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Lei SHANG

Tours

En résumé

Mes compétences :
C/C++
Qt
Optimization
Microsoft C-SHARP
Java
HTML5
Operation Research
Algorithm

Entreprises

  • Université Tours Francois Rabelais - Doctorant en Recherche Opérationnelle, Optimisation

    Tours 2014 - 2017 Subject: Exact Algorithms with Running Time Guarantee for NP-Hard Scheduling Problems

    GraduateProjectAdvisor, Solve F3Cmax Problem by Dynamic Programming Polytech'Tours

    2016-2017 Engineer GraduateProjectAdvisor, Dynamic Visualisation of Search-Tree Algorithmes Polytech'Tours

    2015-2016 School Project Advisor, Polytech'Tours
  • Montpellier Technology Center - C++Engineer

    2014 - 2014 C++ Engineer Intern, Schlumberger (Montpellier Technology Center) Montpellier, France
    Geologic Algorithm Impl, Plugin Dev | C++, Qt, Visual Studio, SVN, GoogleTest... 05/2014 - 09/2014
    • Developed StrucView plugin for Techlog® platform, used to visualize the geological structure of wellbores
    • Frequent communication & collaboration in a multinational environment (>26 nationalities)
  • Schlumberger - Ingénieur R&D C++

    Paris 2014 - 2014
  • Polytech Tours - Etudiant Ingénieur bac+5

    2013 - 2014 Graduate Research Project: Server Consolidation Problem in Cloud Services Polytech’Tours
    Operations Research, Optimization, Mathematical Programming (LP, MIP), Heuristics | Cplex, C++ 09/2013 - 05/2014
    • Solution of a NP-hard optimization problem encountered by Cloud services providers: assign clients’ tasks to a set of machines, such
    that the total cost (computing resources, electricity...) is minimized subject to a set of constraints such as: tasks’ resource needs,
    machine availability, pre-affectation, inter-task communication, task migration, network bandwidth...
    • Both exact and heuristic methods are considered, implemented, tested and compared
  • CBDTelecom - AndroidEngineer Intern

    2013 - 2013 Android Engineer Intern, CBD Telecom Beijing, China
    Sofware engineering | Android, Eclipse, JavaEE, QR code 06/2013 - 08/2013
    • Developed an Android application for asset management by QR code. Scan QR code to query asset info through web service (JavaEE)
    • Ability to analyse, design and implement a commercial application
  • Polytech Tours - Edudiant Ingénieur bac+4

    2013 - 2013 Data Visualization Project, proposed by Atos Worldline Polytech’Tours
    Data Visualization | JavaEE, Gephi, Prefuse 01/2013 - 06/2013
    • As a team (7 students) we Developed a web application that serves to manage and visualize the statistics of the company’s online
    payment platform Sips.
    • I’m responsible on visualizing data as an interactive graph, using open-source Java visualization tools like Prefuse
  • Néréide - AndroidEngineer Intern

    2012 - 2012 Android Engineer Intern, Néréide Véretz, France
    Android, ERP, OFBiz, Open Source 06/2012 - 08/2012
    • Developed an Android client application for an open source Enterprise Resource Planning system: OFBiz
    • The UI layout and content are fully controlled by the server side via XML data transmission
  • Université Polytechnique de Dalian - Etudiant Licence

    2009 - 2011 Team Lead of Graduate Project: Network Intrusion Detection System (NIDS),
    proposed by Dalian City Dalian, China
    Network Security, Network Protocols, Machine Learning, Sofware Architecture, Team Management 09/2009 - 06/2011
    • As a team (5 students) we are engaged in designing and implementing an anomaly-based NIDS
    • The system is installed on the gateway of our campus network. In training mode, it captures all data packages, extracts feature values,
    and build detection rules. In detection mode, it uses generated rules to detect anomalies. When anomalies found, administrator is
    notified via pop-up dialog, SMS and/or email.
    • I’m responsible on system design, module division and the implementation of core algorithm

Formations

  • Université F. Rabelais

    Tours 2014 - 2017 Doctorat

    Operation Research and Optimization Group(ROOT ERL6305,CNRS EA6300), University of Tours
    * Thesis (supervised byPr. VincentT'Kindt): Exact Algorithms for NP -hard Scheduling Problems

    INTERNATIONAL PUBLICATIONS
    Theoretical Computer Science M. Garraffa, L. Shang, F. Della Croce, V. T’Kindt. An Exact Exponential
    Branch-and-Merge Algorithm for the Si
  • POLYTECH TOURS

    Tours 2011 - 2014

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