Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there! I'm Josephine, a Computer Science student at the National University of Singapore (ASEAN Merit Scholar) with a strong interest in building practical software solutions. I’m on track to graduate with a Bachelor of Computing (Hons) in Computer Science, aiming for an early First Class Honours, and I thrive in fast-paced, collaborative environments. As a developer and AI enthusiast, I’ve contributed to AI engineering, software development, and data-driven initiatives across HTX, the Digital Church Office, and Kompas Gramedia. I enjoy building delightful front-end experiences with React, crafting robust back-end logic, and turning ambiguous problems into clean, scalable products with a user-first mindset.…Hi there! I'm Josephine, a Computer Science student at the National University of Singapore (ASEAN Merit Scholar) with a strong interest in building practical software solutions. I’m on track to graduate with a Bachelor of Computing (Hons) in Computer Science, aiming for an early First Class Honours, and I thrive in fast-paced, collaborative environments. As a developer and AI enthusiast, I’ve contributed to AI engineering, software development, and data-driven initiatives across HTX, the Digital Church Office, and Kompas Gramedia. I enjoy building delightful front-end experiences with React, crafting robust back-end logic, and turning ambiguous problems into clean, scalable products with a user-first mindset.

Josephine Celine Tjandra

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





Hi there! I'm Josephine, a Computer Science student at the National University of Singapore (ASEAN Merit Scholar) with a strong interest in building practical software solutions. I’m on track to graduate with a Bachelor of Computing (Hons) in Computer Science, aiming for an early First Class Honours, and I thrive in fast-paced, collaborative environments. As a developer and AI enthusiast, I’ve contributed to AI engineering, software development, and data-driven initiatives across HTX, the Digital Church Office, and Kompas Gramedia. I enjoy building delightful front-end experiences with React, crafting robust back-end logic, and turning ambiguous problems into clean, scalable products with a user-first mindset.…Hi there! I'm Josephine, a Computer Science student at the National University of Singapore (ASEAN Merit Scholar) with a strong interest in building practical software solutions. I’m on track to graduate with a Bachelor of Computing (Hons) in Computer Science, aiming for an early First Class Honours, and I thrive in fast-paced, collaborative environments. As a developer and AI enthusiast, I’ve contributed to AI engineering, software development, and data-driven initiatives across HTX, the Digital Church Office, and Kompas Gramedia. I enjoy building delightful front-end experiences with React, crafting robust back-end logic, and turning ambiguous problems into clean, scalable products with a user-first mindset.

Available to hire

Hi there! I’m Josephine, a Computer Science student at the National University of Singapore (ASEAN Merit Scholar) with a strong interest in building practical software solutions. I’m on track to graduate with a Bachelor of Computing (Hons) in Computer Science, aiming for an early First Class Honours, and I thrive in fast-paced, collaborative environments.

As a developer and AI enthusiast, I’ve contributed to AI engineering, software development, and data-driven initiatives across HTX, the Digital Church Office, and Kompas Gramedia. I enjoy building delightful front-end experiences with React, crafting robust back-end logic, and turning ambiguous problems into clean, scalable products with a user-first mindset.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

AI Engineer Intern at Home Team Science and Technology (HTX)

May 1, 2025 - July 1, 2025

Built and shipped an AI poster generator using React, GPT-4, and ComfyUI that turns prompts (topic, audience, theme, context) into ready-to-print designs in under 5 minutes. Engineered a multimodal pipeline: GPT-4 for titles/copy with RAG to retrieve safe, relevant images from a curated library, and used a ComfyUI + GPT-4 enhancement pass to refine layout to presentation-ready quality. Designed an interactive editor with drag-reposition, fonts/sizes, logo upload, and an AI assistant for title rewrites, copy edits, and RAG-based statistics.

Software Engineer Intern at Roman Catholic Archdiocese of Singapore Digital Church Office

February 1, 2025 - April 1, 2025

Maintained mycatholic.sg, a scalable web application with over 230,000 users; developed new components for the Events Hub platform using React.js, enabling 32 Catholic parishes across Singapore to efficiently publicise events to thousands of mass attendees. Engineered end-to-end data collection in Firebase and React.js data visualisations to surface trends on stage and guide discussion in the Archdiocesan Assembly (nearly 700 delegates).

Business Development Intern at Kompas Gramedia, Jakarta

April 1, 2024 - June 1, 2024

Utilised Python with BeautifulSoup4 and Selenium to gather data on current market trends, delivering critical insights into market dynamics and supporting strategic recommendations for high-potential product opportunities. Designed and implemented an interactive Power BI dashboard, used by a team of 10+, to visualise product performance trends, driving data-informed strategies and enhancing performance tracking.