Sr. Blockchain Developer

Job Title : Lead Blockchain Developer

Experience : 5+ Years

Location : Indore (WFO/Remote)

Employment Type : Contractual

Job Summary :

We’re seeking a Lead Blockchain Developer with 5+ Years of experience in building scalable, decentralized applications. The ideal candidate has expertise in Rust, Golang, Solidity, and Node.js, with hands-on experience in Geth, Docker, and blockchain infrastructure.

Mandatory Skills : Rust, Golang, Solidity, Node.js, Geth, Docker, Ethereum architecture, Smart Contracts, Blockchain Protocols.

Key Responsibilities :

• Design and develop core blockchain protocols and infrastructure.
• Build and deploy secure smart contracts using Solidity.
• Develop tools/services for Ethereum and related networks.
• Work on performant node-level development using Rust and Golang.
• Build APIs and backend services in Node.js.
• Manage containerized environments using Docker.
• Collaborate on system architecture and conduct code reviews.
• Stay updated on blockchain trends and implement best practices.

Key Requirements :

• Strong skills in Rust, Golang, Solidity, Node.js.
• Deep understanding of Ethereum, Geth, and blockchain concepts.
• Experience with Docker, API development, and smart contract security.
• Knowledge of consensus algorithms, cryptography, and performance tuning.
• Familiarity with CI/CD pipelines and DevOps tools is a plus.

Preferred Qualifications :

• Bachelor's/Master’s in CS or related field.
• Prior contributions to open-source or Web3 projects.

Role Overview

As a Blockchain Protocol Engineer, you will work on designing, implementing, and optimizing blockchain core functionalities. This role is ideal for someone passionate about distributed systems, blockchain consensus, and protocol-level problem-solving.

Key Responsibilities

• Design, develop, and maintain blockchain protocol components (consensus, networking, storage).
• Work with Golang / Cosmos SDK or Rust + Parity Substrate to build scalable blockchain solutions.
• Implement features related to chain abstraction and account abstraction.
• Optimize performance, scalability, and security of blockchain networks.
• Collaborate with cryptographers, fullstack engineers, and DevOps teams to ensure seamless integration.
• Conduct peer code reviews and contribute to open-source blockchain initiatives.
• Troubleshoot and resolve protocol-level issues in testnet and mainnet environments.

Required Skills & Experience

• 3–5 years of software engineering experience with 2+ years in blockchain protocol development.
• Strong proficiency in Golang or Rust (Cosmos SDK / Parity Substrate experience preferred).
• Solid understanding of blockchain consensus algorithms (PoS, PoW, BFT, etc.).
• Experience with chain abstraction and account abstraction concepts.
• Knowledge of cryptographic primitives (hash functions, digital signatures, Merkle trees).
• Familiarity with P2P networking, smart contract platforms, and blockchain security practices.
• Strong debugging and performance optimization skills.

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:

1. Design, develop, and implement blockchain solutions based on business requirements.
2. Collaborate with cross-functional teams to integrate blockchain technology into existing systems and applications.
3. Research and evaluate blockchain frameworks, platforms, and tools to identify the most suitable solutions for our projects.
4. Write clean, efficient, and maintainable code for blockchain applications.
5. Implement smart contracts and decentralized applications (DApps) using Solidity or other relevant programming languages.
6. Ensure the security, scalability, and performance of blockchain solutions.
7. Conduct code reviews, testing, and debugging to ensure the quality of deliverables.
8. Stay updated with the latest developments, standards, and best practices in blockchain technology.
9. Provide technical guidance and support to team members and stakeholders.
10. Document technical specifications, architecture, and processes related to blockchain development projects.

Requirements:

1. Bachelor's or Master's degree in Computer Science, Engineering, or related field.
2. Proven experience as a Blockchain Developer or related role.
3. Strong understanding of blockchain technology, cryptocurrencies, and decentralized systems.
4. Proficiency in programming languages such as Solidity, JavaScript, Python, or C++.
5. Experience with blockchain platforms such as Ethereum, Hyperledger, Corda, or EOS.
6. Familiarity with smart contract development and deployment.
7. Knowledge of cryptographic principles and security protocols.
8. Experience with blockchain development tools, libraries, and frameworks.
9. Excellent problem-solving skills and attention to detail.
10. Strong communication and teamwork skills.
11. Ability to work effectively in a fast-paced environment and manage multiple tasks simultaneously.
12. 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!

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 . 

Desired Candidate Profile

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 ).