Sr. Software Development Engineer, Device Software and Services (DS2)

The Cloud Connectivity and Management Services (C2MS) organization, within Device Software and Services (DS2), owns the end-to-end solutions to connect, communicate, keep up to date, and manage all Amazon-powered devices through the Amazon Cloud. Our services handle persistent device-to-cloud connectivity, bidirectional Device Messaging, Over-the-Air software updates, and Remote Settings Management at a scale of hundreds of millions of devices across multiple regions.

Being part of the Device Messaging team means that the software we build is used by every person you know who owns an Amazon Device, and by dozens of external partners that send messages to our devices. The scale and reach we present at Amazon is a unique opportunity to directly influence the experience of millions of customers around the world. We own the complete end-to-end Device Messaging experience for all Amazon devices. We enable guaranteed delivery of push notifications, synchronous request-response messaging, and device-to-cloud communication for dozens of internal 1P teams (Echo, Fire TV, Kindle, Tablets), platform teams, and hundreds of third-party applications.

As a Senior SDE on this team, you will be a technical leader who defines the ideal customer experience for users of our Device Messaging services. You will drive innovation in messaging solutions, and define the end-to-end experience of our customers, including observability, data analytics, message delivery insights, and customer action analytics to make our platform best-in-class. You will architect complex distributed systems, set technical direction, and establish architectural principles for the team. You will partner with engineering leaders and product managers to shape the roadmap. You will be a force multiplier, mentoring engineers, raising the technical bar, and fostering a culture of engineering and operational excellence. Additionally, you will consult across other C2MS teams, including Remote Settings and Over-the-Air Updates, to help solve complex cross-cutting technical challenges.

• Key job responsibilities
• - Architect and deliver complex software systems that align with Amazon's engineering standards and business objectives.
• - Drive technical decisions and design reviews that impact multiple services or teams within the organization.
• - Lead development of critical features while mentoring junior engineers in technical best practices and engineering principles.
• - Establish and maintain robust monitoring, metrics, and operational excellence practices for high-availability systems.
• - Define and enforce code quality standards, testing strategies, and documentation requirements across projects.
• - Proactively identify and resolve complex technical challenges while implementing preventive measures.
• - Participate in building high-performing teams through technical interviews and making data-driven hiring recommendations.

• A day in the life
• You might start your morning reviewing a technical design document from a teammate, providing feedback that strengthens the approach before a broader design review. Later, you dive into code, perhaps refactoring a critical component to improve extensibility or prototyping an interface that defines boundaries between services. After lunch, you join a cross-team discussion to resolve a dependency conflict, building consensus on a path that balances both teams' needs. You wrap up by pairing with a junior engineer on a tricky debugging session, turning it into a coaching moment.

• About the team
• We are building teams with Amazon DNA in Guadalajara, Mexico: two-pizza teams who are the single-threaded owners of their end-to-end experience. You will be the only team responsible for defining all architectural decisions, implementation, testing, and operational excellence for Amazon Device Messaging. We are looking for customer-obsessed engineers who are passionate about innovating on behalf of customers, demonstrate a high degree of technical ownership, and want to make history. It is still Day 1 in the Devices business, and we are seeking a creative problem-solver with exceptional judgment and the ability to deliver results under ambiguous circumstances and tight timelines.

Basic qualifications

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

Preferred qualifications

• - 8+ 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

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