Software Development Engineer II, Leo Commerce Financial Systems and Data (Bestia, Triton, Lucid)

Are you passionate about building software that makes a meaningful difference for millions of customers? We are looking for a Software Development Engineer II to join our team at Amazon and help design, build, and operate systems that solve real-world problems at scale. In this role, you will own features end-to-end—from understanding customer needs through design, implementation, testing, deployment, and ongoing operations. You will write high-quality, maintainable code while collaborating with talented engineers and stakeholders to deliver solutions that balance technical excellence with customer value. If you are a self-starter who thrives on tackling complex problems with simple, well-crafted solutions, we would love to hear from you.

Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Key job responsibilities
- Design and implement software solutions across the full development lifecycle, including scoping, architecture, coding, testing, deployment, and maintenance, ensuring high standards of quality and maintainability.
- Collaborate with customers, stakeholders, and cross-functional peers to understand business requirements and translate them into reliable, scalable systems that deliver measurable customer impact.
- Identify opportunities to improve existing systems through refactoring, performance optimization, and operational improvements, while balancing short-term priorities with long-term technical goals.
- Mentor and coach fellow engineers through code reviews and technical discussions, raising the bar on code quality and engineering practices across the team.
- Evaluate and integrate generative AI tools and modern technologies where appropriate to improve productivity, solution quality, and team efficiency.

A day in the life
You will start your day reviewing operational metrics and addressing any issues from overnight deployments. From there, you might jump into a design discussion for an upcoming feature, pair with a teammate on a tricky implementation challenge, or lead a code review session. You will regularly connect with product and engineering partners to refine requirements and ensure your work aligns with customer needs. Expect a mix of heads-down coding, collaborative problem-solving, and mentoring conversations that keep your day engaging and impactful.

About the team
Our team is focused on building and operating software that directly impacts Amazon's customers at scale. We value collaboration, technical rigor, and a commitment to continuous improvement. Every engineer on the team has a voice in shaping our technical direction, and we invest in each other's growth through mentorship and knowledge sharing. We are excited about the road ahead and are looking for engineers who want to help us push boundaries, simplify complex systems, and deliver great experiences for our customers.

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, Redmond - 143,700.00 - 194,400.00 USD annually