Antonio Lee
I am a Senior Full Stack Developer with over nine years of experience designing and scaling SaaS and enterprise applications.
About
I am a Senior Full Stack Developer with over nine years of experience designing and scaling SaaS and enterprise applications. My expertise lies in modern web technologies like React, Node.js, and TypeScript, and I’m passionate about leveraging cloud platforms such as AWS to deliver efficient, scalable solutions. Throughout my career, I have successfully reduced downtime, accelerated feature delivery, and led high-performing teams to consistently deliver impactful business value.
I truly enjoy mentoring developers and modernizing legacy systems to improve maintainability and performance. Working closely with product managers and cross-functional teams, I strive to align technical solutions with business goals, ensuring high customer engagement and product stability. I am always eager to embrace new challenges and contribute to innovative projects in software development.
- 6 years' experience
- Joined August 2025
Industry experience
- Software & Internet
- Professional Services
Work experience· 9 roles
Designed and developed scalable applications using React, Node.js, and AWS, improving feature delivery speed by 35%. Implemented microservices architecture reducing system downtime by 40%. Mentored a team of 4 developers, enhancing code quality and team efficiency. Built automated CI/CD pipelines with Jenkins and Docker, cutting deployment time by 25%. Optimized APIs and database queries for 50% better response times. Collaborated with cross-functional teams to deliver SaaS platforms adopted by 20,000+ users. Increased testing coverage to 90%, ensuring higher product stability. Modernized legacy systems into React/Node applications and introduced TypeScript, reducing bugs in production. Partnered with product managers to align technical solutions with business needs.
Designed and developed scalable applications using React, Node.js, and AWS, improving feature delivery speed by 35%. Implemented microservices architecture, reducing system downtime by 40%. Mentored a team of 4 developers, improving code quality and team efficiency. Built automated CI/CD pipelines with Jenkins and Docker, cutting deployment time by 25%. Optimized APIs and database queries, improving response times by 50%. Collaborated with cross-functional teams to deliver SaaS platforms adopted by over 20,000 users. Improved testing coverage to 90%, ensuring higher product stability. Modernized legacy systems into React/Node applications to enhance maintainability. Introduced TypeScript into existing codebase, reducing bugs in production. Partnered with product managers to align technical solutions with business needs.
Designed and developed scalable applications using React, Node.js, and AWS, improving feature delivery speed by 35%. Implemented microservices architecture leading to a 40% reduction in system downtime. Mentored a team of 4 developers to enhance code quality and team efficiency. Built automated CI/CD pipelines with Jenkins and Docker, reducing deployment time by 25%. Optimized APIs and database queries resulting in 50% faster response times. Collaborated with cross-functional teams to deliver SaaS platforms used by over 20,000 users. Improved testing coverage to 90%, ensuring higher stability. Modernized legacy systems into React/Node applications for better maintainability. Introduced TypeScript into existing codebase, minimizing production bugs. Partnered with product managers to align technical solutions with business goals.
Education
Certifications and awards· 12
Hire Antonio Lee today
Post a job and invite Antonio, or contact them directly. No hidden commission.




















