Michael Chung
Michael Chung

Senior Software Engineer

Actively looking · Member since 11 Jul 2025
Message
Location
United States
Desired salary
from 70 USD/hourly
Work preference
Full Time, Contract
Experience level
Not set

About

Professional summary

I am a Senior Software Engineer with over 10 years of experience in building and delivering high-quality software across web, backend, and AI-driven systems.
I have honed my skills in leading end-to-end development, solving complex problems, and collaborating effectively with cross-functional teams.
My journey in software engineering has equipped me with a diverse set of technical skills and a deep understanding of the software development lifecycle.
I thrive in dynamic environments where I can leverage my expertise to create innovative solutions that meet user needs.
I am passionate about mentoring junior developers and fostering a culture of continuous learning within my teams. My goal is to contribute to impactful projects that push the boundaries of technology and improve user experiences.

Skills

25 capabilities

Experience

Career history

Senior Software Engineer Amazon

Designed and built an AI-powered healthcare platform using React for the frontend and Python with Django for the backend, storing and deploying on AWS.
- Developed a full-stack web dashboard within Amazon Health to support a modular care planning system, enabling clinicians to create and manage patient-specific treatment plans.
- Implemented and maintained secure, high-performance RESTful APIs in Python for features like patient intake, billing, self-scheduling, and WebRTC-based video meetings in Node.js.
- Wrote and optimized complex SQL queries in Python and aggregation pipelines to handle large-scale data operations with low latency.
- Integrated OpenAI and LangChain into backend workflows to automate patient conversations in AI voice agents and virtual assistants by using Python and FastAPI.
- Handled real-time event processing and messaging at scale using Kafka and Redis, ensuring data consistency across distributed services.
- Ensured authentication and authorization using OAuth2 and AWS IAM, following HIPAA-compliant security practices.
- Built infrastructure with Terraform and CloudFormation, and deployed containerized microservices using Docker and Kubernetes (EKS).
- Monitored backend performance and data pipelines with DataDog and Splunk, proactively resolving anomalies. Implemented automated workflows using AWS Lambda and used S3 for secure file storage.
- Wrote unit and integration tests using Junit and Jenkins, mocking API responses from EHR.
- Mentored junior developers across remote and distributed teams, managing effective collaboration across time zones.

Founding Full Stack Engineer Navan

- Developed and launched booking features using Python with Django for backend services and React for the frontend, delivering a smooth and reliable booking experience.
- Designed scalable microservices in Python to handle core travel workflows, policy rules, and expense processing.
- Built and maintained GraphQL APIs and internal services for bookings, payments, and user data, ensuring high availability and performance.
- Improved API speed and efficiency by adding Query batching and Caching, reducing response times significantly.
- Delivered user-facing frontend features in React, including admin dashboards and real-time trip tracking for enterprise clients.
- Enabled real-time updates through WebSocket integrations and background processing using job queues. Integrated Elasticsearch with PostgreSQL to support fast, accurate full-text search while keeping relational data consistent for analytics.
- Used Kafka for the synchronization between PostgreSQL and ElasticSearch.
- Deployed cloud infrastructure using Google Cloud Platform tools like Compute Engine, Cloud Storage, and BigQuery for scalability and security.
- Set up thorough testing workflows with Testify (unit tests), Postman (API testing), and Playwright (end-to-end testing).
- Deployed services with Docker and Kubernetes, and managed infrastructure changes using Terraform and GitHub Actions CI/CD pipelines.

Education

Learning history

University of Dallas

Bachelor's Degree in Computer Science

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