Embedded Application Development

Job Summary:

We are looking for a motivated Embedded Engineer to design, develop, and test application-level firmware for IoT and electronic products. The role focuses on developing embedded applications, integrating with communication stacks, and ensuring reliable operation of hardware and field devices.

The ideal candidate will have hands-on experience with microcontrollers, RTOS, and C/C++ programming, along with a good understanding of communication protocols and embedded hardware interfaces.

Key Responsibilities:

1. Application Development

• Design and develop embedded application software for IoT or electronic products.
• Implement device logic, data handling, and communication interfaces as per system requirements.
• Integrate with underlying firmware layers such as communication stacks and hardware drivers.
• Develop and maintain modular, reusable, and efficient code following coding standards.

2. Integration & Testing

• Integrate and validate software with hardware boards and peripheral components.
• Perform unit, integration, and system-level testing for embedded applications.
• Debug issues using JTAG, serial console, and logic analyzers.
• Support board bring-up and field testing activities.

3. Optimization & Debugging

• Optimize firmware for performance, reliability, and low power consumption.
• Analyze logs and troubleshoot issues in coordination with hardware and QA teams.
• Implement diagnostic and monitoring features for runtime fault detection.

4. Documentation & Quality

• Maintain code documentation, configuration details, and release notes.
• Ensure compliance with firmware design standards and development processes.
• Participate in code reviews and continuous improvement initiatives.

Qualifications & Skills:

• Bachelor’s degree in Electronics, Electrical, Communication, or Computer Engineering.
• 2–5 years of hands-on experience in embedded firmware / application development.
• Strong programming skills in C / C++ for embedded systems.
• Experience with 8-bit / 32-bit microcontrollers (ARM Cortex-M, MSP430, STM32, etc.).
• Good understanding of RTOS concepts, multitasking, and inter-process communication.
• Familiarity with hardware interfaces: UART, SPI, I2C, GPIO, ADC, timers.
• Working knowledge of version control systems (e.g., Git).
• Strong debugging and analytical skills.

Preferred Attributes:

• Experience in IoT or Smart Metering products.
• Exposure to communication protocols such as DLMS/COSEM, Modbus, MQTT, CoAP, or Wi-SUN.
• Knowledge of low-power system design and firmware update mechanisms (OTA).
• Experience with Python scripting for test automation.
• Familiarity with hardware bring-up and embedded testing tools.

Why Join Us:

• Work on innovative IoT and smart device platforms used in large-scale deployments.
• Be part of a dynamic and collaborative R&D environment.
• Gain exposure to end-to-end embedded development from concept to production.
• Opportunity to grow into Senior Engineer or Module Lead roles.

Job Title: Senior Embedded Engineer – Wireless Communication Stack Development

Department: Embedded Systems / Wireless Communication

Location: Bangalore

Job Summary:

We are seeking an experienced Senior Embedded Engineer to lead the design, development, and optimization of wireless communication stacks for our IoT and smart device platforms. The role involves hands-on work with low-power embedded systems, wireless network protocols, and real-time software used in large-scale connected device deployments (e.g., Smart Metering, Smart City, Industrial IoT).

You will contribute to architecture, implementation, integration, and validation of communication layers across PHY, MAC, Network, and Application layers — ensuring performance, reliability, and compliance with open standards like Wi-SUN, IEEE 802.15.4g/e, 6LoWPAN, RPL, IPv6, and CoAP.

Key Responsibilities:

1. Protocol Stack Development

• Design and develop embedded software for wireless communication stacks (MAC, Network, Application layers).
• Implement and optimize IEEE 802.15.4g/e, 6LoWPAN, RPL, and Wi-SUN FAN components for constrained devices.
• Ensure stack compliance with industry communication standards and interoperability specifications.
• Work on real-time and low-power embedded environments, focusing on memory and CPU efficiency.

2. Integration & Debugging

• Integrate the communication stack with RTOS platforms (FreeRTOS, Zephyr, or custom RTOS).
• Interface with hardware abstraction layers (HAL) and peripheral drivers (UART, SPI, I2C, etc.).
• Perform RF communication debugging, using tools such as Wireshark, RF sniffers, and protocol analyzers.
• Collaborate with hardware and system engineers for board bring-up, RF tuning, and performance validation.

