Blockchain Developer

Infosys; Bengaluru; On-site; INR 2,000,000 - 4,000,000; Full time

Job summary

Infosys is seeking a skilled Blockchain Developer to design, build, and maintain secure blockchain-based applications. You will develop and deploy smart contracts with Solidity and Go, and manage networks on Hyperledger Fabric, Ethereum, and Besu.

Join a cross-functional team to ensure scalable, secure, and high-performance DApps, with API exposure via Java/Spring Boot/Node.js and Kafka for asynchronous messaging. Maintain SDLC standards in an Agile/DevOps environment.

Qualifications

• Hands-on experience in developing, testing, deploying secure smart contracts.
• Experience in building, maintaining, and scaling blockchain-based services and dApps.
• Strong understanding of cryptography concepts including hashing, encryption, digital signatures, and key management.
• Experience with API development using Java/Spring Boot/Node.js.
• Familiarity with Agile/Scrum and SDLC practices.

Responsibilities

• Design, develop, and maintain blockchain-based applications and decentralized solutions.
• Build and deploy secure smart contracts using Solidity and Go across multiple blockchain platforms.
• Develop and manage blockchain networks using Hyperledger Fabric, Ethereum, and Besu.
• Collaborate with Product Owners and cross-functional teams to deliver robust blockchain solutions.
• Ensure security, scalability, and performance of blockchain applications.
• Design blockchain data architecture, including on-chain and off-chain optimization.
• Develop backend services and APIs for blockchain integration using Java, Spring Boot, or Node.js.
• Integrate blockchain solutions with enterprise systems and third-party services.
• Participate in code reviews, troubleshooting, and performance tuning of blockchain apps.
• Maintain technical documentation and ensure adherence to development standards.
• Follow Agile/Scrum methodologies and DevOps best practices throughout the SDLC.

Skills

DLT basics

Smart contract development

Cryptography concepts

SDLC

Agile/Scrum

Tools

Hyperledger Fabric

Ethereum

Besu

Solidity

Go

Java

Spring Boot

Node.js

Kafka

Docker

Job description

• Strong understanding of Distributed Ledger Technologies (DLT) including Hyperledger Fabric, Ethereum, and Besu.
• Experience in smart contract development using Solidity and Go.
• Strong knowledge of blockchain fundamentals, consensus algorithms, and decentralized systems.
• Hands-on experience in developing, testing, and deploying secure smart contracts.
• Experience in building, maintaining, and scaling blockchain-based services and decentralized applications (dApps).
• Strong understanding of cryptography concepts including hashing, encryption, digital signatures, and key management.
• Experience with API development using Java/Spring Boot/Node.js.
• Familiarity with asynchronous communication platforms like Kafka.
• Proficiency in DevOps tools including CI/CD pipelines, containerization (Docker), and cloud platforms.
• Strong understanding of software architecture principles and best practices.
• Experience working across the full Software Development Life Cycle (SDLC).
• Design, develop, and maintain blockchain-based applications and decentralized solutions.
• Build and deploy secure smart contracts using Solidity and Go across multiple blockchain platforms.
• Develop and manage blockchain networks using frameworks such as Hyperledger Fabric, Ethereum, and Besu.
• Collaborate with Product Owners, Business Analysts, and cross-functional teams to deliver robust blockchain solutions.
• Ensure the security, scalability, and performance of blockchain applications.
• Design and implement blockchain data architecture, including on-chain and off-chain optimization strategies.
• Develop backend services and APIs for blockchain integration using Java, Spring Boot, or Node.js.
• Integrate blockchain solutions with enterprise systems and third-party services.
• Participate in code reviews, troubleshooting, and performance tuning of blockchain applications.
• Maintain technical documentation and ensure adherence to development standards.
• Follow Agile/Scrum methodologies and DevOps best practices throughout the SDLC.