Mujibur Rahiman K

Project: Wi-Fi Access Point Development

Roles: Module Owner

Description: Home Wi-Fi Access Point firmware development

Responsibilities:

• Developed router backend applications related to Firewall and Port forwarding which constitutes about 45% of AP features
• Design and implementation of Centralized firmware upgrade in Access Point
• Fixed existing bug in features which increased overall efficiency of the AP by 70%
• Successfully adhered to project timelines, meeting sprints and milestones with keen focus on submitting deliverables within expected deadlines.

Project : Wi-Fi 6E Home Router Development
Roles : Firmware Developer and Module Owner

Description : Wi-Fi 6E Home Router backend application development

Responsibilities :

• Router initial bring up involving SDK setup, boot-loader bring up and initial firmware generation
• Developed back-end support for router features like Open-VPN, Automatic Firmware Upgrade, Attached devices, etc.
• Design and development of below Home Router features
  ○ LAN Settings
  ○ VLAN Settings - Both wired and wireless
  ○ Port Forwarding
  ○ Open-VPN
  ○ Traffic Meter
• Enhanced router boot time and operating time
• Assisted Wi-Fi 6E router production team in manufacturing phase
  

Project : Container Card Orchestration in Enterprise Router Product
Roles : Module Owner & lead

Description : End to End traffic control mechanism using Linux Containers and Open-V-Switch library

Responsibilities:

• Involved in Proof of Concept, design and documentation of entire project
• Added support for Open-V-Switch library and Linux Container packages
• Developed API for spawning containers, creating VLAN Networks and service chains
• Guided team of 2 in API development
• Enhanced this module with shell scripting and C libraries which increased performance of this module by 40%

Project : Easy-Mesh Micro Service Porting in Enterprise Router Product
Roles : Module Developer

Description : Porting existing Easy-Mesh stack to Enterprise Router

Responsibilities :

• Implemented Easy-Mesh stack in Enterprise router using micro service architecture
• Developed complete stack in MQTT technology which increased overall operation efficiency of product by 80%
• Customized API development using C was accomplished adhering to timeline of project

Project : Dual card Dual band support in Wi-Fi 6 Enterprise Router
Roles : Firmware Developer

Description : Add support for Dual Wi-Fi cards in Enterprise Router using extra PCI-e slot

Responsibilities:

• Resolved driver-level code such as interrupt remapping and functional redesign changes in Marvell wireless driver.
• Ensured throughput is efficient around 90% even after functional changes
• Involved in debugging after redesign of interrupt mapping

Project : Object Detection using Wi-Fi 6 Enterprise Router (Channel State Information - CSI)
Roles : Firmware Developer

Description : Development of feature using driver level API named CSI to detect real time objects

Responsibilities:

• Performed extraction of CSI information from Wi-Fi 6 driver and pass it to user-developed custom application for further processing.
• Ensured Router's operation efficiency is always above threshold value
• Developed python scripts to enhance and transform data into measurable units
• Customized UI to visualize transformed data in graph
• Involved in end to end design and development activities
• Presented final outcome to customer with real time demonstration of this feature

• Attended training on Linux Basics, C Programming (advanced), and Networking Concepts (Wired and Wireless)
• Assigned with Mini project where task is to port Proprietary Qualcomm Wireless driver into newer kernel version conduct throughput performance test and generate report using lx-Chariot tool.
• Ensured that throughput level are meeting 90% efficiency after porting
• Provided project progress updates and proposed captured results to higher officials