Jotham Apaloo

SYSTEMS DEVELOPER - April, 2016 to present

Whitehorse, Yukon


Tesera Systems Inc.

  • Server and scripting languages (Python, R, Bash)
  • Frontend languages (HTML, CSS, Javascript)
  • Databases (PostgresSQL, SQL Server)
  • Web frameworks (flask, django, rails)
  • Cloud and deployment technologies (AWS, docker)
  • Machine learning and data processing libraries (scikit learn, theano, pandas, caret, dplyr) 


Django Contractor - September, 2015 to March, 2016

Guiding Star Communications &  Consulting

  • Pull down code from server and cleanup git repo
  • Implement a feature branch workflow
  • Review code, enforce PEP and utilize django conventions
  • Migrate from sqlite to postgres
  •  Collaborate with client to define features (canvas export, versioning, and survey respondent data visualization)
  •  Implement new features and deploy to production 


Django Sub-Contractor - June, 2015 to September, 2015

Ontario College of Pharmacists

  • Collaborate with lead contractor and client to define requirements for new features
  • Implement new backend models and functionality, and update frontend content accordingly
  • Refactor javascript code for inline formsets
  • Document PostgreSQL installation procedure
  • Business administration (billing, time tracking, etc) 


Catastrophe Risk Analyst - May, 2015 to June, 2015

Validus Research Inc.

R and Python Projects

  • Gathered user requirements, updated management, briefed team, tested and gathered user feedback for two log parsing applications.
  • tslogshark, a command line program to parse and access meaningful details from the exposure import logs one of the catastrophe modeling program Touchstone.
  • catbeach, a command line program to parse and access meaningful details from the catastrophe bond modeling output (XML).
  • Took the independent initiative to develop YoYGator, an R shiny application and package which enabled analysts to visualize and investigate inter annual differences in exposures and catastrophe losses for deals.
  • Took the independent in initiative to develop analyst tools, an R package for the catastrophe modeling process. This included convenience functions for routine file system operations, database queries.
  • Wrote and presented an introduction to R for catastrophe analysts and developers.

Procedural documentation

  • Enhanced procedural documentation for the catastrophe modeling process and contributed to Catastrophe Modeling Wiki.

Catastrophe modeling for reinsurance deals

  • Simulated natural catastrophe and terrorism insurance losses on insurance portfolios.
  • Investigated aggregate exposure characteristics using database queries.
  • Investigated reasons for year-on-year changes in portfolio losses.
  • Provided underwriters with catastrophe modeling, exposure characteristics, and analysis summaries.
  • Collaborated with underwriters to model unusual reinsurance contract structures.
  • Verified unusual data with brokers and clients.

Other Work

  • Produced geospatial visualization for comparisons of industry-wide losses under different models and event rates.
  • Conducted sensitivity tests and investigations of differences between model versions.



  • Master of Science, Geography,  2011 to 2013

Thesis Title: Thermal and Hydrological Response of Rock Glaciers to Climate Change: A Scenario Based Simulation Study- University of Waterloo

  • Bachelor of Environmental Studies, Geography and Environmental Management,  2007 to 2011

University of Waterloo



  • 6 years of experience carefully munging data, implementing sophisticated quantitative models, and developing novel visualizations
  • Experienced with R and python reproducible reporting tools and visualization libraries
  • Documents systems and applications with diligence
  • Collaborates with internal and external stakeholders to identify software and information needs
  • 2 years of experience developing prototype and production algorithmic software & web applications
  • Demonstrated ability to communicate technical subjects with non-experts
  • Translates user requirements into technical specifications