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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # DSP Modem Embedded Engineer, Amazon Leo - **Company:** Amazon.com, Inc. - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $136,000.0 - $184,000.0 - **Contract:** Internship / Graduate position - **Skills:** Board Bringup, Algorithm Design, C++ (Programming Language), Codecs, Modems, Software Debugging, Device Drivers, Embedded Software, Emulators, MATLAB, Real-Time Operating Systems, Signal Processing, Software Engineering, Wi-Fi Technology, Application Specific Integrated Circuits, Software Version Control - **Published:** August 4, 2026 - **Apply:** https://www.amazon.jobs/en/jobs/10491033/dsp-modem-embedded-engineer-amazon-leo ## About the Role Bachelor's degree in Electrical Engineering or a related field - 5+ Years of DSP Modem experience or equivalent experience. - 5+ years of non-internship professional software development experience including code development methodologies, debugging, version control, and code maintenance. - 5+ years of experience with DSP modem development and test. - 5+ years of experience with wireless communications systems such as 3/4/5G, WIFI, or other OFDM systems. - 5+ years of experience with functional DSP modem blocks such as FEC, FFTs, filters, synchronization, digital pre-distortion, multiple access, equalization, AGC, ACM, etc., 7+ years experience with RF HW and impairments - 7+ years with lab debugging tools and methods (emulation, signal tracing, spectrum analyzers, channel simulators, and logic analyzers) - Familiarity with ASIC design, verification, and bring-up - Familiarity with modem system simulation in Matlab or C/C++ - PhD in DSP, signal processing, communications systems or similar ## Description Amazon Leo is an initiative to launch a constellation of Low Earth Orbit satellites that will provide low-latency, high-speed broadband connectivity to unserved and underserved communities around the world. As a DSP Modem Embedded Software Design Engineer, you will own critical components of the physical layer software that drives our custom satellite modem ASIC. You'll work across the full development lifecycle - from architecture and requirements through implementation, silicon bring-up, integration, and on-orbit operations. You will operate at the boundary between hardware and software, writing performance-critical code that directly interfaces with custom DSP accelerators and manages real-time link-layer behavior for a broadband LEO constellation., Develop embedded software in assembly, C, and C++ in a real-time operating system environment for broadband satellite modem systems. - Write real-time critical software to augment and interact with hardware blocks such as FFT, correlator, codec, DPD, etc. - Write device drivers and system applications for satellite broadband link management. - Work closely with modem and hardware teams to lead emulation, board bring-up, integration, and testing Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.S. citizen or national, U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum. About the team Amazon Leo is building a constellation of Low Earth Orbit (LEO) satellites to deliver low-latency, high-speed broadband connectivity to unserved and underserved communities worldwide. Our PHY Software team owns the Layer 1 stack that powers every link in the satellite network - from customer terminals to gateways, across multiple chip generations and orbital configurations. This is a rare opportunity to work at the intersection of DSP algorithm design, real-time embedded systems, and space-grade hardware - shipping software that runs in orbit. ## Related Videos - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Can You Touch the Internet? 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