Our client, WhatJobs Direct, is seeking a highly skilled and experienced Desarrollador Principal de Smart Contracts to join our fully remote team. This is a pivotal role for a seasoned professional passionate about building secure, efficient, and scalable smart contracts on blockchain platforms. You will lead the design, development, and deployment of critical smart contract systems that power our innovative decentralized applications. We are looking for a visionary technologist who can not only write excellent code but also contribute to the architectural decisions and best practices for our smart contract development lifecycle. This position offers the opportunity to work on complex projects with global impact, from anywhere in the world, making it a unique role for blockchain enthusiasts.
About the Role Our client, WhatJobs Direct, is seeking a highly skilled and experienced Desarrollador Principal de Smart Contracts to join our fully remote team. This is a pivotal role for a seasoned professional passionate about building secure, efficient, and scalable smart contracts on blockchain platforms. You will lead the design, development, and deployment of critical smart contract systems that power our innovative decentralized applications. We are looking for a visionary technologist who can not only write excellent code but also contribute to the architectural decisions and best practices for our smart contract development lifecycle. This position offers the opportunity to work on complex projects with general impact, from anywhere in the world, making it a unique role for blockchain enthusiasts.
Key Responsibilities Lead the end-to-end development of secure and efficient smart contracts using languages like Solidity.
Design and implement robust decentralized applications (dApps) leveraging blockchain technology.
Conduct thorough code reviews, security audits, and performance optimizations for smart contracts.
Collaborate closely with product managers, designers,



and other engineers to define project requirements and technical specifications.
Develop comprehensive test suites, including unit tests, integration tests, and end-to-end tests.
Research and integrate new blockchain technologies, tools, and best practices.
Troubleshoot and resolve complex technical issues related to smart contracts and dApp functionality.
Contribute to architectural discussions and decision-making processes.
Mentor junior developers and share expertise in smart contract development and blockchain technology.
Document code, architectural designs, and development processes clearly and thoroughly.
Requirements Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field.
Minimum of 5 years of professional software development experience, with at least 3 years focused on smart contract development.
Expertise in Solidity and experience with other smart contract languages (e.g., Vyper, Rust for Solana).
Deep understanding of Ethereum Virtual Machine (EVM) and blockchain architecture.
Proven experience developing and deploying dApps on mainnet.
Strong knowledge of cryptographic principles and security best practices for smart contracts.
Experience with blockchain development frameworks (e.g., Hardhat, Truffle, Brownie).
Proficiency in JavaScript or Python for backend development and scripting.
Excellent problem-solving, analytical, and debugging skills.
Strong communication skills and ability to work effectively in a remote, collaborative environment.
Benefits As a fully remote employee of WhatJobs Direct, you will enjoy unparalleled flexibility and the opportunity to work from anywhere. We offer a highly competitive salary, performance-based bonuses, and comprehensive benefits package tailored for remote professionals. You will be part of a cutting-edge company at the forefront of blockchain innovation, working on impactful projects. We provide continuous learning opportunities, support for professional development, and a collaborative culture that values individual contribution and teamwork.

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