SSE- Embedded Applications

Job Description :

Position Name: Network Software Developer

Experience: 4 to 8 Years 

Work Mode: Work from Bangalore office (near Bellandur) all 5 days. 

Mandatory: 

1. 4+ years of work experience in Networking domain. 
2. Highly proficient in C and Linux environment.
3. Experience in working on Linux based large code base. 
4. Hands-on experience in working OpenWrt based router firmware. 
5. Hands on experience with IP and lower layer networking protocols.

Great to Have: 

• Experience in working on Qualcomm and MediaTek chipsets. 
• Experience in Linux device drivers and device trees.
• Experience in creating and applying Linux kernel patches.

C++ Developer / Test Engineer (GoogleTest / G-Test)

About the Role

We are seeking a highly skilled C++ Developer / Test Engineer with strong expertise in unit testing, debugging, and software quality engineering. The ideal candidate will have hands-on experience developing and executing automated test cases using GoogleTest (G-Test) and validating enterprise-grade C++ applications.

This role requires strong implementation capability, debugging maturity, and a deep understanding of software testing methodologies to improve application stability, code quality, and production readiness.

Key Responsibilities

• Design, develop, and execute unit test cases using GoogleTest (G-Test).
• Improve code coverage and ensure application reliability.
• Perform debugging, root cause analysis, and issue resolution.
• Validate server-side customizations and application behavior.
• Analyze logs and troubleshoot production and development issues.
• Collaborate with development teams to resolve defects and improve software quality.
• Support CI/CD pipelines and automation initiatives.
• Contribute to software quality, maintainability, and testing best practices.

Required Qualifications

• 3–6 years of experience in C++ development and/or testing.
• Strong hands-on experience with GoogleTest (G-Test) or similar unit testing frameworks.
• Excellent understanding of Object-Oriented Programming (OOP).
• Strong knowledge of STL, pointers, memory management, and data structures.
• Experience in debugging, log analysis, and root cause investigation.
• Familiarity with Git, Jenkins, and CI/CD workflows.
• Ability to work independently on real-world implementation and testing challenges.
• Comfortable working in a hybrid setup from Pune.

Preferred Qualifications

• Experience with Teamcenter customization or PLM applications.
• Exposure to enterprise software development environments.
• Knowledge of software quality assurance and automation practices.

What We're Looking For

• Strong practical implementation skills.
• Ownership of testing and debugging activities.
• Experience working on production-grade applications.
• Ability to analyze complex issues and drive resolutions.
• Focus on software quality, reliability, and maintainability.

Evaluation Criteria

Candidates will be assessed on:

• Practical C++ implementation capability.
• GoogleTest framework expertise.
• Debugging and problem-solving skills.
• Understanding of OOP, STL, and memory management.
• Real project ownership and execution depth.
• Code quality and testing best practices.

Key Responsibilities

1. Kernel Lifecycle & Maintenance

Upstream Alignment: Lead the strategy for upgrading enterprise kernels (e.g., migrating from LTS 5.15 to 6.6) while maintaining binary compatibility where required.

Patch Porting: Expertly port functional and performance patches between disparate kernel versions, resolving complex code conflicts and API changes.

CVE Mitigation: Monitor the Linux Kernel Mailing List (LKML) and security advisories to identify and backport CVE patches from upstream to production environments.

2. Deep-Dive Debugging & Stability

Panic Analysis: Act as the final escalation point for Kernel Panics and "Oops" messages. Utilize kdump, crash, and gdb to perform post-mortem analysis of vmcores.

Boot-Time Resolution: Debug critical failures during the early boot process (UEFI handoff, initramfs, and early kernel init) where standard logging is unavailable.

Performance Tuning: Use ebpf, ftrace, and perf to identify bottlenecks in memory management, scheduler latency, or I/O throughput.

3. Driver Development & Hardware Integration

Driver Ownership: Design, develop, or maintain at least one Open Source or Proprietary Device Driver (Network, Storage, GPU, or Character devices).

Hardware Abstraction: Interface directly with hardware registers, managing DMA mappings, and optimizing interrupt handling (MSI-X, Threaded IRQs).

Out-of-Tree Management: Maintain driver compatibility across kernel updates using DKMS or similar frameworks.

4. Infrastructure & Automation

Registry Management: Oversee the distribution of custom kernel builds and modules via GitLab Container/Package Registries.

CI/CD for Kernel: Build automated testing pipelines (Hardware-in-the-loop) to validate kernel stability before enterprise-wide deployment.

Required Technical Skills:

Languages: Mastery of C/C++ Programming (C is preferred)

Kernel Internals: Deep understanding of VFS, Memory Management (MMU/Paging), Process Scheduling, and Networking Stacks.

