Backend & AI Engineer at Revit Auto (revitauto.com)

Reduced API response time from 90 seconds to 2 seconds through performance optimizations. Implemented CI/CD pipelines with GitHub Actions, drastically reducing deployment time compared to previous manual processes. Developed secure endpoints for live image code extraction, delivering near-instant results. Integrated Redis caching to store in-memory chat history, improving response times and reducing Firestore read/write costs by 60%. Reduced Gemini API costs by 80% by minimizing prompt context, removing redundant data, and using chat history context. Designed a memory-based conversation system with maximum conversation length, prompting users to start new sessions for AI cost optimization. Built secure APIs for adding, deleting, and verifying diagnostic codes. Created a Telegram bot for real-time monitoring of backend dev and prod apps, providing instant outage notifications. Added Firebase Authentication for client security and implemented server-to-server authentication for sensitive

Software Developer & IT Manager at HK MobiPrima Network Technology (kmicloud.cn)

Built a score based loan app (Crono) using Flutter. Built a wallet MVP app (Prima Wallet) that passed INSA qualification. Developed and maintained company websites for different branches. Created a Prima payment verification bot using Tron Grid blockchain API and Spring Boot to verify client payments. Implemented SMPP configuration and IPsec tunnel for A2P SMS Service with Ethio Telecom. Built and deployed the KMI Server Bot using Spring Boot and Telegram Bot API to monitor SMS server uptime and logs. Provided IT support for tech companies integrating SMS API, including VOIP configuration for international clients. Handled IP configuration, server monitoring, and SMS/Voice route management.

Founder Software Developer at Ariob Labs

Built in-house products including a podcast app and attendance app. Developed Ariob Songs, a music streaming app using MongoDB, Spring Boot, AWS EC2, and Flutter. Developed websites for clients.