Senior Software Engineer - MERN Specialist

HOANG KHAC TUA Senior Software Engineer

363-***-**** ************@*****.*** Binh Tan District, Ho Chi Minh City

CAREER SUMMARY

Seasoned senior software engineer with 10 years of experience in designing and building web applications using React, Node.js, and the broader MERN stack. Delivered maintainable, scalable front-end and back-end systems supporting high-traffic environments across retail and e-commerce sectors. Focused on writing clean code, improving performance, and integrating modern development practices that enhance reliability and user experience.

PROFESSIONAL EXPERIENCE

WALMART Senior Software Engineer Bentonville, AR Jan 2020 – Present

Developed modular front-end features in React integrated with Redux and TypeScript, improving maintainability and component reusability across internal dashboards.

Implemented scalable RESTful APIs with Node.js, Express, and MongoDB, ensuring consistent performance under heavy data processing.

Optimized rendering flows using React Hooks and memoization techniques to reduce load times for real-time inventory management interfaces.

Integrated internal services through GraphQL and REST, enforcing strict schema definitions and unified data access patterns.

Improved CI/CD processes using GitHub Actions, Docker, and Kubernetes, streamlining deployments for cross-functional development teams.

JET Senior Software Engineer Hoboken, NJ Apr 2017 – Jan 2020

Built interactive UI components in React with Styled Components and Webpack, focusing on performance and accessibility in customer-facing applications.

Designed backend services in Node.js connected to PostgreSQL and Redis for efficient user session and order management.

Developed authentication flows using JWT and OAuth2, enhancing security for multi-platform user sign-in.

Maintained consistent front-end to API communication through Axios and GraphQL, supporting real-time product and pricing updates.

Refactored legacy codebases into modular MERN stack applications, improving scalability and test coverage using Jest and Supertest.

Sclumberger Software Engineer Intern Houston, TX Jun 2016 – Sep 2016

Created internal web tools using React and Node.js to visualize test data from drilling simulations.

Implemented Express routes and MongoDB models to store and query complex sensor datasets used by engineers.

Worked with D3.js to render dynamic visual reports on browser interfaces.

Applied REST integration patterns to expose backend data for internal APIs.

Participated in code reviews and used Git to maintain consistent development practices across the project team.

TECHNICAL SKILLS

Languages: JavaScript, TypeScript, Python, SQL, HTML5, CSS3, Bash, JSON, YAML, Markdown, GraphQL, JSX

Frameworks: React, Node.js, Express, Next.js, Redux, Jest, Mocha, NestJS, Mongoose, Webpack, Babel, Socket.io

Databases: MongoDB, PostgreSQL, MySQL, Redis, DynamoDB, Elasticsearch, SQLite, Firebase, Cassandra, MariaDB, Neo4j

Cloud & DevOps: AWS, Azure, Docker, Kubernetes, GitHub Actions, Jenkins, Nginx, PM2, Terraform, Vercel, Netlify, CloudFront

Design & Tools: Figma, Storybook, ESLint, Prettier, Postman, Swagger, Chrome DevTools, WebSocket, REST, GraphQL Playground, Sentry, Datadog

Testing & Quality: Cypress, Jest, Supertest, React Testing Library, Enzyme, Puppeteer, SonarQube, ESLint, Husky, CodeCov, Istanbul, LoadRunner

Soft Skills: Communication, Collaboration, Problem-solving, Adaptability

EDUCATION

BACHELOR’S DEGREE Electrical and Electronics Engineering Columbia University 2013 – 2017

Contact this candidate