Blockchain Engineer - Smart Contracts- English Required

DaCodes; Ciudad de México; Presencial; MXN 915,000 - 1,465,000; Jornada completa

Descripción de la vacante

A tech company specialized in software solutions is looking for a Smart Contracts Engineer. You will design, develop, and deploy secure smart contracts while collaborating with various teams. Ideal candidates have 2–5+ years in blockchain engineering, strong Solidity skills, and experience in agile environments. The role is remote and offers opportunities to work with innovative companies.

Servicios

Medical insurance (applicable in Mexico)

Life insurance (applicable in Mexico)

Access to courses and certifications

Birthday off

Meetups with IT area guests

Formación

• 2–5+ years of experience as a Smart Contracts Engineer, Blockchain Engineer, or similar role.
• Knowledge of DeFi protocols, crypto primitives, or tokenomics is a plus.
• Understanding of smart contract vulnerabilities like reentrancy and integer overflow.

Responsabilidades

• Design, develop, and deploy secure and efficient smart contracts.
• Conduct unit, integration, and security testing using blockchain testing frameworks.
• Collaborate closely with backend, frontend, QA, and DevOps teams.

Conocimientos

Solidity

EVM-based blockchain development

Web3.js

Ethers.js

Analytical and problem-solving skills

Herramientas

Hardhat

Foundry

Truffle

Git

GitHub

Descripción del empleo

Work at DaCodes!

We are a firm of experts in high-impact software and digital transformation.

For 10 years, we’ve built innovative technology solutions thanks to our team of 220+ talented #DaCoders, including developers, architects, UX/UI designers, PMs, QA testers, and more. Our team collaborates on projects with clients across LATAM and the United States, consistently delivering outstanding results.

At DaCodes, you will have the opportunity to accelerate your professional growth, work on diverse projects across multiple industries, and contribute to the design, implementation, and optimization of modern cloud and emerging technology infrastructures.

Our DaCoders have a significant impact on the success of both our business and our clients. You will be the expert shaping our projects while gaining access to disruptive startups and global brands.

Interested?

Key Responsibilities

• Design, develop, and deploy secure and efficient smart contracts.
• Participate in architectural discussions for blockchain systems and decentralized applications.
• Perform code audits, refactoring, and gas optimization for high-quality smart contract performance.
• Integrate smart contracts with backend services or Web3 components.
• Conduct unit, integration, and security testing using blockchain testing frameworks.
• Collaborate closely with backend, frontend, QA, and DevOps teams to deliver complete solutions.
• Stay informed about blockchain ecosystem advancements, EVM updates, token standards, L1/L2 trends, and best
  practices.

Desired Profile

• 2–5+ years of experience as a Smart Contracts Engineer, Blockchain Engineer, or similar role.
• Strong hands‑on experience with Solidity and EVM-based blockchain development.
• Knowledge of DeFi protocols, crypto primitives, or tokenomics (nice to have).
• Familiarity with Hardhat, Foundry, Truffle, or comparable tools.
• Experience using Web3.js, Ethers.js, or other Web3 libraries.
• Understanding of smart contract vulnerabilities (reentrancy, frontrunning, integer overflow, etc.).
• Strong analytical and problem‑solving skills with a security‑first mindset.
• Experience working in agile development environments.
• Intermediate–advanced English proficiency.

Technologies & Tools

• Solidity, EVM, Hardhat, Foundry, Truffle
• Web3.js / Ethers.js
• Git, GitHub
• Nice to have: AWS/GCP, non‑EVM ecosystems (Solana, Cosmos), CI/CD, cryptography fundamentals

🚀 Integración a marcas globales y startups disruptivas.

🏡 Trabajo remoto/Home office.

📍 En caso de requerir modalidad híbrida o presencial, serás informado desde la primera sesión.

⏳ Horario ajustado a la célula de trabajo/proyecto asignado.

📅 Trabajo de lunes a viernes.

🎉 Día off en tu cumpleaños.

🏥 Seguro de gastos médicos mayores (aplica para México).

🛡️ Seguro de vida (aplica para México).

🌎 Equipos de trabajo multiculturales.

🎓 Acceso a cursos y certificaciones.

📢 Meetups con invitados especiales del área de IT.

📡 Eventos virtuales de integración y grupos de interés.

📢 Clases de inglés.

🏆 Oportunidades dentro de nuestras diferentes líneas de negocio.

🏅 Orgullosamente certificados como Great Place to Work.