**Role Overview:** We are seeking a skilled Web3 blockchain developer with strong experience in Ethereum and decentralized finance (DeFi). The ideal candidate should have expertise in smart contract development, ERC20 tokens, security best practices, and experience integrating with blockchain payment gateways or APIs related to stablecoins.
**Key Responsibilities:**
* Develop and deploy ERC20 smart contracts, including token minting, redemption, and transfer functionalities on Ethereum.
* Design, review, and optimize smart contracts related to crypto lending, escrow, collateral, and repayments.
* Integrate with Circle’s platform for USDC operations, understanding minting and redeeming processes via its APIs.
* Assess stability mechanisms of USDC, ensuring secure handling of minting, redemption workflows, and transactions.
* Collaborate with backend systems (Node.js / Typescript) to facilitate blockchain interactions, manage transactions, and implement error recovery.
* Implement blockchain security best practices, including transaction signing, API key management, and event validation.
* Explore interoperability between Ethereum and other blockchain networks as needed, considering costs and operational efficiency.
* Work closely with frontend and backend teams to embed blockchain transaction logic, wallet management, and transaction tracking.
* Document smart contract code, API workflows, and integration processes to support compliance and audits.
* Ensure platform adherence to relevant regulatory standards for crypto operations.
* Requirements:
* Proven experience in Ethereum smart contract development (Solidity), with a focus on ERC20 standards.
* Experience with DeFi protocols, escrow, lending, or collateral management smart contracts.
* Familiarity with Circle’s platform APIs, especially for USDC minting and redemption workflows, is a strong advantage.
* Hands-on experience with blockchain libraries such as web3.js, ethers.js, or similar.
* Understanding of blockchain transaction costs, network throughput, and interoperability considerations.
* Strong knowledge of smart contract security, auditing, and safe transaction handling.
* Experience working with backend environments like Node.js or Typescript.
* Basic familiarity with Circle’s wallet APIs, webhook integrations, and transaction validation best practices.
* Excellent coding, debugging, and documentation skills.
* Ability to work independently and collaboratively in a dynamic environment.
*
**Preferred Skills:**
* Experience across multiple blockchain ecosystems (e.g., Ethereum, Polygon, Solana).
* Prior exposure to Circle’s API systems and USDC management workflows.
* Strong security awareness around wallet management, API key handling, and transaction validation.
* Knowledge of DeFi security audits, formal verification, or related security frameworks.
* Contributions to open-source blockchain projects or experience in blockchain community engagement.
Shubham Vishwakarma
Full Stack Developer - Averlon
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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
Job Title: Blockchain Developer
Location: Bestech Business Tower (Mohali)
Job Type: Full-time
We are looking for Blockchain Developer with a minimum of 6 months to 1.5 years experience, you will be responsible for designing, developing, and implementing blockchain-based solutions, Dapps, wallet and smart contracts. You will be reposinble for developing and directly dealing with clients.
Job Responsibilities:
· Create/Design and implement reliable blockchain architectures and protocols for projects, prioritizing scalability, security, and high performance.
· Design, implement, and deploy smart contracts across diverse blockchain platforms (e.g., Ethereum, Solana). Perform comprehensive audits to guarantee security and optimal functionality.
· Develop and sustain decentralized applications (DApps) by seamlessly integrating blockchain technology with both front-end and back-end systems.
· Assist in shaping the technical strategy and roadmap for blockchain initiatives. Keep up-to-date with the latest advancements in blockchain technologies and industry developments.
· Proficiency in DeFi, NFTs, and other emerging blockchain applications.
· Work closely with clients to identify their requirements, objectives, and challenges, delivering scalable and dependable blockchain solutions.
Skills Required:
· Expertise in programming languages - Solidity, Python, Javascript, Rust and React.
· Expertise in DApp development frameworks - Web3.js, ethers.js
· Familiarity with platforms such as Ethereum, Solana, Hyperledger, Binance Smart Chain, or Polygon.
· Ability to integrate blockchain platforms with third-party systems using RESTful or GraphQL APIs.
Why Join Us?:
- Competitive salary & commission.
- Growth opportunities and a dynamic work environment.
- Comprehensive benefits.
- Decent hike on Current Salary
- Festival Celebrations
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).
C++
Java
JavascriptAs a Blockchain Developer at Cere Network, you will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Your primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and the building and launching of a blockchain network.
Responsibilities :
- Research, design, develop, and test cutting edge technologies in blockchain and beyond (real-time event sourcing, automated orchestrations, distributed big data, ML/AI, etc)
- 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
- Develop strong written English communication skills by documenting everything, from design to implementation, to process and beyond.
