fifty-five
fifty-five.com
Actively hiring
Digital Marketing
Web Analytics & Tag Management
Marketing Analytics & Attribution
Analytics & BI Consulting
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Salaries
Products
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Growth
Offices
Jobs
Financials
How fifty-five hires
Truth index
A 96/100
Median time to fill
55 days
Ghost roles
0%
Stale roles
14%
Reposted roles
0%
fifty-five scores A on the Alion truth index (A is best, E worst), measured over 21 open roles re-checked against its own hiring board: 0% look like ghost listings, 14% have gone stale and 0% are the same role posted again. Its roles close in a median of 55 days. 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
fifty-five is a Paris data company founded in 2010 by former Google employees. It helps brands collect, govern and activate first-party data for measurement and media performance. Part of the You & Mr Jones group, it works from Paris, London, Geneva, Hong Kong, Shanghai, Singapore and New York.
News
We Need To Talk About Fifty-Five - SCP Foundation
The SCP Foundation's 'top-secret' archives, declassified for your enjoyment.
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Report
fifty-five Reveals Strategic Approach for Next-Gen MMM Transition - ExchangeWire.com
Next-Gen Marketing Mix Modelling (MMM) represents a leap forward from its predecessor, overcoming limitations and capitalising on data science
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Report
EXCLUSIVE: 55 Chinese sailors are feared dead after nuclear submarine 'gets caught in a trap intended to snare British and US vessels in the Yellow Sea' Daily Mail Online
EXCLUSIVE Officially, China has denied the incident took place. It also appears Beijing refused to request international assistance for its stricken submarine.
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Report
Data consultancy fifty-five expands into SEA, hires former Reprise APAC MD
The expansion into the Southeast Asia market comes on the back of rapid shifts in technology, especially during the pandemic, whichdramatically changed the way people interact and engage with brands.
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Report
Fifty-five Bodies, and Zero Trials, at the Florida School for Boys
The sheer number of bodies suggests that there may have been many killings, a possibility buttressed by eyewitness accounts.
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Report
Tech stack
Technologies named in job postings at fifty-five over the last 12 months, by layer, with the share of postings for each.
Technologies in use
41
Postings analysed
16
Stack modernity
89/100AI adopter
Languages
SQL69%
Python56%
JavaScript6%
LookML6%
Databases
BigQuery44%
Google BigQuery44%
Snowflake25%
Cloud & platforms
GCP44%
AWS31%
Azure31%
Kubernetes25%
AI & ML
LLM13%
ChatGPT6%
Gemini6%
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Full fifty-five tech stack
41 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
85/100
Scaling fast
Open positions
24
10 opened / 4 closed in 30 days
Median time-to-fill
56 days
faster than 25% of the market
ATS activity
Every ~6 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.
Marketing
25% ▼
Sales
25% ▼
Data Science
20% ▲
Operations
10% ▼
AI/ML
5% ▼
Leadership
5% ▲
Actively hiring for Data Science (+4 in 30 days)
Activity Timeline
Added Slack to stack
Oct 2026
Added OpenAI Codex to stack
Oct 2026
Added LLM Guardrails to stack
Oct 2026
Added IAM to stack
Oct 2026
Added Google ADK to stack
Oct 2026
Added Git to stack
Oct 2026
Added Gemini to stack
Oct 2026
Added dbt to stack
Oct 2026
Added Rest API to stack
Sep 2026
Added Microsoft Office to stack
Sep 2026
Added Machine Learning to stack
Sep 2026
Added Agile to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
5
Hiring now
5
Countries
5
Busiest office
Paris
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Headquarters
Builds here
Office with open vacancies
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Paris
France
HQ
12 open roles 12 posted in 90 days 58% engineering 200-500 est. staff
hires for Data Science, Sales, AI/ML
London
United Kingdom
Sales office
7 open roles 2 posted in 90 days 29% engineering 29% remote 50-200 est. staff
hires for Marketing, Data Science, Analytics
Geneva
Switzerland
Sales office
3 open roles 4 posted in 90 days 33% engineering 10-50 est. staff
hires for Marketing, Analytics
Taipei
Taiwan
Regional office
1 open roles 100% remote 10-50 est. staff
hires for Management
Jobs
≈ $58k – $95k per year (Estimated) • In office • Full-Time • Paris
Python
SQL
LookML
AI/ML
Machine Learning
Apply
≈ $51k – $87k per year (Estimated) • In office • Full-Time • Paris
Python
SQL
Machine Learning
Apply
In office • Internship • Master's Degree • Paris
SQL
Power BI
Looker
Apply
≈ $67k – $137k per year (Estimated) • Remote (United Kingdom) • Full-Time • London
Python
SQL
Google BigQuery
BigQuery
AI/ML
Claude Code
dbt
AI Agents
Gemini
LLM
Google ADK
OpenAI Codex
LLM Guardrails
DevOps
Terraform
GCP
Azure
CI/CD
Git
AWS
IAM
Analytics
Power BI
Looker
Management
Slack
Apply
≈ $65k – $125k per year (Estimated) • In office • Full-Time • Master's Degree • Paris
Python
SQL
Snowflake
Google BigQuery
BigQuery
DevOps
Rest API
Terraform
GCP
Azure
CI/CD
GitOps
AWS
Docker
Kubernetes
Apply
In office • Internship • Paris
Python
JavaScript
TypeScript
Copilot
ChatGPT
Claude Code
AI Agents
DevOps
Rest API
GCP
GitHub
Apply
≈ $50k – $86k per year (Estimated) • In office • Full-Time • Paris
Python
SQL
Snowflake
Google BigQuery
BigQuery
AI/ML
Airflow
DevOps
Rest API
Terraform
GCP
Azure
CI/CD
GitOps
AWS
Docker
Kubernetes
Apply
≈ $65k – $129k per year (Estimated) • In office • Full-Time • Paris
Python
SQL
Machine Learning
Apply
≈ $89k – $159k per year (Estimated) • Hybrid • Full-Time • London
Apply
≈ $52k – $120k per year (Estimated) • In office • Full-Time • Master's Degree • Paris
Apply