Josué
Brenes
Fullstack Developer with experience building and maintaining modern applications across frontend, backend, and Web3 technologies.
Experience
Founder – Fullstack Developer
Working as CTO and fullstack developer.
Internship – FullStack Developer
Full-stack development internship at Dojo Coding, contributing to both backend and frontend issue resolution across Dojo OS. Responsibilities include debugging, implementing new features, optimizing existing systems, and supporting initiatives related to artificial intelligence.
Contributor in Open Source
Actively contributed to open-source blockchain software projects through the OnlyDust Web3 platform. Provided development support across multiple decentralized projects and collaborated with professionals worldwide.
FullStack Developer
Designed and implemented a comprehensive maintenance management system tailored to the company's operational needs. The system integrates preventive and corrective maintenance tracking, task assignment, real-time status updates, and inventory control.
Full Stack Web Developer
Internship as a Fullstack Developer at Grupo Rolosa, where I developed and maintained web applications using PHP and Drupal. Implemented custom modules, optimized MySQL queries, and integrated APIs to enhance system functionality.
Education
Bachelor's Degree in Systems Engineering
Skills & Achievements
Frontend
Backend
Databases & Tools
Web3 & Specialized
GitSkilled: GitHub Foundations
Microsoft Azure AI Fundamentals
Stellar LATAM Hackathon
Joined the Stellar LATAM Hackathon hosted in-person in México City and online. Contributed with StarProof, a credential verification system leveraging Soroban smart contracts to ensure authenticity and integrity of digital certificates.
Stellar Hacks by Blend Capital
Participated in the virtual Stellar Hacks hackathon powered by Blend Capital. Explored blockchain-based applications using Stellar's infrastructure. The event fostered innovation and technical creativity within the decentralized ecosystem.
Dojo Game Jam – Spooky Edition
Participated in this virtual game jam, developing a war-themed game. Gained hands-on experience in rapid prototyping, combat mechanics, and strategic gameplay design within a competitive environment.
Stellar Hack+ | Buenos Aires 2025
Winner of Stellar Hack+ | Buenos Aires 2025, an in-person hackathon focused on building with Soroban smart contracts. Recognized for delivering an impactful and technically strong project.
HackMeridian
Participated in HackMeridian 2025, the annual global conference organized by the Stellar Development Foundation in Rio de Janeiro, Brazil. The event brought together industry leaders, innovators, and the Stellar community to discuss blockchain technology, decentralized finance, and the future of the ecosystem. Took part in conferences, networking opportunities, and the HackMeridian, reaching 7th place in the Open Innovation track.
Starknet Hackathon Re{ignite}
Ranked among the top 10 teams in the global Starknet Hackathon Re{ignite} with our game AquaStark. We designed and developed an engaging blockchain-integrated experience that combined strategy, water-resource management, and on-chain gameplay. Gained valuable experience in game development, Cairo programming, and deploying smart contracts in a highly competitive and innovative environment.
ETH Pura Vida Hackathon
Won the ETH Pura Vida Hackathon with the SafeTrust team. We built a blockchain-based solution for secure apartment rentals, focused on ensuring transparent and trustless transactions through smart contracts.
Let's Connect
Always interested in new opportunities, collaborations, and conversations about technology and development.