Development Engineer Resume

SUMMARY:

Master of Computer Science student with a strong background in computer systems and programming language. My key strengths include full - stack development, distributed system design and development, iOS development and problem solving in multiple fields. I am seeking for a full-time Software Development Engineer position available July 2017.

TECHNICAL SKILLS:

Programming: Java, Ruby, Python, PHP, JavaScript, MySQL, Node.js, Perl

Tools: MEAN Stack, LAMP Stack, Ruby on Rails, Git, JIRA, Vim, AWS, Spark, Hive, Hadoop, MapReduce

PROFESSIONAL EXPERIENCE:

Development Engineer

Confidential

Responsibilities:

Developed ‘ Confidential ’ website alone to provide Inbound/Outbound data for Confidential Fulfillment Center STL6/7. ‘ Confidential ’ used Ruby on Rails MVC web framework and implemented with RESTful API. (Ruby on Rails)
‘ Confidential ’ has multiply data sources. Utilizing Rails ‘oci8’ gem to read data from Confidential multiple databases and storing the data into AWS. Using Rails web scraper to collect data from 8 different internal webpages. Also using VBA to automatically collect data from Confidential Excel Tables.(Rails, MySQL)
Using Rails update database every 15 minutes and utilizing Ajax, Javascript to update webpages automatically.
Budget of ‘ Confidential ’ has been over $1000 per month now and it has been used by over 20 managers from different facilities, which greatly improved their working efficiency.

Data Scientist Intern

Confidential

Responsibilities:

Implemented machine learning algorithm to analyze location data on EMR Spark for batch processing and data analytics.
Scrubbed semi-structured and unstructured data into a standardized format and stored data as object into Spark RDD.
Implemented K-Means Clustering to code and classify data. Optimized the algorithm by Simulating Annealing, improved the model’s accuracy from 65% to 90%. (Python)
Stored clusters into Priority Queue and utilized Spark RDD persistence to optimize 25% of running time.
Analyzed 4G data and implemented visualization from text to points on map by Spark GraphX.

Software Engineer Intern

Confidential

Responsibilities:

Developed ‘Rubix’ chrome extension, a plug-in returns page errors by calling core system API. Utilizing Ajax send current page information to server, using PHP to get results from database and sent it back in JSON. Added multiply functions on the extension like traffic ranking, and redesigned its CSS grid system. It is used by the whole QA team now. (HTML, PHP, JavaScript, MySQL, CSS3)
Assisted in development and maintenance of company’s core API. Participated ‘Anteater’ project and its API implement for collecting URL. Utilizing 3-dimisional array to store all URL and wrote more than 10 thousands lines into MySQL database. (Python, PHP, MySQL)
Joined company’s hackathon, developed ‘Emotion’ application. Solved 86 JIRA tickets within 3 months internship.
Implemented responsive and dynamic web pages for searching houses around the St.Louis area on AWS EC2.
Developed web scrapers to collect raw data, including housing info, crime activity and local amenities. Built up MySQL relational database and stored the data into five tables connected by foreign key zipcode. Using temporary table and index optimized searching. (PHP, MySQL)
Developed and designed UI for the database using Ajax and Bootstrap, implemented data visualization by showing clients multiple qualified results on a radar chart by their feature ranking. (HTML, CSS3, Ajax, Bootstrap, Js)

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