ETL Developer Alexander Mark

Alexander Mark

Senior ETL Developer
8 years experience

£15 - £25/hour

Hire Alexander Mark Now!
Summary

An IT professional with over 8 years of experience on Python Development with database creation, integration, and management using SQL. Robin takes high level functional requirements to create detailed designs in building multi-tiers applications. He has solid experience in developing systems in Python from scratch.

Alexander Mark has the ability to plan, estimate and deliver autonomously but equally partner with fellow engineers, exhibiting  excellent problem solving skills in dealing with problems across distributed systems. He has a strong understanding of common web development techniques like REST, JSON, etc.

As a developer, his strong verbal and written skills required to interact with global teams and customers, and a solid understanding of change management processes are his key skills in contributing to the organization.

Work Experience

Python Developer
August 2014 - Present

A real estate lead conversion platform

  • Implemented several features to automate the lead agents work on the platform, which was based on Slack.
  • Wrote several adapters for various APIs for major real estate platforms such as Real Geeks, Follow Up Boss, Boomtown, etc.
  • Worked with parsing incoming lead emails and feeds from several real estate lead generators.
  • Wrote an Android app with React Native, used by the clients.
  • Scraped various data sources and web sites for marketing purposes.
  • Front-end development with React and SASS for the company web site and client portal.
  • Unit tested all back-end code and UI tested front-end code with Selenium.

University of New York:

  • Implemented new features for their administration backend that was entirely written in React.
  • UI tested all the existing front-end code using Selenium
  • Technologies: Slack, APIs, Lead Generation , Android Development, React Native, Front end Development and Design, SASS, Unit Testing, UI Testing, Selenium

 

Ruby on Rails Developer
June 2012 - July 2014
  • Worked on several Ruby on Rails projects.
  • Used agile methodology and TDD and on all projects.
  • Front-end development with Javascript and SASS.
  • NYR, New York Residence: 
    • Added features to an existing real estate web site written in Django.
    • Created a Ruby on Rails application that automatically fetched their listings from the REST API.
  • Quick Key, Mobile Grading App:
    • Added features and bugfixes for their API and their admin interface written in Angular. 
  • Introduced new features for their FatFreeCRM fork that iHome internally used.
  • Was responsible for developing features for AppySphere:
    • Ruby on Rails back-end application for a condo app, developed for SmartHome, a subsidiary of the True Corporation.
    • App comprises of home automation, payments, facility bookings, service requests, messages, vouchers etc.
    • Current clients includes Magnolia Rachadamri & Whizdom.
  • Technologies: FatFReeCRM, AppySphere, Ruby on Rails, Back End Application, TDD, Agile Methodology, Front End Development, JavaScript.
PHP Developer
April 2010 - May 2012
  • Created a CMS for their largest client; GoWild Casino:
    • CMS automated the weekly task of updating promotions and new games.
    • Hired and managed a Front-End Developer for the project.
  • Wrote Facebook application for the slot game
    • Used the Facebook Graph API.
    • Used the Facebook JavaScript SDK.
    • Wrote an API that used a REST web service to communicate with the Flash game and game server.
    • Application currently has 4 million registered users.
  • Technologies: CMS , Front end Development and Design, Graph API, Javascript SDK, REST Web Services, Flash
Education

Bachelor of Science in Computer Science
2006 - 2010
University of the Philippines
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