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September 28, 2026
Software Development Engineer II (EC2 Core Platform)
Mid
132,400 - 132,400 USD/yr
Seattle, WA
Apply now
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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