OpenWrt Software Architect

Keylabsintelli; Hyderabad; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Keylabsintelli based in Hyderabad is seeking an experienced developer proficient in OpenWrt and embedded systems. You will be responsible for leading firmware design and development, optimizing performance, and implementing complex networking solutions. The role requires strong expertise in C/C++ programming and a deep understanding of IPv4/IPv6 networking. You will also mentor engineering teams and troubleshoot network issues, ensuring high-quality standards and performance metrics are met.

Qualifications

• Strong expertise in OpenWrt build system customization and package management.
• Hands-on experience in building operator-grade firmware distributions.
• Advanced proficiency in C/C++ with a focus on performance and resource optimization.
• Strong experience in IPv4/IPv6 dual-stack environments.

Responsibilities

• Lead the design, development, and customization of OpenWrt-based firmware.
• Architect and implement high-performance networking stacks.
• Develop scalable embedded Linux systems for complex environments.
• Optimize L2/L3 forwarding performance with hardware offloading.

Skills

OpenWrt build system customization

C/C++ programming

IPv4/IPv6 networking

Traffic & routing techniques

Tools

tcpdump

Wireshark

Job description

Key Responsibilities

• Lead the design, development, and customization of OpenWrt-based firmware for operator-specific deployments.
• Architect and implement high-performance networking stacks for carrier-grade devices.
• Develop scalable and modular embedded Linux systems for complex CPE environments.
• Implement and manage TR-181 / TR-098 data models and USP (TR-369) protocols.
• Optimize L2/L3 forwarding performance using hardware offloading and VLAN configurations.
• Design and implement Multi-WAN, failover strategies, and policy-based routing (PBR).
• Enhance multicast performance using IGMP/MLD snooping and proxy mechanisms.
• Perform deep debugging of system-level issues such as kernel panics, memory leaks, and race conditions.
• Analyze and troubleshoot network issues using tools like tcpdump and Wireshark.
• Collaborate with cross-functional teams to define system architecture and integration strategies.
• Mentor and guide engineering teams on best practices and technical decision-making.

Required Skills & Experience

OpenWrt & Embedded Systems

• Strong expertise in OpenWrt build system customization and package management.
• Hands‑on experience in building operator‑grade firmware distributions.

Programming

• Advanced proficiency in C/C++ with focus on performance and resource optimization.

Networking & Protocols

• Strong experience in IPv4/IPv6 dual‑stack environments
• Knowledge of:
  • DHCPv4 / DHCPv6
  • SLAAC & Prefix Delegation (PD)
  • IPv6 transition technologies (MAP‑T, MAP‑E, DS‑Lite)

Networking Concepts

• Deep understanding of:
  • Linux Bridge
  • VLAN (802.1Q / QinQ)
  • Routing and forwarding architectures

Traffic & Routing

• Experience with:
  • Multi‑WAN configurations
  • Failover mechanisms
  • Policy‑Based Routing (PBR)