Debugging Tools: Expert-level use of kprobes, trace-cmd, valgrind, and hardware-level debuggers (JTAG/Serial Console).

Build Systems: Proficiency with Kbuild, Makefiles, and building RPM/Debian packages for kernel distribution.

Security: Hands-on experience with SELinux/AppArmor policy development and kernel hardening (FIPS, KSPP).

Job Summary

We are seeking a highly skilled and motivated Linux Device Driver Engineer with strong C/C++ programming skills and hands-on experience in Linux driver development. The ideal candidate will have a proven track record of working with kernel modules and hardware interfaces, and be comfortable debugging and optimizing low-level system software.

Key Responsibilities

• Porting existing Linux device drivers to new platforms, SoCs, and kernel versions.
• New driver development for custom hardware components and peripherals.
• Debugging kernel and driver-level issues using industry-standard tools.
• Integration & bring-up of hardware with Linux-based systems.
• Collaborate with hardware teams to interpret specifications and enable device functionality.
• Optimize drivers for performance, reliability, and resource efficiency.
• Write clear technical documentation for driver APIs, design, and integration steps.

Required Skills & Qualifications

• Bachelor’s/Master’s in Computer Science, Electronics, or related field.
• 4 to 8 years of professional experience in software development.
• Strong proficiency in C/C++ programming and memory management.
• Hands-on experience with any Linux device driver (character, block, network, USB, PCIe, I2C, SPI, etc.).
• Good understanding of Linux kernel architecture, module programming, and build systems.
• Knowledge of interrupt handling, DMA, and device tree configuration.
• Familiarity with cross-compilation and embedded Linux toolchains.
• Experience with debugging tools (GDB, ftrace, perf, printk, etc.).
• Version control experience (Git).

Preferred Skills

• Exposure to multiple driver types (networking, storage, multimedia, etc.).
• Experience with Yocto, Buildroot, or similar embedded Linux environments.
• Knowledge of real-time Linux and RT patches.
• Scripting knowledge (Python, Bash) for testing and automation.

Soft Skills

• Strong analytical and debugging skills.
• Good communication and collaboration abilities.
• Ability to work independently and take ownership of deliverables.

Job Description

Are you passionate about making a difference in people's lives through groundbreaking products and services ? Look no further! Protectol Health is a pioneering pharma-tech company with a holistic approach that spans conventional pharmaceuticals, nutraceuticals, nutrients, and business safety. Our dedication to the value of "Life matters" is not just a slogan – it's ingrained in every facet of our work culture and offerings.

With dedicated divisions in Pharma, Technology, Nutraceuticals, Nutriments, and Business Safety, we drive impactful research and development activities that redefine industries and touch lives. Our operational footprint extends across the GCC countries and India, allowing us to reach and transform communities on a grand scale.

If you're enthusiastic about creating a positive impact and wish to be a part of an organization that values and prioritizes lives, Protectol Health welcomes you. Join us in our mission to shape a healthier present and future. Your expertise and passion will find a meaningful home here.

Roles and Responsibilities

As an Embedded Firmware Engineer, you will be responsible for:

● Leading the firmware development for our product line of safety and medical devices.

● Designing, developing, testing, and maintaining embedded firmware.

● Collaborating with cross-functional teams to define software requirements, specifications, and architectures based on product requirements and industry standards.

● Implementing firmware solutions that comply with ATEX certification, IEC 61508, and Functional Safety (SIL standards) for devices used in hazardous locations.

● Conducting thorough testing and validation of firmware to ensure reliability, accuracy, and compliance with safety standards.

● Optimizing firmware for power efficiency and performance to meet the life of portable and battery-powered devices.

● Implement firmware algorithms for sensor calibration, data processing, and user interface interactions.

● Assisting in hardware-software integration, debugging, and troubleshooting to ensure seamless functionality of the devices.

● Collaborating with Quality Assurance and Product Validation teams to ensure the highest quality of firmware deliverables.

● Participating in code reviews and providing constructive feedback to improve code quality and maintainability.

● Keeping abreast of emerging technologies, industry trends, and advancements in embedded systems for continuous improvement and innovation.

Skills and Qualifications:

● Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or related field.

● 3+ years of experience in embedded firmware development for portable and wireless gas detectors and docking stations.

● Proficiency in C/C++ programming languages for embedded systems.

● Hands-on experience with a complete product development cycle is an add-on.

● Experience with STM32/STM8/ MSP430 or any other low-power microcontrollers for the development of low-powered devices.

● Experience in reading and optimizing analog data in various types of ADCs.

● Understanding of ATEX certification requirements and compliance.

● Understanding and practical experience with Functional Safety standards (SIL2/3 standards) in the development of safety-critical systems is an add-on.

