Sarah Johnson
Senior Full-Stack Developer
Results-driven Full-Stack Developer with 6+ years of experience building scalable web applications and leading cross-functional teams. Expertise in React, Node.js, and cloud architecture. Passionate about writing clean code, mentoring junior developers, and delivering exceptional user experiences.
Experience
Senior Full-Stack Developer
Jan 2022 — PresentLead developer for customer-facing web platform serving 2M+ users. Architected and implemented microservices migration reducing server costs by 40%. Mentored team of 5 junior developers and established code review best practices. • Built real-time dashboard using React, TypeScript, and WebSockets • Optimized API performance resulting in 60% faster response times • Implemented CI/CD pipeline with automated testing coverage of 85%
Full-Stack Developer
Mar 2020 — Dec 2021Core team member developing SaaS platform for small businesses. Collaborated with designers and product managers in agile environment. Delivered features across entire stack from database to UI. • Developed RESTful APIs using Node.js and Express serving 100k+ requests/day • Created responsive React components with 95% test coverage • Integrated Stripe payment processing and subscription management
Junior Web Developer
Jun 2018 — Feb 2020Developed custom websites and web applications for diverse clients. Worked with modern JavaScript frameworks and CMS platforms. Participated in client meetings and project planning. • Built 15+ client websites using React, WordPress, and Shopify • Improved page load times by 50% through optimization techniques • Collaborated with design team to ensure pixel-perfect implementations
Education
University of Washington
2014 — 2018MIT Online
2019 — 2020Skills
Projects
Task Management Pro
ViewOpen-source project management tool with real-time collaboration features. Built with React, Node.js, and Socket.io. Supports Kanban boards, time tracking, and team chat. 500+ GitHub stars.
E-Commerce Platform
ViewHeadless e-commerce solution with Next.js frontend and Stripe integration. Features include product catalog, shopping cart, order management, and admin dashboard. Deployed on Vercel with 99.9% uptime.
Weather Forecast App
Mobile-responsive weather application using React and OpenWeather API. Displays 7-day forecasts, interactive maps, and location-based alerts. Progressive Web App with offline support.
Certifications
AWS Certified Solutions Architect
2023Professional-level certification demonstrating expertise in designing distributed systems on AWS.
Google Cloud Professional Developer
2022Certification validating skills in building scalable applications on Google Cloud Platform.