Sunil Dhayal

Background

About Sunil Dhayal

Software Engineer with 3.6 Years of experience in developing software applications using C, C++ and Python. Developing Shared Libraries(.so files), Dynamic Link Library's(DLL's), Making Embedded devices IOT enabled using protocols like MQTT, HTTP etc. Developing Custom linux based Operating Systems for both x86 as well as arm platforms. Microservices development using python(Flask, web.py, Django). Expert in using Docker, Jenkins and DevOps tools to build automated CI/CD. SKILLS: Languages: C, C++, Python, Shell Script Frameworks: Django, Flask, Drogon, GTest/ GMock Databases: MySQL, PostgreSQL, MongoDB Protocols: HTTP, MQTT, RPC, IPC, TCP, UDP CI/CD: Docker, Kubernates, Jenkins, CMake, GDB, Git Concepts: Data Structure, Algorithms, STL, OOPs, Multi-threading, Low Latency, Socket Programming, Operating Systems, IOT, OAuth, System Design, Microservice Others: Vault, EventHub, Buildroot, Linux (Booting, Kernel Space, User Space, Init, Upgrades), BSP, IPC, Embedded, I2C, SPI, LDD. PROJECTS:(1) Software Monetization (Account associated Licensing) Created a scalable, multi-tenant platform to optimize device management, leveraging device code flow for secure access and control. This solution empowers businesses to efficiently register, license, meter, and bill devices, while seamlessly pushing meter usage data for accurate consumption tracking. Technologies: C/C++, Oauth2(Device Code Flow), JSON, Multi-threading, IOT, CMAKE, GMock/GTest, Docker etc.(2) IOT Enabled Devices Developed IoT device support leveraging Azure IoT Hub and MQTT protocol to optimize device connectivity and data ingestion. Implemented custom features including event caching, file upload/download, cloud-based log retrieval, and efficient sensor data collection and transmission to Cloud. Technologies: C++, MQTT, Multi-threading, Azure IOT agent, Function Apps, EventHub, CMAKE, GMock/GTest, Docker, CMAKE Debug etc.(3) Custom Embedded Linux OS Enhanced custom Buildroot-based Linux operating systems for x86 and ARM platforms, tailored for embedded systems. Implemented secure boot and TPM support, and optimized kernel configurations for performance and security. Created custom InitRD, Installer images, RootFS and developed custom Init scripts. Added Functionalities like Device Provisioning, Operating System Upgrades, BIOS Upgrades, Docker Upgrades, HA Support etc. Technologies: C/C++, BuildRoot, Linux Kernel, Shell Scripts, Docker, EFI Boot, dpkg, Syslog Ng etc.