Belmont Lavan
We are seeking an experienced Blockchain / Web3 Developer who will design, build, test, and deploy smart contracts, integrate them with front‑end and back‑end systems, and ensure high standards of security, performance, and usability. You will collaborate with product, UX, frontend, and backend teams to deliver production‑ready features, contribute to architecture decisions, and continuously improve our Web3 stack.
Key Responsibilities
Design, write, and deploy secure smart contracts
Implement token standards (ERC‑20, ERC‑721, ERC‑1155) and upgradeable contracts using libraries like OpenZeppelin
Optimise contracts for gas usage, performance, and security, including audits and peer reviews
Integrate Web3 libraries with front‑end applications and wallets
Develop backend services / APIs that interact with on‑chain and off‑chain data
Work with Layer‑2 / roll‑ups / scaling solutions, bridges, and/or cross‑chain integrations where required
Write automated tests, maintain CI/CD pipelines, and ensure robust coverage and code quality
Maintain clear technical documentation, and mentor more junior engineers
Requirements
5–8+ years experience in blockchain / Web3 development
Strong Solidity skills; experience with EVM chains; familiarity with non‑EVM is desirable
Proficiency in Web3 tools: Hardhat, Truffle, Foundry, etc.
Experience with front‑end technologies (React, Next.js) and backend
Good grasp of REST / GraphQL APIs, database work (SQL / NoSQL), and decentralised storage
Solid understanding of Web3 security best practices
Ability to work in an agile, collaborative team; good communication skills in English
Desirable Extras
Experience with gas‑efficient contract design and Layer‑2 roll‑ups
Prior exposure to zero‑knowledge proofs, account abstraction, or decentralised identity (DID) systems
Open source contributions or code samples / portfolio of deployed smart contracts or projects
Experience in marketplace / escrow / auction mechanics
Seniority level: Mid‑Senior level
Employment type: Contract
Job function: Information Technology
Industries: IT Services and IT Consulting
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Key Responsibilities
Design, write, and deploy secure smart contracts
Implement token standards (ERC‑20, ERC‑721, ERC‑1155) and upgradeable contracts using libraries like OpenZeppelin
Optimise contracts for gas usage, performance, and security, including audits and peer reviews
Integrate Web3 libraries with front‑end applications and wallets
Develop backend services / APIs that interact with on‑chain and off‑chain data
Work with Layer‑2 / roll‑ups / scaling solutions, bridges, and/or cross‑chain integrations where required
Write automated tests, maintain CI/CD pipelines, and ensure robust coverage and code quality
Maintain clear technical documentation, and mentor more junior engineers
Requirements
5–8+ years experience in blockchain / Web3 development
Strong Solidity skills; experience with EVM chains; familiarity with non‑EVM is desirable
Proficiency in Web3 tools: Hardhat, Truffle, Foundry, etc.
Experience with front‑end technologies (React, Next.js) and backend
Good grasp of REST / GraphQL APIs, database work (SQL / NoSQL), and decentralised storage
Solid understanding of Web3 security best practices
Ability to work in an agile, collaborative team; good communication skills in English
Desirable Extras
Experience with gas‑efficient contract design and Layer‑2 roll‑ups
Prior exposure to zero‑knowledge proofs, account abstraction, or decentralised identity (DID) systems
Open source contributions or code samples / portfolio of deployed smart contracts or projects
Experience in marketplace / escrow / auction mechanics
Seniority level: Mid‑Senior level
Employment type: Contract
Job function: Information Technology
Industries: IT Services and IT Consulting
Referrals increase your chances of interviewing at Belmont Lavan by 2x
Get notified about new Blockchain Developer jobs in Texas City, TX.
We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffr