Fifteen
fifteen.eu
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Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
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Echonect: Fifteen Years on Apache Camel
A five-part, fifteen-year story of building and running Echonect, one of Europe's larger SMS gateways, on Apache Camel. From a twelve-month rebuild deadline in 2011 to 500+ messages per second per node today, and the boring, durable engineering that kept
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Fifteen Years in Fifty Minutes
On January 16, 2026, an impossible bug was solved. A bug in a library downloaded over a billion times every year, with a wall of comments asking for help, several hacked-together workarounds, and a…
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Security Training, Reimagined with Conan O'Brien
Mandatory training, voluntarily watched. Fifteen short security-training films made with Conan O'Brien - free for your whole team to enjoy and learn from.
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The C++ Standard Library Has Been Walking Itself Back for Fifteen Years, and the Receipts Are Public
# The C++ standard library has been walking itself back for fifteen years, and the receipts are public Sandor Dargo's post this month on std::copyable_function(https://www.sandordargo.com/blog/2026/05/20/cpp26-copyable-function) closes with a quick-refere
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Two Portuguese police chiefs detained as abuse scandal escalates, reports say
The case first emerged last year, involving allegations of torture, rape and abuse of power.
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College basketball players among 26 charged in 'international criminal' betting scheme
Federal prosecutors have laid charges in what they say was a scheme to rig NCAA and Chinese Basketball Association games
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Tech stack
Technologies named in job postings at Fifteen over the last 12 months, by layer, with the share of postings for each.
Technologies in use
3
Postings analysed
1
Stack modernity
85/100
Languages
TypeScript
Developer tools
Rest API
Practices & domains
CI/CD
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Growth
Hiring Momentum
29/100
Slowing
Open positions
1
0 opened / 1 closed in 30 days
Median time-to-fill
19 days
faster than 59% of the market
ATS activity
Every ~5 hours
Today
Hiring Dynamics
0%
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.
Backend
50% ▲
Early Careers
50% ▲
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
1
Busiest office
Issy-les-Moulineaux
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Headquarters
Builds here
Office with open vacancies
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Montreuil
France
HQ
Issy-les-Moulineaux
France
1 open roles 2 posted in 90 days 100% engineering $806k Avg Salary
hires for Backend
Jobs
$605k – $806k per year · Hybrid · Full-Time · Issy-les-Moulineaux
TypeScript
Rest API
CI/CD
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