Senior Blockchain Engineer (Team Lead)

About Holitix

Holitix is a forward-thinking Web3 innovation hub dedicated to helping businesses unlock the full potential of blockchain technology. We specialize in delivering secure scalable and innovative digital solutions that enable organizations to transform operations create new opportunities and thrive in the decentralized economy.

Our role is to bridge the gap between emerging technologies and real-world business needs. From strategic consulting and product development to blockchain implementation and digital transformation Holitix serves as a trusted partner for enterprises startups and innovators looking to build the future with confidence.

By combining technical expertise industry insights and a commitment to excellence we help our clients turn ambitious ideas into impactful solutions that drive sustainable growth and long-term success.

About the Role

We are looking for a highly skilled Senior Blockchain Engineer to join our engineering team and help design build and scale secure blockchain-based products. The ideal candidate has strong experience in smart contract development blockchain protocols decentralized applications and backend systems.

You will work closely with product engineering and security teams to develop robust Web3 solutions contribute to technical architecture and ensure our blockchain infrastructure is secure scalable and reliable.

Key Responsibilities

• Design develop test and deploy smart contracts and blockchain-based applications.
• Build and maintain decentralized applications blockchain integrations and backend services.
• Work with blockchain networks such as Ethereum Polygon Solana BNB Chain Avalanche or similar ecosystems.
• Review and optimize smart contracts for security gas efficiency and performance.
• Collaborate with frontend backend product and security teams to deliver high-quality Web3 products.
• Participate in architecture decisions and contribute to technical strategy.
• Integrate wallets token standards DeFi protocols NFTs DAOs or other blockchain infrastructure as needed.
• Write clean maintainable well-documented code.
• Conduct code reviews and mentor junior engineers.
• Stay current with emerging blockchain technologies security standards and industry best practices.

Required Qualifications

• 5+ years of professional software engineering experience.
• 3+ years of hands-on blockchain or Web3 development experience.
• Strong experience with Solidity Rust Go or other blockchain-related programming languages.
• Experience developing and deploying smart contracts on mainnet or testnet environments.
• Strong understanding of blockchain concepts including consensus mechanisms wallets private keys transactions gas fees bridges and token standards.
• Experience with frameworks and tools such as Hardhat Foundry Truffle Web3.js Ethers.js Anchor or similar.
• Solid backend development experience using Node.js TypeScript Go Python or similar technologies.
• Strong understanding of security best practices for smart contracts and decentralized systems.
• Experience with Git CI/CD workflows APIs databases and cloud infrastructure.
• Excellent problem-solving communication and teamwork skills.

Nice to Have

• Experience with DeFi staking tokenomics NFT platforms Layer 2 solutions or cross-chain protocols.
• Familiarity with smart contract audits and formal verification.
• Open-source contributions in the blockchain or Web3 ecosystem.
• Experience with indexing tools such as The Graph.
• Knowledge of zero-knowledge proofs account abstraction MEV or rollup technologies.
• Previous experience working in a startup or fast-paced product environment.

What We Offer

• Competitive salary and performance-based incentives.
• Flexible working environment.
• Opportunity to work on innovative blockchain and Web3 products.
• Collaborative and growth-focused team culture.
• Professional development and learning opportunities.
• The chance to make a meaningful impact in a rapidly growing industry.

How to Apply

Please submit your resume GitHub profile portfolio or examples of previous blockchain projects. We would love to hear about smart contracts protocols or Web3 applications you have built or contributed to.

Join us and help build the future of decentralized technology.

What We Do

Holitix is a Web3 innovation hub helping enterprises startups and digital brands build scale and transform through blockchain technology and next-generation digital solutions.We specialize in delivering secure scalable and business-focused Web3 infrastructure that enables organizations to unlock new opportunities in the decentralized economy. From blockchain architecture and smart contracts to digital product development and ecosystem growth we help companies turn innovative ideas into real-world impact.Our core services include:• Blockchain Development• Smart Contract & dApp Development• DeFi & Wallet Solutions• NFT Platforms & Token Ecosystems• RWA & Tokenization Solutions• Web & Mobile Development• UI/UX Design• Blockchain Marketing & Community GrowthOur team brings deep expertise across Solidity Node.js React.js (MERN Stack) multi-chain ecosystems DeFi protocols wallet infrastructure and Web3 product development.At Holitix we believe blockchain is more than technology — it is the foundation of a more transparent connected and decentralized digital future.We partner with forward-thinking companies to build innovative solutions accelerate growth and shape the next generation of the internet.Building the future of Web3 — one innovation at a time.

Why Work With Us

Holitix combines deep Web3 expertise with real-world business execution helping companies build and scale blockchain-powered products end-to-end. We offer a fast-paced innovation-driven environment where talented people can work on cutting-edge technologies make a real impact and grow with the future of Web3.