DOSSIER · UPDATED 18 NOV 2025

Mason

Mason provides mobile infrastructure-including hardware, software, and services-to help companies build and scale smart hardware products. Our turn-key solution provides end-to-end control over everything from the hardware and operating…

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Founded: 2015
Headcount: 39
Open roles: 0
Last raised: Series A · $25M

SECTION I · THE BRIEF

Inside Mason

Brief #18130Updated 18 NOV 2025SEATTLEY COMBINATORSERIES A

Employbl Dossier

Mason

Founded: 2015
Headcount: 39
Open roles: 0
Last raised: Series A · $25M

Section II — RestrictedMembers only

Engineering interview process at Mason
Tech stack & infrastructure choices
Culture & day-to-day work style
Why join now vs. 6 months from now
Hiring focus & open headcount by team
Comp philosophy and band context

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LEADERSHIP

Founders & key people

Jim Xiao

OPEN ROLES

Hiring at Mason

Current Job Listings

Listing 0 of 0 job openings

We don't currently have any jobs listed for this company. We suggest visiting the Jobs Search page if you are looking for exciting new tech and startup opportunities.

FUNDING

Capital raised

Total Amount Raised: $25,120,000

Mason's Investors

Y Combinator

Social Capital

Soma Capital

Mason Funding Rounds

Series A
$25,000,000
Aug 14, 2019
Series A
$25,000,000
Aug 13, 2019
Series A Investors
Coatue Management
Base10 Partners
Notable Capital
Pre Seed
$120,000
Mar 22, 2016
Pre Seed
$120,000
Mar 21, 2016
Pre Seed Investors
Y Combinator
Kevin Mahaffey
Louis Beryl
Justin Mateen
Soma Capital
Social Capital
Four Cities Capital
Liquid 2 Ventures