● Experience with coding standards. (eg: Misra-C) Familiarity with System architectures and communication protocols like I2C, UART, SPI, etc. Knowledge of sleep modes and low-power optimization techniques for battery-operated devices.

● Experience in developing and using custom segment LCDs (TN, STN, etc.) used in battery-powered ultra-low power devices.

● Experience with software development tools, version control systems, and bug-tracking systems. Strong analytical and problem-solving skills with attention to detail.

● Excellent communication and teamwork skills.

● Advantages for individuals who thrive in a startup setting.

Work Culture

At Protectol Health, we prioritize our diverse and talented team. We offer flexible work arrangements and resources for well-being to support our employees' personal and professional growth. By putting people first, we attract and retain top talent and drive innovation toward our mission of improving health and well-being

Job Title:

Telephony Engineer

Job Description:

- Support the operations team with debugging issues related to the telephony platform

- Identify issues with calls using monitoring and analysis tools such as VoIPMOnitor

- Write scripts to automate tasks, monitor the services and functionalities

- Contribute to the improvement of the system by providing ideas

- Help with capacity planning

- Perform the scheduled maintenance activities

- Modify the existing code to accommodate new features

Experience Range:

3- 6 years

Educational Qualifications:

Any graduation,

Job Responsibilities:

  • Knowledge of open source technologies, VoIP, SIP, WebRTC etc.

  • Shell scripting.

  • Experience in Asterisk and Kamailio or OpenSIPS.

  • C/C++ or JS programming with Linux.

  • 5-8 years experience.

  • Good communication skills.

  • Willingness to work in the night, whenever required, for handling support related issues.

Skills Required:

ViOP, OpenSIPS, SIP, Shell Scripting, Asterisk, kamailio, C++, Linux, Development,

Relevant experience: 2-3 years

Responsibilities:

1. Should be good at, C, C++, Linux driver development
2. Should have worked in protocol like i2S, SPI, i2C. rf, 6lowpan, Tcp / Ip stack etc..
3. Experience in porting MbedOS , FreeRTOS to different boards is good.
4. Analyzing and enhancing efficiency, stability and scalability of system resources
5. Design, develop, code, test and debug system software
6. Provide post production support
7. Interface with hardware design and development

Requirements:

1. Proven working experience in software engineering
2. Experience in hands-on development and troubleshooting on embedded targets
3. Solid programming experience in C or C++
4. Adequate knowledge of reading schematics and data sheets for components
5. Strong documentation and writing skills

Note: Self-motivated, goal oriented and good analytical skills.

• Become a member of the team responsible for IoT hub software development. IoT hub provides IoT functionality (smart home, smart appliance,…) to mobile and web clients and runs on Linux-based host like smart home hub, broadband router, STB, etc.
• Implementation and/or extension of leading wireless/wired protocols (ZigBee, Bluetooth, IP-based,..) for communication with smart devices
• Development of new features for control and monitoring of smart devices and automation of IoT system
• IoT hub software porting on various hosts
• Software optimizations

Position:             C++ Developer

Location:            Hyderabad

Requirements:

• Strong C++ skills obtained in multiple years of C++ programming experience (at least 3 years)
• Good understanding of embedded system development based on Linux OS
• Knowledge of advanced programming concepts (e.g. Multi-Threading, OS internals, Networking, IPC mechanisms)
• Solid understanding of computer networking (TCP/UDP/MQTT/SSL)
• Solid understanding of Git source code management system
• Troubleshooting skills
• B.Tech/M.Tech/MCA in computer science/ECE/EEE
• Fluent English

• Sound knowledge in controller design and analysis.
• Good understanding in optimisation based control algorithms.
• Experience with implementing PID controller for various unstable system.
• Experience with vehicle modelling and analysis.
• Good understanding of implementation/debugging/testing model and control algorithms.
• Candidate should have experience in programming concepts like OOPS in C++ and Python with robust and efficient coding.
• Experience in Matlab/Simulink, Stateflow.
• Good understanding in code generation, implementation and testing for real time intergration embedded system.

• Algorithm development for different control features.
• Testing of algorithm architecture along with tuning and validation.
• Working with simulation team to integrate and test models and algorithms into simulation environment for rapid development and validation.
• Tuning and validation of plant models to emulate real physical systems’ behaviour
• Co-ordination with other departments to maintain consistency and compatibility in department stack.

• ROS and ROS2 experience
• Vehicle dynamics modelling and simulation.
• Experience with version control using Git.

• Health Insurance
• Employee Stock Options
• Work from Home
• Flexible work hours
• Monthly Team outings and events
• Budget for up-skilling
• Flexible vacation