Job Description
Department Overview
Artificial Intelligence Office is dedicated to leveraging data science and machine learning to provide solutions that enhance the various functions of Rakuten Travel. From product development to marketing, sales, advertising, and quality control, we use data-driven insights and predictive analytics to drive innovation and deliver measurable results.
Position
Why We Hire
We are currently seeking talented ML engineers to join our team and take on the responsibility of optimizing Rakuten Travel's marketing activities. In a rapidly changing online travel industry, it is crucial that we provide our customers with a more personalized and tailored experience. As such, we are constantly on the lookout for enthusiastic data scientists who can help us deliver the best possible value to our customers. Additionally, we offer a supportive environment where we analyze user logs and run various experiments to continuously improve our products through iterative development.
Position Details
Responsibilities
As a member of our team, you will work closely with business side to understand their challenges, collaborate with data engineers and front-end engineers, and deliver solutions that optimize Rakuten Travel's product offerings. Specifically, you will be responsible for projects such as item recommendation, user targeting, image optimization, and NLP tasks utilizing user reviews. In this role, you will have the following key responsibilities:
- Collaborate with business side to define project requirements.
- Develop detailed dev specifications.
- Build and deploy ML models via APIs.
- Design and execute experiments to validate solutions.
- Conduct AB tests and bandit optimizations to compare different approaches.
- Evaluate experimental results using statistical tests to measure impact and effectiveness.
Mandatory Qualifications
- Possess a passion and curiosity for the fields of machine learning and data science.
- Hold a master's degree or higher in machine learning, mathematics, or a related field, or have equivalent practical experience. Additionally, have experience in building machine learning/deep learning models, including those related to image processing, natural language processing, and other related areas.
(2-1) [Guideline] Expected to have knowledge in one or more of the following areas:
(2-2) Machine Learning: Foundational knowledge such as machine learning models like discriminative and generative models, inference algorithms like stochastic gradient descent, and asymptotic theories like asymptotic universality and asymptotic efficiency, as well as one of the following:
Counterfactual Machine Learning: Various estimators for off-policy learning. Sampling algorithms like Importance Sampling.
Attention/Transformer: Ability to explain the mathematics of Attention and Transformer. Model merging and MOE. Ability to explain each training step of large language models.
Optimal Transport: Understanding of basic concepts such as the Sinkhorn algorithm and Wasserstein distance.
(2-3) Mathematics: Linear algebra (diagonalization, Jordan canonical form), calculus (differentiation + Riemann integration), topology (topology, compactness, continuity), as well as one of the following:
Analysis: Measurable functions, integrable functions, definition of probability spaces. Probability process theory.
Geometry: Definitions of Riemannian manifolds, Lie groups, and statistical manifolds. Distances such as Gromov-Hausdorff distance.
- Have development experience using Python.
(3-1) [Guideline] Expected to have experience in one or more of the following:
(3-2) Development experience using PyTorch or TensorFlow.
(3-3) Execution of training using GPUs.
(3-4) Experience In Having Python Code Reviewed By Others.
- Possess expertise in experimental design for conducting A/B tests and similar experiments.
(4-1) [Guideline] Expected to have knowledge in one or more of the following:
(4-2) A/B testing based on statistical hypothesis testing. Minimum sample size design using non-central t-distribution.
(4-3) Bayesian A/B testing.
(4-4) Optimal arm decision algorithms.
(4-5) Interleaving algorithms.
- Able to work in a cross-functional team environment and collaborate effectively with other teams.
Desired Qualifications
- Proven experience in deploying machine learning systems to a production environment.
- Fluency in Japanese is considered a plus.
- A track record of publications in top international conferences, demonstrating expertise in the field of machine learning and data science.
engineer #AI #commerce #RakutenTravel #Python
-
Tokyo Rakuten ￥1,200,000 - ￥1,500,000 per yearWe are currently seeking talented ML engineers to join our team and take on the responsibility of optimizing Rakuten Travel's marketing activities.In this role, you will have the following key responsibilities:Collaborate with business side to define project requirements. · Devel ...
-
Tokyo RakutenWe are currently seeking talented ML engineers to join our team and take on the responsibility of optimizing Rakuten Travel's marketing activities. · Collaborate with business side to understand their challenges, · deliver solutions that optimize Rakuten Travel's product offering ...
