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I am Rene Jay Abong, a Senior Full Stack Web Developer with 10+ years of frontend experience and 8+ years in the backend, complemented by 3+ years as an AI engineer. I specialize in building scalable, responsive web applications with React, Next.js, Node.js, AWS, and modern JavaScript frameworks. I thrive in both enterprise and startup environments, focusing on performance optimization and creating reusable, maintainable codebases. I’m seeking a remote, long-term role as a Senior Full Stack or Lead Frontend Developer.…I am Rene Jay Abong, a Senior Full Stack Web Developer with 10+ years of frontend experience and 8+ years in the backend, complemented by 3+ years as an AI engineer. I specialize in building scalable, responsive web applications with React, Next.js, Node.js, AWS, and modern JavaScript frameworks. I thrive in both enterprise and startup environments, focusing on performance optimization and creating reusable, maintainable codebases. I’m seeking a remote, long-term role as a Senior Full Stack or Lead Frontend Developer.

Rene Jay Abong

Full Stack Developer, Web Developer, Front-End Developer, +3

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I am Rene Jay Abong, a Senior Full Stack Web Developer with 10+ years of frontend experience and 8+ years in the backend, complemented by 3+ years as an AI engineer. I specialize in building scalable, responsive web applications with React, Next.js, Node.js, AWS, and modern JavaScript frameworks. I thrive in both enterprise and startup environments, focusing on performance optimization and creating reusable, maintainable codebases. I’m seeking a remote, long-term role as a Senior Full Stack or Lead Frontend Developer.…I am Rene Jay Abong, a Senior Full Stack Web Developer with 10+ years of frontend experience and 8+ years in the backend, complemented by 3+ years as an AI engineer. I specialize in building scalable, responsive web applications with React, Next.js, Node.js, AWS, and modern JavaScript frameworks. I thrive in both enterprise and startup environments, focusing on performance optimization and creating reusable, maintainable codebases. I’m seeking a remote, long-term role as a Senior Full Stack or Lead Frontend Developer.

Available to hire

I am Rene Jay Abong, a Senior Full Stack Web Developer with 10+ years of frontend experience and 8+ years in the backend, complemented by 3+ years as an AI engineer. I specialize in building scalable, responsive web applications with React, Next.js, Node.js, AWS, and modern JavaScript frameworks.

I thrive in both enterprise and startup environments, focusing on performance optimization and creating reusable, maintainable codebases. I’m seeking a remote, long-term role as a Senior Full Stack or Lead Frontend Developer.

Skills

Experience Level

Expert

Expert

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Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Lead Frontend Web Developer at Keeper Memorials

July 1, 2022 - December 1, 2024

Developed a social memorial platform using React/Next.js, Chakra UI, and Styled Components. Improved performance by using React Query to reduce redundant API requests. Tech stack: Next.js, React, Redux, React Query, Chakra UI, AWS Lambda, Python.

Senior Full Stack Web Developer and assistance CTO at Bitwage

January 1, 2019 - July 1, 2024

Full-time (2019–2020): Built and maintained admin, client, and payment apps using React/Next.js and AWS serverless backend (Node.js, Python). Migrated React projects to Next.js for SEO and faster load times. Part-time (2021–2024): Maintained and enhanced apps; developed APIs for cryptocurrency transactions and data transformations. Tech stack: React, Next.js, Redux, Mobx, GraphQL, Apollo, AWS (Lambda, API Gateway, DynamoDB), SCSS, Chakra UI.

Senior Full Stack Web Developer and Frontend Team Lead at Two.inc

December 1, 2020 - June 1, 2022

Built the frontend preprocessor for payment modules and backend REST API for registration and migration with Django. Migrated frontend from Svelte to SvelteKit + TailwindCSS, reducing page load time by 60%. Added end-to-end testing with Playwright and integrated Strapi CMS.

Full Stack Web Developer at CuddlyNest

March 1, 2017 - September 1, 2018

Built a real estate booking platform for hotels. Delivered responsive, high-performance UI optimized for Core Web Vitals, reducing load time via lazy loading and state management.

Freelance Web Developer at Freelance & Remote Projects

January 1, 2016 - December 31, 2024

Delivered multiple frontend/backend projects across Angular, Vue, Svelte, Nest.js, Python, Laravel, Symfony, Django, dotNet, C#, Supabase, Ruby, Ruby on Rails, Flutter, and Firebase. Notable work includes an NLP app with React frontend and Django backend (Embedica.ai) and AI training tools using LLM, fine-tuning, and RAG (Soffos.ai).

Senior Full Stack Engineer (web development and AI model creation) at Couch Mental Health

January 1, 2025 - December 31, 2025

Developed a medical AI chat model by fine-tuning GPT-4; built the project with Next.js and Supabase; integrated AI model with RAG and prompt engineering, including whisper, TTS, STT, guardrails, and Docker; deployment on Keeper.

Lead Frontend Web Developer at Memorials

July 1, 2022 - December 31, 2024

Developed a social memorial platform using React/Next.js, Chakra UI, and Styled Components; improved performance by using React Query to reduce redundant API requests.

Freelance & Remote Projects - Various at Multiple clients (Freelance)

January 1, 2016 - December 31, 2024

Embedica.ai (2020): Built NLP app with React frontend and Django backend; contributed as ML engineer and full stack developer. Soffos.ai: Built employee training AI tool using LLM, fine tuning and RAG. Upwork: Delivered multiple frontend/backend projects, including optimizing a face recognition engine for Kaggle competitions.