NodeJS (Node.js)
MongoDBideated and built innovative web2 variants of games like Ludo, Snakes and Ladders,
Carrom, and more. We are now stepping into web3 space as we have figured out
exciting ways to make our games even more engaging by combining both of these
worlds together. We are looking to expand our team with energetic, self-motivated
people who are enthusiastic about web3, willing to learn, experiment and do what it
takes to make things happen. We are scouting for Blockchain Developers having
hands-on experience in Ethereum and sidechains like Polygon. You will be
responsible for designing, implementing, and supporting our blockchain based
Dapps.
Roles and Responsibilities :
● Analysing requirements, designing and implementing smart contracts around
a certain business model, as well as building & launching a new token
● Lead the technical design and implement web3 product roadmap
Must have:
● 1 to 3 years of experience in developing on Ethereum and Ethereum Layer2
networks and deployment of smart contracts on sidechains like Polygon
● Experience to write gas-optimized solidity smart contracts with provided
business logic
● Experience on Ethereum development frameworks such as Truffle, Hardhat,
and Ganache local blockchain
● Experience on token standards such as ERC20, ERC721, ERC1155, and
ERC777, etc.
● Good understanding of Blockchain platforms and consensus protocols
● Good experience with nodejs, mongodb, mysql, kafka, redis and GIT
● Strong software development background
● Experience working with large codebases
Good to have:
● Conceptual understanding of ICO, IEO, IDO, and STO
● Understanding of Defi tokens, launchpads, and automated market makers
(AAMs) such as Uniswap, Sushiswap, and Pancakeswap, etc.
● Good understanding of liquidity provisioning, token staking, and market
analysis.
● Experience with Docker and Kubernete
Shubham Vishwakarma
Full Stack Developer - Averlon
About Zupee
About
Mission Zupee
We have made it our mission to improve people’s lives by improving their learning ability, skills and mental aptitude through scientifically designed Games. We have already helped over 10 million people improve their general knowledge, critical thinking and competitive skills. We are living in an age of competition and it is important to stay sharp and well informed. Zupee is committed to enhancing and enabling talent and skills for the workforce of the future by creating formats that educate, inform, entertain and reward the skills based behaviour of our users.
About us
Founded in 2018 by two IIT Kanpur graduates, We are backed by marquee investors and have raised USD 19Mn in series-A thus far. As India’s fastest growing skill-based Gaming company, we’re at the forefront of the industry and now holding a new vision to become the world’s leading gamification platform.
Our Growth Story
The online gaming industry is growing at an annual rate of 40% and is expected to become a 14 billion USD market in India by 2025. Zupee’s growth has galloped past the industry and become profitable at the EBT level in record time with more than 10Mn user base & consumer spend of 2Bn USD on our platform.
Follow links below to know more about our recent Forbes Asia 30under30 & fundraise coverages:
2. https://www.vccircle.com/matrix-partners-india-leads-series-a-funding-round-in-gaming-app-zupee
3. https://www.vccircle.com/exclusive-smile-group-backs-gaming-startup-zupee
4. https://www.forbes.com/profile/zupee/?list=30under30-asia-consumer-technology&;sh=1c4e8e5a1cb0
Our Culture
Zupee thrives on a culture of entrepreneurship (ownership & hustle), customer obsession, bias for diagnosis & action and trust & respect for everyone. We keep our mission first in order to win customer’s trust above everything.
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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
- 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
NodeJS (Node.js)MongoDB1. Work closely with the Founders to plan and develop the architecture and engineering vision for the product.
2. Roll out and advocate for new engineering principles and processes while supporting, maintaining, and updating existing ones.
3. With the help of your team members, educate and execute on Software Engineering best practices for testing, deploying, and developing code.
4. Be ready to roll up sleeves to assist your team when there are most urgent, difficult or critical developments to produce
5. Drive the apt technology choices (e.g. languages, libraries, frameworks)
6. Layout the technology architecture for both immediate and long term growth
7. Take appropriate risks for technical debt to develop prototypes in a short timescale
*Leadership responsibilities*
1. Mentor and guide the professional and technical development of your team members.
2. Hire and build a Software development team
3. Represent the Technology progress on the company vision to the Board/CXOs
4. Participate with Core-team in making key Product and tech roadmap related decisions
*Experience*
1. You have 7+ years of relevant engineering work experience.
2. You have significant experience working on a SAAS-based platform.
3. You have experience architecting enterprise Blockcahin applications (Any Blockchain framework is fine but Hyperledger will be preferred)
4. You have a strong technical background and are able to contribute to design and development across the software product lifecycle
5. You are familiar with our tech stack (Hyperledger/Nodejs / ReactJs / PostgreSQL / AWS / Linux)
6. You are familiar with implementing organizational processes using tools like Jira / Git / Slack etc.
7. You've worked on large-scale SaaS products and can rapidly familiarize yourself with complex products.
8. You have a strong focus on metrics and know how to measure the health of engineering teams.
9. Strong organizational skills and a focus on developing processes support the long term growth of the product engineering group.
