C++ Systems Engineer

AJEESH KUMAR

Senior Embedded IoT Developer Linux C/C++ gRPC Google Telemetry

Richardson, TX +1-484-***-**** ******@*****.*** SUMMARY

Embedded systems engineer with 15+ years of experience building low-level software for wireless controllers, SoCs, and IoT gateways. Proven track record in Linux-based embedded development using C/C++, Python, and system-level debugging tools. Experienced in telemetry protocols (gRPC, SNMP, OpenTelemetry), multithreaded systems, and state-machine programming. Strong collaborator across global teams.

EXPERIENCE

Embedded Developer

DecisionSix Inc. (Consultant at Sagemcom), Paris & Richardson, TX Mar 2023 – Present

• Implemented state-machine logic for system LED signaling and QMI/AT command interfaces.

• Developed embedded software for LTE/5G gateway (Fast 5688A) using OpenWRT.

• Designed state-machine logic for LED signaling, integrated QMI/AT interfaces.

• Created Python scripts for system-level test automation and field diagnostics.

• Supported field deployment debugging and LTE telemetry integration. Software Developer

Cisco Systems India Pvt Ltd., Bangalore Aug 2017 – Feb 2023

• Built enterprise features: mesh networking, telemetry integration (Google), and location ID via RFID.

• Developed software for Catalyst 9800 Wireless Controllers (60K+ clients).

• Integrated telemetry protocols (gRPC, SNMP) and cloud telemetry pipelines.

• Created multithreaded modules and event-driven diagnostics subsystems.

• Resolved real-world issues in large-scale deployments and vendor integrations. Technical Lead – Embedded Systems

Harman Connected Services, Bangalore Mar 2014 – Aug 2017

• Delivered firmware for V2V modules on ARM Cortex-A7 & M3 SoCs.

• Debugged using JTAG/Lauterbach; implemented real-time event handlers. Senior Software Engineer

Aricent Technologies, Bangalore May 2011 – Feb 2014

• Built WLAN controller firmware for HPE; collaborated onsite in Canada.

• Worked on feature enhancements and low-level protocol support. Member Technical Staff

HCL Technologies, Chennai Jul 2008 – Apr 2011

• Created TalwarSim simulator for AP/client emulation and performance testing. Lecturer

Govt Polytechnic & College of Applied Science 2005 – 2007

• Taught embedded programming and electronics fundamentals. EDUCATION

B.E. in Electronics and Communication Engineering – Anna University Advanced Diploma in Real-Time Embedded Systems – Cranes Software International Diploma in Electronics – Kerala Technical Board

TECHNICAL SKILLS

Languages: C, C++, Python, Shell, Rust (learning), Go (learning) Embedded OS: Linux, OpenWRT, POLARIS

Tools: GDB, Wireshark, JTAG, Lauterbach, Valgrind

Protocols: TCP/IP, 802.11 WLAN, SNMP, gRPC, gNMI, OpenTelemetry, QMI, I2C, SPI, PCIe Platforms: ARM Cortex, SoC-based architectures, Gateways, Wireless LAN Controllers

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