Senior SDE III: Lead Scale-Driven Architecture & Mentorship

Amazon Inc.; Boston (MA); On-site; USD 168,000 - 227,000; Full time

Benefits offered by this job

Health insurance

RSUs

401(k) matching

Paid time off

Parental leave

Job summary

Amazon is seeking a Software Development Engineer III to lead complex, large-scale software projects that impact millions of customers. You will design and build systems balancing performance and long-term maintainability, mentoring others and guiding architecture across teams.

You will collaborate with product managers and engineers, drive engineering best practices, and adopt new technologies to simplify systems and accelerate delivery. The role emphasizes ownership and end-to-end delivery.

Qualifications

• 5+ years of non-internship professional software development experience.
• 5+ years of experience programming with at least one language.
• 5+ years leading design/architecture of new and existing systems.
• Experience as a mentor, tech lead or leading an engineering team.

Responsibilities

• Lead design, implementation, and delivery of multi-engineer software projects with scalable, secure solutions.
• Define and drive engineering best practices across the team for code quality and reliability.
• Collaborate with product managers, TPMs, and engineers to align requirements and deliver integrated solutions.
• Mentor and coach engineers on system design, coding practices, and career development.
• Evaluate and integrate new technologies and AI tools to reduce complexity and accelerate delivery.

Skills

5+ years non-internship software dev

5+ years programming

5+ years of design/architecture

Mentor / tech lead

Education

Bachelor's degree in computer science or equivalent

Job description

Amazon is seeking a Software Development Engineer III to lead complex, large-scale software projects that impact millions of customers. You will design and build systems balancing performance and long-term maintainability, mentoring others and guiding architecture across teams.

You will collaborate with product managers and engineers, drive engineering best practices, and adopt new technologies to simplify systems and accelerate delivery. The role emphasizes ownership and end-to-end delivery.