
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

About QualiTlabs
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Job Description:
We are seeking a skilled and experienced Blockchain Developer to join our dynamic team. As a Blockchain Developer, you will be responsible for designing, implementing, and maintaining blockchain-based applications and solutions. You will collaborate with cross-functional teams to develop innovative blockchain solutions that meet our business requirements. The ideal candidate should have a strong background in blockchain technology, solid programming skills, and a passion for staying updated with the latest trends and developments in the blockchain space.
Responsibilities:
- Design, develop, and implement blockchain solutions based on business requirements.
- Collaborate with cross-functional teams to integrate blockchain technology into existing systems and applications.
- Research and evaluate blockchain frameworks, platforms, and tools to identify the most suitable solutions for our projects.
- Write clean, efficient, and maintainable code for blockchain applications.
- Implement smart contracts and decentralized applications (DApps) using Solidity or other relevant programming languages.
- Ensure the security, scalability, and performance of blockchain solutions.
- Conduct code reviews, testing, and debugging to ensure the quality of deliverables.
- Stay updated with the latest developments, standards, and best practices in blockchain technology.
- Provide technical guidance and support to team members and stakeholders.
- Document technical specifications, architecture, and processes related to blockchain development projects.
Requirements:
- Bachelor's or Master's degree in Computer Science, Engineering, or related field.
- Proven experience as a Blockchain Developer or related role.
- Strong understanding of blockchain technology, cryptocurrencies, and decentralized systems.
- Proficiency in programming languages such as Solidity, JavaScript, Python, or C++.
- Experience with blockchain platforms such as Ethereum, Hyperledger, Corda, or EOS.
- Familiarity with smart contract development and deployment.
- Knowledge of cryptographic principles and security protocols.
- Experience with blockchain development tools, libraries, and frameworks.
- Excellent problem-solving skills and attention to detail.
- Strong communication and teamwork skills.
- Ability to work effectively in a fast-paced environment and manage multiple tasks simultaneously.
- Certification in blockchain development (e.g., Certified Blockchain Developer) is a plus.
Join our team and be part of exciting projects at the forefront of blockchain technology innovation!
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 that of existing ones.
Requirements:
· Total 3 Years of experience required,Ethereum, Blockchain
· Knowledge in any one of the programming languages: NodeJS,
Java, GoLang,C, C++,PHP
· Basic understanding of blockchain technology: Bitcoin, Smart
Contracts, Solidity, Cryptography
·Knowledge in private blockchains such as Hyper Ledger, Corda is
a plus
· Basic understanding of HTML, CSS, JS, Bootstrap and knowledge
in front-end technologies such as Angular/ React/ Vue is a plus.
· Knowledge in databases and database modelling: MySQL,
PostgreSQL, MongoDB
· Understanding of Software Development Lifecycle (SDLC)
· Experience using Git for version control
Responsibilities:
- Develop application functionality using various coding languages.
- Setting security measures against various types of cybercrimes.
- Maintain client and server-side applications.
- Train the fellow team members on blockchain technology.
- Attend meetings, brainstorm sessions, and daily standup for enhancing your knowledge of new technologies.
- Adhering to all the rules and regulations of data protection for digital payments.
- Staying updated with the latest crypto technologies for data protection.
Required Skills:
- 6+ years of exp in Designing, developing, and testing blockchain systems.
- Ability to write efficient and modular code.
- Good exp in preparing documentation on the blockchain development processes.
- Securing the blockchain network with new technologies.
- Utilize cryptography techniques to protect against hackers and other cyber attacks.
- 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
-understanding with Javascript and Node.js + TypeScript , Express JS
-Familiar with JS tools
-Experience writing code from scratch
-Thrive in a fast-paced working environment, owning deadlines and striving for efficiency
-Familiarity with GIT, Jira, Redmine, or similar project management and issue tracking software
-Working knowledge of design principles, typography, user interfaces, Web standards and usability
-Familiar with interaction design and information architecture methods and principles
**~Job requirements~**
- good in data structure and algorithm
- willing to learn solidity web3 and blockchain technologies
- Handson with Node js and express.js
- working in a young, ambitious, and international team
- good to have experience building an API from scratch
- Are interested in security and its best practices
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
ideated 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

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 ).
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.)









