Embedded Software Engineer

Job Overview: (
Embedded Software Engineer 
*2+ Years)*

We are looking for an experienced Embedded Software Engineer with strong expertise in OpenWRT, embedded Linux systems, and networking. The ideal candidate should have hands-on experience building and customising OpenWRT firmware, modifying bootloaders such as U-Boot, and working extensively with networking stacks and routing/bridging functionality.

Key Responsibilities

· OpenWRT Development

o   Build, customise, and optimise OpenWRT firmware images.

o   Develop and integrate custom packages, services, and kernel modules.

o   Manage device configuration, hardware abstraction layers, and board support packages (BSP).

· Bootloader & Low-Level Firmware

o   Customize and extend U-Boot or similar bootloaders.

o   Modify boot sequences, secure boot mechanisms, device bring-up, and flashing flows.

· Embedded Linux & Kernel

o   Develop and debug Linux kernel modules and drivers.

o   Configure kernel options, patches, and hardware-specific integrations.

o   Optimize system performance, memory usage, and startup time.

· Networking & Protocols

o   Implement and troubleshoot TCP/IP networking, routing, firewalling, and NAT.

o   Work with L2 bridging, VLANs, DHCP, DNS, PPPoE, VRRP, QoS, and other networking services.

o   Optional but preferred: Experience with SD-WAN, IPSec/OpenVPN/WireGuard-based VPN technologies.

· Software Development

o   Write high-quality embedded code in C/C++.

o   Optional: Experience with PHP, shell scripting

o   Develop system daemons, CLI tools, configuration utilities, and scripts.

· System Debugging & Testing

o   Use tools such as gdb, strace, tcpdump, wireshark, perf, etc.

o   Diagnose hardware–software integration issues.

o   Create test plans, unit tests, and regression tests.

Required Skills & Qualifications

· Strong expertise in 
OpenWRT build system, feeds, patches, and image customization
.

· Hands-on experience with 
U-Boot
 or other embedded bootloaders.

· Solid understanding of 
networking fundamentals
 and protocols (TCP, UDP, IP, routing, switching).

· Proficiency in 
Embedded C/C++
.

· Good knowledge of 
Linux internals
, kernel architecture, device drivers, and user-space frameworks.

· Experience with cross-compilation, buildroot, Yocto, or similar embedded build systems.

Preferred / Optional Skills

· Experience with 
SD-WAN
 concepts and secure tunnels.

· Hands-on with 
VPN protocols
 (WireGuard, IPSec, OpenVPN).

· Scripting capabilities in PHP, Python, Bash, or Lua.

· Experience with hardware bring-up and board-level debugging.

· Exposure to cloud-integrated device management (TR-069, Netconf, custom APIs).

Hardware Platform Knowledge (Preferred)

· Experience working with 
MediaTek (MTK) router SoCs
 and SDKs.

· Familiarity with 
Banana Pi
, 
Qualcomm/Atheros
, 
Realtek
, 
Broadcom
, or similar router boards.

· Experience in bringing up OpenWRT on 
x86
, ARM, and MIPS platforms.

· Understanding of hardware-level interfaces such as UART, SPI, I2C, GPIO, NAND/NOR flash, and Ethernet PHYs.

Education & Experience

· Bachelor's or Master's degree in Computer Science, Electronics, Telecommunications, or related field.

· –8 years of experience in embedded systems development (flexible based on level).

Soft Skills

· Strong debugging and analytical skills.

· Ability to work independently on complex hardware/software problems.

· Good communication and documentation skills.

· Collaborative, proactive, and comfortable working in a dynamic R&D environment.

What We Offer:

· Competitive salary and 
performance-based incentives
.

· A collaborative, high-growth work environment at 
bits&BYTE
.

· Opportunities to learn about cutting-edge technology offerings and sales techniques.

· Clear career progression and skill development support.