
- Expertise in Typescript, Nodejs and Golang.
- Prior working experience in Hyperledger 2.x.
- Strong understanding of blockchain, smart contracts, consensus mechanisms and cryptography.
- Proficiency in developing Chain codes/Smart Contracts.
- Experience building front end applications using Angular.
- Proficient in MongoDB.
- Experience with Relation databases like MySQL, MSSQL.
- Write application code, smart contracts, and unit test cases according to the quality guidelines.
- Work across multiple teams, mentor junior developers and actively participate in code reviews.
- Co-ordinate with architects to produce technical designs.
- Skilled in Docker, Kubernetes, Nginx, Git.
- Knowledge of design patterns and best practices.
- Document the development process, architecture, and standard components.
- Awareness of CI/CD pipelines.

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Experience: Minimum 5 years in blockchain development
Blockchain Networks: Hyperledger Fabric, Stellar, Solana
Key Skills:
Proficiency in Golang with a minimum of 4 years of experience
Strong understanding of cryptography, resource optimization, and data clustering
Hands-on experience with NoSQL databases (CouchDB, Cassandra, or DynamoDB preferred)
Familiarity with CI/CD tools and processes (Docker, Kubernetes, Jenkins, GIT)
Project Knowledge:
Crypto Exchange platforms
Smart Contract Development
Tokenization and NFT projects
Key Responsibilities:
Design and develop blockchain-based solutions aligned with business needs
Develop and optimize smart contracts and decentralized applications
Collaborate with cross-functional teams to deliver high-quality solutions
Implement and ensure security best practices across blockchain solutions
Analyze and enhance blockchain network performance.
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!
Min Exp – 4 years
Location – Dwarka, Delhi
Immediate joiners are preferred
About the company – We are a web development and digital marketing company in Delhi, India. We have been serving our clients globally since 2012. We offer quality assured and revenue driven digital services at affordable rate.
Role summary - We seek an experienced Web3 Developer to join our team and help us build and maintain our Ecosystem based on blockchain. Our platform is built using React for the front end, Node.js, TypeScript, MongoDB for the backend, and Solidity for smart contracts. Someone passionate about blockchain technology and with a strong understanding of the Web3 ecosystem.
Responsibilities:
1. Blockchain Solution Design:
- Collaborate with stakeholders to understand business requirements and identify areas where blockchain technology can add value.
- Design and architect blockchain solutions, including selecting appropriate blockchain platforms, consensus mechanisms, data structures, and smart contract frameworks.
- Develop technical specifications, system architectures, and integration strategies for blockchain-based applications.
- Ensure blockchain solutions align with industry best practices, security standards, and compliance requirements.
2. Blockchain Development:
- Lead the development and implementation of blockchain applications, smart contracts, and decentralized protocols.
- Design and implement APIs and integration points for seamless interaction between blockchain and existing enterprise systems.
- Conduct thorough testing and debugging to ensure blockchain solutions' performance, security, and reliability.
- Collaborate with development teams to define blockchain development coding standards and best practices.
3. Security and Privacy:
- Implement robust security measures, encryption techniques, and access controls to protect blockchain data and transactions.
- Address privacy concerns and design solutions that ensure the confidentiality of sensitive information while maintaining transparency.
- Stay up-to-date with the latest security vulnerabilities and recommend strategies to mitigate risks in blockchain implementations.
4. Scalability and Performance Optimization:
- Optimize blockchain solutions to enhance scalability, transaction throughput, and system performance.
- Evaluate and implement scaling solutions, such as sharding, sidechains, or layer 2 protocols, to address the limitations of blockchain platforms.
- Conduct load testing and performance tuning to identify bottlenecks and optimize resource utilization.
5. Blockchain Governance and Consensus:
- Define governance models and consensus mechanisms suitable for specific use cases and industry requirements.
- Assess and recommend appropriate consensus algorithms, such as Proof of Work (PoW), Proof of Stake (PoS), or Practical Byzantine Fault Tolerance (PBFT), based on the project's needs.
