Applied Scientist, Amazon Compliance and Safety Services

Amazon is hiring an Applied Scientist, Amazon Compliance and Safety Services in Bucharest, Romania. Level rates it ; you can apply on Amazon.

Level's read on this job

Level rates this applied scientist role Builds AI ●●●●: the job is building AI systems.
Tools and skills the posting cites include PyTorch, scikit-learn and Python.
Level classifies it as a senior role.
Level lists 20,000+ other open roles at Amazon.

AI in this role

Applied Scientist needed to research and develop advanced machine learning and NLP solutions for product compliance and safety.

PyTorchscikit-learnPythonTensorFlowLLMs

nlpmachine-learningnatural-language-processingmultimodal-modelingapplied-sciencealgorithm-design

Amazon's Compliance and Safety Services (CoSS) Team is looking for a smart and creative Applied Scientist to apply and extend state-of-the-art research in NLP, multi-modal modeling, domain adaptation, continuous learning and large language model to join the Applied Science team. At Amazon, we are working to be the most customer-centric company on earth. Millions of customers trust us to ensure a safe shopping experience. This is an exciting and challenging position to drive research that will shape new ML solutions for product compliance and safety around the globe in order to achieve best-in-class, company-wide standards around product assurance.

You will research on large amounts of tabular, textual, and product image data from product detail pages, selling partner details and customer feedback, evaluate state-of-the-art algorithms and frameworks, and develop new algorithms to improve safety and compliance mechanisms. You will partner with engineers, technical program managers and product managers to design new ML solutions implemented across the entire Amazon product catalog.

Key job responsibilities
As an Applied Scientist on our team, you will:
- Research and Evaluate state-of-the-art algorithms in NLP, multi-modal modeling, domain adaptation, continuous learning and large language model.
- Design new algorithms that improve on the state-of-the-art to drive business impact, such as synthetic data generation, active learning, grounding LLMs for business use cases
- Design and plan collection of new labels and audit mechanisms to develop better approaches that will further improve product assurance and customer trust.
- Analyze and convey results to stakeholders and contribute to the research and product roadmap.
- Collaborate with other scientists, engineers, product managers, and business teams to creatively solve problems, measure and estimate risks, and constructively critique peer research
- Consult with engineering teams to design data and modeling pipelines which successfully interface with new and existing software
- Publish research publications at internal and external venues.

About the team
The science team delivers custom state-of-the-art algorithms for image and document understanding. The team specializes in developing machine learning solutions to advance compliance capabilities. Their research contributions span multiple domains including multi-modal modeling, unstructured data matching, text extraction from visual documents, and anomaly detection, with findings regularly published in academic venues.

Basic qualifications

- Experience programming in Java, C++, Python or related language
- Currently has, or is in the process of obtaining, a Bachelor's degree or above in Engineering, Computer Science, Machine Learning, Statistics, Physics, or related fields
- Experience building machine learning models or developing algorithms for business application

Preferred qualifications

- Experience in professional software development
- Experience implementing algorithms using both toolkits and self-developed code
- Experience in patents or publications at top-tier peer-reviewed conferences or journals
- Experience working cross functionally across several teams
- Experience with modeling tools such as scikit-learn, PyTorch, numpy, scipy etc.

Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https://www.amazon.jobs/en/privacy_page) to know more about how we collect, use and transfer the personal data of our candidates.

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.

How we rate this

Applied Scientist, Amazon Compliance and Safety Services at Amazon rates 100 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.

Classification

Builds AI. The job is building AI systems.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Applied Scientist, Amazon Compliance and Safety Services is an open job at Amazon.
Level rates this role AI Level 4 of 4: Builds AI.
The role is based in RO, Bucharest.
The job was posted on September 23, 2026.
Seniority: senior.
Applications are handled by Amazon. Apply on Amazon

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

NLPMachine learningNatural Language ProcessingMultimodal ModelingApplied ScienceAlgorithm DesignPyTorchscikit-learn

Also common in applied scientist jobs at this level

Deep learning Generative AI Reinforcement learning TensorFlow Spark AWS

Pay

Typical applied scientist job: $169k

This posting doesn't list pay. Use the typical applied scientist figure when pay comes up. See applied scientist jobs

Questions you could be asked

What NLP problem have you worked on, and how did you measure whether it actually worked?
Tell me about a project where machine learning was part of your work. What did you do?
Tell me about a project where natural language processing was part of your work. What did you do?
Tell me about a project where multimodal modeling was part of your work. What did you do?
Tell me about a project where applied science was part of your work. What did you do?

Adapt your resume

List these exact terms on your resume: NLP, Machine learning, Natural Language Processing, Multimodal Modeling, and Applied Science. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.

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