Software Development Engineer, Mobile App Foundations, BuilderWorks

Amazon is hiring a Software Development Engineer, Mobile App Foundations, BuilderWorks in Seattle, United States. It pays $144k-$194k a year and Level rates it ; you can apply on Amazon.

Level's read on this job

On Level's scale, this software engineer role is Little AI ●○○○: aI is not part of the work.
Level classes it as a mid-level role.
Amazon has 21,000+ other open roles on Level.
Posted in the last few days.

AI in this role

Ever wonder what it takes to keep one of the world's most-used mobile apps fast, reliable, and evolving? We're looking for a Software Development Engineer to join Mobile App Foundations (MAF) -- the team that builds the platform layer powering the Amazon Mobile Shopping app and beyond. Our systems serve hundreds of millions of customers daily, processing billions of events across iOS and Android. You'll tackle problems at the intersection of mobile engineering, distributed systems, and large-scale platform modernization -- where your decisions have org-wide reach and your code ships to hundreds of millions of devices.

Key job responsibilities
- Build and evolve mobile platform infrastructure used by dozens of engineering teams across Amazon Mobile
- Design systems that operate at massive scale -- billions of daily events across iOS and Android
- Drive migration of mobile services to modern architectures as part of a multi-year platform transformation
- Develop client-side frameworks for runtime configuration, feature management, and progressive rollout mechanisms
- Build instrumentation and measurement systems that help teams understand and improve the customer experience
- Contribute to production resiliency -- on-call, incident response, emergency configuration systems, and system reliability

Basic qualifications

- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- 1+ years of software development engineer or related occupational experience
- 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience
- 1+ years of Object Oriented Design experience
- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
- Experience programming with at least one software programming language

Preferred qualifications

- 3+ 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 - 143,700.00 - 194,400.00 USD annually

How we rate this

Software Development Engineer, Mobile App Foundations, BuilderWorks at Amazon rates 31 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

●●●● 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

Software Development Engineer, Mobile App Foundations, BuilderWorks is an open job at Amazon.
Level rates this role AI Level 1 of 4: Little AI.
The listed salary is $144k-$194k a year.
The role is based in US, WA, Seattle.
The job was posted on October 29, 2026.
Seniority: mid.
Applications are handled by Amazon. Apply on Amazon