Amazon

Software Development Engineer II, Device OS

Amazon
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4 days ago
Bellevue, WA, USAMid Level
H1B sponsor

Base Salary

$144k - $194k/yr

Responsibilities

  • Design, build, test, and operate scalable backend services and libraries for AI- and LLM-driven features.
  • Integrate and harden model providers, tools, and agent capabilities behind clean, versioned interfaces.
  • Build agent execution, evaluation, regression, and quality tooling to measure and gate AI behavior.
  • Develop proactive, multimodal, context-aware experiences across Alexa, Fire TV, mobile, wearable, and web surfaces.
  • Apply reliability, observability, cost, latency, security-conscious, and fail-closed design principles.
  • Use AI coding assistants and agentic workflows while critically reviewing generated code and maintaining engineering quality.
  • Collaborate with internal teams and product partners, write technical designs, and mentor other engineers.

Requirements

  • 3+ years of non-internship professional software development experience.
  • 2+ years of non-internship experience designing or architecting new and existing systems, including design patterns, reliability, and scaling.
  • 1+ years of software development engineer or related occupational experience.
  • 1+ years of experience developing large-scale, multi-tiered, multi-threaded, embedded, or distributed software applications, tools, systems, or services using C#, C++, Java, or Perl.
  • 1+ years of Object Oriented Design experience.
  • Bachelor’s degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field.
  • Experience programming in at least one software programming language.
  • Preferred: 3+ years of full software development lifecycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
  • Preferred: Bachelor’s degree in computer science or equivalent.

Benefits

  • Base salary range of $143,700.00–$194,400.00 annually, plus potential sign-on payments and restricted stock units.
  • Health insurance including medical, dental, vision, prescription, life and AD&D insurance, an employee assistance program, mental health support, medical advice line, and flexible spending accounts.
  • 401(k) matching, paid time off, parental leave, and adoption and surrogacy reimbursement coverage.
  • The role is based in Irvine, California.

Tech Stack

C#C++JavaPerl
Amazon

About Amazon

10,000+ employees

Amazon builds and operates a global e-commerce marketplace, logistics network, and consumer devices, and provides cloud computing via AWS for businesses and developers. The company earns revenue from online retail, third‑party seller services, subscriptions like Prime, advertising, and AWS usage. Founded in 1994 and headquartered in Seattle, it is publicly traded on NASDAQ (AMZN) and serves customers in dozens of countries.

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