WLAN Developer Capgemini

Earnmodes; Chennai; On-site; INR 900,000 - 1,500,000; Full time

Benefits offered by this job

Career growth opportunities

Wellness benefits and health coverage

Global project exposure

Cutting-edge WiFi technologies (WiFi 7

Job summary

Capgemini India is seeking an experienced WLAN/WiFi software engineer to design, develop, and maintain host applications for broadband gateways and devices. You will work on features for WLAN configuration, monitoring, diagnostics, and security on Linux-based platforms.

You will collaborate with cross-functional teams across firmware, driver, cloud, and product engineering, addressing performance, roaming, latency, and connectivity challenges using IEEE 802.11 standards and TR-181/TR-069 data

Qualifications

• 4–8 years of WLAN/WiFi software development on Linux platforms.
• Strong C/C++ programming on Linux; networking concepts required.
• Hands-on WLAN tech: 802.11 a/b/g/n/ac/ax (WiFi5/6/6E).
• Experience with hostapd, wpa_supplicant, and cfg80211/mac80211.
• Familiarity with debugging tools and Linux tracing utilities.

Responsibilities

• Design, develop, and maintain WLAN host applications for gateways and devices.
• Implement WLAN features: configuration, monitoring, diagnostics, security.
• Collaborate with firmware, driver, cloud, and product teams for integration.
• Analyze performance issues; improve throughput, roaming, latency, connectivity.
• Work with TR-181/TR-069, EasyMesh, Multi-AP standards and networking stacks.
• Support verification and deployment with automation and testing.

Skills

C and C++ on Linux

WLAN/WiFi software dev

Linux networking stack

socket programming

hostapd/wpa_supplicant

IEEE 802.11 (WiFi 5/6/6E)

Wireshark/tcpdump

Debugging tools

Git/Jenkins/CI/CD

Tools

hostapd

wpa_supplicant

cfg80211

mac80211

Wireshark

tcpdump

gdb

Job description

Job Description

Design, develop, and maintain WLAN Host Applications for broadband gateways, routers, access points, and connected devices.

Develop WiFi application features related to WLAN configuration, monitoring, diagnostics, performance optimization, and security.

Work with hostapd, wpa_supplicant, NetworkManager, and other wireless networking frameworks to implement WLAN functionalities.

Collaborate with cross-functional teams including WiFi Firmware, Driver, Cloud, RDK-B, and Product Engineering teams for end-to-end feature integration.

Analyze WLAN performance issues and develop solutions to improve throughput, roaming, latency, and device connectivity.

Develop and maintain networking applications utilizing 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.

Participate in debugging, troubleshooting, and optimization of 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.

Your Role

• Minimum 4-8 years of experience in WLAN/WiFi Software Development.


• Strong programming expertise in C and C++ on Linux-based platforms.


• Hands‑on experience with WLAN technologies including IEEE 802.11 a/b/g/n/ac/ax (WiFi 5, WiFi 6, WiFi 6E).


• Strong understanding of 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.


• Familiarity with RDK-B architecture, CCSP framework, WebPA, and TR-181 data models is preferred.


• Experience with debugging tools such as Wireshark, tcpdump, gdb, and Linux tracing utilities.


• Understanding of WiFi security protocols including WPA2, WPA3, 802.1X, and Radius.


• Exposure to Agile development methodologies, Git, Jenkins, CI/CD pipelines, and automated testing frameworks.


• Strong analytical, troubleshooting, and communication skills.

What you’ll love about working here

• We offer a range of career paths and internal opportunities within Capgemini Group.


• You will get comprehensive wellness benefits including health checks, telemedicine, insurance with top-ups, elder care, partner coverage, and new parent support via flexible work arrangements.


• At Capgemini, you can work on cutting‑edge connected device, broadband, and networking projects with industry leaders or create innovative solutions that shape the future of connected experiences.


• Collaborate with global teams and gain exposure to next‑generation technologies including WiFi 7, EasyMesh, IoT, and Edge Connectivity solutions.


• Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end‑to‑end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

Source: Company Career page