
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

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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
Job Title: Blockchain Developer
Company: Interakt Techsol Pvt Ltd
Location: [Hyderabad]
Job Type: Full-time
Experience: 3-5 yearsAbout Us:
Interakt Techsol Pvt Ltd is at the forefront of cutting-edge blockchain technology, driving innovation in decentralized finance and web3 applications. We are committed to building robust, scalable, and secure solutions that revolutionize the way businesses operate. Join our team of passionate developers and contribute to the future of blockchain technology.Job Description:
We are looking for an experienced Blockchain Developer to join our dynamic team. The ideal candidate will have a strong background in blockchain technologies, specifically in Solana, Cosmos SDK, Rust language and Anchor Framework. You will be responsible for developing and maintaining decentralized exchange (DEX) platforms, ensuring the highest standards of security, performance, and reliability.Key Responsibilities:
- Develop and maintain blockchain-based applications using Solana, Cosmos SDK, Rust language and Anchor Framework.
- Design and implement decentralized exchange (DEX) platforms with a focus on scalability and security.
- Collaborate with cross-functional teams to define, design, and deliver new features.
- Write clean, maintainable, and efficient code.
- Conduct thorough testing and debugging of blockchain applications.
- Stay up-to-date with the latest developments in blockchain technology and integrate them into projects.
- Participate in code reviews and provide constructive feedback to peers.
- Ensure the performance, quality, and responsiveness of applications.
Required Skills and Qualifications:
- Minimum 3 years of experience in Solana, Smart contract development using Rust. (5 years of experience is preferable ).
- Proficiency in Solana web3, Cosmos SDK, Rust language and Anchor Framework.
- Proven experience in developing and deploying decentralized exchange (DEX) platforms.
- Strong understanding of blockchain principles, consensus algorithms, and cryptographic techniques.
- Strong Knowledge and Dev experience in Solana Famous Dexs(Jupiter, Raydium, Orca, Meteora) and Liquidity, Staking system.
- Experience with smart contract development and deployment.
- Familiarity with front-end and back-end development.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently and as part of a team.
- Strong communication skills and the ability to explain complex technical concepts to non-technical stakeholders.
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:
- 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.
Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
website: https://rejolut.com/" target="_blank">https://rejolut.com/
Job Description
1. Good knowledge of Rust & Solidity
2. Should have a deep understanding & knowledge of blockchain architecture & use cases.
3. Experience in writing smart contracts for large-scale production blockchain applications.
4. Should have good analytical & problem-solving skills.
5. Should have ability to design database and back-end development to communicate with blockchain.
6. Candidates with research aptitude will be preferred.
7. Experience in cryptocurrencies would be preferred
8. Must have a minimum 2+ years of experience.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Work Schedule:
Day Shift/Flexible working hours
Monday to Friday
- 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
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.
https://electronlabs.org/">Electron Labs is building a new protocol to make various blockchains interoperable. Our goal is to enable cross-chain contracts to connect with each other in the same way as same-chain contracts connect i.e., via function calls. We have developed a new in-house tech called https://garvitgoel.medium.com/what-is-bdlc-and-how-it-works-5716fbbacde8">Bi-Directional Light Client that allows a smart contract to independently verify whether the cross-chain transactions submitted to it are valid. We further use ZK-SNARKS to reduce the gas cost of running the light client on-chain.
Desired Qualifications
- A good grasp of blockchain fundamentals, various consensus algorithms, and detailed knowledge of at least one major blockchain.
- Previous work (demonstrable) in blockchain technology, web3, or protocol development
- In-depth understanding of Number Theory and Cryptography. Knowledge of Cryptographic Algorithms and zero-knowledge proofs are highly preferred.
- Superior mathematics and problem-solving skills, excellent pattern recognition, passion for solving puzzles.
- Proficiency in one of the following languages: Go-lang, Rust, is highly preferred. Working knowledge of Solidity, Javascript, Python, or similar scripting languages puts you in front of our list
- Grounded research skills and an ability to absorb documentation quickly
- Strong background in Computer Science. Knowledgeable in Algorithms and Data Structures.
Roles and Responsibilities
- You will be assigned one blockchain (Ethereum /Polygon /NEAR /tendermint /Polkadot/Aleo). You will be required to implement the light client of this blockchain in https://docs.circom.io/">Circom language (Domain Specific Language for ZK-SNARKS).
- Write go-lang based networking relayers that enable communication between blockchains and zk-provers.
- Maintain relayer and zk-prover infrastructure (cloud machine and codebase)
- Write kickass documentation.
Location: Delhi NCR, India | Remote
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!
- Writing and Understand smart contracts using Solidity
- Write backend APIs using Next JS, Node JS
- Experience is cross chain development, block chain oracles, multi sig is desirable
- Thorough understanding of block chain components.
- Thorugh understanding of IDO process, Swapping protocols, Tokenomics
- Understanding of Docker, Kubernetes , Cloud technologies like AWS , GCP is highly desirable.










