368,910open jobs
9,449companies
47,822added this week
Browse all
Salary
$62k – $142k per year (Estimated)
Location
In office (Paris)
Seniority
Principal
Employment
Internship
Overview
Company
Impact
Profile match
Teads is a digital advertising company founded in Montpellier in 2011 that invented the outstream video format. Its marketplace connects premium publishers with advertisers through cookieless targeting and attention-based measurement. The company was acquired by Altice and later merged with Outbrain while keeping large engineering teams in France.

About Teads

Teads is a leading omnichannel advertising platform focused on driving outcomes for brand and performance advertisers across screens. With a focus on meaningful business outcomes for branding and performance objectives, Teads drives value by leveraging predictive AI technology to connect quality media, beautiful brand creative, and context-driven addressability and measurement. Teads is directly partnered with more than 10,000 publishers and 20,000 advertisers globally. The company is headquartered in New York, New York with a global team of around 1,700 people in 30+ countries.

For more information, visit www.teads.com.

About the opportunity  We are seeking a Principal Engineer Consultant for our Data Science & AI department, with deep experience in the advertising industry, to join a team of passionate engineers who build advertising solutions at world scale. We build and operate large-scale distributed machine learning systems that make 1B predictions per second during real-time auctions.

The Principal position at Teads represents the highest level of seniority on the IC ladder. They are tackling cross-functional, strategical, and pivotal initiatives, prioritizing robust engineering choices. Principals are working closely with the Leadership, Product and Engineering teams, all while fostering a culture of excellence. 

What will you do?

As a Principal Engineer in our Data Science & AI Department your mission will be to:

  • Stay on top of the state-of-the-art science and technology of large scale advertising systems
  • Areas of interest are models for CTR and CVR, foundation models for recommendation systems, on-line learning, cold start, embeddings for users, ads and similar,ad matching and ranking, pacing and optimal bidding, auction design, etc.
  • Work with teams of data scientists and machine learning engineers to identify investment opportunities
  • Help the teams across the organization in implementing the solutions as an advisor
  • On projects you choose you will be a part of the implementation team where you will be expected to participate in bringing them projects to the production environment
  • Work with product managers to find data science and AI projects with best cost/benefit risk/reward ratios
  • Spend time experimenting with new approaches by yourself
  • Follow industrial and academic research, occasionally publish at conferences

What will you bring to the team?

  • Deep experience of the ad tech industry use of AI and data science
  • Strong communication skills, working collaboratively with the team, able to teach concepts, and communicate complicated topics to expert audiences
  • Strong problem solving skills, and ability to align teams on solutions
  • True scientist skills: fast learner, curious, sense of details, rigorous
  • Experience in Statistics (i.e. statistical analysis, regression analysis, …) and/or Artificial Intelligence (i.e. Data Mining, Machine Learning, …)
  • Ability to read scientific articles, to analyze critically, and to implement as appropriate
  • Good taste in architecture of AI systems

The team

  • The AI department currently consists of 50 people who are a mix of data scientists, machine learning and backend engineers
  • Your peers will all have deep experience from on-line ad systems from Teads and previous companies. We are staying at the bleeding edge of research and technology
  • The department provides technologies that power outcomes of campaigns with a total yearly turn over of $1.7B
  • Runs large scale prediction and control systems for ad delivery, dealing with millions of live ads, doing more than a billion predictions per second based on large on-line trained models being updated every 5 minutes

Life at Teads

At Teads, we don’t just offer new roles - we blend creativity, technology, and data to shape the future of media. You’ll work with smart humans, meaningful brands, and cool tools, all while helping redefine how advertising works in a world that demands more transparency, better insights, and smarter strategies.

As a Teadster, you’ll play a critical role in shaping our future success in the region. Here’s why Teads stands out:

  • We've merged two open internet category leaders-Outbrain and Teads-to create the ‘new’ Teads, a unified omnichannel platform that drives results from branding to performance across all screens, including CTV, mobile, and web.
  • As part of our team, you’ll thrive in a collaborative and forward-thinking environment that fosters innovation, creative problem-solving, and continuous learning.
  • Teads is committed to your success, offering the support, tools, and development opportunities you need to excel in your role.

Our company culture is welcoming, dynamic, diverse, global, and built on top performance.

Teads is an equal employment opportunity employer and committed to diversity and inclusion at all stages of recruitment and employment.

