Blockchain Engineer - Smart Contracts- English Required

DaCodes is a software development company founded in 2014 in Yucatán, Mexico, offering custom software solutions, UI/UX design, and talent augmentation with a team of over 220 professionals across Latin America.

DaCodes

Employee count: 201-500

Mexico only

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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?

Requirements

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

Benefits

🚀 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.

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About the job

Apply before

Jan 28, 2026

Posted on

Nov 29, 2025

Job type

Full Time

Experience level

Mid-level

Senior

Location requirements

Mexico

Hiring timezones

Mexico +/- 0 hours

About DaCodes

Learn more about DaCodes and their company culture.

View company profile

At DaCodes, our journey began in 2014, sparked by the innovative spirit of three engineering students – Carlos Vela, Jorge Campos, and Mauricio Moreno – who started crafting mobile apps as graduation projects. This passion quickly evolved, and responding to growing demand, DaCodes was formalized in 2015 as a dedicated custom mobile app development company in southeast Mexico. We pride ourselves on being pioneers, becoming the first to offer specialized UI/UX design for mobile applications in our region, meeting an unmet need and introducing world-class design expertise to local businesses. Our core mission, 'Coding the world of tomorrow,' isn't just a tagline; it's the driving force behind everything we do. We are committed to building digital experiences that shape industries and empower people, aiming to make exceptional software the standard by seamlessly integrating strategy, design, and technology in every solution we deliver.

Our culture is built on four foundational principles: Make exceptional work, because we believe the best work is done collaboratively where individual expertise is embraced and fostered. We see every challenge as an opportunity to transcend and discover untapped potential. We dare to be bold, bringing passion and resilience to create long-lasting solutions. And finally, we strive to give more than is expected, acting as dedicated owners who say what we mean and always do the right thing. This ethos has fueled our growth from a local team to a global force of over 220 'DaCoders' across seven countries in Latin America, serving startups and enterprise customers in the US. We've embraced remote work, unifying our diverse talent and fostering flexibility and collaboration as core strengths. Our commitment to a supportive and innovative environment was recognized with the 'Great Place to Work' badge. As an AWS partner, we are dedicated to delivering top-tier solutions and empowering organizations with personalized support and technical expertise to amplify their engineering capabilities, enhance workflows, and scale their businesses.

Tech stack

Learn about the tools and technologies that DaCodes uses to build, market, and sell its products.

View tech stack

Java

PHP

Swift

iOS

Blockchain

Ethereum

Hyperledger Fabric

Tableau

SQLite

DaCodes employees can create an account to update this tech stack.

Employee benefits

Learn about the employee benefits and perks provided at DaCodes.

View benefits

Life Insurance (Mexico)

Seguro de vida.

Legal Benefits (Mexico)

Beneficios Legales.

Birthday Off

Día off en tu cumpleaños

Remote Work

Trabajo remoto/ Home office

View DaCodes's employee benefits

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Please let DaCodes know you found this job on Himalayas. This helps us grow!

Apply now