application
• Collaborate with the team on API design
• Collaborate with the team on planning and implementing frictionless user experiences

Qualifications

• Bachelor's / Master's degree in Computer Science
• Strong proficiency in Cryptography
• Strong proficiency in smart contracts written in Solidity
• Strong proficiency in JavaScript, NODE.js and C++
• Experience with blockchain technology​
• Bonus: Understanding of the intricacies of iOS and Android
• Bonus: Experience developing NFTs on Ethereum

Soft Skills

• Team Player
• Strong English language communication skills
• Self-starter
• Enjoys working in a fast-paced start-up culture
• Growth mindset