Apply now

Posted 7 months ago

Senior Applied Scientist, Measurement, Ad Tech, and Data Science (MADS)

@ Amazon Development Centre Canada ULC

Toronto, Ontario

Full-time3+ years experience
Apply now
SIGNALS

Overview

Amazon Development Centre Canada ULC is hiring a Senior Applied Scientist for its Measurement, Ad Tech, and Data Science (MADS) team to build media planning models for advertisers. The role covers the full model lifecycle from design to production, working with engineering and business stakeholders. The posting states a base salary of 195,900 to 327,200 CAD annually and full-time employment in Toronto.

Responsibilities:

  • Lead development of media planning models and solutions
  • Design, test and productionize machine learning models
  • Partner with engineering and product management on deployment
  • Mentor junior scientists
  • Present insights to technical and business audiences

Requirements summary:

  • 3+ years building machine learning models for business applications
  • PhD, or Master's with 6+ years applied research
  • Programming in Java, C++ or Python
  • Experience with neural deep learning methods

Tools & skills

Benefits mentioned

Health insuranceDentalVisionLife insuranceRetirement planPaid time offStock options
Source and dates

Source type not verified · amazon

Employer posting date
2026-04-21
First seen by our source
2026-10-10
Source record updated
2026-10-30

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentData & analytics
Experience3+ years
Hours per week40 (estimated)
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationDoctorate (preferred), Master’s degree (required)
Fields of studyengineering, computer science, machine learning, operations research, statistics
Perks mentionedGenerous paid time off, Retirement plan, Performance bonus, Stock or equity

Summary and details written by AI from the posting; the employer’s posting is the authority.

Amazon Development Centre Canada ULC

FieldValue
Open jobs on Jobsy155
Job description

Description

The Measurement, Ad Tech, and Data Science (MADS) team at Amazon Ads is at the forefront of developing innovative solutions that help tens of millions of advertisers understand the value of their ad spend while prioritizing customer privacy and measurement quality.

The Media Planning Science team, part of broader MADS team, develops and implements models that deliver insights and recommendations for strategic media planning and measurement across Amazon Advertising's product portfolio. Our mission is to help advertisers create and execute plans that meet their objectives while providing accurate measurement tools. We work on a multitude of problem statements that encompass Reach and Frequency, Budget Planning Optimization, and Recommendations. Our models leverage both heuristic and machine learning approaches including deep learning techniques, with insights delivered through agent-based tools and APIs that integrate seamlessly into user interfaces and programmatic systems to ensure optimal advertising outcomes.

As a Senior Applied Scientist on the team, you will be at the forefront of innovation, developing media planning solutions end-to-end from inception to production. You will set the technical vision and innovate on behalf of our customers. You will propose, design, analyze, and productionize models to provide novel measurement insights to our customers. You will partner with engineering to deploy these solutions into production. You will work with key stakeholders from various business teams to enable advertisers to act upon those metrics.

Key job responsibilities
* Lead the development of media planning models and solutions that address the full spectrum of an advertiser's investment, focusing on scalable and efficient methodologies.
* Collaborate closely with cross-functional teams including engineering, product management, and business teams to define and implement measurement solutions.
* Use state-of-the-art scientific technologies including Generative AI, Classical Machine Learning, Causal Inference, Natural Language Processing, and Computer Vision to develop state of the art models that measure the impact of media plans across different metrics.
* Drive experimentation and the continuous improvement of ML models through iterative development, testing, and optimization.
* Translate complex scientific challenges into clear and impactful solutions for business stakeholders.
* Mentor and guide junior scientists, fostering a collaborative and high-performing team culture.
* Foster collaborations between scientists to move faster, with broader impact.
* Regularly engage with the broader scientific community with presentations, publications, and patents.

A day in the life
You will solve real-world problems by analyzing large amounts of data, generate business insights and opportunities, design simulations and experiments, and develop ML/DL models. The team is driven by business needs, which requires collaboration with other Scientists, Engineers, and Product Managers across the advertising organization. You will prepare written and verbal documents to share insights to audiences of varying levels of technical sophistication.

About the team
We are a team of scientists across Applied, Research, and Data Science disciplines. You will work with colleagues with deep expertise in ML, DL, NLP, Gen AI, and Causal Inference with a diverse range of backgrounds. We partner closely with top-notch engineers, product managers, sales leaders, and other scientists with expertise in the ads industry and on building scalable modeling and software solutions.

