525 Smart Contract Developer jobs in India

Smart Contract Developer

₹1500000 - ₹2500000 Y ti Steps

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About the Role

We are seeking a skilled and security-focused Smart Contract Developer with expertise in Solidity and/or Rust to join our growing blockchain development team. You will be responsible for designing, developing, testing, and deploying smart contracts that power decentralized applications (dApps) on platforms such as Ethereum, Solana, or similar ecosystems.

Youll work alongside engineers, auditors, and product leads to build secure, scalable, and innovative blockchain-based products.

Key Responsibilities

  • Design and implement smart contracts using Solidity (for EVM-based chains) or Rust (for Solana or other Rust-based chains).
  • Develop secure, gas-efficient, and well-documented smart contracts.
  • Collaborate with product managers and designers to translate business logic into smart contracts.
  • Write unit and integration tests to ensure contract reliability.
  • Conduct code reviews and participate in security audits (internal or external).
  • Stay up to date with the latest industry trends, tooling, and best practices in blockchain development.
  • Work with frontend/backend teams to integrate smart contracts into full-stack dApps.
  • Optimize contracts for performance and scalability.

Required Skills & Qualifications

  • Strong experience with Solidity (EVM chains like Ethereum, Polygon, Avalanche) and/or Rust (Solana, Near, etc.).
  • Deep understanding of Ethereum and/or Solana architecture and smart contract lifecycles.
  • Familiarity with token standards: ERC-20, ERC-721, ERC-1155, SPL tokens.
  • Hands-on experience with tools like Hardhat, Foundry, Truffle, Remix, or Anchor (for Solana).
  • Strong grasp of blockchain fundamentals: gas, transactions, nodes, consensus, etc.
  • Experience with unit testing smart contracts using Chai, Mocha, Waffle, or similar.
  • Version control using Git and collaborative coding (GitHub, GitLab).
  • Understanding of common smart contract vulnerabilities (e.g., reentrancy, integer overflow) and how to prevent them.

Nice to Have (Bonus Skills)

  • Experience working with Chainlink, The Graph, or other web3 integrations.
  • Prior experience with zero-knowledge proofs, zk-Rollups, or privacy-preserving contracts.
  • Experience with DeFi, NFT, or DAO-based projects.
  • Familiarity with wallet integrations (e.g., MetaMask, Phantom).
  • Contributions to open-source blockchain projects.
  • Understanding of L2s and bridges (Optimism, Arbitrum, zkSync).
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Smart TV developer

₹1500000 - ₹2500000 Y PeopleLogic

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Experience: 8years+

Critical Qualifications

· Minimum 3 years of experience with HTML TV development (LG, Samsung, XBOX, Hisense, PS4, PS5)

· Deep understanding of Front-End technologies (HTML5/CSS, TypeScript, JavaScript, Tailwind CSS, React, LightningJS)

· Experience with GraphQL, REST API

· Solid understanding of object-oriented design patterns and principles

· Experience with test driven development - unit, integration and UI tests

· Strong understanding of TV user interface guidelines and best practices

· Experience with Accessibility (WCAG 2.0) and Screen Reader

· Proficient in version control systems such as Git to create pull requests, review code and merge branches

· Experience with planning and writing technical documentation

· Excellent problem solving, debugging and risk management skills

· Strong initiative, priority setting, and collaboration skills

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Smart TV Developer

Delhi, Delhi ₹250000 - ₹750000 Y TO THE NEW

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Company Description

TO THE NEW is a digital technology services company specializing in innovative product engineering solutions for diverse industries worldwide. We design and build digital platforms using Cloud, Data, and AI as core pillars. Recognized by global analyst firms like Gartner and Forrester, we excel in Digital Engineering, Cloud, Data & AI, and Digital Marketing. As a 'Great Place to Work' for several years, we boast a team of over 2000 passionate 'Newers' across North America, EMEA, India, SEA, and ANZ, with headquarters in Singapore. Visit to learn more.

