
- 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

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Who we are
CoinCROWD is building the future of crypto spending with CROWD Wallet, a secure, user- friendly wallet designed for seamless cryptocurrency transactions in the real world. As the crypto landscape continues to evolve, CoinCROWD is at the forefront, enabling everyday consumers to use digital currencies like never before.
We’re not just another blockchain startup—we’re a team of innovators, dreamers, and tech geeks who believe in making crypto fun, easy, and accessible to everyone. If you love solving complex problems and cracking blockchain puzzles while sharing memes with your team, you’ll fit right in!
What you’ll be doing
As a key member of our engineering team, you will be responsible for designing, developing, and maintaining robust, scalable, and high-performance backend systems that support CoinCrowd’s
innovative products.
You will be responsible for...
• Designing and implementing blockchain-based applications using QuickNode, Web3Auth, and Python or Node.js.
• Developing and maintaining smart contracts and decentralized applications (dApps) with a focus on security and scalability.
• Integrating blockchain solutions with CROWD Wallet and other financial systems.
• Collaborating with frontend developers, product managers, and other stakeholders to deliver seamless crypto transactions.
• Ensuring high availability and performance of blockchain infrastructure.
• Managing on-chain and off-chain data synchronization.
• Researching and implementing emerging blockchain technologies to improve CoinCROWD’s ecosystem.
• Troubleshooting and resolving blockchain-related issues in a timely manner.
• Ensuring compliance with blockchain security best practices and industry regulations.
• Contributing to architectural decisions and best practices for blockchain development.
What we need from you
We're looking for dynamic, self-motivated individuals who are excited about shaping the future of crypto spending;
• This will be a Full-time role.
• May require occasional travel for conferences or team meetups (Yes, we love those!).
• Bonus points if you can beat our CTO in a game of chess or share an awesome crypto meme!
• Location - WFH initially
What skills & experience you’ll bring to us
• 3 to 10 years of experience in software development, with at least 3+ years in blockchain development.
• Strong knowledge of QuickNode and Web3Auth for blockchain infrastructure and authentication.
• Proficiency in Python or Node.js for backend development.
• Experience in developing, deploying, and auditing smart contracts (Solidity, Rust, orequivalent).
• Hands-on experience with Ethereum, Polygon, or other EVM-compatible blockchains.
• Familiarity with DeFi protocols, NFT standards (ERC-721, ERC-1155), and Web3.js/ Ethers.js.
• Understanding of blockchain security best practices and cryptographic principles.
• Experience working with RESTful APIs, GraphQL, and microservices architecture.
• Strong problem-solving skills and ability to work in a fast-paced startup environment.
• Excellent communication skills and ability to collaborate effectively with cross-functional teams.
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
- 3-5 years of professional experience in web development with a strong focus on JavaScript stack technologies.
- Proven experience in integrating blockchain technology into web applications, with a deep understanding of blockchain protocols, smart contracts, and decentralized applications (dApps).
- Proficiency in multisignature, multiparty computation and 3rd party Node provider integration
- Experience with public blockchain platforms such as Bitcoin, Ethereum, etc.
- Solid understanding of RESTful APIs and web services.
- Strong problem-solving skills and the ability to troubleshoot complex issues.
- Excellent communication and collaboration skills.
- Ability to thrive in a fast-paced, agile environment and adapt to changing priorities.
- Experience with continuous integration and deployment (CI/CD) pipelines is a plus.
- Experience in setting up Bitcoin core, and Geth node is a plus
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).
We at Arcana(arcana.network) are looking for someone well versed with applied math and cryptography to help design our protocol and allied systems.
Specifically, we are looking for knowledge in a significant subset of the following:
- Verifiable Delay Function(VDF) implementation
- Distributed key generation(DKG) and management(DKMS)
- Encryption schemes
- Game theoretical (dis)incentivisation on a decentralized network
- Distributed Random Number generation
- End to End Encryption schemes
- Zero Knowledge proofs
- Verifiable computation
Academics and part time consultants also welcome to apply.
We are looking for a Blockchain Developer who has around 2-3 years of experience, and has past experience with working on blockchain-based systems and scenarios. The ideal candidate would be someone who understands the concepts of Blockchain technology and having working experience on Rust and Solana.
-
Desire to work in a startup environment, fun@work culture and able to self-manage.
-
In Depth understanding of at-least two blockchain network like Rust, Substrate, Polkadot Solana, Hedera Hashgraph, Tezos, BlockApps, Algorand, Corda, Lambda, Cargo etc
-
Familiarity with basic cryptography to understand the essentials of blockchain systems.
-
Hands on in Rust
-
Designing and writing well-structured APIs in Node.js and MongoDb to connect to Blockchain infrastructure
-
Staying up to date with new developments and news in integrated chains.
-
Past experience with Wallets or Crypto Exchanges would be a major plus.
-
Experience with third-party libraries and APIs.
