I am a seasoned senior software engineer with 6+ years of experience designing and building web applications using React, Angular, Node.js, Java, and the broader MERN stack. I thrive in high-traffic environments and enjoy crafting maintainable, scalable solutions. I focus on writing clean code, improving performance, and integrating modern development practices to boost reliability and user experience. My work spans retail and e-commerce, where I build front-end and back-end systems that empower fast, data-driven decisions.

Samuel Mwangi

I am a seasoned senior software engineer with 6+ years of experience designing and building web applications using React, Angular, Node.js, Java, and the broader MERN stack. I thrive in high-traffic environments and enjoy crafting maintainable, scalable solutions. I focus on writing clean code, improving performance, and integrating modern development practices to boost reliability and user experience. My work spans retail and e-commerce, where I build front-end and back-end systems that empower fast, data-driven decisions.

Available to hire

I am a seasoned senior software engineer with 6+ years of experience designing and building web applications using React, Angular, Node.js, Java, and the broader MERN stack. I thrive in high-traffic environments and enjoy crafting maintainable, scalable solutions.

I focus on writing clean code, improving performance, and integrating modern development practices to boost reliability and user experience. My work spans retail and e-commerce, where I build front-end and back-end systems that empower fast, data-driven decisions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Work Experience

Senior Software Engineer at JORDILIGHT
June 1, 2022 - June 1, 2023
Developed modular front-end features in React and Angular integrated with Redux and TypeScript, improving maintainability and component reusability across internal dashboards. Implemented scalable RESTful APIs with Node.js, Java, and Express using MongoDB and MySQL, 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, REST, and Apache-based microservices, 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 handling both Python and Node.js services. Leveraged Google Cloud Platform services—including Cloud Run, Cloud Storage, and Pub/Sub—to build resilient, event-driven workflows, improving scalability and reducing operational overhead across m
Senior Software Engineer at CONCUBE ARCHITECTS STUDIO
June 1, 2021 - June 1, 2022
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. Deployed and optimized services on Google Cloud Platform using Cloud Run, Cloud SQL, and Cloud Build, improving application scalability, deployment speed, and reliability across distributed environments.

Education

Bachelor's Degree at University of Embu
January 1, 2017 - January 1, 2021
Bachelor's degree at University of Embu
January 1, 2017 - January 1, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Retail, Professional Services