Applied Scientist II, Amazon Vertical Search Relevance India (Learning to Rank), Bengaluru
Job Description
Amazon Search’s Vertical Search Relevance team in India is hiring an Applied Scientist II in Bengaluru. The team’s aim is to help Amazon launch search in new countries, categories and product lines faster and with better results from day one. It invents signals and algorithms for training machine-learned ranking models and improves the framework used to train and evaluate every new relevance model offline.
At a glance
- Role: Applied Scientist II, Vertical Search Relevance
- Posted: 2 June 2026
- Focus: Product search ranking, learning to rank, offline evaluation, A/B testing
- Location: Bengaluru, Karnataka, India
- Job ID: 10436631
- Apply: open until filled (re-checked 13 October 2026)
About the search relevance role
- Build machine learning models for product search
- Develop new ranking features and techniques drawing on recent academic research
- Propose and test hypotheses that steer the product roadmap
- Write production code serving billions of search requests, with low-latency predictions
- Own the cycle from design through A/B testing (including reading the results) to deployment
What Amazon is looking for
- At least 3 years of building models for business applications
- A master’s degree or PhD
- Programming in Java, C++, Python or a related language
- Experience in algorithms and data structures, parsing, numerical optimisation, data mining, or parallel, distributed or high-performance computing
Nice to have
- Large-scale distributed systems such as Hadoop and Spark
- Strong fundamentals across ML approaches, problem solving and algorithm design
- Interest in researching and building new technology with commercial impact
Pay and location
Amazon’s posting does not state a salary; pay is discussed during the hiring process. The role is based in Bengaluru, India.
How to apply
Apply through the official Amazon job posting. Amazon’s posting does not give a closing date, so the role is open until filled; ResearchJobs.in will re-check this listing on 13 October 2026. Amazon lists the minimum and preferred qualifications on the posting; read both before applying. Check the posting for location and work-authorisation details before you apply.
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Hiring institution: Amazon
Official advertisement: www.amazon.jobs
How to prepare for this application
- Ranking basics: know pointwise, pairwise and listwise losses and when each helps.
- Cold start: think about ranking in a new marketplace with little click data.
- Offline vs online: be ready to explain why offline metrics and A/B results can disagree.
- Production code: the role writes code that serves live traffic; show you can.
- Leadership Principles: Amazon interviews lean on them; prepare two or three STAR stories for each.
About Amazon in India
Amazon runs large science and engineering teams in India, including in Bengaluru, Hyderabad, Chennai, Pune and Gurugram. Applied scientists and data scientists work on machine learning problems across retail, logistics, advertising, devices, payments and cloud services.
