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Victor Davis, Mathematics Developer in Atlanta, GA, United States
Victor Davis

Mathematics Developer in Atlanta, GA, United States

Member since August 31, 2017
Victor has a natural understanding of math and statistics, data analysis, query languages, programming languages, and business acuity. He is intellectually curious, quick to master new concepts, and always hungry for a challenge. He communicates extremely well and is equally comfortable working alone or as part of a team.
Victor is now available for hire

Portfolio

  • Toptal
    Python, R, Shiny, Data Analysis, Algorithms
  • Boaz Media Network Solutions
    Crystal Reports, R, Pervasive SQL, MS Access, SQL Server, Global Shop...
  • Waffle House
    AS/400, COBOL, SQL Server, SSIS, C#, .NET, JavaScript, PHP, MySQL, KML

Experience

  • Mathematics, 10 years
  • PHP, 10 years
  • SQL, 8 years
  • R, 4 years
  • Data Analysis, 3 years
  • Python, 2 years
Atlanta, GA, United States

Availability

Part-time

Preferred Environment

Linux, R, Python, PHP, MySQL, JavaScript, Github

The most amazing...

...discovery I've ever published is a novel formula describing the type-token relation which outperforms Heaps' Law.

Employment

  • Freelance Developer

    2018 - PRESENT
    Toptal
    • Tested and optimized code for a hotel pricing software (R).
    • Created data visualization software for pediatric doctors in Latin America to share diagnosis and treatment information across centers (R, Shiny).
    • Worked for a FinTech startup developing AI for automating, validating, and monitoring financial models (Python).
    • Corporate trainer for consultancy, teaching/mentoring the R programming language to team members (R).
    Technologies: Python, R, Shiny, Data Analysis, Algorithms
  • IT Consultant

    2014 - 2018
    Boaz Media Network Solutions
    • Supported operators in inventory control, BOM and router management, material ordering, and logistical optimization.
    • Created BI Dashboards and KPI scorecards.
    • Wrote Reports (using Crystal and SSRS) for all departments.
    • Generated performance metrics through complex data mining and SQL data wrangling.
    • Developed software and analytical tools for miscellaneous clients.
    Technologies: Crystal Reports, R, Pervasive SQL, MS Access, SQL Server, Global Shop, Microsoft Dynamics, SSRS
  • Software Developer

    2010 - 2014
    Waffle House
    • Created interactive Google Maps using JavaScript, KML, and mathematical functions.
    • Implemented mathematical algorithms in COBOL to boost processing speed.
    • Generated BI reports based on analytical insights using SQL and R.
    • Wrote adapters for getting multi-generation platforms to communicate using principles of strong data design.
    • Built interactive Excel and SSRS reports based on business data.
    Technologies: AS/400, COBOL, SQL Server, SSIS, C#, .NET, JavaScript, PHP, MySQL, KML

Experience

  • GeoConvexHull (Development)
    https://github.com/VictorDavis/GeoConvexHull

    Python algorithm used to determine if N points on a sphere exist in the same hemisphere.

  • Goodreads Stats (Development)
    https://victor.shinyapps.io/gr-stats/

    Uses Goodreads API to aggregate book reading statistics. Implemented as Shiny App via RStudio.

  • PassHash (Development)

    Chrome extension that hashes a password based on site name and passphrase. Unlike commercially available password vaults, this app only calculates password on the client, never stores any information whatsoever, locally or on any server.

Skills

  • Languages

    R, SQL, PHP, Python
  • Platforms

    RStudio
  • Other

    Mathematics, Data Analysis, Predictive Modeling, Predictive Analytics, Text Analytics
  • Storage

    Microsoft SQL Server, MySQL

Education

  • Certificate in Data Science
    2014 - 2014
    Johns Hopkins University - Online
  • Bachelor of Science degree in Mathematics
    2005 - 2007
    Southern Polytechnic State University - Marietta, GA
Certifications
  • Data Science Specialization
    APRIL 2016 - PRESENT
    Johns Hopkins University
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