Hiring.Camp

Senior Machine Learning Scientist (Ad Cloud, RTB) - Tokyo,Japan

Appier

·

May 8, 2026

Location
Tokyo, Japan
Department
Scientist
Seniority
Senior
Education
PhD
Source
Greenhouse

Description

About Appier 

Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information.

Open to overseas candidates/Visa Support

This position is based in Tokyo, Japan. For international candidates, Appier's Japan office provides visa sponsorship to ensure a smooth transition to Japan.

The Impact You’ll Make at Appier

Appier is seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team, which leads the development of core machine learning algorithms driving campaign efficiency and advertiser ROI. Our programmatic advertising platform operates at a massive scale, handling over multi millions queries per second (QPS), all powered by our proprietary deep learning models for bidding, pricing, and personalized content delivery.

In this role, you’ll further improve bidding strategies, audience targeting and creative optimization by deep-diving RTB ecosystem including SSP/DSP/MMP to design the strategy, enhancing user signals or applying advanced deep learning model

What You’ll Work On

  • Deep-dive the RTB ecosystem to identify the potential direction and decide the bidding strategy
  • Leverage advance deep learning model to improve bidding/audience model performance
  • Co-work with teams to improve real-time/long-term user interaction signal collection and to further improve model performance

What We’re Looking For

  • Master’s or PhD’s degree in Computer Science, Machine Learning, Statistics, or related field.
  • 3+ years of industry experience on RTB ecosystem
  • Proficiency in Python and SQL experience with modern ML frameworks and deep learning model (PyTorch, TensorFlow, etc.).
  • Strong ownership and collaboration skills.

#LI-AK1

Skills

PythonSQLMachine LearningDeep LearningTensorFlowPyTorch

Similar Jobs

30

Senior Machine Learning Engineer II (EO/IR Image Analysis)

Rocket Lab Corporation·Littleton, CO +1

Today

Senior Machine Learning Engineer, Drive

DoorDash USA·San Francisco, CA

Today

Senior Software Engineer, Machine Learning

DoorDash USA·San Francisco, CA·Hybrid, Onsite

Today

Senior Machine Learning Engineer, New Verticals Agentic Foundations

DoorDash USA·San Francisco, CA·Remote, Hybrid, Onsite

Today

Senior Machine Learning Engineer - Perception

Picklerobot·Charlestown, MA·Hybrid

Today

Senior Manager, Product Management - Machine Learning and AI

Capitalone·McLean, VA +2

1d ago

Senior Machine Learning Engineer

Td·310, 320 Front Street West Corporate·Onsite

1d ago

Lead Engineer, Senior-Machine Learning, embedded, C++

Qualcomm·Hyderabad, TS

1d ago

Senior / Staff Machine Learning Engineer - 3D Sensor Simulation

Zoox·Foster City, CA +1·Hybrid

1d ago

Senior Machine Learning Engineer

Checkr·Denver, Colorado +1

1d ago

Senior Associate-Applied Artificial Intelligence / Machine Learning

JPMorgan Chase·Palo Alto, CA

1d ago

Senior Associate-Applied Artificial Intelligence / Machine Learning

JP Morgan Chase·Palo Alto, CA

1d ago

Senior Machine Learning Platform Engineer

Toyota·Plano North, US

2d ago

AI / Machine Learning Engineer - Senior | TS/SCI w/ Poly

Falls Technology·Chantilly, Virginia

2d ago

Senior Engineer, Machine Learning/AI Ops

Nationaldebtrelief·US·Remote

2d ago

Associate or Senior Editor, Nature Communications (Machine Learning)

Springernature·Shanghai [Changle Rd], China +4·Hybrid

2d ago

Senior Data Scientist - AI & Machine Learning

Roche·Welwyn, UK

2d ago

Senior Machine Learning Engineer II (EO/IR Image Analysis)

Rocket Lab Corporation·Tucson, AZ +1

2d ago

Senior Machine Learning Engineer II (EO/IR Image Analysis)

Rocket Lab Corporation·Long Beach, CA +1

2d ago

Senior Machine Learning Engineer II (EO/IR Image Analysis)

Rocket Lab Corporation·Chantilly, VA +1

2d ago

Senior Machine Learning Engineer

Encora·Colombia

4d ago

Senior Machine Learning Engineer

Care Access·USA Remote·Remote

4d ago

Senior Machine Learning Engineer (Large Systems)

Graphcore·Cambridge, UK +2·Remote, Hybrid

4d ago

Senior Machine Learning Engineer (Large Systems)

Graphcore·London, UK +2·Remote, Hybrid

4d ago

Senior Machine Learning Engineer (Large Systems)

Graphcore·Bristol, UK +2·Remote, Hybrid

4d ago

#7 - Senior Machine Learning Engineer - Databricks

Muttdata·Ciudad de Mexico·Remote

4d ago

Senior Staff Machine Learning Engineer- Voice AI

ServiceNow·Hyderabad, India

4d ago

Senior Staff Machine Learning Engineer

ServiceNow·Hyderabad, India·Remote, Onsite

5d ago

Sr Machine Learning Engineer

Disney·USA - FL - Kirkman Point 1, US +3·Onsite

5d ago

Senior Machine Learning Research Scientist

Pfizer·USA - MA - Cambridge Kendall Sq. 610 Main, US

5d ago