Experience

LILEE Systems

• United States
• Information Technology & Services
• 1 - 100 Employee

• Technical Lead

  • Jan 2022 - Present

  Participated in the LILEE SYSTEM SafeRail project. I am response for solution design and development; I has experience to integrate the wayside signaling system and onboard train control systems.In this project, I response for 1. Functional requirement and verification plan design for peering development and QA teams.2. Backend system design and implementation for critical and realtime wayside and train/vehicle operation status and safety management.3. Wireless Wide Network Topology design for the realtime train status and control command communication. 4. Onboard (train/vehicle) messaging and safety management system design, implementation and integration. Show less

• Senior Software Engineer

  • May 2016 - Present

  Participated a cloud project to provide a solution to manage LILEE’s transposition gateway devices to provide passenger WiFi and video surveillance services for LILEE’s customers for more than 300 buses. In this project, I worked on following items: As backend develop, I response following items: * Design and implement API service to manage the SDN (software defined network) for the passenger Wi-Fi service. * Design and implement API and video streaming services for the video surveillance service. As data engineer, I response following items: * Implement to sensor data collection from the vehicle for Gyroscope, accelerometer sensors, and CANBUS/OBD2/J1939. * Implemented data gateway service to fetches data from MQTT broker, do the ETL, and ingest to KAFKA. * Implemented data pipeline service to do the normalized and enriched for device statistic with KAFKA stream, and stored in DRUID. As DevOPs, I response following items: * Build up API services and infra monitoring system with Graphite and Grafana. * Build up the CI/CD flow for the development process and auto deployment tools for the products. * Design and implement the containerized micro services architecture with API gateway KONG. * Experienced in deployment and management for KAFKA, KONG, DRUID, and Kubernetes services. * Provide troubleshooting tools and flows for tier1/2 customer service support. Show less



Ubiquiti Networks

• United Kingdom

• Software Engineer

  • Dec 2015 - May 2016

  o Linux kernel driver development. o OpenWRT system development. o Device log collection and analysed system development. (rsyslogd + elasticsearch) o Linux kernel driver development. o OpenWRT system development. o Device log collection and analysed system development. (rsyslogd + elasticsearch)



D-Link

• Bosnia and Herzegovina
• International Trade and Development

• Senior Software Engineer

  • Nov 2013 - Dec 2015

  o Participated in a IoT smart home projects, Komfy (https://www.cnet.com/products/d-link-dkz-201s-komfy-switch-with-camera/review/). o Developed device agent (Command handler and Policy enforcer) on embedded Linux. o Developed A/V streaming service; packed H264 and AAC to TS format. o Developed cloud recording service; streaming HLS streaming to remote server and saved to AWS S3. o Designed and implemented BLE IPC between device and iOS app. o Ported Bluetooth USB driver on Atheros/Broradcom Chips. o Integrated CO2/ temperature/ lux / PIR sensors on I2C/GPIO interface. o Bring up router platform with OpenWRT. o Developed video analysis service with OpenCV on embedded device. Show less



QNAP Systems, Inc.

• Senior Software Engineer

  • Sep 2012 - Oct 2013

  Participated in a IoT platform NAS devices, myqnapcloud (https://www.myqnapcloud.com/) projects within 1 year. o Involved to design RESTful API protocol between device and cloud service. o Developed RESTful API service for communication between device and cloud with Python. o Use C to develop device control/streaming agent. o Ported Dropbox service on x86 based NAS devices Participated in a IoT platform NAS devices, myqnapcloud (https://www.myqnapcloud.com/) projects within 1 year. o Involved to design RESTful API protocol between device and cloud service. o Developed RESTful API service for communication between device and cloud with Python. o Use C to develop device control/streaming agent. o Ported Dropbox service on x86 based NAS devices

• Software Engineer

  • Aug 2009 - Sep 2012

  Participated in smart home IoT platform, mydlink (https://www.mydlink.com/) projects. o Develop agents to report remote device status to cloud services. o Develop video streaming service for mydlink devices in C. o Develop data streaming library for iOS platform in C. o Develop a device agent which can add UPnP port mapping roles at user's home router, check rule status, and report to server in C Participated in smart home IoT platform, mydlink (https://www.mydlink.com/) projects. o Develop agents to report remote device status to cloud services. o Develop video streaming service for mydlink devices in C. o Develop data streaming library for iOS platform in C. o Develop a device agent which can add UPnP port mapping roles at user's home router, check rule status, and report to server in C