Jon Eisen

Software Developer

Senior Developer
Activision Analytic Services

Specialties and Skills

DevOps Modernization

  • Custom Platform
  • Microservices Development Environments
  • Continuous Integration / Delivery
  • Scalability

Distributed Web Services

  • API Design
  • Idea Prototyping
  • Efficiency Improvements
  • Any language, any database

Front-end Applications

  • Single Page Applications
  • Browser-native Javascript
  • React-based Applications
  • Clojurescript: Reagent or Om

Software Architecture

  • Design of large-scale systems
  • Application Security
  • Language Selection
  • Service-Oriented Architecture


Freelance Senior Software Engineer

October 2015 - Present

Senior Code Typist at Rafflecopter

September 2013 - October 2015
  • Architected and developed system for processing entries with composable and testable middleware, asynchronous queues (see portfolio), and microservices in node.js and clojure.

  • Developed DevOps infrastructure with custom SaltStack setup and then containerized Kubernetes setup, including nginx load balancers and database management. (See portfolio)

  • Developed various frontend applications including main Rafflecopter widget in browser javascript and unreleased UI improvements with reagent in Clojure.

  • Developed payment processor adapter with Stripe.

Senior Engineer at Under Armour

Summer 2012 - September 2013
  • Architected gradual rewrite of the system for an order of magnitude improvement in usability and efficiency.

  • Improved web page loading speed with both frontend efficiency improvements and backend rendering algorithm changes.

  • Developed batch-based recommendations engine to replace Omniture on

Software Engineer at Northrop Grumman

Summer 2009 - Summer 2012
  • Developed Synthetic Aperture RADAR (SAR) implementation in distributed high-throughput embedded system on specialty SIMD processers in C++.

  • Developed C++ middleware systems for created reusable, composable components for various use cases on embedded and hosted systems.

  • Developed advances in Synthetic Aperture SONAR (SAS) algorithm for specific users and use cases.


BS Applied Math, Georgia Tech

Fall 2005 - Spring 2009
  • Graduated with Highest Honor in Applied Mathematics, with a minor in Computer Science and a certificate in Entreprenuership.

MS Applied Math, Johns Hopkins

Summer 2010 - Fall 2013
  • Graduated from Johns Hopkins Engineering for Professionals program in Applied and Computational Mathematics, focusing on stochastic processes and optimization.