Portugal
Over fifteen years of web development experience, ten as a full stack web developer. Extensive experience in the e-commerce industry; planning, development, managing, testing, deploying, and supporting web applications of a different scale.
• Lido V3 & DeFi Wrapper Development & launch coordination. • Lido Earn Launch Tech support.
As a Protocol Smart Contract Developer at Lido Finance, the leading staking solution on Ethereum, I have been deeply involved in several projects that enhance our position in the ecosystem: • Cross-chain DAO motions forwarding: Adapted a robust system for transmitting governance decisions from Ethereum to Binance Smart Chain, enhancing Lido's multi-chain capabilities. • Core protocol repository enhancement: Streamlined development workflow by implementing automated CI/CD pipelines using GitHub Actions, integrating comprehensive unit and integration testing suites with Hardhat and Foundry, and incorporating code quality tools such as Solhint and Slither. These improvements significantly increased test coverage and enhanced overall code reliability and maintainability. • Lido V3 development.
As a Lead Web Engineer at Songsterr, a premier guitar and bass tab archive with an interactive player, I spearheaded several critical improvements: • Architected and implemented a full-stack solution using React/Redux (frontend) and Node.js/Express (backend), significantly enhancing site performance and user experience. • Led the migration of the public API from a legacy Java-based service to a modern Node.js implementation, ensuring seamless support for iOS and Android mobile clients. • Orchestrated the refactoring of core tab and sound rendering algorithms, transforming monolithic processes into efficient microservices pipelines using AMQP for robust inter-service communication. • Revolutionized the billing system by integrating multiple payment gateways (PayPal, Apple Pay, Google Pay), resulting in a 30% increase in successful transactions. • Engineered critical internal tools including: - A sophisticated anti-fraud system, reducing fraudulent activities by 99.9% and bringing refund rates to near-zero levels - A custom subscription management service for App Store and Google Play, integrated with analytics services for centralized data collection, enabling comprehensive user workflow tracing and improved understanding of user behavior - An in-house user testing platform, streamlining user feedback collection and analysis, resulting in a 50% reduction in time-to-insight and enabling rapid, data-driven product iterations • Mentored junior developers and fostered a culture of code quality and best practices, leading to a 25% reduction in bug reports.
- North America projects management, R&D, and customer support. Development of ERP solutions for North American customers. - Developing and leading technology strategies for e-commerce projects for North American customers. - People and teams for software development, quality assurance, and customer support management.
- Team leader and project architect on ERP project system (OpenERP-based solution, with a lot of custom development) - Web developer on PHP5, JS, HTML, and CSS projects - Held classes targeted at familiarizing the team with Drupal, CSS, SASS/LESS, JS development, git, CI
Front-end developer with experience in PHP, JS, HTML, CSS.
Creation and organization of urban, photo, video and other games. Encounter as the international network of active city games is an external environment. But it is more, than games. It is more, than not boring weekends. It is more, than community of people with the certain interests... It is the whole world!
Web site development and local network management services.