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I am Grace Widjaja, a budding IT professional pursuing a Diploma in Information Technology at Nanyang Polytechnic, with graduation expected in 2026. I specialize in Artificial Intelligence and have hands-on experience with serverless architectures, web app development, and AI integration. I'm passionate about translating ideas into robust software solutions and learning by building. So far, I've built projects and completed internships across web development and AI, including web apps with Node.js, React.js, and Flask; UI/UX prototyping in Figma; and production-ready back-end services on AWS. I enjoy collaborating with teams, solving problems, and continually improving both my technical and user-centered design skills.…I am Grace Widjaja, a budding IT professional pursuing a Diploma in Information Technology at Nanyang Polytechnic, with graduation expected in 2026. I specialize in Artificial Intelligence and have hands-on experience with serverless architectures, web app development, and AI integration. I'm passionate about translating ideas into robust software solutions and learning by building. So far, I've built projects and completed internships across web development and AI, including web apps with Node.js, React.js, and Flask; UI/UX prototyping in Figma; and production-ready back-end services on AWS. I enjoy collaborating with teams, solving problems, and continually improving both my technical and user-centered design skills.

Grace Widjaja

Web Developer, App Developer, Front-End Developer, +6

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I am Grace Widjaja, a budding IT professional pursuing a Diploma in Information Technology at Nanyang Polytechnic, with graduation expected in 2026. I specialize in Artificial Intelligence and have hands-on experience with serverless architectures, web app development, and AI integration. I'm passionate about translating ideas into robust software solutions and learning by building. So far, I've built projects and completed internships across web development and AI, including web apps with Node.js, React.js, and Flask; UI/UX prototyping in Figma; and production-ready back-end services on AWS. I enjoy collaborating with teams, solving problems, and continually improving both my technical and user-centered design skills.…I am Grace Widjaja, a budding IT professional pursuing a Diploma in Information Technology at Nanyang Polytechnic, with graduation expected in 2026. I specialize in Artificial Intelligence and have hands-on experience with serverless architectures, web app development, and AI integration. I'm passionate about translating ideas into robust software solutions and learning by building. So far, I've built projects and completed internships across web development and AI, including web apps with Node.js, React.js, and Flask; UI/UX prototyping in Figma; and production-ready back-end services on AWS. I enjoy collaborating with teams, solving problems, and continually improving both my technical and user-centered design skills.

Available to hire

I am Grace Widjaja, a budding IT professional pursuing a Diploma in Information Technology at Nanyang Polytechnic, with graduation expected in 2026. I specialize in Artificial Intelligence and have hands-on experience with serverless architectures, web app development, and AI integration. I’m passionate about translating ideas into robust software solutions and learning by building.

So far, I’ve built projects and completed internships across web development and AI, including web apps with Node.js, React.js, and Flask; UI/UX prototyping in Figma; and production-ready back-end services on AWS. I enjoy collaborating with teams, solving problems, and continually improving both my technical and user-centered design skills.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Web Application Developer at Community Fridge

December 1, 2023 - February 1, 2024

Built a Flask-based web application to facilitate the donation of food to individuals in need; created wireframes and an intuitive UI; implemented core features for donors and recipients with accurate item tracking.

Full Stack Developer at Independent Platform (Sustainable Initiatives)

April 1, 2024 - September 1, 2024

Developed a web application using Node.js and React.js to publicize and encourage sharing of sustainable initiatives; implemented project creation, upload, and collaboration features with intuitive layouts across screens.

UI Designer at Freelance (Hotel Website Prototype)

December 1, 2023 - January 1, 2024

Created a comprehensive Figma prototype for a hotel website featuring a sophisticated booking system, interactive room selection, and user-friendly navigation to enhance user experience and streamline hotel operations.

Assistant Event Organizer at Hi Roller

July 1, 2022 - July 1, 2023

Co-organized national and ASEAN inline skating events for hundreds of participants from around Asia.

Full Stack Developer Intern at Mandai Wildlife Reserve

March 1, 2025 - August 1, 2025

Designed and deployed a production-ready e-ticket generation microservice using AWS serverless architecture (Lambda, S3, API Gateway, SQS); built scalable backend processing and migrated data; contributed to frontend CLITE Online platform and established production monitoring.

