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I am a senior full-stack software engineer with 8 years of experience designing, building, and scaling secure, user-centric applications end to end. I thrive in cloud-native environments, collaborating with cross-functional teams to deliver reliable, scalable platforms. I bring rigorous engineering practices, clear communication, and a strong presence across product, design, and engineering to drive value and long-term resilience.…I am a senior full-stack software engineer with 8 years of experience designing, building, and scaling secure, user-centric applications end to end. I thrive in cloud-native environments, collaborating with cross-functional teams to deliver reliable, scalable platforms. I bring rigorous engineering practices, clear communication, and a strong presence across product, design, and engineering to drive value and long-term resilience.

Annie Chang

Full Stack Developer, Back-End Developer, Front-End Developer, +6

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I am a senior full-stack software engineer with 8 years of experience designing, building, and scaling secure, user-centric applications end to end. I thrive in cloud-native environments, collaborating with cross-functional teams to deliver reliable, scalable platforms. I bring rigorous engineering practices, clear communication, and a strong presence across product, design, and engineering to drive value and long-term resilience.…I am a senior full-stack software engineer with 8 years of experience designing, building, and scaling secure, user-centric applications end to end. I thrive in cloud-native environments, collaborating with cross-functional teams to deliver reliable, scalable platforms. I bring rigorous engineering practices, clear communication, and a strong presence across product, design, and engineering to drive value and long-term resilience.

Available to hire

I am a senior full-stack software engineer with 8 years of experience designing, building, and scaling secure, user-centric applications end to end.

I thrive in cloud-native environments, collaborating with cross-functional teams to deliver reliable, scalable platforms. I bring rigorous engineering practices, clear communication, and a strong presence across product, design, and engineering to drive value and long-term resilience.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Lead Developer at Booz Allen Hamilton

January 1, 2023 - November 21, 2025

Architected scalable ASP.NET Core applications integrated with SQL Server databases, resulting in a 15% reduction in data retrieval times and improved efficiency across multi-management systems.

Senior Software Developer at Concept Art House

February 1, 2023 - February 1, 2023

Engineered a scalable ASP.NET MVC backend with Entity Framework for efficient data access, leading to a 12% increase in application responsiveness and streamlined performance for web and mobile solutions.

Full Stack Developer at McKesson

March 1, 2018 - March 1, 2018

Built scalable backend services using Java and Spring Security, improving authentication workflows and achieving a 14% improvement in overall security and performance.

Full Stack Developer at Los Angeles Capital Management and Equity Research, Inc

May 1, 2021 - May 1, 2021

Designed scalable back-end services with Java and Spring Security, improving authentication efficiency and ensuring robust access control for secure data transactions across enterprise trading platforms.

Senior Full Stack Developer at Booz Allen Hamilton

March 1, 2023 - Present

Developed secure, cloud-native web applications using Java, Spring Boot, AWS, and PostgreSQL, focusing on high availability, scalability, and reliability for large-scale enterprise systems. Collaborated with frontend teams to translate business requirements into robust backend services and APIs.

Senior Full Stack Developer at Booz Allen Hamilton

March 1, 2023 - Present

Designed and implemented RESTful microservices on AWS (EC2/Lambda, API Gateway, RDS), resolving performance bottlenecks in existing services and improving average API response times by 30–40%.

Senior Full Stack Developer at Concept Art House

September 1, 2021 - February 1, 2023

Developed cloud-based platforms supporting game art production—UI/UX, asset pipelines, and 2D/3D tooling. Implemented RESTful services on AWS and optimized asset workflows for rapid iteration and delivery.

Full Stack Developer at Los Angeles Capital Management and Equity Research, Inc

May 1, 2018 - May 1, 2021

Built batch-processing systems in Java/Spring Boot, designed and maintained PostgreSQL data models and queries, and implemented data pipelines for institutional portfolios. Led CI/CD improvements and automated testing to enhance reliability.

Full Stack Developer at Concept Art House

September 1, 2021 - February 28, 2023

Developed cloud-based web platforms supporting game art production and asset review using Python (FastAPI, Django) on the backend and Angular/React on the frontend, enabling tighter collaboration between internal art teams and clients. Designed and implemented secure RESTful APIs with FastAPI and Django for projects, asset management, and feedback, replacing fragile legacy endpoints and reducing API errors. Built responsive SPAs in Angular and React to streamline producer and artist workflows. Integrated the platform with AWS services (S3, EC2/Lambda, CloudFront, CloudWatch) to handle large uploads and monitoring, stabilizing performance during peak activity. Modeled and fed Snowflake data pipelines for analytics dashboards to track project status, asset delivery, turnaround times, and quality metrics. Diagnosed and fixed backend and frontend performance bottlenecks, and implemented role-based access control and secure session handling across systems. Collaborated with designers, produ