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I’m Anthony Lee, a senior full-stack engineer with 7+ years of experience building scalable web applications and production-grade APIs. I work across the stack with Python (FastAPI, Django REST Framework) and modern React/Next.js (React 18, Next.js App Router), focusing on clean architecture, strong validation, and reliable delivery on AWS and Azure. I enjoy optimizing performance and building robust, event-driven systems—whether that’s reducing API latency with async patterns, improving query performance in PostgreSQL, or shipping microservices and CI/CD pipelines with Docker, Kubernetes, and automation. I’ve also integrated AI capabilities such as RAG and semantic search, collaborating closely with product managers and designers to deliver features on time in Agile sprints.…I’m Anthony Lee, a senior full-stack engineer with 7+ years of experience building scalable web applications and production-grade APIs. I work across the stack with Python (FastAPI, Django REST Framework) and modern React/Next.js (React 18, Next.js App Router), focusing on clean architecture, strong validation, and reliable delivery on AWS and Azure. I enjoy optimizing performance and building robust, event-driven systems—whether that’s reducing API latency with async patterns, improving query performance in PostgreSQL, or shipping microservices and CI/CD pipelines with Docker, Kubernetes, and automation. I’ve also integrated AI capabilities such as RAG and semantic search, collaborating closely with product managers and designers to deliver features on time in Agile sprints.

Anthony Lee

Full Stack Developer, Software Engineer, Web Developer, +5

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I’m Anthony Lee, a senior full-stack engineer with 7+ years of experience building scalable web applications and production-grade APIs. I work across the stack with Python (FastAPI, Django REST Framework) and modern React/Next.js (React 18, Next.js App Router), focusing on clean architecture, strong validation, and reliable delivery on AWS and Azure. I enjoy optimizing performance and building robust, event-driven systems—whether that’s reducing API latency with async patterns, improving query performance in PostgreSQL, or shipping microservices and CI/CD pipelines with Docker, Kubernetes, and automation. I’ve also integrated AI capabilities such as RAG and semantic search, collaborating closely with product managers and designers to deliver features on time in Agile sprints.…I’m Anthony Lee, a senior full-stack engineer with 7+ years of experience building scalable web applications and production-grade APIs. I work across the stack with Python (FastAPI, Django REST Framework) and modern React/Next.js (React 18, Next.js App Router), focusing on clean architecture, strong validation, and reliable delivery on AWS and Azure. I enjoy optimizing performance and building robust, event-driven systems—whether that’s reducing API latency with async patterns, improving query performance in PostgreSQL, or shipping microservices and CI/CD pipelines with Docker, Kubernetes, and automation. I’ve also integrated AI capabilities such as RAG and semantic search, collaborating closely with product managers and designers to deliver features on time in Agile sprints.

Available to hire

I’m Anthony Lee, a senior full-stack engineer with 7+ years of experience building scalable web applications and production-grade APIs. I work across the stack with Python (FastAPI, Django REST Framework) and modern React/Next.js (React 18, Next.js App Router), focusing on clean architecture, strong validation, and reliable delivery on AWS and Azure.

I enjoy optimizing performance and building robust, event-driven systems—whether that’s reducing API latency with async patterns, improving query performance in PostgreSQL, or shipping microservices and CI/CD pipelines with Docker, Kubernetes, and automation. I’ve also integrated AI capabilities such as RAG and semantic search, collaborating closely with product managers and designers to deliver features on time in Agile sprints.

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Work Experience

Senior Full Stack Engineer at Pintech Solutions

February 1, 2023 - Present

Architected and delivered enterprise-grade dashboards, internal portals, and business applications using React, Node.js/Express, and MongoDB, improving operational efficiency by 40%. Led and mentored development teams, driving code quality improvements through reviews and best practices. Designed secure RBAC and authentication, and built document management workflows integrated with AWS S3 and AWS Lambda. Developed scalable microservices and RESTful APIs for leadership assessment, talent management, and succession planning. Built CI/CD pipelines using GitHub Actions, Docker, and Kubernetes; established automated testing with Jest and Cypress; and optimized performance and scalability for enterprise platforms.

Full Stack Engineer at Irvine

December 1, 2021 - January 1, 2023

Engineered and maintained healthcare staffing platforms using React.js, Redux, Node.js, and MongoDB, improving staffing fill rates by 33% and operational efficiency. Designed credential verification and compliance management workflows to accelerate onboarding for healthcare professionals. Integrated Socket.io for real-time notifications and clinician/facility communication. Optimized MongoDB queries with indexing and aggregation pipeline enhancements to reduce response times. Deployed and monitored cloud-native applications across AWS and GCP using Docker, and improved mobile responsiveness and accessibility using Material UI and Tailwind CSS. Mentored junior developers and supported system design, code reviews, and engineering decision-making.