AI Developer Intern at My Inner Child Clinic

August 1, 2025 - September 1, 2025

Developed an AI-powered therapy chatbot using Retrieval-Augmented Generation (RAG) architecture with Flowise and local LLMs; built an automated knowledge base, and optimized prompt engineering and response quality; researched human-in-the-loop oversight protocols and deployed a public API endpoint with Ngrok; created technical documentation.

Web Application Developer

April 1, 2024 - September 1, 2024

Developed a web site application using Node.js and React.js to help publicize and encourage the sharing of sustainable initiatives. Created intuitive layouts for each screen to enhance user experience for donors and recipients. Implemented core application features enabling users to upload and browse project initiations and facilitate collaborations among organizations.

Assistant Event Organizer

July 1, 2022 - July 1, 2023

Co-organized and facilitated national and ASEAN inline skating events for hundreds of participants from around Asia.

AI Development Intern at My Inner Child Clinic

August 1, 2025 - September 1, 2025

Developed an AI-powered therapy chatbot using Retrieval-Augmented Generation (RAG) architecture with Flowise and local LLMs to provide 24/7 preliminary mental health support. Implemented automated knowledge base and prompt engineering to improve response quality. Researched and evaluated WhatsApp Business API integration solutions. Deployed a public API endpoint using ngrok for external integration readiness and created comprehensive technical documentation for deployment and maintenance. Conducted advanced research on human-in-the-loop AI frameworks to establish therapist oversight protocols.

Web Developer (Intern) at Grace Widjaja Projects (Donation web app)

December 1, 2023 - February 1, 2024

Dec 2023 – Feb 2024: Built a Flask-based donation web application with intuitive wireframes, screens, and user flows to enable donors and recipients to interact seamlessly; core features to donate foods and track donations.

Web Developer at Self-initiated projects

April 1, 2024 - September 1, 2024

Apr 2024 – Sept 2024: Developed a web site using Node.js and React.js to promote sustainable initiatives; created intuitive layouts for multiple screens and enabled users to upload and browse project initiatives; facilitated collaboration across organizations.

UI/UX Designer at Hotel Website Prototype (Figma)

December 1, 2023 - January 1, 2024

Dec 2023 – Jan 2024: Created a comprehensive Figma prototype for a hotel website, featuring a sophisticated booking system, interactive room selection, and user-friendly navigation to enhance UX and streamline hotel operations.

Assistant Event Organizer at Hiroller

July 1, 2022 - July 1, 2023

Jul 2022 – Jul 2023: Co-organized and facilitated national and ASEAN inline skating events for hundreds of participants across Asia.

Full Stack Developer Intern at Mandai Wildlife Reserve, Singapore

March 1, 2025 - August 1, 2025

Mar 2025 – Aug 2025: Designed and deployed production-ready e-ticket generation microservice using AWS serverless architecture (Lambda, S3, API Gateway, SQS); built scalable backend processing for 200+ tickets per batch; integrated AWS Secrets Manager, IAM roles, and dynamic PDF generation. Implemented frontend for CLITE—Online platform with customer-facing ticket purchasing; established production monitoring with CloudWatch; collaborated with DevOps and QA; ensured timely delivery and robust code.

Web Developer at Independent Project

December 1, 2023 - February 1, 2024

Developed a website application using Flask to facilitate donations of food and provide prompt aid to individuals in need.

Web Developer at Independent Project / Platform

April 1, 2024 - September 30, 2024

Web application development using Node.js and React.js to publicize and encourage sharing of sustainable initiatives; designed intuitive layouts for multiple screens to enhance UX for various organizations using the platform.

UI/UX Designer at Independent

December 1, 2023 - January 31, 2024

Created a comprehensive Figma prototype for a hotel website with interactive booking UX exploration to enhance user experience.

Assistant Event Organizer at Hiro Roller

July 1, 2022 - July 31, 2023

Co-organized and facilitated national and ASEAN inline skating events for hundreds of participants from around Asia.

AI Development Intern at My Inner Child Clinic (NYP Industrial project)

August 1, 2025 - September 30, 2025

Developed an AI-powered therapy chatbot using Retrieval-Augmented Generation (RAG) architecture with Flowise and Ollama local LLM to provide 24/7 preliminary mental health support; engineered an automated knowledge-base system and optimized response quality through prompt engineering and temperature tuning; researched and evaluated WhatsApp API integration solutions; deployed public API endpoint via Ngrok and authored comprehensive technical documentation for deployment and maintenance; conducted advanced research on human-in-the-loop AI frameworks to establish therapist oversight protocols.