10. You have experience running Agile teams.
Technical Experience
- Solid understanding of and experience in BlockChain Development preferred
- 2+ years of Blockchain application development experience on platforms such as Ethereum, Hyperledger, BigchainDb, Multi-Chain.
- Experience in solution building on Blockchain technology.
- Experience on development tools such as Geth, Hyperledger Fabric/Sawtooth, Composer, Solidity Remix Functional
- Basic understanding of Web applications architecture and protocols.
- Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus
- Any previous integration expertise, Strong in Agile, Banking or Financial Service development expertise, as well as software development in a large Enterprise environment, also required Security Architecture / Cryptography
- Front-end development experience in HTML, CSS, JavaScript, ES6/TypeScript Angular, Node.js, ReactJS .
Technical Experience :
- Solid understanding and experience in BlockChain Development preferred
- 1+ years of Blockchain application development experience on platforms such as Ethereum, Hyperledger, BigchainDb, and Multi-Chain.
- Experience with NodeJS
- Experience in solution building on Blockchain technology.
- Experience with development tools such as Geth, Hyperledger Fabric/Sawtooth, Composer, Solidity Remix Functional
- Basic understanding of Web application architecture and protocols.
- Any additional expertise with Python, containerization (Docker), and additional Cloud exposure is also a huge plus
- Any previous integration expertise, Strong in Agile, Banking, or Financial Service development expertise, as well as software development in a large Enterprise environment.
JavascriptJob descriptio
Roles and Responsibilities
- Enable secure digital transactions by creating systems to record and store blockchain data in a way that prevents changes or hacks.
- Design secure blockchain technologies, develop application features and interfaces, and maintain client and server-side applications.
- Research, design, develop, and test blockchain technologies
- Maintain and extend current client- and server-side applications responsible for integration and business logic
- Develop high-quality software for Ethereum or Hyperledger in Go, Python, Solidity, and JavaScript
- Utilizing cryptography techniques to protect against hackers and other cyber-attacks
- Developing application functionality using various coding languages
Preferred Candidate
- Deep understanding of crypto-economics
- 1-4 years of Experience in Blockchain and distributed ledger technologies and development
- Proficient in RDBMS, NodeJS, C++, NoSQL, JavaScript, Java, algorithms, data structures, and distributed databases
- Familiar with cryptographic principles
- Experience of Blockchain architecture, standards/protocols, and private keys
- Experienced in developing in AWS, Azure, or any other cloud space
Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
The ideal candidate will be responsible for developing highly scalable and secure code.
Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library/networks at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code
-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
Desired Candidate Profile:-
- Setting up and configuring Full node clients for various Blockchains.
- In Depth understanding of atleast two blockchain network like Ethereum, Hedera Hashgraph, Tezos, Hyperledger, BlockApps, Algorand, Corda etc
- Working closely with DevOps to make blockchain infrastructure robust and scalable.
- Designing and writing well-structured APIs in Node.js to connect to Blockchain infrastructure.
- Develop and manage various applications to integrate Blockchain infrastructure into the main product.
- Staying up to date with new developments and news in integrated chains, like forks, main net launches, migration.
- Documenting architecture and guidelines.
- Always being on the lookout to enhance technology, by finding and making new tools, utilities, and libraries.
- Managing and enhancing a cutting edge tech stack, comprising of Node.js, ES2016/17 (Javascript), AWS, MongoDB, SQL
- Cross-team contribution whenever required.
- Familiarity with basic cryptography
- Familiarity with P2P networks
Culture
- Fast-paced, intellectually stimulating, steep learning, and growth
- Close-knit, hardworking, supportive colleagues
- Challenging work
- Flat organization with no hierarchy
- If you like problem solving, and love latest technology, there are very few better places
How we are different
-We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology
Why to join us
-We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry
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
React.jsNodeJS (Node.js)2.front end work on React js
3.Backend work on Nodejs for api and scheduler part
4.Database Mysql/Mongodb
5.Should be worked on *Cryptocurrency Exchange* Bitcoin,Ethereum,Tron,etc
6.cryptocurrency core node setup
7.who worked on *mlm plan smart contract on tron network like direct referral income, level income and daily return roi* - advantage for
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon