Matt Epstein

Matt Epstein

Full Stack Engineer

ABOUT ME

I am an architect.a developer.an engineer.an end user.a mechanic.trouble.

I am passionate about software and hardware and how it shapes our lives.

LATEST TWEETS

INTREST

CODE

I read, write and teach it.

GROW

Plants love me because I love them back.  Dirt too.

BUILD

From a plan to a thing, making is as rewarding as the reward.

COOK

We all need to eat–hopefully at least once a day.  Might as well make it awesome!

 

BACKGROUND

20 Years Programming

High Volume Transactions

Secure Payments

Distributed Devices

Parallel Processing

Real Time UI

Mobile Reliability

Cloud Orchestration

 

CONTACT ME

Matt Epstein

Matt Epstein

matt@getepstein

WORK HISTORY

2013

Software Director

Link Technology Group, Valhalla, NY

PepsiCo – Principle Engineer for mobility applications used for Pepsi’s equipment service and warehouse automation.

  • Created Model-Driven reference architecture for Xamarin and Java based inventory tracking platform.
  • Designed and Implemented a Java Spring REST API to connect iOS devices
  • Introduced real-time messaging over 2G cellular on legacy Windows Mobile handheld devices.

Aramark – Overhauled existing mobile and web based route accounting software for Aramark Customer Service. 

  • Designed and built web-based scenario wizard on Microsoft MVC.Net with Angular bindings and JavaScript UI
2011

Director, Technology Applications

Signature Systems New York, NY

Designed and led development of e-commerce payment platform that allows Consumers to pay with loyalty rewards for merchandise in stores and online

  • Directed development of an eCommerce platform by creating reference implementation, mentoring, and reviewing code.
  • Produced a Quality Assurance Framework and trained a team of QA Analysts to execute manual and automated tests.
  • Defined specifications for a Big-Data Consumer Recognition Engine with the Acxiom Corporation.
  • Built and managed a cloud-based data center for development, testing and production at RackSpace and FireHost.
  • Managed external resources from offshore, onshore and boutique firms and ensured deliverables met a standard quality.
2008

Senior Consultant

NorthPoint Solutions, New York, NY

DelMar Asset Management – Delivered software on-demand at a multi-strategy hedge fund client.

Projects included:

  • Real-time Portfolio management system with Profit and Loss (P&L) and Bloomberg market data updates.
  • Excel Add-In for risk and multi-factor stress analysis using the Black Sholes model for pricing Options.
  • High-volume FIX protocol based order execution platform with direct connection to multinational brokerage desks.
  • Web Scraper service to search news websites for special phrases and notify traders with results.
  • Data warehousing, process caching, and partition rolling to efficiently store intraday trading data for long-term analysis.
2006

Senior Developer

Ipreo, New York, NY

Revitalized a web-based portal that allowed Retail Investment Bank customers to participate in new issue security deals such as Initial Public Offerings.

  • Redesigned legacy websites for scalability by refactoring, optimizing and caching heavily used components.
  • Developed and executed Load Runner scripts to simulate volume and analyze performance for bottlenecks.
  • Replaced legacy Active Directory authentication and authorization framework with lightweight Membership API provider.
  • Converted legacy Java web application to ASP.Net and integrated existing users with Single Sign On.
2004

Senior Analyst

Pepsi Bottling Group Somers, NY

Leveraged experience from PepsiCo to build a company-wide revenue planning system based on sales forecasts gathered from local field offices.

  • Drove a cross-organizational team from PepsiCo and other Pepsi bottlers to create a common sales forecast repository.
  • Designed and delivered web service based integration and synchronization methods to gather forecasts from field users.
  • Created reusable suite of test cases and performed load testing with Load Runner to ensure capacity.
  • Introduced Test Driven Development by organizing training, developing a unit testing framework, and assigning pairs.
2002

Consultant

PepsiCo Valhalla, NY

Rebuilt and enhanced a desktop forecasting tool which used available data sources to predict the effects of retail sales initiatives.

  • Contributed to the design and development of a desktop forecasting tool capable of sharing data on pricing and strategy.
  • Supported existing installation packages and developed new automated installation packages with network deployment.
2000

System Analyst

BlackHog.com Sunnyvale, CA

Contributed to an online marketplace for capital equipment procurement and supplier relationship management.

  • Defined User Interaction, requirements, and system flow based on user interviews, designers and domain experts.
  • Delivered UML documentation and automated daily publishing of UML model to company intranet
  • Produced prototype web front-end code to establish behavior of custom designed widgets and User Interfaces.
1999

Programmer

Naviant Technolgies Rochester, NY

Produced a marketing campaign targeting engine by integrating consumer data profiles with available data sources in a Data Warehouse.

  • Defined data flow processes and implemented Extract Translate and Load (ETL) routines for multiple data sources.
  • Created custom tools to examine large files, fix errors, and verify mappings for long-running processes.

EXTRA

2018

Backend Developer

GIGSTER INC
  • Delivered ASP.Net Core API for financial research trading platform. 
  • Created custom JWT authentication provider for claims-based  authorizations in a React UI using IdentityServer4
2017

Volunteer Teacher, Intro to Computer Science

PLAINFIELD UNIFIED SCHOOL DISTRICT

  • Collaborated with teachers and volunteers to plan and deliver Computer Science curriculum to High School students.
2016

Software Engineer

SHOTSENSE, INC

Software Engineer for a connected tactical device that measures acceleration of a gunshot for training and analysis.

  • Designed and built an Android tablet based User Interface to show projected shots on a target.
  • Developed robust real-time duplex communication channel over Bluetooth serial 
  • Applied fusion matrix over multiple sensor inputs to filter gravity noise from sensitive readings. 
  • Converted Java Android code with Bluetooth classic to C# Windows Unified Platform and Bluetooth LE for HoloLens

WEB UI SKILLS

HTML5

CSS3

jQuery

React

Angular

ASP.Net WebForms

Rust

JSP

JSTL

ASP.Net Razor

MOBILE UI SKILLS

Xamarin Forms

ANDROID

OBJECTIVE-C/SWIFT

Microsoft UWP

Windows Mobile

SERVER SKILLS

JAVA SPRING

ASP.NET

SERVLET

WORDPRESS

LANGUAGES

JAVA

.NET

ES6/JavaScript

Python

PHP

C++

DATA SKILLS

ANSI SQL

SQL SERVER

SYBASE

ORACLE

MY SQL

YOUR SQL

NO SQL

MESSAGING SKILLS

MQ/JMS

REST

MQTT

GRAPHQL

XML

SERIALIZATION

TCP/IP

BLUETOOTH CLASSIC

BLUETOOTH SMART (BLE)

SECURITY SKILLS

HTTPS/SSL/TLS

OpenID Connect/ JWT

Site Minder

OAuth

SAML

OWASP

EDUCATION

2002

Masters Program, Microsoft Visual Basic.Net

SETFOCUS

Parsippany, NJ

1999

Bachelor of Science, Information Technology

ROCHESTER INSTITUTE OF TECHNOLOGY

Rochester, NY

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