LI XIAO
Palatine,IL
Summary
Results-oriented professional with a diverse skill set in software development, problem-solving, and collaborative teamwork. Proven ability to drive technical solutions and deliver high-quality results in complex environments.
Overview
17
17
years of professional experience
Work History
SENIOR STAFF SOFTWARE ENGINEER
MOTOROLA SOLUTIONS
01.2013 - Current
- Contributed to the core engineering team in developing, testing, and deploying AXS dispatch console microservices using C++, Node.js, REST APIs, JSON/XML, Redis, and Web Services. Utilized Docker and OpenShift for containerization, with active involvement in Concourse CI/CD pipeline deployment.
- Developed mission-critical, real-time, high-availability call processing applications in a SEI Level 5 environment, leveraging C/C++, object-oriented programming, design patterns, and the Standard Template Library (STL). Applied Agile/Iterative development methods and software testing techniques.
- Successfully resolving complex, hard-to-detect issues. Mentored junior team members and conducted code reviews to uphold quality and best practices.
- Managed cybersecurity requirements for the Console Box, including box-level security, STIG assessments, security design, group policy creation, Windows hardening, and MOL. Addressed and resolved various product security issues to ensure compliance and safeguard system integrity.
SENIOR SOFTWARE ENGINEER
MOTOROLA SOLUTIONS
09.2007 - 01.2013
- Developed a Diameter Rx++ test harness, creating a socket program to facilitate message exchange between the TTCN test harness and the Rx++ interface. Built on the Diameter stack to support both Quality of Service (QoS) and Quality of Bandwidth (QoB) for client and server functionalities. Implemented encoding and decoding of Rx++ messages.
- Integrated TTCN and SIP protocols for PSIG Client testing by creating TTCN test scripts and outlining test scenarios. Utilized Python scripts to support PSIG Server authentication.
- Developed network management products for the iDEN radio network, providing support to Nextel and other domestic and international iDEN customers.
- Led multiple performance optimization projects to reduce impact calculation time and accelerate build processes. Enhanced performance testing tools to streamline testing and increase efficiency.
Education
MASTER OF COMPUTER SCIENCE -
University of Illinois At Chicago
Chicago, ILMASTER - CIVIL ENGINEERING
TSINGHUA UNIVERSITY
Skills
- Programming Languages: C, C, Python, JavaScript, Nodejs
- Software Development: Object-Oriented Analysis and Design (OOAD), Object-Oriented Programming (OOP), STL (Standard Template Library), UML
- Web & Application Development: REST APIs, JSON, XML, Client/Server Architecture, Web Services
- Containerization & Cloud: Docker, OpenShift
- Version Control & Collaboration: GIT, ClearCase
- Security & Configuration Management: Microsoft GPO (Group Policy Objects), Security Design
- Tools & Frameworks: Nodejs, Python Scripts, GIT, ClearCase, Docker
Timeline
SENIOR STAFF SOFTWARE ENGINEER
MOTOROLA SOLUTIONS
01.2013 - Current
SENIOR SOFTWARE ENGINEER
MOTOROLA SOLUTIONS
09.2007 - 01.2013
MASTER - CIVIL ENGINEERING
TSINGHUA UNIVERSITY
MASTER OF COMPUTER SCIENCE -
University of Illinois At Chicago
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