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Grayson Yang

@grayson78

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Senior Full Stack Developer with over 10 years of experience.

United States

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What I'm looking for

I am looking for a role that challenges me technically and fosters collaboration, with opportunities for growth and innovation.

I am a Senior Full Stack Developer with over 10 years of experience in designing and developing scalable, high-performance web applications. My proficiency spans modern frontend and backend technologies, including React.js, Next.js, Angular, and Node.js, among others. I have a strong track record of delivering clean, reliable solutions in Agile environments, collaborating effectively with cross-functional teams to meet project goals.

Throughout my career, I have successfully architected scalable AWS infrastructures, improved backend efficiencies, and built dynamic web applications that engage thousands of users daily. My experience includes migrating legacy systems to microservices, automating testing and deployment processes, and enhancing user retention through accessible design. I am passionate about leveraging technology to solve complex problems and drive business success.

Experience

Work history, roles, and key accomplishments

Senior Full-Stack Developer

Funsize

Jun 2022 - Apr 2025 (2 years 10 months)

Developed dynamic web applications with React.js, Next.js, and Firebase that engage with 10,000 users daily. Architected scalable AWS infrastructure using EC2, S3, and Lambda to ensure 99.9% uptime under high-traffic conditions.

React Next.js Firebase AWS EC2 S3 Lambda Firebase Authentication Firestore Python

Senior Web Developer

Pivofy

May 2019 - May 2022 (3 years)

Built eCommerce platforms using React.js, PHP and Ruby on Rails, helping clients process more than $500K in monthly sales. Migrated legacy monolithic systems to microservices using Docker, Python and AWS Lambda, reducing release time by 60%.

React PHP Ruby on Rails Docker Python AWS Lambda AWS CodePipeline GitHub Actions Microservices

Senior Full-Stack Developer

Zibtek

Nov 2016 - Mar 2019 (2 years 4 months)

Built data-driven dashboards using React, Next.js, and Express.js, helping clients make decisions 25% faster. Developed scalable backend services and RESTful APIs in Node.js, PHP, and .NET Core, efficiently managing 1M+ monthly requests.

React Next.js Node PHP .NET Core TypeScript JavaScript Gitlab Jenkins Kubernetes

Front-End Developer

DockYard

Mar 2015 - Sep 2016 (1 year 6 months)

Delivered ADA-compliant and interactive UIs in React, Angular, and Vue.js for fintech and healthcare platforms used by 50,000+ users. Integrated Elixir and Ruby on Rails APIs to build responsive and performant frontends, reducing page latency by 25%.

React Angular Vue.Js Elixir Ruby on Rails Ember.Js Agile UI UX Frontend

Education

Degrees, certifications, and relevant coursework

National University of Singapore

Bachelor of Science, Computer Science

Focused on core areas, including data structures, algorithms, software engineering, databases, and computer networks. Completed projects in web development and distributed systems, acquiring hands-on experience in full-stack development. Engaged in group-based capstone projects and coding competitions that emphasized problem-solving and the real-world application of programming concepts.