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Greg Pfeil Email & Phone Number

programming language & compiler hacker at Self-employed
Location: Boulder, Colorado, United States 11 work roles 1 school
1 work email found @amazon.com 6 phones found area 206, 303, 415, and 510 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 6 phones

Work email p****@amazon.com
Direct phone (206) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Self-employed
Role
programming language & compiler hacker
Location
Boulder, Colorado, United States

Who is Greg Pfeil? Overview

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Quick answer

Greg Pfeil is listed as programming language & compiler hacker at Self-employed, based in Boulder, Colorado, United States. AeroLeads shows a work email signal at amazon.com, phone signal with area code 206, 303, 415, 510, and a matched LinkedIn profile for Greg Pfeil.

Greg Pfeil previously worked as Independent Software Consultant at Self-Employed and Senior Software Engineer at Electric Coin Co.. Greg Pfeil holds Music Composition, Computer Science from James Madison University.

Company email context

Email format at Self-employed

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{last}@amazon.com
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AeroLeads found 1 current-domain work email signal for Greg Pfeil. Compare company email patterns before reaching out.

Profile bio

About Greg Pfeil

Energetic, enthusiastic, and capable of providing the quality implied by the title of engineer, I am knowledgeable in language design and able to utilize any language at an intermediate level in a week’s time. The craft of software is of utmost importance – creating applications worthy of pride. I am determined and take great pleasure in my work – a strong and flexible part of any team, willing to take on less glamorous work to make sure the end result is of the highest possible quality.Specialties: Common Lisp, DSP, relational theory, process calculi

Listed skills include Common Lisp, Haskell, Scala, Functional Programming, and 2 others.

Current workplace

Greg Pfeil's current company

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Self-employed
Self-Employed
programming language & compiler hacker
11 roles

Greg Pfeil work experience

A career timeline built from the work history available for this profile.

Independent Software Consultant

Current
Self-Employed

Focus on functional programming and technical leadership.

Jun 2023 - Present

Senior Software Engineer

Denver, Colorado, US

Aug 2022 - Jun 2023

Senior Software Engineer

Palo Alto, CA, US

Oct 2019 - Apr 2022

Staff Software Engineer

San Francisco, CA, US

Sep 2017 - Oct 2019

Backend Engineer

Boulder, CO, US

  • was the first hire at the company;
  • implemented a expression-based SQL compiler with extensions for NoSQL operations [Quasar];
  • designed a flexible compiler IR that adapts to the capabilities of various backends;
  • implemented multiple compiler backends, including MongoDB, Spark, & JavaScript;
  • mentored other developers in advanced functional programming techniques;
  • contributed to the Scala compiler & many Open Source libraries; and
Jun 2014 - Jul 2017

Senior Software Engineer

US

  • converted a prototype musical composition tool to a production-quality product [Opusmodus];
  • contributed to the implementation of programming languages in Haskell for darpa-backed computer security project, including compilation to an experimental hardware architecture and created applications to demonstrate.
  • developed data model and performed overall system optimizations on the correlation engine of a high-level network intrusion system;
  • performed benchmarking and optimization of large-scale airline reservation system [ita];
  • designed and implemented a financial term sheet simulator for the Evolvable Law project at Harvard’s Berkman Center for Internet & Society;
  • developed iOS applications for various clients, including a rebrandable news & information distribution system and a prototype assistive communications application for people with disabilities; and
Dec 2007 - Jun 2014

Software Development Engineer

Seattle, WA, US

  • conceived, designed, and developed a declarative logic system written in Common Lisp to simplify Website features while improving parallelism and performance [Product Discovery Service];
  • revamped a C++ content-scheduling system to add a feedback-based learning component, and to make it modular so third-parties could schedule new content [Upsell Cart];
  • performed Weblab (A/B testing) experiments, acting as analyst in interpreting the data;
  • personally responsible for millions of dollars in gross profit (as measured by Amazon’s Weblab system);
  • spearheaded skunkworks effort to support Lisp development; and
  • wrote a generic structured-data retrieval service in C++ to replace parsing of BDB values on the Web servers.
Sep 2004 - Dec 2007

Owner

Valent Solutions
Jun 2003 - Apr 2004

Software Engineer

Xml Global Technologies
Nov 1999 - Jul 2003

All And Sundry

Philadelphia, PA

May 1995 - Feb 1998
1 education record

Greg Pfeil education

  • James Madison University
    James Madison University
    Computer Science
FAQ

Frequently asked questions about Greg Pfeil

Quick answers generated from the profile data available on this page.

What company does Greg Pfeil work for?

Greg Pfeil works for Self-employed.

What is Greg Pfeil's role at Self-employed?

Greg Pfeil is listed as programming language & compiler hacker at Self-employed.

What is Greg Pfeil's email address?

AeroLeads has found 1 work email signal at @amazon.com for Greg Pfeil at Self-employed.

What is Greg Pfeil's phone number?

AeroLeads has found 6 phone signal(s) with area code 206, 303, 415, 510 for Greg Pfeil at Self-employed.

Where is Greg Pfeil based?

Greg Pfeil is based in Boulder, Colorado, United States while working with Self-employed.

What companies has Greg Pfeil worked for?

Greg Pfeil has worked for Self-Employed, Electric Coin Co., Kitty Hawk, Formation, and Slamdata.

How can I contact Greg Pfeil?

You can use AeroLeads to view verified contact signals for Greg Pfeil at Self-employed, including work email, phone, and LinkedIn data when available.

What schools did Greg Pfeil attend?

Greg Pfeil holds Music Composition, Computer Science from James Madison University.

What skills is Greg Pfeil known for?

Greg Pfeil is listed with skills including Common Lisp, Haskell, Scala, Functional Programming, Programming Languages, and Compilers.

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