Our team is made up of individuals who are approachable, resourceful, passionate, and proactive. We foster a sense of belonging through our Employee Resource Groups - employee-led groups in which we debate topics and drive change: environmental, women empowerment, charitable initiatives to diversity, equity, and inclusion, you’ll be able to share your passions with likeminded people.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
368,910 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Similar stack
Same company
Paris
AI Engineer 1 day ago
$25k – $103k per year (Estimated) • In office • Full-Time • Bachelor's Degree • Gurgaon
Python
SQL
Databases
Databricks
Microsoft Fabric
AI/ML
AI Agents
Embeddings
Gemini
Hallucination
LangChain
LangGraph
LLM
Multimodal AI
Prompt Engineering
PyTorch
RAG
Semantic Search
Spark
TensorFlow
Hugging Face
LLM Guardrails
LLMOps
OpenAI
Semantic Search
DevOps
AWS
Azure
CI/CD
Apply
$30k – $73k per year (Estimated) • In office • 7+ years exp • Bachelor's Degree • Gurgaon
Python
SQL
Python
Celery
FastAPI
Databases
Apache Kafka
RabbitMQ
AI/ML
AutoGen
Claude
CrewAI
Embeddings
Hallucination
LangGraph
LLM
Model Context Protocol
Prompt Engineering
RAG
LangChain
AI Agents
Anthropic
LLM Guardrails
OpenAI
Mobile
Clean Architecture
DevOps
AWS
Azure
CI/CD
Datadog
Docker
GCP
Grafana
Kubernetes
OpenTelemetry
Prometheus
Vector
WebSockets
Cybersecurity
Least Privilege
Apply
$27k – $69k per year (Estimated) • Remote • Full-Time
JavaScript
Node JS
Python
TypeScript
AI/ML
Embeddings
LLM
RAG
LLM Guardrails
AI Agents
Function Calling
Model Context Protocol
Frontend
Angular
DevOps
AWS
Azure
CI/CD
Docker
GCP
Vector
Apply
$21k per year • In office • Contractor • Yekaterinburg
Python
SQL
Python
FastAPI
Flask
AI/ML
Claude
Claude Code
Embeddings
Function Calling
LLM
RAG
OpenAI
OpenAI Codex
Structured Outputs
DevOps
Docker
Git
Apply
$98k – $132k per year • Remote • Full-Time • 5+ years exp • Bachelor's Degree
Python
R
SQL
Databases
Databricks
Snowflake
AI/ML
Embeddings
LangChain
LangGraph
LLM
NumPy
Pandas
Scikit-learn
Spark
TensorFlow
Transformers
Hugging Face
RAG
Analytics
Matplotlib
Seaborn
Apply
$111k – $175k per year (Estimated) • In office • 5+ years exp • Master's Degree • London
AI/ML
Edge AI
Apply
Remote/Hybrid • Bachelor's Degree • Ljubljana
JavaScript
Python
SQL
Databases
MySQL
AI/ML
AI Agents
DevOps
Grafana
Rest API
Management
n8n
Apply
$20k – $83k per year (Estimated) • In office • Bachelor's Degree • Gurgaon
JavaScript
Python
SQL
Databases
MySQL
AI/ML
AI Agents
DevOps
Grafana
Rest API
Management
n8n
Apply
In office • Internship • Ljubljana
Java
Python
Scala
TypeScript
JavaScript
Databases
Cassandra
Google BigQuery
Memcached
MySQL
PostgreSQL
Redis
Frontend
Angular
DevOps
AWS
GCP
Kubernetes
Apply
$50k – $100k per year (Estimated) • Remote/Hybrid • Montpellier
Go
Java
Kotlin
Node JS
Scala
TypeScript
JavaScript
Databases
Google BigQuery
MySQL
Frontend
React.js
Mobile
Clean Architecture
DevOps
AWS
CI/CD
GCP
GitHub Actions
GitHub
Apply
Group Data Director 2 hours ago
$88k – $189k per year (Estimated) • Remote/Hybrid • Full-Time • 8+ years exp • Master's Degree • Paris
SQL
Databases
Snowflake
Analytics
Tableau
Apply
In office • Full-Time • PhD • Paris
Node JS
JavaScript
Node JS
Commander.js
Apply
$45k – $115k per year (Estimated) • In office • Full-Time • 3+ years exp • Paris
Apply
$35k – $87k per year (Estimated) • In office • Full-Time • 3+ years exp • Paris
Analytics
Power BI
Apply
$51k – $92k per year (Estimated) • Remote/Hybrid • Internship • 5+ years exp • Paris
Apply
See all jobs
This is one of many
368,910 more open roles from verified company boards, updated every day.