Machine Learning Intern

Job Description:

Integral Ad Science (IAS) is a leading global media measurement and optimisation platform that delivers the industrys most actionable data to drive superior results for the worlds largest advertisers publishers and media platforms and were looking for a Data Science Intern to join our Multimedia Services (Embeddings & Agentic Systems) Team. IASs software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information visit .

As a Data Science Intern you will work on cutting-edge machine learning projects that power IASs next generation of multimodal classification systems. Youll get hands-on experience with large-scale video image text and audio models; active learning workflows; and high-throughput ML pipelines running in production. This internship is an opportunity to contribute to systems used by major global advertisers collaborate with experienced data scientists and ML engineers across Dublin Italy and the US and build portfolio-ready work that has real impact. Youll have the space to experiment the mentorship to grow and the ability to ship meaningful improvements that shape IASs future AI capabilities.

This is a 36-hour-per-week 10-week hybrid internship running from June 15 to 24 August 2026. Applications are due by 11 May 2026.

What youll get to do
Build and evaluate machine learning models for multimodal content understanding across video audio text and images.
Develop and analyse models used for model training active learning and large-scale evaluation.
Run experiments using modern ML frameworks (PyTorch TensorFlow Hugging Face) and document findings clearly.
Contribute to ML pipelines and tooling used for retrieval embeddings and automated annotation.
Collaborate with data scientists ML engineers and knowledge engineers to test new ideas and improve classification accuracy.
Present results insights and recommendations to the broader ML team.
Support ongoing research initiatives in areas like semantic topic modelling misinformation analysis and trend detection.

You should apply if you have most of this experience
Currently pursuing a degree in Computer Science Machine Learning Data Science or a related field.
Experience with Python and common data science libraries (NumPy Pandas Scikit-learn).
Familiarity with at least one deep learning framework (PyTorch or TensorFlow).
Interest in computer vision NLP audio processing or multimodal modelling.
Ability to work with datasets run experiments and explain results clearly.
Curiosity willingness to learn and comfort asking questions.
Strong analytical thinking and attention to detail.


What puts you over the top
Experience with embeddings (CLIP Whisper BERT etc.) or vector databases.
Hands-on work with active learning retrieval or large-scale ML pipelines.
Prior internship or project experience in applied machine learning.

New York/California Applicants: The salary range for this position is $XXXXX - $XXXXX. Actual pay may vary based on experience or geographic location.
About Integral Ad Science
Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industrys most actionable data to drive superior results for the worlds largest advertisers publishers and media platforms. IASs software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information visit .
Equal Opportunity Employer:
IAS is an equal opportunity employer committed to our diversity and inclusiveness. We will consider all qualified applicants without regard to race color nationality gender gender identity or expression sexual orientation religion disability or age. We strongly encourage women people of color members of the LGBTQIA community people with disabilities and veterans to apply.
California Applicant Pre-Collection Notice:
We collect personal information (PI) from you in connection with your application for employment or engagement with IAS including the following categories of PI: identifiers personal records commercial information professional or employment or engagement information non-public education records and inferences drawn from your PI. We collect your PI for our purposes including performing services and operations related to your potential employment or engagement. For additional details or if you have questions contact us at
To learn more about us please visit agency/3rd party recruiters: IAS does not accept any unsolicited resumes or candidate profiles. If you are interested in becoming an IAS recruiting partner please send an email introducing your company to We will get back to you if theres interest in a partnership.

About Integral Ad Science:

Integral Ad Science (IAS) is a leading global media measurement and optimization platform that delivers the industrys most actionable data to drive superior results for the worlds largest advertisers publishers and media platforms. IASs software provides comprehensive and enriched data that ensures ads are seen by real people in safe and suitable environments while improving return on ad spend for advertisers and yield for publishers. Our mission is to be the global benchmark for trust and transparency in digital media quality. For more information visit .

Equal Opportunity Employer:

IAS is an equal opportunity employer committed to our diversity and inclusiveness. We will consider all qualified applicants without regard to race color nationality gender gender identity or expression sexual orientation religion disability or age. We strongly encourage women people of color members of the LGBTQIA community people with disabilities and veterans to apply.

California Applicant Pre-Collection Notice:

We collect personal information (PI) from you in connection with your application for employment or engagement with IAS including the following categories of PI: identifiers personal records commercial information professional or employment or engagement information non-public education records and inferences drawn from your PI. We collect your PI for our purposes including performing services and operations related to your potential employment or engagement. For additional details or if you have questions contact us at

Attention agency/3rd party recruiters: IAS does not accept any unsolicited resumes or candidate profiles. If you are interested in becoming an IAS recruiting partner please send an email introducing your company to We will get back to you if theres interest in a partnership.