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Career Summary

Engineering Ph.D. with 8 years of experiences in software development, testing, and data analyses. Enthusiastic, professional and possessing ability to quickly grasp new ideas and concepts. Proven track record of working under pressure and ensuring the deadlines are met. Expert on Java, algorithms, SQL, testing methodology and tools. Green card holder.

Work History

Nov 2012Jun 2014

Software Development Engineer in Test

Terra Technology, IL

Java 1.7, Oracle 11g, PL/SQL, Toad, QlikView

  • Independently developed a parameter tuning tool for Terra's core product: Demand Sensing using PL/SQL based on Oracle 11g.
  • Independently developed a unified installation GUI for all Terra's software products using Java and JDBC.
  • Leading role in debugging, patching, and maintaining Terra's flagship products: Transportation Forecasting and Long-term Demand Sensing.
  • Building and maintaining Terra's QlikView analytics.
  • Designing and coding automated tests in WebDriver, TestNG, Cucumber and Quest Code Tester.
  • Designed complex algorithms to solve challenging problems.
Aug 2008Aug 2012

Research Assistant

SUNY Buffalo, NY

Java, JUnit, MySQL, ArcGIS, Matlab, Synchro, TRANSIMS

  • Implemented a distributed Genetic Algorithm on Windows/Linux clusters using Java, Linux shell scripts, and Windows batch files.
  • Converted and integrated data from various sources into regional traffic simulation models using various tools and languages.
  • Utilizing various programming languages to extend state-of-the-art simulation software to model large-scale transportation systems.
  • Integrated TRANSIMS and MOVES using Matlab, MySQL, and ArcGIS to prove the regional environmental benefits of a “green routing” strategy.
  • Modification of a signalized intersection into a roundabout using Synchro and ArcGIS.
  • Signal phasing and timing design in Amherst NY using Synchro and VISSIM.
  • Modeling urban traffic signals using VISSIM, AimSun, Paramics and TRANSIMS.
  • Evaluating transportation network vulnerability based on connectivity and demand using DynusT, Matlab and ArcGIS.
  • Using TRASIMS, ArcGIS and Matlab to model university campus transportation systems.
  • Integrated infrastructure management system using fuzzy optimization.
  • Invented, simulated, and tested a game theoretic parking behavior model using Matlab.
Sep 2006Jun 2007

Graduate Research Assistant

ECUST, China

Created two AutoCAD modules in LISP and VBA to implement a three-dimensional object projection algorithm.

Apr 2006Aug 2006

Quality Assurance Engineer

BYD Auto, China

Quality assurance of internal combustion engine parts based on statistical methods.



  • L. Guo, S. Huang, and A. W. Sadek. (2013). A novel agent-based transportation model of a university campus with application to quantifying the environmental cost of parking search. Transportation Research Part A: Policy and Practice, Vol. 50, pp. 86-104.
  • L. Guo, S. Huang, A. W. Sadek, and J. Zhuang. (2013). Modeling parking behavior under uncertainty: a static game theoretic versus a sequential neo-additive capacity modeling approach. Networks and Spatial Economics, pp. 1-24.
  • L. Guo, S. Huang, and A. W. Sadek. (2012). An evaluation of environmental benefits of time-dependent green routing in the greater Buffalo–Niagara region. Journal of Intelligent Transportation Systems: Technology, Planning, and Operations, Vol. 17(1), pp. 18-30.
  • S. Huang, A. W. Sadek, and L. Guo. (2012). A computational-based approach to estimating travel demand in large-scale microscopic traffic simulation models. ASCE Journal of Computing in Civil Engineering, Vol. 1, pp. 144.
  • S. Huang, L. Guo, Y. Yang, A. W. Sadek, and I. Casas. (2012). Dynamic demand estimation and microscopic traffic simulation of a university campus transportation network. Transportation Planning and Technology, Vol. 35, Issue 4, pp. 449-467.
  • S. Huang, A. W. Sadek, I. Casas, and L. Guo. (2010). Calibrating Travel Demand in Large-scale Micro-simulation Models with Genetic Algorithms: A TRANSIMS Model Case Study. In the 89th Annual Transportation Research Board Meeting Proceedings (on CD).

Coursework (GPA=3.9)

  • Traffic Operations & Design, Traffic Flow Theory, Transportation Network Analysis, Traffic Simulation, Travel Demand Forecasting, Discrete Choice Modeling.
  • Geographic Information Systems, Descriptive Geometry & Mechanical Drawing, Methodology of Optimizing Design, CAD/CAM for Mechanical Industry, Discrete Optimization.
  • Operations Research, Linear Programming, Game Theory, Network & Location Analyses, Statistical Methods, Computational Methods, Theory of Probability, Mathematics & Physical Equations.
  • Calculus, Linear Algebra, Data Structures, Introduction to Databases, Introduction to Algorithms, Java Programming, Microcomputer Principles, 3-D Computer Graphics Techniques.