Senior Solidity Engineer for DeFi Smart Contracts — Hybrid

Placements24; Naucalpan de Juárez; Hybrid; MXN 900,000 - 1,300,000; Full time

Benefits offered by this job

Competitive salary

Health benefits

Professional development

Hybrid work in Naucalpan

Groundbreaking industry

Job summary

Placements24 in Naucalpan, State of Mexico, seeks a Senior Smart Contract Developer to design, implement, and deploy secure contracts across Ethereum-like platforms. You will write Solidity, review code, and optimize gas usage while collaborating with product managers and other engineers.

You should have 5+ years in software, 3+ years in Solidity, and familiarity with Truffle, Hardhat, Ganache; ERC-20/721; and security best practices.

Qualifications

• Bachelor's degree in CS/Engineering or equivalent experience.
• 5+ years in software development; 3+ years in Solidity.
• Proficient in blockchain fundamentals and security principles.
• Experience with testing for smart contracts.
• Familiar with Truffle, Hardhat and Ganache.

Responsibilities

• Design, develop, test, and deploy secure smart contracts on Ethereum-compatible platforms.
• Write high-quality Solidity code and maintainable architecture.
• Collaborate with product managers, designers, and engineers to define requirements.
• Conduct code reviews and security audits to identify vulnerabilities.
• Optimize gas usage and performance, stay updated on best practices.
• Participate in full software lifecycle from planning to maintenance.

Skills

Smart contract development

Solidity

Security auditing

Problem solving

Teamwork

Education

Bachelor's degree or equivalent

Tools

Truffle

Hardhat

Ganache

Job description

Placements24 in Naucalpan, State of Mexico, seeks a Senior Smart Contract Developer to design, implement, and deploy secure contracts across Ethereum-like platforms. You will write Solidity, review code, and optimize gas usage while collaborating with product managers and other engineers.

You should have 5+ years in software, 3+ years in Solidity, and familiarity with Truffle, Hardhat, Ganache; ERC-20/721; and security best practices.