Software Engineer at Hubstaff

Designed and implemented full-stack SaaS features using React.js, Node.js, and PostgreSQL, increasing user adoption of the platform by 35% within the first year. Developed and optimized RESTful and GraphQL APIs, improving server response times by 25% and reducing system downtime by 15%. Led the refactoring of legacy modules into modern frameworks, reducing technical debt by 50% and improving maintainability for future releases. Collaborated with a distributed global team of 12 engineers, implementing Agile methodologies and delivering 6 major product updates ahead of schedule. Mentored 2 junior developers, providing code reviews, technical guidance, and training sessions that improved team productivity and code quality. Implemented unit, integration, and automated testing pipelines, increasing code coverage from 70% to 95% and minimizing post-release bugs by 30%. Coordinated with product managers and designers to translate business requirements into technical solutions, contributing to

Software Engineer at Polcode

Designed and implemented scalable web applications using React.js, Node.js, and PostgreSQL, improving user engagement by 30%. Developed and optimized RESTful APIs, reducing average server response time by 20% and improving system reliability. Led the migration of legacy codebases to modern frameworks, decreasing technical debt by 40%. Mentored 3 junior developers, conducting code reviews and knowledge-sharing sessions to improve team efficiency. Collaborated with cross-functional teams in Agile sprints, delivering 5+ major client projects ahead of schedule. Implemented unit, integration, and automated tests, increasing test coverage from 70% to 90% and significantly reducing post-release bugs.