-
Experience working in an agile development process.
-
Documenting architecture and guidelines.
-
Be proficient in using version control and continuous integration, with tools such as Gitlab, Git and Jenkins.
-
Write clear, maintainable and testable code that you are proud of.
-
Attend training and education where necessary to up-skill themselves.
-
Experience in writing smart contracts for large-scale production blockchain applications.
-
Cross-team contribution whenever required.
-
Familiarity with basic cryptography.
-
Should have a deep understanding of the blockchain and cryptocurrency space and smart contract systems, specifically having a deep understanding of Rust.
Why us?
We at Wow Labz are always striving to look for exciting problems to solve. Whether we’re creating new products or helping a small startup extend its reach, we build from our heart. We’re entrepreneurial and we love new ideas. Fun culture with a team that cares about your development and growth.
What are we looking for?
We are looking for a tech enthusiast working primarily on blockchain technology to be part of the core blockchain team at Wow Labz. You would be a part of the Roadmap team that is working on the architecture, design, development and deployment of our decentralized platform.
It comprises a suite of products to create the next generation data economy. It would not just facilitate, but also incentivize the curation, clean-up / classification and verification of the world’s open data. In the process, it would create value for a wide spectrum of token holders including – data owners, data scientists / data workers, publishers, yield farmers / liquidity providers / market makers, data oracles and data buyers.
Your primary responsibilities would be analyzing requirements, designing blockchain technology around a certain business model and launching a blockchain network.
Please be sure to highlight the following in your resume:
- Publicly accessible links to the projects you have built and deployed. These need to be blockchain based. (MANDATORY)
- List of certifications you have completed on blockchain development (optional).
Responsibilities:
- Participate in the full life cycle of blockchain development, from research and analysis to architecture (security, performance, scalability etc), design and execution (coding, testing, benchmarking, deployment).
- Develop (code hands on) protocols, backend APIs and dApps
- Mentor team members, review code artifacts and provide technical guidance, hands on training
- Manage or oversee the DevOps of blockchain projects
- Publicly speak at tech meetups, organise forum sessions or webinars (we’ll create the opportunities).
- Maintain and extend current client- and server-side applications responsible for integration and business logic
- Stay up to date with the developments in the global blockchain community
- Maintain existing protocols and dApps
- Raise the bar in writing clean, well documented code
- Hire talented developers as a part of the Blockchain team
Required Skills & Experience:
- 2+ years of minimum experience in Blockchain development
- Strong software development background
- Strong knowledge of various blockchain technologies like Ethereum, Polkadot, Solidity, Substrate and related tools (Truffle, geth, etc.)
- Experience with Web3.js, RPC, IPC and web socket connections
- Experience with wallets like Metamask, Mist or Polkawallet
- Strong knowledge of ERC20, ERC777, ERC721
- Understanding of tokenomics, token inflation and similar concepts
- Strong experience implementing utility tokens
- Strong knowledge of common algorithms and data structures
- Familiar with popular consensus mechanisms (POW, POS, NPOS, DPOS, POA, etc)
- Familiar with distributed P2P protocols like bit torrent
- Experience with cryptographic libraries (SHA, TripleDES, RSA, HMAC, MD5, Blowfish, etc)
- Experience with Git
- Highly capable of executing in a fast-paced, virtual, changing environment
Any of this is a BIG PLUS:
- Hands on experience with Rust/ Substrate
- Contribution to open source blockchain projects
Persona of the kind of people who would be a culture fit:
- Curious and aware of the latest digital and social media trends
- Strong relationship-building skills
- Exceptional analytical reasoning, problem-solving, and creative thinking skills
- Extremely self-driven and able to execute in a diligent manner
- Get a kick out of leading a solution towards its completion
- Fun to hang out with!
Required Experience:
- Experience in trading software/platform
- Experience in trading crypto and other financial assets
- Strong Mathematical and analytical education
- Strong knowledge of Technical Analysis
- Experience of using different Technical Indicators
- Experience and working knowledge of statistical models and tools, such as SPSS, Regression Analysis/Variance etc. is preferable.
- Startup mindset, heavily ambitious, self-driven are key attributes for the role
- Attention to detail and ability to proactivity "working things out" is key
- Strong communication and ability to work within a team environment
Required Skills:
- Design and manage automated trading strategies for crypto assets
- Must be able to handle bigger amounts of capital over time
- Use data, analysis, and trading expertise to deliver the desired results
- Perform research into various aspects of the GlobalCrypto markets
- High level of organization and conscientiousness
- The ability to provide energy, drive and enthusiasm for your team
- The dream to grow your career as the company scales
What we look for:
- Very strong numerical, logical reasoning and analytical skills
- Programming (e.g. Python, Java, C++) skills are desirable but not mandatory
- Strong commercial acumen
- Resilience and a determination to succeed
- Independent thinkers with growth mindset
- Must be self-motivated and able to learn quickly

