About Congkai
English
Native or bilingual
Chinese
Native or bilingual
Experience
- Builder.aiSoftware EngineerREAL ESTATEJanuary 2023 - August 2025 (2 years and 7 months)Santa Monica, United States
- Developed and scaled platform components that supported automated code generation and modular feature assembly, helping reduce development time for client apps.
- Worked with cross‑functional teams to integrate AI models into development workflows, improving efficiency of feature templates and predictive logic.
- Contributed to backend APIs and services using Python (Django/Flask) and collaborated on frontend enhancements in React to improve the builder dashboard and user experience.
- Implemented robust testing, CI/CD pipelines, and deployment automation to ensure efficient deliveries across staging and production environments.
- Partnered with product and design teams to ship usable capabilities rapidly, iterating on feedback and performance insights.
- Helped debug and resolve complex issues under tight timelines-maintaining operability during high‑impact sprints.
- Consolidate HealthSoftware EngineerHEALTH AND WELLNESSMay 2022 - November 2022 (6 months)Boston, United States
- Improved system performance by optimizing critical workflows, which reduced load times by 30%.
- Deployed a key feature update to over 10,000 users, receiving positive feedback on performance improvements and user satisfaction.
- Reduced bug turnaround time by 40% by implementing a faster debugging and patching process.
- Contributed to a product launch that led to increased customer acquisition and helped secure over $100K in new business.
- ZilingoFull Stack EngineerE-COMMERCEJuly 2020 - March 2022 (1 year and 8 months)Singapore, Singapore
- Delivered a scalable e-commerce platform that handles thousands of transactions per day, improving overall user experience and conversion rates.
- Optimized backend APIs, reducing response times by 40%, and improved frontend performance by implementing lazy loading and caching strategies.
- Integrated cloud services like AWS S3 for file storage and AWS Lambda for serverless computing, reducing operational costs by 25%.
- Led the migration of a legacy application to a modern tech stack, reducing technical debt and simplifying future updates.
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Education
- BSUniversity of Michigan in 2020 - 20222020