Full Stack Engineer

December 1, 2021 - January 1, 2023

Engineered and maintained healthcare staffing platforms using React, Redux, Node.js, and MongoDB, improving staffing fill rates by 33% and operational efficiency. Implemented credential verification and compliance management workflows to accelerate onboarding. Integrated Socket.io for real-time notifications and communication. Tuned MongoDB performance with indexing and aggregation pipeline enhancements to reduce response times. Deployed and monitored cloud-native applications using Docker on AWS and GCP, and improved mobile responsiveness and accessibility with Material UI and Tailwind CSS.

Full Stack Engineer

November 1, 2020 - January 1, 2023

Expanded ownership from backend data pipelines to full-stack delivery across React/Next.js frontends and production Python APIs. Built REST APIs with FastAPI and Django REST Framework, including Pydantic v2 validation, OAuth2/JWT auth, async endpoints, background tasks, and OpenAPI docs integrated with AWS API Gateway and Cognito. Improved frontend performance using streaming SSR, React Suspense, Redux Toolkit, TanStack Query, and React Hook Form. Engineered and processed 1M+ record datasets with Pandas/Polars/NumPy/PySpark and built ML feature pipelines with scikit-learn and MLflow. Increased processing efficiency using vectorized operations, multiprocessing, Celery, and Redis caching. Reduced deployment issues through robust testing (pytest, pytest-asyncio, Hypothesis), static typing (mypy), Ruff linting, and Docker Compose parity in CI. Supported AI-enabled healthcare products using predictive analytics and intelligent services.

Full Stack Engineer at Irvine

November 1, 2020 - January 1, 2023

Expanded ownership from backend data pipelines to end-to-end delivery across React/Next.js frontends and production Python APIs. Built REST APIs with FastAPI and Django REST Framework including Pydantic v2 validation, OAuth 2.0/JWT auth, async endpoints, and OpenAPI documentation integrated with AWS API Gateway and Cognito. Developed production React/Next.js apps using Redux Toolkit, TanStack Query, and React Hook Form, improving TTFB by 35% with streaming SSR and React Suspense. Processed 1M+ records using Pandas/Polars/NumPy/PySpark and created ML feature pipelines with Scikit-learn and MLflow tracking. Improved pipeline efficiency up to 35% using vectorized operations, multiprocessing, Celery, and Redis caching. Reduced deployment issues using robust automated testing, mypy typing, ruff linting, and Docker Compose parity in CI/CD. Supported AI-enabled healthcare products by integrating predictive analytics and intelligent services.

Software Engineer at Irvine

August 1, 2020 - December 1, 2021

Developed healthcare applications using React.js, Node.js, Express.js, MongoDB, and PostgreSQL to enable secure clinical data exchange. Implemented HIPAA-compliant features and integrated FHIR/HL7 standards with EHR/EMR systems. Designed and optimized RESTful APIs and backend services, improving data processing performance and reducing synchronization latency by 25%. Built real-time communication features using WebSockets, along with secure authentication and authorization using JWT and OAuth2. Used AWS services and Docker-based deployments to improve scalability, reliability, and observability; collaborated to automate testing workflows and streamline release cycles.

Software Engineer

August 1, 2020 - December 1, 2021

Developed healthcare applications using React, Node.js/Express, MongoDB, and PostgreSQL, enabling secure clinical data exchange. Implemented HIPAA-compliant features and integrated FHIR/HL7 standards with EHR/EMR systems. Designed and optimized RESTful APIs and backend services, improving data processing performance and reducing synchronization latency by 25%. Built WebSocket-based real-time communication with JWT/OAuth2 authentication/authorization. Leveraged AWS and Docker deployments to enhance scalability, reliability, and observability.

Software Engineer at Kanda Software

January 1, 2019 - October 1, 2020

Developed Python backend services using Flask and Django, building RESTful APIs and managing PostgreSQL/MongoDB for client-facing applications. Built responsive React user interfaces and collaborated on UX improvements. Integrated third-party APIs (Stripe, Twilio, SendGrid), including reliable webhook handling. Deployed services on AWS using Lambda and ECS Fargate with Terraform-managed infrastructure and S3 storage. Wrote unit/integration tests with pytest, participated in code reviews and Agile planning, and contributed internal automation and analytics tooling.

Junior Software Engineer at Kanda Software

January 1, 2019 - July 1, 2020

Built responsive React SPAs with RESTful API integration and MongoDB/SQL databases using JWT-based authentication. Developed Node.js/Express backend services for client-facing applications. Wrote unit and integration tests with Jest and React Testing Library. Participated in code reviews and Agile sprint planning; collaborated with senior engineers to implement features, fix bugs, and improve performance and user experience.