M. Johan Kellum

M. Johan Kellum Email and Phone Number

Madison, WI, US
M. Johan Kellum's Location
Madison, Wisconsin, United States, United States
M. Johan Kellum's Contact Details
About M. Johan Kellum

An IT professional with extensive experience building web applications and custom backend solutions. Many years with the Ruby language and Rails framework, with familiarity in the entire Ruby on Rails stack. Experience building complex and useful applications that need to be reliable and scalable, with a track record of success. Interests include data compression and a slight obsession with the Traveling Salesman Problem.

M. Johan Kellum's Current Company Details
Allied 100, LLC (AEDSuperstore.com)

Allied 100, Llc (Aedsuperstore.Com)

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Software Architect
Madison, WI, US
M. Johan Kellum Work Experience Details
  • Allied 100, Llc (Aedsuperstore.Com)
    Software Architect
    Allied 100, Llc (Aedsuperstore.Com)
    Madison, Wi, Us
  • Allied 100, Llc (Aedsuperstore.Com)
    Software Architect
    Allied 100, Llc (Aedsuperstore.Com) Nov 2018 - Present
    Madison, Wi
    Maintain and enhanced a large in house application vital to the sales, maintenance and regulatory laws related to AED's (automated electronic defibrillators).Created a system from scratch, that runs in the cloud, and gathers information on remotely monitored AED's. This system scrapes data from various websites or APIs and synchronizes it with the main in house application.
  • Vitalmetric Llc
    Lead Software Engineer
    Vitalmetric Llc Mar 2017 - Jan 2018
    Madison, Wisconsin Area
    Designed, built and maintained a full suite of software to ingest, store and display data that wascollected from custom built remote sensing hardware. - Created a robust modular set of software running on Raspberry PI’s to collect and sync data to aPostgres DB on AWS.- Created a backend API in Rails.- Created a frontend in AngularJS
  • Updown Technologies, Inc.
    Principal Engineer
    Updown Technologies, Inc. Jan 2015 - Jan 2017
    Madison, Wisconsin Area
    Played a pivotal role in designing, building, and maintaining a complex, useful, self-sustainingfitness platform for a small startup business .- Built Android, iOS, and Amazon mobile applications using Ionic and AngularJS- Built a robust backend API using Rails, Postgres, and Redis that involved using several differentAmazon Web Services.- Built custom asset management for partners using Amazon Cloudfront.- Built browser based customization tools for partners.- Built an integrated subscription system with Braintree.- Continuously improved the code base and DB queries in order to meet higher than expected usage. - Helped garner: several hundred thousand application downloads, 60,000 active users and severalhundred paid subscriptions.
  • Helloagent Llc
    Lead Developer
    Helloagent Llc Aug 2012 - Aug 2014
    Madison, Wisconsin Area
    Brought in as a founding developer. Planned and created, a website to aid real estate agents. Responsible for the full stack development and implementation.- Built a web scraper to aggregate information about home properties
  • Medical Education Institute, Inc. (501C3)
    Software Engineer
    Medical Education Institute, Inc. (501C3) Jan 2010 - Jul 2012
    Madison, Wisconsin Area
    Developed, maintained and enhanced an integral web application used by a majority of dialysis clinics in the U.S. Technical lead and manager on government contracts.- Ensured that the cornerstone custom KDQOL survey service was HIPPA compliant and passed strict security requirements.- Implemented a fast index and searching solution using SOLR and LUCENE.
  • Wisconsin Circuit Court System
    Software Engineer
    Wisconsin Circuit Court System Feb 2009 - Jul 2010
    Madison, Wisconsin Area
    Provided support and development for various internal web applications related to the Department of Justice and the Circuit Court.- Created an automated system for pdf generation for a public facing pro se legal website.- Maintained and enhanced numerous web applications
  • Zencoder
    System Engineer
    Zencoder Feb 2007 - Jul 2009
    Madison, Wisconsin Area
    Major contributor to the foundation of software for a cloud based transcoding company that became a very successful Y Combinator startup.- Created a robust system to accept user uploaded video, send it to custom AWS EC2 images for transcoding, then be made available when complete, according to specific recipes.- Created custom auto-scaling algorithms based on factors such as demand and priority.- Modified open-source transcoding software (FFmpeg) to enable custom thumbnailing.
  • Myweather Llc/Weather Central
    Software Engineer
    Myweather Llc/Weather Central Jan 2000 - Jan 2007
    Madison, Wisconsin Area
    Designed custom applications that provide real-time weather data to web users and data streams to customers including TV stations and newspapers. Wrote software that must run reliably 24 hours a day in support of client's operationally driven deadlines.- Developed a proprietary high throughput server to handle 200 concurrent connections per second from over 100K desktop client applications.- Created a dynamic weather mapping system used to generate live content aggregated from many sources.- Created numerous web interfaces for time sensitive weather content.- Created a server to manage and disseminate over a terabyte per day of weather model data.
  • Uw Biotechnology Center
    Software Engineer
    Uw Biotechnology Center Jan 1999 - Jan 2000
    Madison
    Developed image analysis software for the Optical Mapping process. Collaborated with the researchers to write software to automate tasks and enhance their productivity.- Developed and improved parts of the image analysis tools used by the laboratory. - Created a versatile visualization tool to view 2D genetic restriction maps.- Wrote software that interfaced with microscopes to improve auto focusing.
  • Uw Space Science And Engineering Center
    Software Engineer
    Uw Space Science And Engineering Center Jan 1996 - Dec 1999
    Madison, W
    Developed and managed Vis5D a Scientific 3D Visualization program. Performed a wide range of other duties, including user support and education, collaboration with the user community, feature requests and improvements, and extensive documentation.
  • Uw Space Science And Engineering Center
    Software Engineer
    Uw Space Science And Engineering Center Jan 1996 - Jan 1999
    Madison, Wisconsin Area
    Developed and managed Vis5D a Scientific 3D Visualization program. Performed a wide range of other duties, including user support and education, collaboration with the user community, feature requests and improvements, and extensive documentation.- Managed a large code base written in C.- Designed, implemented and tested significant enhancements to the software.- Ensured that the source code would compile on all flavors of UNIX and LINUX.- Presented a paper on Vis5D at the Annual 1999 American Meteorological Society meeting.- Gave workshops and tutorials on the software.

M. Johan Kellum Skills

Sql Javascript Software Development C++ C Linux Mysql Agile Methodologies Web Services Ruby On Rails Angularjs

M. Johan Kellum Education Details

Frequently Asked Questions about M. Johan Kellum

What company does M. Johan Kellum work for?

M. Johan Kellum works for Allied 100, Llc (Aedsuperstore.com)

What is M. Johan Kellum's role at the current company?

M. Johan Kellum's current role is Software Architect.

What is M. Johan Kellum's email address?

M. Johan Kellum's email address is jo****@****ail.com

What is M. Johan Kellum's direct phone number?

M. Johan Kellum's direct phone number is +160883*****

What schools did M. Johan Kellum attend?

M. Johan Kellum attended University Of Wisconsin-Madison.

What skills is M. Johan Kellum known for?

M. Johan Kellum has skills like Sql, Javascript, Software Development, C++, C, Linux, Mysql, Agile Methodologies, Web Services, Ruby On Rails, Angularjs.

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