Actively hiring
Recruiting Software & ATS
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Team
51-200
employees, estimated range
Hiring now
5
+2 posted in 30 days
Backers
3
D11Z. Ventures, Soonami
Momentum
41/100
hiring for its size, a new city, 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
Tractionpublic signals, read monthly
Web presence
top 0.31%
of 133.2M domains by links, Common Crawl
Hacker News stories
3
best: 1 points
Registers and programsofficial lists and records that name the company
| Legal entity | JOIN Solutions GmbH | its site |
Founders and leadersfrom filings, registers and the company's site
Tim Mathias RuffnerManaging Directorcompany's site
Backed byfrom the funds' portfolios and accelerator catalogs
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How Join hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
Join scores B on the Alion truth index (A is best, E worst), measured over 3 open roles re-checked against its own hiring board: 0% look like ghost listings, 100% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
JOIN is a recruiting software company that provides a free-to-start applicant tracking system for small and medium-sized businesses. Employers use it to publish job ads to more than 250 job boards at once, draft inclusive job ads in six languages and run structured interviews, with customers mainly in the DACH region, France and Spain. The company is headquartered in Berlin, Germany.
News
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Tech stack
Technologies named in job postings at Join over the last 12 months, by layer, with the share of postings for each.
Technologies in use
62
Postings analysed
11
Stack modernity
83/100AI adopter
Languages
JavaScript55%
TypeScript45%
Java36%
Python36%
Frameworks & libraries
React.js36%
Angular18%
Appium9%
AutoGen9%
Databases
Redis18%
MariaDB9%
PostgreSQL9%
Cloud & platforms
Kubernetes45%
AWS27%
Azure27%
Amazon S318%
AI & ML
Claude18%
LLM9%
Sign in to see how your skills match this stack
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Full Join tech stack
62 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$138k
Typical range
$138k
Open positions
1
1
Jobs
Staff
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Staff | 1 | $138k | $138k |
Highest paying role
SAP Technology Delivery Lead (all genders)
$138k
Normalized to USD per year
People

Tim Mathias Ruffner
Managing Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
82/100
Scaling fast
Open positions
5
2 opened / 1 closed in 30 days
Median time-to-fill
142 days
faster than 10% of the market
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.
Backend
33% ▼
Marketing
33% ▲
Enterprise Apps
33% ▲
Activity Timeline
Added Braze to stack
Oct 2026
Added Amplitude to stack
Oct 2026
New location: Barcelona
Oct 2026
New location: Berlin
Oct 2026
Added Clean Architecture to stack
Oct 2026
Added Apache Kafka to stack
Oct 2026
Added Agile to stack
Oct 2026
Added gRPC to stack
Oct 2026
Added GraphQL to stack
Oct 2026
New location: Frankfurt am Main
Sep 2026
Removed Vector from stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
4
Hiring now
3
Countries
3
Busiest office
Berlin
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Headquarters
Builds here
Office with open vacancies
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Berlin
Germany
HQ
1 open roles 10-50 est. staff
hires for Leadership
Barcelona
Spain
Regional office
3 open roles 1 posted in 90 days 33% engineering 33% remote 10-50 est. staff
hires for Backend, Leadership, Marketing
Frankfurt am Main
Germany
1 open roles 1 posted in 90 days 100% engineering 10-50 est. staff $138k Avg Salary
hires for Enterprise Apps
Pfäffikon
Switzerland
Regional office
Eichenstrasse 2, Pfäffikon, Schwyz, 8808, CH
Earlier presence
Zurich, Switzerland
Lucerne, Switzerland
Bern, Switzerland
Mannheim, Germany
Zug, Switzerland
Jobs
$112k – $135k per year • In office • Full-Time • 7+ years exp • Frankfurt am Main
Apply
≈ $88k – $177k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Berlin
JavaScript
SQL
Node JS
GraphQL
React.js
DevOps
gRPC
Docker
Kubernetes
Apply
≈ $52k – $151k per year (Estimated) • Hybrid • Full-Time • 5+ years exp • Bachelor's Degree • Barcelona
JavaScript
SQL
Node JS
GraphQL
React.js
DevOps
gRPC
Docker
Kubernetes
Apply
≈ $58k – $123k per year (Estimated) • Remote (Spain) • Full-Time • 5+ years exp • Barcelona
JavaScript
TypeScript
Node JS
RabbitMQ
Apache Kafka
Frontend
GraphQL
Mobile
Clean Architecture
DevOps
gRPC
GCP
AWS
Management
Agile
Kanban
Apply

D11Z. Ventures
Soonami
b2venture