Software Dev Engineer

Amazon • Sunnyvale, CA

2d

About The Position

Amazon Lab126 is an inventive research and development company that designs and engineers high-profile consumer electronics. Lab126 began in 2004 as a subsidiary of Amazon.com, 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.

Key job responsibilities
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.

About the team
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.

Requirements

• 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 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

Nice To Haves

• Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
• Experience solving problems with technology in the Telecommunications industry

Responsibilities

• Design, develop, and optimize the cellular telephony framework and services layer on Android-based devices, delivering reliable voice, data, messaging, and connectivity experiences.
• 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.

Benefits

• 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
• parental leave

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level