Blockchain Developer

Tekshapers; New York (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

Tekshapers is seeking a senior Blockchain Developer to design, build, and maintain enterprise-grade Web3 applications with strong backend integration. The role requires hands-on work with smart contracts, blockchain networks, and secure, scalable architectures.

You will collaborate with architects and cross‑functional engineering teams in a fast-paced environment. The candidate should bring 7+ years of backend and blockchain experience, plus expertise in Ethereum-like networks, Solidity, and

Qualifications

• 7+ years of backend and blockchain development experience.
• Experience with Solidity smart contracts.
• Experience with public and permissioned blockchain networks.

Responsibilities

• Design, develop, and deploy Web3 applications and blockchain integrations.
• Build backend services that interact with public and permissioned networks like Ethereum and Hyperledger Besu.
• Develop, test, and optimize Solidity smart contracts for security and performance.
• Integrate Web3 libraries into Java or Node.js applications.
• Implement event-driven architectures to process blockchain transactions and synchronize on-chain data.

Skills

Backend development

Blockchain

Solidity

Web3 libraries

Tools

Ethereum

Hyperledger Besu

Corda

Node.js

Java

Web3.js

Ethers.js

Job description

Job Title: Blockchain Developer (Web3)

Location: New York, NY / Jersey City, NJ

Job Type: Full-Time

Experience: 7+ Years

Job Summary

We are seeking an experienced Blockchain Developer to design, develop, and maintain enterprise-grade Web3 applications and blockchain integrations. The ideal candidate will have strong backend development expertise along with hands‑on experience in blockchain technologies, smart contracts, and decentralized applications. You will work on secure, scalable solutions involving public and permissioned blockchain networks while collaborating with architects and cross‑functional engineering teams.

Key Responsibilities

• Design, develop, and deploy Web3 applications and blockchain integrations.
• Build backend services that interact with public and permissioned blockchain networks such as Ethereum, Hyperledger Besu, and Corda.
• Develop, test, and optimize Solidity smart contracts with a focus on security and performance.
• Integrate Web3 libraries such as Web3J, Web3.js, Ethers.js, or Viem into Java or Node.js applications.
• Implement event‑driven architectures to process blockchain transactions and synchronize on‑chain data.

Collaborate with architects and engineering teams to design scalable, secure, and resilient

Tekshapers is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.