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September 28, 2026

Software Development Engineer II (EC2 Core Platform)

Mid

132,400 - 132,400 USD/yr

Seattle, WA

Quick Facts

Software Development Engineer II focused on EC2 Core Platform systems.

Description

Design, build, and operate scalable, secure, and reliable software services as a Software Development Engineer II. You own components and features end-to-end—from design and implementation to testing, deployment, and operations—while helping raise the technical bar through high-quality engineering.

Responsibilities

  • Design, develop, test, deploy, and maintain scalable, secure, and reliable software systems and services
  • Own delivery of medium-to-large features or components by turning ambiguous problems into well-defined tasks
  • Write maintainable, well-tested code and clear technical documentation/design docs
  • Contribute to design and code reviews to improve quality and consistency
  • Operate what you build: monitor service health, respond to operational events, participate in on-call, and drive down operational load through automation and root-cause fixes
  • Collaborate with product managers, engineers, and partner teams to clarify requirements and manage cross-team dependencies
  • Improve engineering practices (CI/CD, testing, observability, performance, security) and reduce technical debt
  • Mentor junior engineers and contribute to an inclusive team culture

Requirements

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

Benefits

  • Sign-on payments and restricted stock units (RSUs)
  • Health insurance (medical, dental, vision, prescription) and Basic Life & AD&D insurance; option for Supplemental life
  • EAP and Mental Health Support; Medical Advice Line
  • Flexible Spending Accounts
  • Adoption and Surrogacy Reimbursement coverage
  • 401(k) matching
  • Paid time off and parental leave
  • Base salary range: $143,700–$194,400 USD annually (final compensation depends on experience, qualifications, and location)

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