Full Stack Developer

Re-architected legacy services into modern Node.js/GraphQL microservices, improving backend response times by 45% and increasing API reusability across 3 teams. Built data-scraping and ETL tools in TypeScript to aggregate market insights, improving data freshness by 50%. Automated billing and subscription management with Stripe/PayPal webhooks, cutting manual invoicing tasks by 80% and improving customer onboarding flow. Ensured 99.9% uptime by setting up CloudWatch alarms, auto-scaling groups, and on-call rotation for incident response. Collaborated with product owners in Agile sprints to define clear acceptance criteria and write detailed user stories, resulting in a 30% reduction in rework and faster delivery of features across 10+ web application modules.

Spearheaded a migration from AngularJS to React, rewriting over 20 modules using React Hooks. Diagnosed and resolved key performance bottlenecks using React Profiler, reducing initial page load time by 40%. Architected the company’s design system and component library using Storybook, reducing UI development time by 40%. Cooperated with UX researchers to iterate on prototypes in Figma, translating user feedback into high-fidelity, accessible React components. Designed and implemented CI/CD pipelines using GitHub Actions, reducing deployment time by 60%.

Developed and sustained a customer-facing SPA using React, Redux, and Bootstrap, improving page-load times by 30%. Implemented Redux-Thunk for scalable state management, then migrated to Redux-Saga. Built and preserved 20+ reusable Vue.js components for an internal analytics dashboard. Created RESTful API integrations using Axios to efficiently consume JSON data.

Converted static designs into interactive pages using HTML5, CSS3, and vanilla JavaScript. Integrated jQuery and Chart.js libraries to develop dynamic data visualizations. Worked together with designers to refine UI elements, achieving 98% pixel-perfect implementation accuracy.

Assisted in translating UI/UX mockups into basic HTML5/CSS3 templates. Conducted cross-browser and responsive layout testing on web pages. Wrote and upheld over 30 Jest unit tests for core JavaScript functions.