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I'm a Full Stack Developer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in Golang, Node.js, React, Next.js, and cloud-native systems, designing end-to-end solutions with REST and gRPC APIs, microservices, and interactive UI interfaces. I have a strong background in system design, CI/CD, and cloud deployments, and I enjoy turning complex problems into clean, maintainable code. I thrive in collaborative teams and have shipped products that support tens of thousands to millions of users. What I bring to the table is a pragmatic, user-focused approach to software engineering: I write reliable code, optimize performance, and automate repetitive work to keep teams moving quickly. I’m always learning new technologies and best practices to keep delivering high-quality software at scale.…I'm a Full Stack Developer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in Golang, Node.js, React, Next.js, and cloud-native systems, designing end-to-end solutions with REST and gRPC APIs, microservices, and interactive UI interfaces. I have a strong background in system design, CI/CD, and cloud deployments, and I enjoy turning complex problems into clean, maintainable code. I thrive in collaborative teams and have shipped products that support tens of thousands to millions of users. What I bring to the table is a pragmatic, user-focused approach to software engineering: I write reliable code, optimize performance, and automate repetitive work to keep teams moving quickly. I’m always learning new technologies and best practices to keep delivering high-quality software at scale.

Tony Lee

PRO

Full Stack Developer, Web Developer, Back-End Developer, +3

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I'm a Full Stack Developer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in Golang, Node.js, React, Next.js, and cloud-native systems, designing end-to-end solutions with REST and gRPC APIs, microservices, and interactive UI interfaces. I have a strong background in system design, CI/CD, and cloud deployments, and I enjoy turning complex problems into clean, maintainable code. I thrive in collaborative teams and have shipped products that support tens of thousands to millions of users. What I bring to the table is a pragmatic, user-focused approach to software engineering: I write reliable code, optimize performance, and automate repetitive work to keep teams moving quickly. I’m always learning new technologies and best practices to keep delivering high-quality software at scale.…I'm a Full Stack Developer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in Golang, Node.js, React, Next.js, and cloud-native systems, designing end-to-end solutions with REST and gRPC APIs, microservices, and interactive UI interfaces. I have a strong background in system design, CI/CD, and cloud deployments, and I enjoy turning complex problems into clean, maintainable code. I thrive in collaborative teams and have shipped products that support tens of thousands to millions of users. What I bring to the table is a pragmatic, user-focused approach to software engineering: I write reliable code, optimize performance, and automate repetitive work to keep teams moving quickly. I’m always learning new technologies and best practices to keep delivering high-quality software at scale.

Available to hire

United States

I’m a Full Stack Developer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in Golang, Node.js, React, Next.js, and cloud-native systems, designing end-to-end solutions with REST and gRPC APIs, microservices, and interactive UI interfaces. I have a strong background in system design, CI/CD, and cloud deployments, and I enjoy turning complex problems into clean, maintainable code. I thrive in collaborative teams and have shipped products that support tens of thousands to millions of users.

What I bring to the table is a pragmatic, user-focused approach to software engineering: I write reliable code, optimize performance, and automate repetitive work to keep teams moving quickly. I’m always learning new technologies and best practices to keep delivering high-quality software at scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Senior Full Stack Developer at Loadsmart

January 20, 2022 - Present

Designed front-end dashboards in React and Next.js with Tailwind CSS for real-time logistic tracking. Built 12 supporting 1M, integrated with frontend via REST/gRPC. Implemented real-time vehicle tracking UI with Web Sockets and Redis, serving 50k concurrent users. Developed role-based authentication using JWT and OAuth2 with frontend session management. Optimized PostgreSQL queries and added Redis caching, improving load times by 40%. Automated deployments with Docker, GitHub Actions and AWS ECS, enabling zero-downtime updates.

Software Engineer at Tech Nova Inc.

August 20, 2020 - Present

Developed React dashboards for transaction histories, account management, and data visualization using Chart.js and D3.js. Migrated legacy Python APIs to Golang (Gin), improving response times by 55%. Integrated payment APIs with secure UI workflows. Created notification service using Go and RabbitMQ with frontend toasts/real-time updates. Implemented frontend unit tests with Jest, React Testing Library, backend tests with Go testing. Improved deployment pipeline with Jenkins and Docker, cutting deployment time from 2 hours to 20 minutes. Contributed to UI/UX enhancements, reducing user onboarding time by 25%.

Junior Full Stack Developer at BlueSky Digital

June 20, 2019 - Present

Built responsive React stores with Next.js SSR for SEO optimization. Implemented shopping cart, checkout, and payment APIs in Golang, serving 200k+ users. Developed inventory management dashboard with React Hooks and Redux. Integrated Elasticsearch search for real-time product search with auto complete. Improved frontend load speeds by 30% using Next.js static site generation.

Junior Full Stack Engineer at Health Works Tech

July 1, 2018 - Present

Built React-based patient record dashboard with secure access roles. Engineered a suite of REST-based APIs in Golang for secure patient data access, leveraging JSON Web Tokens. Implemented JWT-based login and React context for session management. Wrote frontend tests with Cypress, backend tests with Go, achieving 75% test coverage. Collaborated with doctors and admins to refine UI workflows.

