- Swift, Objective-C, macOS
- Java, C/C++, QT, Gstreamer, FFmpeg
- Experienced in low-level debugging and troubleshooting system-level issues, with a focus on maintaining stability and compatibility across multiple macOS versions.
- Stable Diffusion, DALL·E, ChatGTP, Deepseek, AI Agent, Voiceflow, Langchain, Expenfy AI, LLM, RAG
- The Own PDF generation service using iText opensource library
- Web3Js, Solidity, Solana, Smart Contract
- NextJS & ReactJS & VueJs & TailWind CSS(ShadCN UI Library)
- NodeJs & Java Spring & .Net | C# & Python(FastAPI, Flask) & Golang & Rust & GraphQL
- React Native & Flutter & Ionic
- PostgreSQL & MongoDB (DB structure design for big data)
- SupaBase & FireBase & Vercel
- AWS service(EC2, S3, RDS, Lambda, Scaling & Load balancing)
- Git & CI/CD & Docker/Kubernets & Vercel/Netlify/Heroku
- Proficient in C/C++ with extensive hands-on experience developing on macOS, particularly with CoreAudio.
- Solid background in Audio Unit development and strong understanding of digital signal processing (DSP) principles.
- Proven experience building and maintaining macOS system extensions and kernel-level components.
- Skilled in working with IOKit, macOS sandboxing, and the platform’s security architecture.
- Configured and optimized video encoding pipelines using FFMPEG and AWS Elemental Media Services (MediaLive, MediaPackage, MediaConvert).
- Developed and optimized the Peacock TV user interface using React, Next.js, or another frontend framework, ensuring smooth navigation and responsiveness across web and mobile platforms.
- Ensured high-quality adaptive bitrate streaming (ABR) to deliver smooth playback across different network conditions.
- Integrated Digital Rights Management (DRM) solutions like Widevine, FairPlay, and PlayReady for content protection.
- Set up and managed CI/CD pipelines for seamless deployment of updates using Jenkins, GitHub Actions, or Terraform.
- Monitored and improved Peacock TV’s performance and uptime using Grafana, Prometheus, and AWS CloudWatch.
- Reduced latency
- Developed a real-time video and audio streaming module for the embedded AirMedia device using FFmpeg.
- Built video and audio drivers for Windows and macOS, virtualizing webcams with GStreamer.
- Engineered a low-level video and audio streaming engine for drone devices using GStreamer.
- Integrated object detection and tracking with YOLO v7, DeepSORT, and FairMOT.
- Implemented WebRTC for near real-time, low-latency video streaming
- Developed an IPTV service supporting 50,000+ concurrent users.
- Created a high-performance video encoder and publisher using FFmpeg.
- Built cross-platform video player applications for web, mobile, and desktop.
- Designed a P2P communication module for video players to improve streaming efficiency