Leo (Haoxuan) Lu

Led full-stack development and product ownership for an AI-enhanced financial planning app.

• Spearheaded the development of a predictive budgeting platform integrating AI-based financial forecasting; led a cross-functional team of 5 and delivered MVP within 8 weeks.
• Engineered scalable backend APIs using Java Spring Boot and PostgreSQL, and deployed mobile applications (Flutter) with Open Banking API integration supporting over 1,000 users.
• Facilitated weekly client demos and agile feedback loops, achieving 100% feature alignment and reducing scope changes by 50%.

Led the architecture and end-to-end development of an international e-commerce platform serving multiple regions.

• Built a full-stack e-commerce platform (NextJS, NodeJS, Docker, Vite) with over 90% frontend ownership; streamlined API architecture, reducing frontend–backend latency by 40%.
• Designed modular CMS/CRM systems and a secure role-based admin panel, improving operational efficiency and enhancing SEO discoverability by 60%.
• Optimized API and DB layers for a 20% performance boost; integrated Meilisearch, Google Analytics, and SendGrid for advanced analytics and notifications.
• Led sprint planning and retrospectives for a multicultural dev team; reduced delivery time by 30% and launched internationalized UI supporting 4 languages (EN, ZH, JP, KR).

Designed and built full-stack medical data systems deployed on Nectar Cloud.

• Led 80% of full-stack development (React, Python, SQLite) on a scalable medical data platform, enabling real-time integration of over 50K patient records.
• Mentored 2 junior developers in clean code and data pipelines, boosting team efficiency by 30% and delivering project milestones 2 weeks early.

Built an emotional intelligence game for children using Agile methods and cross-platform delivery.

• Developed an interactive game using Agile Scrum and emotion-recognition logic to support emotional development in autistic children, featuring 5 custom scenarios.
• Ensured multi-platform deployment (Linux, Windows, iOS, Android, Web) via React Native integration, achieving 95% usability rating from 30+ user tests and full accessibility compliance.