Lead Engineer
Current
Oct 2023 - Present
AeroLeads people directory · profile
William Grim Email & Phone Number
Lead Engineer at Happiness Enterprises LLC
at
Happiness Enterprises LLC
1 work email found
@belvederetrading.com
4 phones found area 312 and 914
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Lead Engineer at Happiness Enterprises LLC
Location
Greater St. Louis, United States, United States
Who is William Grim? Overview
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Quick answer
William Grim is listed as Lead Engineer at Happiness Enterprises LLC at Happiness Enterprises LLC, based in Greater St. Louis, United States, United States. AeroLeads shows a work email signal at belvederetrading.com, phone signal with area code 312, 914, and a matched LinkedIn profile for William Grim.
William Grim previously worked as Lead Engineer at Happiness Enterprises Llc and Big Data Engineer at Belvedere Trading, Llc. William Grim holds B.Sc., Pure Mathematics from City University Of New York City College.
Company email context
Email format at Happiness Enterprises LLC
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{first_initial}{last}@belvederetrading.com
86% confidence
AeroLeads found 1 current-domain work email signal for William Grim. Compare company email patterns before reaching out.
Profile bio
About William Grim
Software Engineer, Data Engineer / Scientist, Business Owner, and Investor:• 18 years of post-grad experience as a Backend Software Engineer and Data Engineer;• 3 years of experience as a Full-Stack Engineer;• 4 years of experience in Chicago's Proprietary Trading scene;• Brought the Roblox engine to Android / Linux with a small team;• Worked for Morgan Stanley in my early years, developing trading and back-office software for commodities traders;• Educational background in Computer Science, Artificial Intelligence (AI), Machine Learning (ML), and Pure Mathematics.I keep up with all the latest trends in technology and the marketplace, and I study technical and business material on my own time.Happiness Enterprises LLCCEO, MS Computer Science
Listed skills include C++, C, Python, Java, and 4 others.
Current workplace
William Grim's current company
Company context helps verify the profile and gives searchers a useful next step.
11 roles · 26 years
William Grim work experience
A career timeline built from the work history available for this profile.
Big Data Engineer
Jul 2022 - Oct 2023
Big Data Engineer
Apr 2021 - May 2022
Senior Software Engineer
Nov 2018 - Apr 2021
Big Data Engineer
Mar 2015 - Oct 2018
Mar 2013 - Feb 2015
Jan 2010 - Jan 2013
Dec 2007 - Dec 2009
Technology Analyst
- Implemented, as lead designer, a coverage-based querying system (i.e. semantic database).- Received professional-level training in C++, C#, Java, XML, NetBeans, and UNIX systems with Mallon Associates Intl.
Aug 2007 - Dec 2007
Graduate Assistant / Student Worker
2000 - 2007
~7 yrs
Software Developer
Levi, Ray, And Shoupe, Inc.
This was a seasonal internship.
2001 - 2005
~4 yrs
3 education records
William Grim education
B.Sc., Pure Mathematics
M.Sc., Computer Science
B.Sc., Computer Science
FAQ
Frequently asked questions about William Grim
Quick answers generated from the profile data available on this page.
What company does William Grim work for?
William Grim works for Happiness Enterprises LLC.
What is William Grim's role at Happiness Enterprises LLC?
William Grim is listed as Lead Engineer at Happiness Enterprises LLC at Happiness Enterprises LLC.
What is William Grim's email address?
AeroLeads has found 1 work email signal at @belvederetrading.com for William Grim at Happiness Enterprises LLC.
What is William Grim's phone number?
AeroLeads has found 4 phone signal(s) with area code 312, 914 for William Grim at Happiness Enterprises LLC.
Where is William Grim based?
William Grim is based in Greater St. Louis, United States, United States while working with Happiness Enterprises LLC.
What companies has William Grim worked for?
William Grim has worked for Happiness Enterprises Llc, Belvedere Trading, Llc, Monad Inc, Transunion, and Roblox.
How can I contact William Grim?
You can use AeroLeads to view verified contact signals for William Grim at Happiness Enterprises LLC, including work email, phone, and LinkedIn data when available.
What schools did William Grim attend?
William Grim holds B.Sc., Pure Mathematics from City University Of New York City College.
What skills is William Grim known for?
William Grim is listed with skills including C++, C, Python, Java, C#, Sql, Q/Kdb+, and Lisp.
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