Javascript Web3 Jobs in Texas, United States

Role : Senior Blockchain Solidity Engineer

Fulltime role

Location : Dallas Texas OR Tampa, FL or relcotion to any of these locations

Seeking a Senior Blockchain Solidity Engineer. The ideal candidate will lead the design and development of secure, scalable smart contracts as a Senior Blockchain Solidity Engineer, driving innovation and mentoring teams in a fast-paced decentralized tech environment.

Required Qualifications:

Candidate must be located within commuting distance of Dallas, TX or Tampa, FL be willing to relocate to the area. This position may require travel to project locations.

Bachelor’s degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education

7+ years of overall software development experience.

7+ years of hands-on Solidity experience on development of secure and optimized production-grade smart contracts.

In-depth understanding of contract design patterns and best practices

Deep understanding of Ethereum blockchain architecture, EVM internals, and Layer 2 solutions.

Leads the development of advanced smart contract logic using Solidity or Vyper.

Designs sophisticated contract patterns, identifies EVM execution issues, and participates in smart contract audits.

Brings deep experience in Ethereum smart-contract security and Agile methodologies

Expertise in developing and optimizing smart contracts using Solidity (ERC-20, ERC-721, ERC-1155, custom protocols).

Advanced experience with smart contract testing, debugging, and simulation tools (Hardhat, Foundry, Truffle, Ganache).

Proven track record of writing gas-efficient and secure smart contracts, with deep knowledge of cryptographic primitives and security best practices.

Strong experience in identifying and mitigating smart contract vulnerabilities (e.g., reentrancy, front-running, flash loan exploits).

Proficiency in JavaScript/TypeScript or Python for scripting, automation, and integration.

Experience with CI/CD pipelines, Git workflows, and DevOps practices for blockchain environments.

Ability to lead integration efforts with frontend/backend teams and guide architecture decisions for decentralized applications.

Candidates authorized to work for any employer in the United States without employer-based visa sponsorship are welcome to apply. Infosys is unable to provide immigration sponsorship for this role at this time

Preferred Qualifications:

Experience on tokenomics, governance models, or DAO frameworks.

Hands-on experience with The Graph protocol, blockchain indexing, and data querying.

Familiarity with Azure or other cloud platforms for blockchain deployment and scaling.

Exposure to containerization and orchestration tools (Docker, Kubernetes) in decentralized environments.

Strong communication and stakeholder management skills; able to mentor junior engineers and lead technical discussions.

Experience working in a global delivery model and willingness to travel as needed