Job Description

Who Are We

bits&BYTE was founded by an entrepreneurial group of lifelong experienced and successful IT professionals. Our focus is to apply IT solutions to challenging and complex business issues. We display our deep dedication and passion for technology in all aspects of our business and how we serve our customers. Corporate Office Based in Bangalore, we focus on flawless execution by developing and maintaining outstanding engineering talent deployed through both our Remote Center of Excellence and at client locations. Our engineering team has impressive credentials relevant to our customers business needs. Built on a foundation of excellence through real-world experience, our team is among the most knowledgeable and trained in the industry. Over the decade, bits&BYTE has enabled customers to realize maximum value from their IT infrastructure investment through smart IT strategy, seamless implementation, and sincere support. We work closely with customers to help them achieve operational agility, efficiency, and accelerate their business transformation through niche technology.

For more information, log on to - http://www.bitsandbyte.net/

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
Build, customise, and optimise OpenWRT firmware images.
Develop and integrate custom packages, services, and kernel modules.
Manage device configuration, hardware abstraction layers, and board support packages (BSP).
Bootloader & Low-Level Firmware
Customize and extend U-Boot or similar bootloaders.
Modify boot sequences, secure boot mechanisms, device bring-up, and flashing flows.
Embedded Linux & Kernel
Develop and debug Linux kernel modules and drivers.
Configure kernel options, patches, and hardware-specific integrations.
Optimize system performance, memory usage, and startup time.
Networking & Protocols
Implement and troubleshoot TCP/IP networking, routing, firewalling, and NAT.
Work with L2 bridging, VLANs, DHCP, DNS, PPPoE, VRRP, QoS, and other networking services.
Optional but preferred: Experience with SD-WAN, IPSec/OpenVPN/WireGuard-based VPN technologies.
Software Development
Write high-quality embedded code in C/C++.
Optional: Experience with PHP, shell scripting
Develop system daemons, CLI tools, configuration utilities, and scripts.
System Debugging & Testing
Use tools such as gdb, strace, tcpdump, wireshark, perf, etc.
Diagnose hardwaresoftware integration issues.
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.
28 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.

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