Capgemini

WLAN Developer

Capgemini
Apply
15 hours ago
Chennai, IndiaMid Level / Senior

Responsibilities

  • Design, develop, and maintain WLAN host applications for broadband gateways, routers, access points, and connected devices.
  • Develop WLAN configuration, monitoring, diagnostics, performance optimization, and security features.
  • Use hostapd, wpa_supplicant, NetworkManager, and other wireless networking frameworks to implement WLAN functionality.
  • Collaborate with WiFi firmware, driver, cloud, RDK-B, and product engineering teams on end-to-end feature integration.
  • Analyze WLAN performance issues and improve throughput, roaming, latency, and device connectivity.
  • Develop networking applications using TCP/IP, DHCP, DNS, NAT, QoS, and routing protocols.
  • Implement WiFi management features using TR-181, TR-069, EasyMesh, Multi-AP, and Broadband Forum standards.
  • Debug and optimize WLAN applications on Embedded Linux platforms.
  • Contribute to software design, code reviews, architecture discussions, and product enhancements.
  • Support automation and validation teams during feature verification and production deployment.

Requirements

  • Requires 4–8 years of WLAN/WiFi software development experience.
  • Strong programming expertise in C and C++ on Linux-based platforms.
  • Hands-on experience with IEEE 802.11 a/b/g/n/ac/ax, including WiFi 5, WiFi 6, and WiFi 6E.
  • Strong understanding of the Linux networking stack and socket programming.
  • Experience with hostapd, wpa_supplicant, cfg80211, mac80211, and wireless networking components.
  • Knowledge of EasyMesh, Multi-AP, band steering, client steering, and mesh networking concepts.
  • Preferred familiarity with RDK-B architecture, CCSP, WebPA, and TR-181 data models.
  • Experience with Wireshark, tcpdump, gdb, and Linux tracing utilities.
  • Understanding of WPA2, WPA3, 802.1X, and RADIUS security protocols.
  • Exposure to Git, Jenkins, CI/CD pipelines, Agile development methodologies, and automated testing frameworks.
  • Strong analytical, troubleshooting, and communication skills.

Benefits

  • Career paths and internal opportunities within Capgemini Group.
  • Comprehensive wellness benefits including health checks, telemedicine, insurance with top-ups, elder care, partner coverage, and new parent support through flexible work arrangements.
  • Opportunities to work on connected-device, broadband, networking, WiFi 7, IoT, and edge-connectivity projects with global teams and industry leaders.

Tech Stack

CC++GitJenkinsLinux

Categories

Capgemini

About Capgemini

10,000+ employees

Capgemini is a global IT services and consulting firm that delivers strategy, cloud, AI, software engineering, and managed services to large enterprises and public-sector clients. Founded in 1967 and headquartered in Paris, it is publicly traded on Euronext Paris and operates in 50+ countries. The group expanded its engineering capabilities by acquiring Altran in 2020, now operating as Capgemini Engineering.

Contact me