Hi, I'm Yohan

• Architected a complex drag-and-drop dashboard editing system for applications that compile to binaries for embedded devices, improving client customization capabilities by 60%

• Developed a custom IoT application framework with MQTT-based API and React frontend, reducing project creation time from 2 weeks to under 2 hours for manufacturing clients

• Engineered scalable infrastructure using Go and Kubernetes supporting 1 000 000+ concurrent devices while reducing operational costs by 85% compared to previous solutions

• Designed and implemented an AI agent using Retrieval-Augmented Generation (RAG) to index company documents and generate driver code from GitHub repositories, cutting required developers to 2

• Implemented performance monitoring systems that improved overall application stability by 45%

• Identified and resolved critical payment processing bottlenecks by mapping inefficient microservice architecture, reducing payment delays from 72+ hours to under 15 minutes

• Led development of a desktop application for automated gameplay recording using proprietary AI to create shareable video montages, attracting global media coverage and significant investor interest

• Optimized legacy frontend application by migrating from Redux to React Query, reducing backend queries by 50% and preventing system crashes during peak traffic events with 1,000+ concurrent users

• Collaborated with UX/UI design team to implement a mobile-first interface design, increasing user engagement by 70% and improving administrator satisfaction scores from 3.2/5 to 4.8/5

• Onboarded and supervised a team of 5 new engineers, implementing standardized processes that reduced onboarding time by 80%