A highly skilled Web3 Developer with 10 years experience in building decentralized applications (dApps) and smart contracts on blockchain platforms such as Ethereum and Solana. Proficient in Solidity and Rust, with a strong background in developing secure, scalable smart contracts and integrating Web3 technologies into modern web applications. Adept at using tools like Web3.js, Ethers.js, and IPFS to create seamless blockchain-based solutions. Passionate about decentralization, clean architecture, and leveraging blockchain to solve real-world problems. Experienced in Agile teams, with a proven ability to deliver robust, user-focused solutions in fast-paced environments.
Yearly salary: $12,000
Hourly rate: $50
Nationality: 🇧🇷 Brazil
Residency: 🇧🇷 Brazil
Experience
Php Developer(Backend-Focused)
Trader Finacial 2018 - 2019
Developed and maintained dynamic web applications using PHP and popular frameworks like Laravel and CodeIgniter. Designed and implemented RESTful APIs to support frontend apps and third-party integrations. Collaborated with frontend developers to build interactive, responsive UIs using HTML, CSS, JavaScript, and AJAX, ensuring smooth user experiences. Wrote clean, scalable, and well-documented PHP code following MVC architecture and SOLID principles. Optimized database queries and schema designs in MySQL to enhance performance and ensure data integrity. Integrated payment gateways, email services, and third-party APIs to extend platform capabilities. Built custom CMS features and admin dashboards for content management and analytics tracking. Implemented security measures such as input validation, prepared statements, and CSRF/XSS protections. Used version control (Git), CI/CD pipelines, and Docker for streamlined development and deployment. Actively participated in code reviews, sprint planning, and cross-functional team collaboration.
Web Developer
IterProfit 2016 - 2018
Developed and maintained RESTful APIs with Java Spring Boot, enabling seamless data exchange and integrations. Contributed to Golang services to handle high-concurrency workloads, reducing latency and improving system efficiency. Worked on GraphQL API optimization, reducing the response time of queries by 20%. Integrated Google Maps, Stripe, and social logins, improving the feature set and user experience. Improved system stability by 15% by diagnosing and resolving performance bottlenecks in the backend code.
Skills
amazon
aws
defi
devops
full-stack
full-time
git
microsoft
mobile
nestjs
nextjs
php
project-manager
react
smart-contract
solana
web3
solidity