Skills :
- 2-5 years experience
- Strong software development background
- Experience working with large distributed computing deployments with real users
- 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 cryptography concepts
- Experience with Substrate and Rust
- Familiarity with P2P networks and high throughput and robust services
- Strong knowledge of blockchains/consensus protocol
- Strong knowledge of concurrency and writing efficient and safe multithreaded code
- Nice to have knowledge of STL, C++11
- Working on various blockchain technologies like DeFi, Ethereum, Web3, etc.
- Being ready to get a deep dive into new technology as per business use-case.
- Demonstrating thought leadership and understanding of various Blockchain platforms and capabilities.
- Designing and building industry-specific solutions using Blockchain technology
- Leading solution development in Blockchain and related technologies such asEthereum, cryptocurrencies, and smart contracts.
- Understanding functional requirements as applicable to various industries and converting them into system specifications for development.
- Defining architecture and best practices to implement the solutions.
Desired Candidate Profile
What you need to have:- Deep understanding of blockchain fundamentals (smart contracts, web3, DAOs)
- 3-5 years experience in web development using MERN stack is mandatory
- Knowledgeable about smart contract security and best practices (design patterns)
- Familiarity with Git and Version Control
- Proficiency in writing modular and well-tested code
- Hands-on experience in the latest DeFi applications and an appreciation of use cases like AMM and decentralized lending and borrowing
Requirements
-
Work experience in Web3 companies
-
Skills in Solidity and EVM compatible chains
-
Deep understanding of Web3 infrastructure
Responsibilities
-
Creating application features and interfaces by using programming languages and writing multithreaded codes.
-
Applying the latest cryptology techniques to protect digital transaction data against cyberattacks and information hacks.
-
Maintaining client and server-side applications.
-
Optimizing and securing blockchain applications by integrating new tools and technologies.
-
Development on EVM Compatible Blockchains.
Hiring Process
-
Application Review
-
Introductory Interview
-
Assessment Task
-
Technical Interview
-
Offer Letter
RustAt 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
React.jsResponsibilities
- Build and deploy architecture for complex blockchain solutions.
- 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
- Build cross-chain bridges.
- Building on-chain governance
Skills
- Strong software development background.
- Experience in Solidity.
- Worked with Defi offerings such as staking, farming, flash loans, etc.
- Experience with building on Ethereum & Matic.
- Strong knowledge of concurrency and writing efficient and safe multithreaded code
- Strong knowledge of common algorithms and data structures
- Familiarity with basic cryptography
- Familiarity with P2P networks
- Strong knowledge of bitcoin-like blockchains
Scope
- building an ERC-20 token with an in-built unlock schedule.
- building a smart contract to accept a certain ERC-20 token and take actions based on it
- farming/staking system
- collateral-based lending
- cross chain development
- on-chain governance
- Deploying NFTs
Benefits/Perks
- Remote first company
- Quarterly appraisal and bonus
- Health insurance Benefits of INR 5,00,000
- Employee professional development - Each employee has 5% of their monthly remuneration, annually to spend on educational activities or material
- Flexible working hour
And much more...
ROLES & RESPONSIBILITIES:
- Responsible for Blockchain evaluation, smart contract development, implementation supporting the digital strategy group initiatives.
- Must have hands-on experience using Solidity.
- Experience in setting up Blockchain nodes and networks.
- Design and develop the architecture of Blockchain Solutions from a systemic standpoint.
- Responsible for creating technical solution architecture for a given business problem.
- Responsible for quality of the application and implements necessary checks and balances via peer review, code scans, automated tests.
- Set the standards for design and development.
- Oversees, maintains,s and supports existing software applications.
- Provide subject matter expertise in reviewing, analyzing, and resolving complex issues.
- Prepare user and systems documentation as needed.
- Design & implement Blockchain solutions which may run on Blockchain platforms and composed of multiple software packages based on Solution Architect.
- Lead a team of Blockchain juniors/trainees.
- Work with product managers and other product teams.
- Well versed in using GitHub.
- Should be flexible to explore different blockchains be it Ethereum, Ripple, Tron, AVA, Multichain, etc
Work Location: Hyderabad - Begumpet
Exp: 3 - 5 Years
Notice Period: 0 -15 Days
Roles & Responsibilites:
1. Understand client requirements of building Ethereum, Bitcoin, Tron, or others.
2. Write smart contracts with a strong focus on security aspects
3. Create token and Write unit test cases for the smart contracts to ensure code coverage.
4. Must have experience and knowledge of writing Solidity-based smart contracts for Ethereum Blockchain.
5. Experience in development tools for Ethereum & Tron (testrpc, ganache, geth, Web3, Truffle, MetaMask, eth_lightwallet, Trust Wallet etc.)
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Full Stack Developer - Averlon