Role Description

This is a full-time hybrid role for a Smart TV Developer located in New Delhi, with some work-from-home flexibility. The Smart TV Developer will be responsible for designing, developing, and maintaining high-quality applications for various Smart TV platforms. Daily tasks include coding, debugging, testing, and collaborating with cross-functional teams to deliver seamless user experiences.

Qualifications

  • Proficiency in Smart TV SDKs, HTML5, CSS3, and JavaScript
  • Experience with developing applications for platforms such as Tizen, webOS, or Android TV
  • Knowledge of RESTful APIs and integrating front-end with backend services
  • Understanding of Agile methodologies and version control systems (e.g., Git)
  • Problem-solving abilities and a keen eye for detail
  • Excellent written and verbal communication skills
  • Ability to work independently and as part of a team
  • Relevant experience in the media and entertainment industry is a plus
  • Bachelor's degree in Computer Science, Engineering, or a related field
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Smart Contract Developer

682001 Kochi, Kerala ₹75000 Monthly WhatJobs

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contractor
We are looking for a talented and experienced Smart Contract Developer to join our innovative team on a hybrid work basis. You will be responsible for designing, developing, testing, and deploying secure and efficient smart contracts on various blockchain platforms. This role demands a deep understanding of blockchain technologies, decentralized finance (DeFi), and smart contract programming languages. You will work closely with product managers and other developers to build robust decentralized applications and contribute to the growth of the Web3 ecosystem. Your ability to write clean, well-documented, and secure code will be paramount.

Responsibilities:
  • Design, develop, and implement smart contracts using languages like Solidity, Vyper, or Rust.
  • Write secure, efficient, and gas-optimized smart contract code.
  • Conduct thorough testing of smart contracts, including unit tests, integration tests, and security audits.
  • Deploy smart contracts to various blockchain networks (e.g., Ethereum, Binance Smart Chain, Polygon).
  • Integrate smart contracts with front-end applications and other decentralized services.
  • Collaborate with product managers and stakeholders to define smart contract requirements and features.
  • Stay up-to-date with the latest developments in blockchain technology and smart contract best practices.
  • Troubleshoot and debug smart contracts and associated applications.
  • Ensure smart contracts comply with industry security standards and best practices.
  • Participate in code reviews and contribute to improving team development processes.

Qualifications:
  • Proven experience as a Smart Contract Developer or Blockchain Developer.
  • Strong proficiency in smart contract programming languages (e.g., Solidity).
  • Deep understanding of blockchain principles, consensus mechanisms, and cryptography.
  • Experience with smart contract development frameworks (e.g., Hardhat, Truffle).
  • Familiarity with DeFi protocols and concepts.
  • Experience with testing frameworks and tools for smart contracts.
  • Knowledge of security vulnerabilities and mitigation techniques for smart contracts.
  • Excellent problem-solving and analytical skills.
  • Good communication and collaboration abilities.
  • Bachelor's degree in Computer Science, Engineering, or a related field.

This position is based in Kochi, Kerala, IN , and requires a hybrid work model.
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Smart Contract Developer

411001 Pune, Maharashtra ₹100000 Annually WhatJobs

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full-time
Our client is at the forefront of blockchain innovation and is seeking a talented Smart Contract Developer to join their growing team. This hybrid role will involve developing, testing, and deploying smart contracts for various decentralized applications. You will work closely with product managers, UI/UX designers, and other developers to bring cutting-edge blockchain solutions to life. The position requires a blend of on-site collaboration for strategic planning and brainstorming, and remote work for focused development tasks. The ideal candidate will have a strong understanding of blockchain architecture, experience with smart contract development languages, and a passion for building secure and efficient decentralized systems.

