Ziye WANG

- Monitored the performance of our global products to identify problems and proposed corrective actions - Managed database by AWS Database - Designed and Developped 6 mobile applications in Java and Objectif-C

Project 1: Detecting fraud in financial transactions Data cleaning and prepocessing by Python and Tableau prep Training and data engineering of the predictive model using Random forest to detect fraud in the financial transaction with a 92% accuracy Interpreted results by Tableau Created API for clients Project 2: Integration of the mobile AI computing engine Distributed MobileNets operations (BatchNorm, Deconvolution, etc.) on GPUs of Qualcomm SOC by OpenCL for object detection algorithm on cell phone Image preprocessing by OpenCV in C++ (edge detection, expansion, corrosion) Optimized CPU data processing by NEON Project 3: Prediction of clicks on online products Used pyspark to read and merge more than 100 GB product and user clicks data Studied feature engineering Extracted textual information from products and construction of product features word vectors based on the word2 model with Trained the xgboost+LR classification model in python and optimization of the model by cross validation According to the results of the A/B online test, the rock of the new model is 10 % higher than the previous model and logloss is 10% lower than the original model.

Managed several IT projects and proposed the IT solution Teexma for large, industrial companies such as Areva, Orano, Sixty This position required skills in the analysis of customer requirements, translating these requirements into software solutions, managing a backlog, anticipating and controlling risks, managing project planning, Coordinating tasks for project resources, overseeing the project budget and invoicing, maintaining a strong customer relationship, managing software deliveries based on iterations through agile methods, and assisting the customer with the implementation of change management to assist end users with the transition into the production phase of the software.

Developped the application for colllecting 4G network information. Created the database using MySQL Built custom native user interfaces using the latest iOS standards and techniques Improved product quality through code reviews, writing effective unit tests and collaborating with QA on implementing automation testing.

Respond to client needs for applications with an eye to the most feasible and effective solutions. Coordinate with team members to create client apps in a coordinated and timely manner. Ensure that apps are tested to meet total performance requirements. Optimize the interfacing of the apps with a variety of systems to ensure flexible and agile use.