10+ DAPP (Decentralized Applications) Jobs in India

Context for the Candidates:

Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.

Key Discussion Points:

• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?

• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.

• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?

• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?

• Share best practices for gas optimization, contract upgradability, and backend scalability.

Evaluation Criteria:

1. Technical Knowledge:

• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.

• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).

• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.

2. Problem-Solving and Integration Skills:

• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.

• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.

3. Experience and Expertise:

• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.

• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.

4. Innovation and Critical Thinking:

• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.

• Discussion on the future potential of blockchain technology and how the tech stack can evolve.

5. Communication and Team Collaboration:

• Clear articulation of technical challenges and how to address them in a team setting.

• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.

CoinFantasy is looking for a Blockchain Architect to spearhead the development of innovative blockchain solutions, leveraging the expertise to ensure seamless integration of DeFi. From conceptualization to deployment, you will lead the charge in architecting robust and scalable blockchain infrastructures, driving the evolution of our product offerings and enhancing the user experience.

Responsibilities :

- Design and architect innovative blockchain solutions, including consensus mechanisms, tokenomics, smart contracts, and decentralized governance models.

- Working closely with Business and software developers in designing and creating innovative solutions.

- Lead the development of blockchain protocols and decentralized applications, ensuring scalability, security, and interoperability with existing systems..

- Provide technical leadership and guidance to development teams, driving best practices in blockchain development, code review, and quality assurance

- Create technical documentation, architecture diagrams, and presentations to communicate complex concepts and design decisions effectively to both technical and non-technical stakeholders

- Analyzing the needs, resources, and problems of the company and providing necessary solutions.

- Working with open-source projects and codebases.

- Keeping up with current blockchain technology and cryptocurrency trends.

- Ensure compliance with industry standards and best practices for blockchain security, privacy, and regulatory requirements

Requirements :

- Bachelor's/Master Degree in Engineering, IT ,Computer Science or equivalent educational qualification.

- 10+ years of overall experience in Software Development

- 5+ years of Hands-on experience with the development and implementation of blockchain solutions.

- Strong understanding of blockchain architecture, protocols (e.g., Proof of Work, Proof of Stake), and consensus algorithms

- Proven track record of successfully delivering blockchain projects from concept to production

- Experience with rust or golang and node.js must.

- Knowledge in Java & C++ , python

- Strong back-end skills.

- Excellent problem-solving skills and the ability to analyze complex technical issues in a fast-paced environment.

- Proven leadership experience in leading cross-functional teams and driving project deliverables to completion.

About Us :

CoinFantasy is a Play to Invest platform that brings the world of investment to users through engaging games. With multiple categories of games, it aims to make investing fun, intuitive, and enjoyable for users.

It features a sandbox environment in which users are exposed to the end-to-end investment journey without risking financial losses.

Benefits :

- Competitive Salary

- An opportunity to be part of the Core team in a fast-growing company

- A fulfilling and challenging work experience

- Practically unlimited professional and career growth opportunities

Job Description:

As a Blockchain Developer, you will be responsible for harnessing your deep expertise in blockchain technologies to deliver innovative and secure solutions. You will work closely with our development team to implement blockchain-based systems that address our clients' needs. Your responsibilities will include, but are not limited to:Responsibilities:

1. Blockchain Development: Design, develop, and maintain blockchain applications, smart contracts, and decentralized solutions using various blockchain platforms, such as Ethereum, Hyperledger, or others.
2. Architecture and Design: Collaborate with the team to define blockchain architecture and system requirements, ensuring scalability, security, and optimal performance.
3. Smart Contracts: Create, test, and deploy smart contracts using Solidity or other relevant programming languages. Ensure the correctness and efficiency of smart contract code.
4. Integration: Integrate blockchain solutions with existing systems and databases, and ensure seamless data flow between blockchain and off-chain components.
5. Security: Implement security best practices, conduct code reviews, and perform security audits to identify and mitigate vulnerabilities in blockchain applications.
6. Performance Optimization: Optimize blockchain solutions for performance, scalability, and cost-efficiency, including transaction speed and gas fees reduction.
7. Documentation: Maintain detailed documentation of blockchain applications, smart contracts, and development processes to facilitate future development and auditing.
8. Research and Innovation: Stay up-to-date with the latest blockchain technologies, industry trends, and best practices. Propose innovative solutions to improve existing processes.
9. Collaboration: Collaborate with cross-functional teams, including front-end and back-end developers, designers, and product managers, to deliver integrated blockchain solutions.
10. Testing and Quality Assurance: Conduct rigorous testing, debugging, and quality assurance to ensure the reliability and security of blockchain applications.
11. Troubleshooting: Investigate and resolve technical issues, system failures, and performance bottlenecks related to blockchain solutions.
12. Compliance: Ensure compliance with relevant regulations and industry standards, such as GDPR and AML/KYC requirements, when applicable.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Minimum of 3 years of professional experience in blockchain development.
• Proficiency in blockchain technologies, including Ethereum, Hyperledger, and other relevant platforms.
• Strong programming skills in languages like Solidity, Golang, or Rust.
• Experience with blockchain development tools, frameworks, and libraries.
• Knowledge of cryptography and cybersecurity principles.
• Familiarity with decentralized applications (DApps) and web3.js.
• Excellent problem-solving and analytical skills.
• Effective communication and teamwork abilities.
• Ability to adapt to a rapidly evolving technology landscape.

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.

Dapps is a decentralized app store that makes it easy to adopt and find Web 3 applications. Dapps use protocol-level technology as their foundation to create a decentralized, open-source app store.

To us, a company’s culture is the team’s everyday actions and beliefs. We aspire to create a team of individuals who hold common values but are diverse in their worldviews.

• Work with multi-disciplinary teams: design, art, production, engineering, etc. from product conception and throughout production to shape and thoroughly document the product strategy, including feature sets, merchandising, purchasing drivers, pricing, tools, and other success factors.
• Measure the success of product features after release and optimize their performance through split testing and rapid, data-informed iteration.
• Ideally, you have previous technical experience with Decentralized products. You are driven by shipping financial services built on crypto assets and public blockchain infrastructure.
• Highly organized with the ability to manage projects and consistently meet deadlines.
• Ability to resolve business as well as technical issues and served as a liaison between business groups and technical developers.
• Flexibility to adapt to a changing environment, keeping current with new and updated processes and procedures

• 3+ years of relevant experience
• Conversant in the fundamentals of DeFi/Web3/Blockchain/Crypto
• Strong analytical skills and ability to strategize across multiple product areas and potential business opportunities
• Love for unicorns :)
•  

• We make sure you are growing professionally with quarterly goals and appraisals
• Health is wealth, so we provide health insurance
• Stand on Top - Employee professional development program
• Welcoming a new member of the family is a great please so we provide maternity and paternity leave

And much more...

We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Your primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and building and launching a blockchain network.

Also, the Position requires maintenance & further development of the existing platform

• Research, design, develop, and test blockchain technologies
• Document new solutions as well as maintain of existing ones
• Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals

1. Requirements

• Hands-on experience in Ethereum, Solidity, Golang, Nodejs, Javascript, NFT, ERC Tokens, DeFi, DAPPS
• Strong software development background, Expertise in Rest API design and development.
• Experience working in NoSQL databases like MongoDB.
• Strong knowledge of common algorithms and data structures
• Proficient understanding of code versioning tools, such as Git, and familiar with concepts of Cloud-based microservices.

Must have worked with Blockchain products and played a vital role to build that application as a developer