Freelance Full Stack Developer at Self-employed

December 31, 2016 - Present

Built real-time chat app with React, Go, Redis, supporting 10k concurrent users. Developed a task manager app with React frontend, Go backend, Postgres SQL. Designed CI/CD pipelines with GitLab and Docker for client apps. Created custom React component libraries for reusable UI elements. Consulted startups on database design, API performance tuning, and frontend optimization. Released open-source React and Go boilerplate templates on GitHub.

Senior Full Stack Developer at Loadsmart

January 20, 2022 - Present

Designed frontend dashboards in React and Next.js with Tailwind CSS for real-time logistics tracking. Built 12 supporting REST/gRPC APIs within a microservices architecture, integrated with Redis-backed caching, served 50k concurrent users, and implemented role-based authentication using JWT and OAuth2. Automated deployments with Docker, GitHub Actions, and AWS ECS, enabling zero-downtime updates.

Software Engineer at Tech Nova Inc.

August 20, 2020 - Present

Developed React dashboards for transaction histories, account management, and data visualization using Chart.js and D3.js. Migrated legacy Python APIs to Golang (Gin), improving response times by ~55%. Integrated payment APIs with secure UI workflows. Created notification service using Go and RabbitMQ with frontend toasts and real-time updates. Implemented frontend unit tests with Jest and React Testing Library; backend tests with Go testing. Improved deployment pipeline with Jenkins and Docker, reducing deployment time from 2 hours to 20 minutes.

Junior Full Stack Developer at BlueSky Digital

June 1, 2019 - Present

Built responsive React storefronts with Next.js SSR for SEO optimization. Implemented shopping cart, checkout, and payment APIs in Golang, serving 200k+ users. Developed inventory management dashboard with React Hooks and Redis. Integrated Elastic search for real-time product search with auto-complete. Improved frontend load speeds by 30% via Next.js static site generation.

Freelance Full Stack Developer at Self-employed

January 1, 2017 - Present

Built real-time chat app with React, Go gRPC, and Redis, supporting 10k concurrent users. Developed task manager app with React frontend, Go backend, and PostgreSQL. Designed CI/CD pipelines with GitLab CI and Docker for client apps. Created custom React component libraries for reusable UI elements. Consulted startups on database design, API performance tuning, and frontend optimization. Released open-source React and Go boilerplates on GitHub.

Junior Full Stack Engineer at Health Works Tech

July 20, 2018 - Present

Developed React dashboards for transaction histories, account management, and data visualization using Chart.js and D3.js. Migrated legacy Python APIs to Golang (Gin), improving response times by ~55%. Integrated payment APIs with secure UI workflows. Created notification service using Go and RabbitMQ with frontend toasts and real-time updates. Implemented frontend unit tests with Jest and React Testing Library; backend tests with Go testing. Improved deployment pipeline with Jenkins and Docker, reducing deployment time from 2 hours to 20 minutes.

Senior Full Stack Developer at Loadsmart

January 1, 2022 - Present

Designed frontend dashboards in React and Next.js with Tailwind CSS for real-time logistics tracking. Built 12+ supporting services integrated with frontend via REST/gRPC. Implemented real-time vehicle tracking UI with WebSocket and Redis, serving 50k concurrent users. Developed role-based authentication using JWT and OAuth 2 with frontend session management. Optimized PostgreSQL queries and added Redis caching, improving load times by 40%. Automated deployments with Docker, GitHub Actions, and AWS ECS, enabling zero-downtime updates.

Software Engineer at Tech Nova Inc.

January 1, 2022 - October 2, 2025

Developed React dashboards for transaction histories, account management, and data visualization using Chart.js and D3.js. Migrated legacy Python APIs to Golang (Gin), improving response times by 55%. Integrated payment APIs with secure UI workflows. Created JWT-based login with frontend-backend session management. Wrote frontend tests with Jest and React Testing Library; backend tests with Go testing. Improved deployment pipeline with Jenkins and Docker, cutting deployment time from 2 hours to 20 minutes. Contributed to UI/UX enhancements, reducing user onboarding time by 25%.

Junior Full Stack Developer at BlueSky Digital

August 1, 2020 - October 2, 2025

Built real-time chat app with React, Go & Redis, supporting 10k concurrent users. Developed a task manager app with REST frontend, Go backend, PostgreSQL. Designed CI/CD pipelines with GitLab and Docker for client apps. Created custom React component libraries for reusable UI elements.

Freelance Full Stack Developer at Self-employed

January 1, 2017 - Present

Built real-time chat app with React, Go, gRPC, Redis, supporting 10k concurrent users. Developed a task manager app with React frontend, Go backend, PostgreSQL. Designed CI/CD pipelines with GitLab CI and Docker for client apps. Created custom React component libraries for reusable UI elements. Advised startups on database design and frontend optimization. Released open-source React and Go boilerplate templates on GitHub.