SalaryPeak

Senior Embedded Software Engineer

DOODLE LABS (SG) PTE. LTD.
Singapore 5+ years Posted Feb 3, 2026

Salary Range

SGD 72,000 - SGD 108,000 /year

SGD 6,000 - SGD 9,000/month

Skills Required

TroubleshootingEmbedded LinuxEmbedded SoftwareHardwareARMScriptingWirelessEmbedded SystemsNetworkingPythonFirmwareRoutersDebuggingElectrical EngineeringLinuxSoftware DevelopmentC++

Job Description

Drive feature delivery and reliability for OpenWrt-based routers; be the go-to engineer for complex firmware issues and cross-discipline integration with RF and hardware teams.

Key Responsibilities:

  • Lead design and implementation of medium-to-large features (driver tweaks, hostapd enhancements, ACS/DFS improvements, power management).
  • Own troubleshooting of field escalations and complex regressions; design fixes and tests.     
  • Improve CI/CD for firmware builds, add automated RF test hooks and performance benchmarks.       
  • Mentor junior engineers, perform thorough code reviews, and champion best practices.
  • Collaborate with RF/HW/product on calibration flows and factory provisioning.

Must-have:

  • 5+ years embedded Linux experience with 3+ years on OpenWrt or similar embedded distributions.     
  • Strong C, shell, and Python; experience with kernel debug (dmesg, perf, ftrace) and device trees.     
  • Solid knowledge of Linux networking (bridging, ip, netfilter/nftables, qdisc) and wireless stacks (mac80211/hostapd).
  • Experience shipping production firmware and participating in release processes.

Nice-to-have:

  • Driver experience on Qualcomm/Atheros platforms, familiarity with ath9k/ath10k.
  • Experience with Wi‑Fi roaming, mesh (802.11s), MLO or Wi‑Fi6 features.
  • Background in OTA/A-B updates, secure boot, or telemetry stacks.