Keman Wang
Rockville
Summary
A Full Stack Software Engineer with experience designing secure, scalable, cloud-native systems across React, Redux, Node.js, Parse Server, MongoDB, and AWS. Proven impact in system architecture, API development, HIPAA-compliant backend services, real-time communication systems, SQL based analytics, and CI/CD optimization. Strong cross-functional collaborator with deep experience improving deployment reliability, data accuracy, and user-facing platform capabilities.
Overview
5
5
years of professional experience
Work History
Full Stack Software Engineer
Cary Health
10.2023 - Current
- Designed and developed the CaryConnect platform, delivering real-time data analytics for pharmaceutical manufacturers.
- Designed data architecture for CaryConnect's platform using MongoDB schemas, aggregation pipelines, and SQL queries for live data flow
- Developed secure HIPAA-compliant APIs and OAuth integration, strengthening data security across platforms while onboarding 5+ multi-tenant partners.
- Engineered REST endpoints streamlining thousands of daily prescriptions into printable formats for digital therapeutics.
- Refactored legacy API infrastructure, improving maintainability, clarity, and platform performance.
- Integrated API/SQL logging into AWS CloudWatch, reducing troubleshooting time and improving observability.
- Enhanced CI/CD pipelines via CodePipeline, reducing deployment errors by 30% and speeding up release cycles by 50%.
- Built real-time messaging systems using WebSockets and AWS AppSync for secure patient-pharmacy communication.
- Developed user role-based dashboards and reusable modular components using React, Redux, TypeScript to enhance data visibility.
- Developed MongoDB aggregation pipelines for high-volume manufacturer reporting and real-time analytics.
- Created Jest test suites and comprehensive documentation of APIs, Redux state architecture, and onboarding flows.
- Collaborated across analytics, product, data engineering, and DevOps teams to deliver end to end platform capabilities.
- Developed responsive web applications using React and Node.js to enhance user experience.
- Collaborated with cross-functional teams to define technical requirements and project scope.
Full Stack Software Engineering Intern
Lockheed Martin
11.2020 - 08.2022
- Developed cloud-based web applications for managers to monitor employee education across all business departments. Responsible for software maintenance and refactoring, which decreased loading times and increased site traffic by 30%, as evidenced by activity trackers on web pages.
Education
Bachelor’s Degree - Astronomy Minor, Computer Science
University of Maryland
College Park05.2023
Skills
- JavaScript
- TypeScript
- React
- Redux
- Nodejs
- Express
- MongoDB
- SQL
- RDBMS
- AWS (EC2, Lambda, CloudWatch, AppSync, S3, CloudFront, Secrets Manager, CodePipeline)
- Docker
- CI/CD
- API Development
- System Architecture
- Testing (Jest/JUnit)
- Agile Framework
- Frontend Development
- Backend Development
LANGUAGES
Mandarin (Advanced)
Shanghainese (Native)
Timeline
Full Stack Software Engineer
Cary Health
10.2023 - Current
Full Stack Software Engineering Intern
Lockheed Martin
11.2020 - 08.2022
Bachelor’s Degree - Astronomy Minor, Computer Science
University of Maryland