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Frontend Developer (Volunteer) with a background in Computer Science Engineering and recent completion of the Hyperion Software Engineering Bootcamp (March 2025). Experienced in building and enhancing web applications using React, Next.js, JavaScript, HTML5, and CSS3, with backend exposure to Node.js, Python, and PostgreSQL. Skilled in integrating REST APIs, implementing authentication flows, and working within Agile, Git-based team environments. Actively contribute through volunteer and freelance projects, with a strong focus on clean, maintainable code, collaboration, and continuous learning. Passionate about applying technical skills to deliver practical, real-world solutions.…Frontend Developer (Volunteer) with a background in Computer Science Engineering and recent completion of the Hyperion Software Engineering Bootcamp (March 2025). Experienced in building and enhancing web applications using React, Next.js, JavaScript, HTML5, and CSS3, with backend exposure to Node.js, Python, and PostgreSQL. Skilled in integrating REST APIs, implementing authentication flows, and working within Agile, Git-based team environments. Actively contribute through volunteer and freelance projects, with a strong focus on clean, maintainable code, collaboration, and continuous learning. Passionate about applying technical skills to deliver practical, real-world solutions.

SANGEETHA MANAVALAN

Front-End Developer, Web Developer, Full Stack Developer, +2

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Frontend Developer (Volunteer) with a background in Computer Science Engineering and recent completion of the Hyperion Software Engineering Bootcamp (March 2025). Experienced in building and enhancing web applications using React, Next.js, JavaScript, HTML5, and CSS3, with backend exposure to Node.js, Python, and PostgreSQL. Skilled in integrating REST APIs, implementing authentication flows, and working within Agile, Git-based team environments. Actively contribute through volunteer and freelance projects, with a strong focus on clean, maintainable code, collaboration, and continuous learning. Passionate about applying technical skills to deliver practical, real-world solutions.…Frontend Developer (Volunteer) with a background in Computer Science Engineering and recent completion of the Hyperion Software Engineering Bootcamp (March 2025). Experienced in building and enhancing web applications using React, Next.js, JavaScript, HTML5, and CSS3, with backend exposure to Node.js, Python, and PostgreSQL. Skilled in integrating REST APIs, implementing authentication flows, and working within Agile, Git-based team environments. Actively contribute through volunteer and freelance projects, with a strong focus on clean, maintainable code, collaboration, and continuous learning. Passionate about applying technical skills to deliver practical, real-world solutions.

Available to hire

Frontend Developer (Volunteer) with a background in Computer Science Engineering and recent completion of the
Hyperion Software Engineering Bootcamp (March 2025). Experienced in building and enhancing web applications
using React, Next.js, JavaScript, HTML5, and CSS3, with backend exposure to Node.js, Python, and PostgreSQL.
Skilled in integrating REST APIs, implementing authentication flows, and working within Agile, Git-based team
environments. Actively contribute through volunteer and freelance projects, with a strong focus on clean,
maintainable code, collaboration, and continuous learning. Passionate about applying technical skills to deliver
practical, real-world solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Front End Developer Volunteer at Global Health Reform Initiatives

November 1, 2025 - Present

Developed and maintained a production-ready web application using Next.js, improved client-side navigation and overall user experience through component reuse and optimized routing. Implemented authentication and authorization flows, including Google sign-in using NextAuth, JWT-based session handling, and protected routes. Built and integrated backend features using Node.js and PostgreSQL, supporting core functionality such as signup/login, appointment booking, OTP-based verification, and notifications. Designed role-based user flows (e.g., patient and doctor interactions), ensuring correct access, data consistency, and reliable user actions. Debugged and resolved issues across frontend, backend, and database layers, collaborating with an Agile, cross-functional team using Git (PRs, reviews, merge conflict resolution). Gained hands-on experience writing unit and component tests with Jest and React Testing Library to validate frontend functionality.

Digital Champion at London Borough of Hounslow

October 1, 2024 - Present

Supported 60-70 community members over 9 months to confidently use everyday technology, including email, safe browsing, and basic document handling.

Freelancer at Upwork

October 1, 2024 - Present

Delivered two freelance product testing projects, providing detailed usability and technical feedback for AI-based web applications. Earned consistent 5-star ratings from clients for clear communication, problem-solving ability, and timely delivery.

Freelance Product Tester at Upwork

October 1, 2024 - Present

Delivered two freelance product testing projects, providing detailed usability and technical feedback for AI-based web applications. Earned consistent 5-star ratings for clear communication, problem-solving ability, and timely delivery.