Software Development Engineer II, Alexa Connectivity Devices

Description
We are building a new device software team in Bangalore to power the next generation of Amazon connected devices. As a wireless software engineer on our new Bangalore device software team, you will bring up new wireless capabilities and build new features. You will collaborate with stakeholders across Alexa Devices and Alexa Cloud teams to define roadmaps, plan requirements, make prioritization trade-offs, and feature development. You will partner with principal engineers to brainstorm solutions, solve problems, and deliver features.
Key job responsibilities Integrate, optimize, and maintain Wi-Fi and BLE protocol stacks on device platforms
Debug and resolve wireless connectivity issues: throughput, range, coexistence, roaming
Work with antenna engineers on matching network tuning and radiation pattern optimization
Implement and test mesh networking protocols (BLE Mesh, Wi-Fi EasyMesh)
Optimize wireless power consumption through duty cycling, listen intervals, and wake patterns
Develop RF test automation scripts for production line calibration and testing
Support regulatory certification testing (FCC, CE, BIS, TELEC) for wireless subsystems
A day in the life As a member of the team, you will serve as the technical leader for device software development and operations. You will collaborate with stakeholders across Alexa Devices and Alexa Cloud teams to define roadmaps, plan requirements, make prioritization trade-offs, and feature development. You will partner with principal engineers to brainstorm solutions, solve problems, and deliver features.
About the team The Alexa Connected Devices team delivers low-latency, low-cost, highly reliable, and scalable connectivity between Alexa-enabled devices and the Alexa Cloud. We improve the speed and reliability of customer interactions with Alexa while simplifying the developer experience by abstracting connection management. Our services handle tens of billions of transactions daily. This is a highly visible role spanning inception, feature development, and partnering closely with tier-1 Cloud Services. The ideal candidate is passionate about Alexa and thrives delivering high-quality device capabilities in a hyper-growth environment.
Basic Qualifications

• 4+ 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 - Experience programming with at least one software programming language - 4+ years of embedded firmware development experience - Experience with RF lab equipment including VNA, power meters, spectrum analyzers, vector signal generators - Integrate, optimize, and maintain Wi-Fi and BLE protocol stacks on device platforms - Experience with BLE stack development or integration (GAP, GATT, L2CAP) - Bachelor's degree in Electrical Engineering, Computer Science, or equivalent practical experience

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 - Experience in network capture and systems troubleshooting - Experience with Wi-Fi 6/6E (802.11ax) or Wi-Fi 7 (802.11be) - Familiarity with the Matter protocol specification and certification process - Experience with wireless coexistence (Wi-Fi/BLE/Zigbee on shared 2.4 GHz band) - Understanding of mesh networking: routing (RPL), network formation, self-healing - Familiarity with wireless chip vendors: Qualcomm, MediaTek, Realtek, NXP, Silicon Labs

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