Software Dev Engineer

Overview

Amazon Lab
126 is an inventive research and development company that designs and engineers high-profile consumer electronics. Lab
126 began in 2004 as a subsidiary of , Inc., originally creating the best-selling Kindle family of products. Since then, we have produced popular devices like Fire tablets, Fire TV, Amazon Echo and Amazon Echo Show. The Amazon Devices group delivers delightfully unique Amazon experiences, giving customers instant access to everything, digital or physical.

Design, develop, and optimize the cellular telephony framework and services layer on Android-based devices, delivering reliable voice, data, messaging, and connectivity experiences. This role owns the application processor side of the mobile telephony stack, integrating carrier requirements, platform telephony APIs, and cellular service features across various devices.

• Architect and implement core telephony framework components including calling, data connectivity, messaging and advanced features such as Wi‑Fi calling, eSIM provisioning and 5G integration.
• Optimize telephony stack performance for call setup latency, network registration and power efficiency across diverse carrier networks and device configurations.
• Partner with product management to translate customer experience goals into technical designs and implementation.
• Collaborate cross‑functionally with modem/baseband, OS platform, QA/certification and cloud services teams to deliver differentiated telephony features end‑to‑end.
• Lead and participate in design reviews, taking ownership of critical architectural decisions and driving resolution of complex technical issues.

We own the cellular services on various devices, building the software that connects people through voice, data and messaging every day. We work closely with OS platform teams, QA/certification, cloud services and product management to deliver reliable connectivity experiences across diverse carrier networks and device configurations. We take ownership of the performance and reliability that users depend on for their most fundamental connectivity experiences.

• 3+ years of non‑internship professional software development experience.
• 3+ years of Android development experience.
• Experience building complex software systems that have been successfully delivered to customers.
• Knowledge of professional software engineering best practices for the full software development life cycle, including coding standards, software architectures, code reviews, source control management, continuous deployments, testing and operational excellence.
• Bachelor's degree or equivalent.

• Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing and operations.
• Hands‑on experience developing telephony and cellular services software, with deep understanding of cellular stacks (e.g., IMS, MMTel, RCS), device connectivity features and data services.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability or other legally protected status.

Los Angeles County applicants:
Job duties for this position include working safely and cooperatively with other employees, supervisors and staff; adhering to standards of excellence despite stressful conditions; communicating effectively and respectfully with employees, supervisors and staff to ensure exceptional customer service; and following all federal, state and local laws and Company policies. Criminal history may have a direct, adverse and negative relationship with some of the material job duties of this position – such as the duties and responsibilities listed above – as well as the ability to adhere to company policies, exercise sound judgment, manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and Company reputation.

Pursuant to the Los Angeles County Fair Chance Ordinance we will consider qualified…