- Establish protocols for transaction validation, block verification, and network participation.
6. Research and Innovation:
- Stay updated with the latest advancements and emerging trends in blockchain technology.
- Conduct research and experimentation to explore the potential of new blockchain platforms, protocols, and tools.
- Evaluate and recommend third-party blockchain solutions, frameworks, and libraries to accelerate development processes.
7. Collaboration and Leadership:
- Collaborate with cross-functional teams, including developers, engineers, product managers, and business stakeholders, to align technical requirements with business goals.
- Provide technical guidance and mentorship to development teams regarding blockchain technologies, best practices, and coding standards.
- Act as a subject matter expert, delivering presentations and training sessions on blockchain concepts and solutions.
Qualifications and Skills:
- Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
- Extensive experience in blockchain development and architecture, with a deep understanding of blockchain concepts, protocols, and platforms (such as Ethereum, Hyperledger Fabric, Corda, etc.).
- Proficiency in programming languages commonly used in blockchain development, such as Solidity, Go, or Java.
- Strong knowledge of smart contracts, decentralized applications (DApps), and blockchain development frameworks.
- Familiarity with cryptographic principles, encryption algorithms, and security best practices in the context of blockchain.
- Experience with cloud platforms and infrastructure (such as AWS, Azure, or Google Cloud) for deploying and managing blockchain networks.
- Understanding of decentralized storage, identity management, and tokenization concepts.
- Excellent problem-solving and analytical skills, with the ability to architect complex and scalable blockchain solutions.
- Strong communication and leadership skills to collaborate effectively with multidisciplinary teams and drive successful project outcomes.


We are looking for a Blockchain Developer with a focus on scaling best
practices, reducing engineer toil, and ensuring reliability and stability of the NST Blockchain Platform. This engineer will also work with all engineers to understand pain points and find a balance in the “now” vs the “future”, while also proposing foundational Blockchain. This individual will need to take into consideration performance, reliability, stability, and developer happiness to ensure that we are providing a world-class community-building experience for our internal team, external contributors, creators, and users.
Priorities can change in a fast-paced environment like ours, so this role
includes, but is not limited to the following:
1. At least 3+ years of work experience in blockchain related projects
(preferably enterprise blockchain)
2. Good knowledge in Hyperledger Fabric related projects.
3. Knowledge of Data Structures is preferred.
4. Good with either one of the programming languages: JavaScript or Golang
(preferably Golang)
5. Experience working with some DevOps tools like docker, docker-compose,
ansible. (Knowledge of Kubernetes is even better)
6. Experience working with both SQL & NoSQL Databases, DB Migration,
Disaster Recovery.
7. Should be able to manage a small team, in terms of work management,
coding sessions, code review.
8. Good communications skills.
9. Additional certification in either Hyperledger or Kubernetes is preferred.
Our client uses protected methodologies to invert valuation of novel cryptographic assets during private DLT secured, varied contractual based, real-world exchange. It offers access to over 30 unique digital tools and solutions. With both Business-to-Business (B2B), and Direct-To-Consumer (DTC) models active, the company is a Blockchain, Software, Platform and Security as-a-service solution (B/S/P/SaaS).
The company has clients from all over the world and is boosting the independent economy by empowering members with private digital ownership of IP. Headquartered in the UK, the company has its offices in Hong Kong, USA, Thailand and India.
What you will do:
- Working with various departments to coordinate and develop digital CRM solutions including bespoke in-house software
- Writing clean, manageable code and maintaining proper documentation
- Writing smart contract integration in JS using web3 like libraries
What you need to have:
- Minimum 2 years of hands-on experience with Solidity and Ethereum like Blockchains
- Experience in deploying smart contracts
- Experience in MEAN stack
- Understanding of blockchain concepts
- Experience with distributed storage is plus
- Ability to work within the team and independently
- Strong organizational, time management and analytical skills
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
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!
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.)
- 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.