Basic Qualifications

- 3+ years of building machine learning models for business application experience
- PhD, or Master's degree and 6+ years of applied research experience
- Experience programming in Java, C++, Python or related language
- Experience with neural deep learning methods and machine learning

Preferred Qualifications

- Experience with modeling tools such as R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy etc.
- Experience with large scale distributed systems such as Hadoop, Spark etc.
- PhD in engineering, technology, computer science, machine learning, robotics, operations research, statistics, mathematics or equivalent quantitative field

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. As a total compensation company, Amazon's package may include other elements such as sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon offers comprehensive benefits including health insurance (medical, dental, vision, prescription, basic life & AD&D insurance), Registered Retirement Savings Plan (RRSP), Deferred Profit Sharing Plan (DPSP), paid time off, and other resources to improve health and well-being. We thank all applicants for their interest, however only those interviewed will be advised as to hiring status.



CAN, ON, Toronto - 195,900.00 - 327,200.00 CAD annually

Similar jobs

  • Applied Scientist, Amazon Canada Technology, Amazon Canada

    Vancouver, BC +1
    Full Time

    Amazon.com.ca, ULC

    3+ YOECandidates need at least 3 years of experience building models for business applications, a background in computer science, machine learning or a related field, and programming skills in Java, C++ or Python. A PhD or Master's degree and Unix/Linux experience are preferred.

    Unix/Linux

  • Applied Scientist, AI Risk

    Toronto, ON
    On-siteFull Time

    Armilla AI

    Candidates need a Master's or PhD in computer science, machine learning, statistics or a related field, with applied AI/ML research experience. They also need strong Python skills, hands-on experience with deep learning frameworks, and familiarity with LLM evaluation and safety.

    Python, PyTorch, TensorFlow, JAX, NumPy, Pandas

  • Applied Scientist III, RBKS AI

    Toronto, ON
    Full Time

    Amazon Development Centre Canada ULC

    5+ YOECandidates need a PhD, or a Master's degree with 8+ years of applied research experience, plus 5+ years of hands-on computer vision and GenAI work in frameworks such as PyTorch or Jax. Strong Python skills and experience building multimodal LLMs and optimizing vision models are required.

    PyTorch, Jax, Python

    Applied Scientist, Ring AI

    Toronto, ON
    Full Time

    Amazon Development Centre Canada ULC

    4+ YOECandidates need a PhD, or a Master's degree and 4+ years of experience in computer science, computer engineering, machine learning or a related field. They must have built machine learning models and programmed in Java, C++ or Python. Experience with vision language models and LLMs is preferred.

    ML, Machine learning, Oracle Java, C++, Python, Recruitment

    Applied Scientist, Sales AI

    Toronto, ON
    Full Time

    Amazon Development Centre Canada ULC

    3+ YOECandidates need 3+ years building business models, and a PhD or a Master's with 4+ years of CS, ML or related experience. They should know Python, Java or C++, have expertise in NLP, LLMs, deep learning, reinforcement learning or recommender systems, and communicate complex findings to stakeholders.

    Python, Java, C++, Unix/Linux

    Applied Scientist, Sales AI

    Toronto, ON
    Full Time

    Amazon Development Centre Canada ULC

    3+ YOECandidates need 3+ years building business models, a PhD or a Master's with 4+ years in a related field, and programming in Python, Java or C++. Publications or patents in peer-reviewed venues are required, and experience with Unix/Linux and professional software development is preferred.

    Unix/Linux

  • Senior Applied Scientist

    Toronto, ON
    HybridFull Time

    5+ YOEYou are an experienced scientist who gets energy from turning hard business problems into working AI solutions; You are comfortable moving between research and delivery, and you can own a project from first idea to…

    Research, ML, Stay alert, Regulatory compliance, Communication skills, Computer science

  • Applied Scientist, Pro Growth

    Toronto, ON +1
    RemoteFull Time

    Thumbtack

    3+ YOECandidates need a master's degree in a quantitative field or equivalent industry experience, and 3+ years as an applied scientist or ML engineer. They also need strong machine learning, statistics and causal inference skills, plus Python, SQL and experience with distributed systems.

    Spark, Databricks, Python, SQL, OpenAI, Anthropic Claude

Locations & environments

Locations

All of CanadaRemote · Hybrid · On-site · Field

Pro tip: add remote jobs to widen your search.

Exclude locations

Workplace type

Company jobs in these results

These are this company’s jobs loaded in your current search. The company may have more openings.