Blockchain Developer

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.

• Proficient in Solidity programming language
• Experience with wallet integrations
• Experience with ethers.js/web3.js
• Experience with Nodejs
• Experience with upgradable contracts, dynamic contracts, and factory contracts
• Design and develop smart contracts and decentralized applications on Ethereum, Polygon and Tron
• Excellent knowledge of various token standards like ERC20, ERC721 and ERC1155
• Write end-to-end unit tests for all smart contracts

Be the brain behind a real based tokens project where real liquidity powers P2P trading.

We build next-gen blockchain tokens (ERC20/BEP20/TRC20) that are instantly transferable P2P, divisible, tradable on escrow systems, and backed by real liquidity.

Who We’re Looking For:

IIT graduates preferred with strong Blockchain + DeFi expertise

Solidity + Web3.js / Ethers.js expert

Experienced in tokenomics, stablecoins, AMMs, liquidity pools & P2P escrow

Ability to mint max tokens with minimal liquidity investment while keeping price stable

Key Responsibilities:

Deploy secure ERC20/BEP20/TRC20 tokens

Design liquidity-backed tokenomics

Optimize capital efficiency & AMM strategies

Build P2P escrow smart contracts

Maintain stable token price peg across exchanges

Job Summary 

We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network.

 Experience: 2+

Location: Jaipur 

Responsibilities: 

• Research, design, develop, and test blockchain applications
• Brainstorm and help evaluate applications, technologies and tools as these continually evolve
• Maintain and extend current distributed applications, be responsible for its integration and workflows
• Document new solutions as well as maintaining that of existing ones
• Develop and maintain artefacts
• Participate in presales activities when it is required 

Requirements:                       

• Strong blockchain development experience on network, protocol and application layer
• Experience working with open-source platforms Hyperledger, Ethereum etc.
• Understanding the private blockchain network. Desirable.
• Experience with different PAAS solutions offered by different cloud platforms such as Azure, AWS etc. Desirable.
• Strong experience with computer networking is desirable including details of network topology and OSI layer protocols.
• API integration experience with 3rd party applications is desirable
• Experience with Secure coding practices is a plus
• Think out of the box and don't give up easily, as blockchain is a fairly complex concept and there isn't much help available in programmers forums.

Role:Blockchain Developer

Salary: 4,00,000 - 5,400,000 P.A.

Industry:https://www.naukri.com/it-services-consulting-jobs">IT Services & Consulting

Functional Area:https://www.naukri.com/consulting-jobs">Consulting

Role Category:IT Consulting

Employment Type:Full Time, Permanent

Education

UG:B.Tech/B.E. in Any Specialization

Company Profile

Appinop  technologies Pvt ltd

About Appinop

Innovation begins with like-minded people aiming to transform the world together.

We invite you to become a part of an organization that has been helping clients transform their business by fusing insights, creativity, and technology. At Appinop, we embrace a diverse mix of talented people who come here to stay and do their best work. 

At Appinop, we transform passionate individuals into proficient professionals dedicated to exploring new frontiers in Software development. Here you will get the opportunity to work with technical craftsmen that are pioneer in latest technologies

We promote a culture of equality, learning, collaboration, and creative freedom so that our employees grow.

For more information about our solutions and organization, visit www.Appinop.com, 

Company Info:

Corporate Address: Appinop Technologies - 41, Prince Road, Ajmer Rd, Vidhyut Nagar - A, Jaipur, Rajasthan 302021

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).

Desired Candidate Profile

Requirements

Responsibilities

Hiring Process

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

Responsibilities:-

Ø  Research, design, develop, and test blockchain technologies.

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

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

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

Ø  Document new solutions as well as maintaining that of existing ones.

Skills:-

Ø  Strong  software development background.

Ø  Experience working with large codebases.

Ø  Experience working with open-source projects.

Ø  Proficiency in one of the following languages: C++, Java, JavaScript ( Depending on the project ).

Ø  Strong  knowledge of common algorithms and data structures.

Ø  Familiarity with basic  cryptography.

Ø  Familiarity with P2P networks.

Ø  Strong knowledge of bitcoin-like blockchains.

Ø  Strong knowledge of concurrency and writing efficient and safe multithreaded code.

Ø  Strong knowledge of STL, C++11 ( In the case of a blockchain-based on C++ ).

Ø  Proficiency in the Qt Widgets module ( Applies to projects where a GUI wallet application is needed ).