Flex

Health Insurance & Benefits · Payment Processing & Gateways
1open role
4backers · Y Combinator, First Round Capital
Growinghiring pace, 73 of 100
20stories in the press

Overview

Browse 1000+ HSA/FSA-eligible brands and thousands of approved products—from vitamins to wellness tech. Spend your pre-tax dollars and save instantly on Flex.

Funding and backers

Hiring now
1
+1 posted in 30 days
Backers
4
Y Combinator, First Round Capital
Momentum
28/100
hiring for its size, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jun 2023 Went through Y Combinator
Tractionpublic signals, read monthly
Web presence
top 0.33%
of 133.2M domains by links, Common Crawl
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
sikahealthVenture round $5M · 4 yr ago · Founded 2021 · 11-50 employees
Shop HSA/FSA-eligible wellness, fitness, and health products on Sika. Use tax-free dollars to save on essentials. Learn more about our…
TruemedSeries A $34M · 10 mo ago · Founded 2022 · 51-200 employees · 6 roles
Truemed is a payment infrastructure company that lets qualified consumers use HSA and FSA funds on eligible health and wellness purchases…
MirzaVenture round $3.6M · 3 yr ago · Founded 2022 · 11-50 employees
Mirza is public benefits infrastructure. We help state agencies and health plans verify and enroll every eligible person, and keep them…
A wearable compression device to build strength with less strain so you can play harder. FDA Registered. HSA/FSA Eligible.
Empower your food service business with Prado's platform—enabling physicians to prescribe HSA/FSA-eligible meals and manage subscriptions…
CardFlightVenture round · 2 yr ago · 51-200 employees
CardFlight is committed to building great software to make payment acceptance easy for business owners. SwipeSimple, our signature product…

Jobs

$105k – $125k per year · Equity · Remote (United States) · Full-Time
SQL
Metabase
QA
Postman
Apply

Growth

Hiring Momentum
73/100
Growing
Open positions
1
1 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Support
100% ▲

Tech stack

Technologies named in job postings at Flex over the last 12 months, by layer, with the share of postings for each.
Technologies in use
3
Postings analysed
1
Stack modernity
71/100
Languages
SQL
Cloud & platforms
Metabase
Postman
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Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors4
Rethink ImpactVia a fund
44 portfolio companies: Seven Starling, Nectir, Andromeda Robotics and 41 more
190 portfolio companies: Zefr, Phonic, Mach9 and 187 more
355 portfolio companies: Aslan protects, Inc., Nessie, Jaccard and 352 more
Y CombinatorVia a fund
6311 portfolio companies
Show all 4

News

News gonintendotweet 2 months ago
UNO "UNO Flex" DLC now available
Flex on the competition
Read more
Report
News space.blog.gov.uk 2 months ago
Sentinel-3C and FLEX launch into orbit
From forecasting ocean conditions to understanding how crops respond to drought, two European satellites with key UK contributions have launched together and will expand our view of the Earth in unprecedented ways.
Read more
Report
News cmpnd.ai 3 months ago
Introducing Flex: Let the Model Write the Code - Cmpnd
Introducing Flex, a DSPy module that exposes its own source code to the optimizer. On a location conflation task, GEPA rewrote the program to be more accurate, 28% cheaper, and 40% faster than the baseline.
Read more
Report
News claudeusage 4 months ago
Claude Code leaderboard - top users by cost, hours & tokens
The public Claude Code leaderboard. Compare developers by API-equivalent cost, active hours, and billed tokens, filter by model, and find your own rank.
Read more
Report
News webbynode.com 4 months ago
Webbynode - Real VPS Performance Data
Same VPS plan. Same region. Results don't always match. 300+ repeated benchmarks across regions - measured over time, not single runs.
Read more
Report
Show more news