Senior Software Development Engineer, Customer 360

Amazon is hiring a Senior Software Development Engineer, Customer 360 in Seattle, United States. It pays $168k-$227k a year and Level rates it ; you can apply on Amazon.

Level's read on this job

Works on AI ●●●○ is how Level rates this software engineer role: the daily work is on AI products, without building the model.
The listed pay starts close to the typical software engineer posting on Level.
Tools and skills the posting cites include Generative AI, LLMs and software development.
Level classifies it as a senior role.
Level lists 20,000+ other open roles at Amazon.

AI in this role

Develop a unified customer personalization service leveraging advanced AI and machine learning techniques.

Generative AILLMs

software-developmentsystem-architecturepersonalization

With the rise of Generative AI and LLMs, customer expectations for deeply personalized experiences have increased. To meet this challenge, we're seeking a Software Development Engineer to help develop a unified customer personalization service supporting Amazon's diverse range of businesses and offerings. This initiative will revolutionize how we understand and serve our customers, leveraging advanced AI and machine learning techniques to uncover insights from seemingly unrelated interactions across our services. By creating a seamless, personalized experience that adapts in real-time to customer preferences and behaviors, we aim to set new industry standards for customer-centric, AI-powered personalization. As a leader in this initiative, you'll drive technological breakthroughs that will directly enhance millions of customer interactions daily.

Basic qualifications

- 5+ years of non-internship professional software development experience
- 5+ years of programming with at least one software programming language experience
- 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience as a mentor, tech lead or leading an engineering team

Preferred qualifications

- 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Bachelor's degree in computer science or equivalent

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. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.

USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

How we rate this

Senior Software Development Engineer, Customer 360 at Amazon rates 70 out of 100 for how much of the daily work is AI. That makes it Works on AI (AI Level 3 of 4). The level is about AI in the job, not seniority.

Classification

Works on AI. The daily work is on AI products, without building the model.

●●●● 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

Senior Software Development Engineer, Customer 360 is an open job at Amazon.
Level rates this role AI Level 3 of 4: Works on AI.
The listed salary is $168k-$227k a year.
The role is based in US, WA, Seattle.
The job was posted on September 1, 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

Software DevelopmentSystem ArchitecturePersonalizationGenerative AILLMs

Also common in software engineer jobs at this level

Python AWS Java Kubernetes AI agents TypeScript

Pay

This job starts at: $168k
Typical software engineer job: $167k

This posting starts close to the typical software engineer job. See software engineer jobs

Questions you could be asked

Tell me about a project where software development was part of your work. What did you do?
Tell me about a project where system architecture was part of your work. What did you do?
Tell me about a project where personalization was part of your work. What did you do?
What's a project where you used Generative AI hands-on?
Walk me through how you've used LLMs in your day-to-day work.

Adapt your resume

List these exact terms on your resume: Software Development, System Architecture, Personalization, Generative AI, and LLMs. 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.
Show where AI is part of your daily process, not a one-off project. This role expects it to be a running habit.

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