-
Tokyo RakutenWe are looking for members who can be at the forefront of generative AI development and help shape the future of travel with innovative AI experiences. · ...
-
Tokyo RakutenThe Artificial Intelligence Office delivers solutions that optimize a wide range of products and business functions. · We collaborate with teams across product development, marketing, sales, advertising, · and quality management supporting their key projects with AI technologies ...
-
Tokyo Rakuten Full time￥2,000,000 - ￥2,800,000 per yearWe are looking for members who can be at the forefront of generative AI development and help shape the future of travel with innovative AI experiences. · ...
-
Tokyo アビームコンサルティング(株)Artificial Intelligence Leapセクターは「テクノロジーとイノベーションで社会に貢献」を目的として、クライアントが直面する前例のない社会課題・経営課題を、テクノロジーやAIによって解決するコンサルティングサービスを提供しています。具体的には、データドリブン・トランスフォーメーションの実現に必要となる構想策定、AI技術導入、組織設計・人材育成、基盤構築・運用、およびデータマネジメントまでをワンストップで提供しています。 · ...
-
Tokyo ZendeskZendeskは、あらゆる企業規模やニーズに対応したカスタマーサポートソフトウェアを提供しています。私たちはハイパフォーマンス カルチャーを目指しており、チームメイトに対して組織に馴染むのはもちろん、積極的に貢献することを望みます。 · ...
-
AI Engineer
2週間前
Tokyo, Japan Gigantes GroupWe are seeking a talented and innovative AI Engineer to join our dynamic team. As an AI Engineer, you will play a critical role in the design and development of cutting-edge artificial intelligence systems. · ...
-
Tokyo, Japan AppierAbout Appier · Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. · We are seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team, · a leading developer of core machine l ...
-
Tokyo Appier ￥10,000,000 - ￥20,000,000 per year+About Appier: software-as-a-service company using AI to power business decision-making. Founded in 2012 with a vision of democratizing AI. · +Design, implement and productionize state-of-the-art ML models to improve campaign outcomes. · Analyze large-scale user and auction data ...
-
Tokyo, Japan Appier $12,000 - $20,000 per yearAppier is seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team. · ...
-
Research Engineer
3週間前
Tokyo Google DeepMindWe are seeking a highly motivated and innovative Research Engineer to join our team in Tokyo, focused on building state-of-the-art multimodal embodied agents. · Agent Architecture & Control: Develop and optimize state-of-the-art agent architectures that seamlessly integrate mult ...
-
Tokyo Telexistence Part timeTX accepts master's and doctoral students in related major areas as interns throughout the year. · ...
-
Tokyo AppierJob summary · About Appier: A software-as-a-service (SaaS) company using AI to power business decision-making. · About this role: · A Senior Machine Learning Scientist will join our Advertising Cloud Optimization team leading core machine learning algorithms driving campaign effi ...
-
Tokyo, Japan DeepMindWe are seeking a highly motivated and innovative Research Engineer to join our team in Tokyo, · focused on building state-of-the-art multimodal embodied agents.You will work with researchers and engineers to develop general-purpose agents capable of perceiving, · reasoning, plann ...
-
Tokyo, Japan Appier $100,000 - $120,000 per yearAbout Appier is a software-as-a-service (SaaS) 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. · ...
-
Tokyo GoogleWe deliver enterprise-grade solutions that leverage Google's cutting-edge technology, · and tools that help developers build more sustainably. · ...
-
Tokyo, Japan GoogleWe're looking for engineers who bring fresh ideas from all areas including information retrieval distributed computing large scale system design networking and data storage security artificial intelligence natural language processing UI design and mobile. · With your technical ex ...
-
Greater Tokyo Area Randstad Japan ￥10,000,000 - ￥15,000,000 per year+Job summary · Machine learning engineer position at one of the biggest international companies. · Collaborate with applied scientists to build Generative AI solutions. · Use Foundation Models for business needs. · ...
-
Tokyo, Tokyo TraderPalThis is a full-time hybrid role for a Head of Artificial Intelligence located in Tokyo with some flexibility for remote work. · ...
-
Tokyo GoogleGoogle is looking for Senior Software Engineers to develop the next-generation technologies that change how billions of users connect, explore and interact with information and one another. · ...