Responsibilities:
  • Design, develop, and implement secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon).
  • Write high-quality, well-documented, and thoroughly tested code.
  • Integrate smart contracts with front-end applications and backend services.
  • Perform security audits and vulnerability assessments of smart contracts.
  • Collaborate with the product team to define smart contract requirements and features.
  • Participate in code reviews and contribute to team best practices.
  • Stay up-to-date with the latest advancements in blockchain technology and smart contract development.
  • Troubleshoot and debug smart contract issues.
  • Work on deploying and managing smart contracts in different environments (testnet, mainnet).
  • Contribute to the overall architecture and technical direction of blockchain projects.
Qualifications:
  • Proven experience as a Smart Contract Developer or Blockchain Developer.
  • Proficiency in smart contract programming languages such as Solidity, Rust, or Vyper.
  • Strong understanding of blockchain concepts, including consensus mechanisms, cryptography, and decentralized networks.
  • Experience with blockchain development frameworks (e.g., Hardhat, Truffle) and tools.
  • Familiarity with Web3 libraries (e.g., ethers.js, web3.js).
  • Knowledge of security best practices for smart contracts.
  • Experience with version control systems (e.g., Git).
  • Excellent problem-solving and analytical skills.
  • Strong communication and teamwork abilities.
  • Ability to work effectively in a hybrid work model, balancing on-site and remote collaboration.
This hybrid opportunity allows for flexibility while fostering strong team collaboration. The core team is based in **Pune, Maharashtra, IN**, with an expectation of regular engagement in the office for key meetings and team building. We are looking for passionate blockchain developers ready to contribute to transformative decentralized technologies.
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Smart Contract Developer

600001 Chennai, Tamil Nadu ₹1800000 Annually WhatJobs

Posted 2 days ago

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full-time
Our client, a forward-thinking enterprise operating in the dynamic Crypto & Blockchain industry, is seeking a talented and experienced Smart Contract Developer to join their innovative team in Chennai, Tamil Nadu, IN . This role offers a unique opportunity to contribute to the development of decentralized applications (dApps) and cutting-edge blockchain solutions. As a Smart Contract Developer, you will be responsible for designing, writing, testing, and deploying secure and efficient smart contracts on various blockchain platforms. You will collaborate closely with product managers, blockchain architects, and other developers to translate complex business logic into robust on-chain code. Proficiency in smart contract development languages, such as Solidity (for Ethereum and EVM-compatible chains) or Rust (for Solana), is essential. You will play a key role in defining the architecture of smart contract systems, ensuring their security, scalability, and gas efficiency. Thorough testing, including unit, integration, and security audits, will be a critical part of your responsibilities to identify and mitigate vulnerabilities. Experience with blockchain development frameworks and tools (e.g., Hardhat, Truffle, Brownie) is highly desirable. You will also contribute to the development of off-chain components and integrate them with smart contracts. Staying up-to-date with the latest advancements in blockchain technology, smart contract security best practices, and emerging development tools will be crucial. The ideal candidate will have a Bachelor's or Master's degree in Computer Science, Engineering, or a related field, coupled with proven experience in developing and deploying production-ready smart contracts. A strong understanding of blockchain principles, cryptography, and distributed systems is required. Excellent programming skills, a meticulous attention to detail, and a passion for building secure and innovative decentralized applications are key. If you are a motivated developer eager to push the boundaries of what's possible with blockchain technology, this role provides an exciting platform for professional growth and impactful contributions.

Key Responsibilities:
  • Design, develop, test, and deploy secure smart contracts.
  • Write efficient and gas-optimized code in Solidity or Rust.
  • Collaborate with product teams to define smart contract requirements.
  • Ensure the security and integrity of deployed smart contracts.
  • Conduct thorough testing, including unit, integration, and audits.
  • Integrate smart contracts with off-chain applications and front-end interfaces.
  • Stay current with blockchain technology trends and security best practices.
  • Troubleshoot and resolve issues related to smart contract execution.
  • Contribute to the overall blockchain architecture and development strategy.
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