Dan Goldstein

I am an expert software developer with 20 years of professional experience with business operations experience. My specialty is understanding how the business works and optimizing the software to perfectly fit the company's goals.


Contract Developer

I'm currently working for some mighty fine software shops on a contract basis.

I've previously contracted for:

  • a Django / React + Typescript website that plays wedding videos for LoveStoriesTV
  • a React + Typescript website to handle payment processing for Infinicept
  • a Python / React + Typescript learning management system for Thinkful, a Chegg company
  • a React + Typescript frontend and Rust backend for Clearbuild, a cash flow projection tool for construction companies
  • a React + Typescript frontend for a presentation upload service deployed to Deloitte for Tribe Media
  • a React + Typescript frontend and C# / .Net backend for a Medical Content Management system based on blockchain technology for Tribe Health Solutions
  • a Python and Django based website for Covera Health (via Toptal)
  • a Java to JavaScript / Node translation project for a social network (via Mindtrust Labs)
  • managed an Asset Management system for Caterpillar (via Toptal)
November 2017 to Present

Director of Software Development

Snowfall Technologies

Led a team of 10 people developing warehouse management software. Managed developer and tester tasking, customer relations, and releases. Reported directly to the owner of the company. Worked 60+ hours per week to get the job done properly.

October 2018 to March 2019

Chief Operating Officer

Cedar Oil Solutions

Software duties included maintaining and upgrading e-commerce website build with Woocommerce and PHP, but were a small part of my job.

Performed varied duties in this small natural insect control product manufacturer - whatever needed to be done. Increased gross margin to 60% and EBITDA to 22%. Created pricing schedule. Negotiated over $1.4M buyout. Demonstrated products at trade shows to open new sales channels. Discovered and negotiated with vendors to procure ingredients and packaging supplies. Researched chemistry to invent new products. Manufactured and improved products. Ensured compliance with state and federal regulations. Assisted with legal strategy that led to buyout.

October 2013 to August 2017

Head of Product Development


Coded first version and led development team (10 developers) of flagship software. Project grew to include PHP and Drupal plugins, C, C#, Python, Linux Shell Scripts, FFmpeg, Java, Javascript, HTML, and CSS.

On the strength of this project, the company sold for $40M in 2015. Transitioned to lead the operations team, ensuring the software was working and up-to-date. Held a Top Secret security clearance. Developed without Internet access due to restrictions of secure environments. Became company expert on Department of Defense security requirements (STIGs). Trained staff members about software development and processes.

September 2008 to October 2013

Software Developer

Consolidated Safety Services

Created websites with HTML, CSS, JavaScript, and ColdFusion or ASP/VBScript

April 2007 to November 2007

Software Developer

Trimble Navigation

Created an online map to track concrete mixers before GPS and Google Maps were generally available. Used ASP.NET, C#, C++, Javascript, HTML, and CSS.

April 2005 to April 2007

Software Developer


Created software to track aircraft taxiing in airports. Used C++, Win32/MFC, and OpenGL.

January 2004 to March 2005

Software Developer

ICS Multimedia

Created instructional animations and tests using Flash.

October 2002 to October 2003

Software Developer

University of Maryland

Used ASP and Javascript to track university assets.

October 2000 to May 2002



Podcast Player for Android

Features include on-phone updating, variable speed playback, weekly planner, discovery, and more. Actively developed since 2011. Used personally on a daily basis as my main podcast player. Reached a peak audience in 2015 of approximately 2,000 users through Play Store and F-Droid. No longer published, but kept up-to-date with the latest Android frameworks such as RxAndroid, Kotlin, and Room

Screenshots coming soon


Bare bones CRM for Android

A very simple CRM that imports contacts from the phone, keeps notes on their projects, and allows you to set up reminders to call or them.

Podcast Browser

iTunes Podcast Toplist Browser for iPhone and Android

Browse the top podcasts from iTunes using this simple to use app. Made with React Native.


George Mason University

MBA - Master of Business Administration
August 2005 to May 2008

University of Maryland, College Park

Bachelor of Science - Major in Computer Science
August 1998 to May 2002


Programming Languages & Tools
  • React
  • Typescript
  • JavaScript
  • Python
  • Rust
  • Django
  • React Native
  • Android
  • Java
  • Go
  • PHP
  • Kotlin
  • C#
  • SQL
  • Flutter
  • Dart
  • Bash
  • VIM
  • HTML
  • CSS
  • jQuery
  • Wordpress
  • WooCommerce
  • Drupal
  • MySQL
  • PostgreSQL
  • Unit Tests