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Description: The Embedded Software Engineer is responsible for designing, developing, and maintaining software that operates directly on hardware systems. This role involves working closely with hardware engineers to ensure seamless integration and optimal performance of embedded systems. Job Specific Requirements The candidate should have strong experience with: * Embedded C (mandatory) * Bare-metal and RTOS-based firmware * ARM Cortex-M microcontrollers * Interrupt-driven architectures * DMA, timers, watchdogs, GPIO, UART, SPI, I2C * Bootloaders and firmware update systems * Debugging with J-Link/SWD/GDB * Low-power firmware design The Silicon Labs EFR32 family is ARM Cortex-M33 based, so Cortex-M experience matters directly. Wireless Protocol Expertise (Critical) This is where average embedded developers get separated from actual RF/wireless experts. Required Wireless Experience You should strongly prefer candidates with experience in: * Z-Wave * Proprietary sub-GHz protocols * Mesh networking * Low-power wireless sensor networks * RF coexistence * OTA firmware updates over wireless Especially valuable: * Experience with Silicon Labs wireless SDKs * Experience modifying MAC/PHY behavior * Experience implementing custom protocol layers Silicon Labs / Z-Wave Specific Skills Because this is not just generic embedded work. Strongly Preferred Experience with: * Simplicity Studio * Silicon Labs Gecko SDK * Silicon Labs wireless stack APIs * Z-Wave 700/800 series * SmartStart * S2 security * OTA DFU mechanisms * Zniffer packet analysis * PTI packet tracing Security Skills (Increasingly Important) Modern wireless products require serious security awareness. Required or Preferred * Secure boot * Firmware signing * Key provisioning * Encrypted OTA updates * Secure pairing/authentication * Replay protection * Secure storage of credentials Especially important if: * HVAC * industrial * smart home * access-control * infrastructure markets Strongly Preferred * Modular firmware architecture * State-machine design * Event-driven systems * Git workflows * CI/CD for firmware * Automated testing * Hardware abstraction layers * Documentation discipline
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.