3. Optimization & Performance

• Optimize wireless communication stack for low latency, high reliability, and power efficiency.
• Analyze performance metrics (packet delivery ratio, network formation time, throughput, link stability).
• Implement diagnostic and monitoring features within the communication stack.

4. Collaboration & Mentorship

• Work closely with Firmware, QA, and Network teams to deliver integrated and tested solutions.
• Provide technical guidance and mentorship to junior developers.
• Participate in code reviews, design discussions, and system architecture reviews.

5. Documentation & Compliance

• Prepare detailed design documentation, API references, and release notes.
• Ensure adherence to coding standards, version control, and CI/CD pipelines.
• Contribute to internal knowledge sharing on communication protocol design and best practices.

Qualifications & Skills:

• Bachelor’s / Master’s degree in Electronics, Communication, or Computer Engineering.
• 5–10 years of experience in embedded firmware development with a focus on wireless communication protocols.
• Strong proficiency in C/C++, with a solid grasp of embedded system architecture and RTOS concepts.
• Experience with one or more wireless standards:
• Wi-SUN FAN, IEEE 802.15.4g/e, 6LoWPAN, RPL, Zigbee, Thread, BLE, LoRa, or NB-IoT.
• Hands-on experience with network layer protocols (IPv6, UDP/TCP, CoAP, ICMPv6).
• Practical knowledge of embedded debugging and analysis tools (JTAG, Logic Analyzer, Wireshark).
• Familiarity with hardware bring-up, RF interfaces, and low-power system design.
• Strong problem-solving, system-level thinking, and communication skills.

Preferred Attributes:

• Prior experience in Wi-SUN FAN-based IoT or Smart Metering systems.
• Exposure to wireless certification or interoperability testing (Wi-SUN, DLMS, etc.).
• Experience with continuous integration, version control (Git), and unit testing frameworks.
• Contributions to open-source embedded or networking projects are a plus.
• Ability to lead small teams or modules independently.

Why Join Us:

• Work on cutting-edge wireless IoT connectivity solutions that power Smart Energy and Smart City ecosystems.
• Opportunity to own key modules of communication stack development end-to-end.
• Collaborate with an expert R&D team working on next-generation mesh and LPWAN technologies.
• Grow your career toward Technical Architect / Module Lead roles in IoT networking.

Role: Senior MCAL Engineer 

Location: Ahmedabad (On-site) 

Experience: 7–10 Years 

Type: Full Time 

About company 

Requisimus is an IT consulting and service organization headquartered in Germany. With over 25 years of expertise and global presence, we are committed to customer excellence and focused in addressing niche areas of product engineering, process consulting and software development in automotive, railways, production automation, data management and business IT domains. Requisimus, India incubated since 2023, is focused on providing consulting and engineering services for embedded product development and software solutions. 

Job Summary 

We are seeking experienced Senior MCAL Engineers with 7–10 years of expertise in AUTOSAR Classic Platform development for automotive ECUs. The ideal candidate will possess strong hands-on experience in MCAL development, configuration, integration, and AUTOSAR BSW integration on Infineon AURIX (TC3xx/TC4xx) microcontroller platforms. The role requires strong Embedded C programming skills, software integration expertise, and adherence to Automotive SPICE and quality standards while working with global engineering teams. 

Key Responsibilities 

MCAL Development & Configuration: Configure and integrate AUTOSAR MCAL modules for automotive ECU projects. 

AUTOSAR BSW Integration: Integrate MCAL with AUTOSAR Basic Software (BSW), ECU Abstraction Layer and RTE. 

Software Development & Validation: Develop embedded software using C language and perform testing/debugging. 

Process Compliance & Quality: Follow Automotive SPICE and MISRA-C guidelines. 

Technical Leadership & Collaboration: Mentor junior engineers and collaborate with global teams. 

Required Skills & Experience 

Bachelor's or Master's degree in Electronics, Electrical Engineering, Computer Science, or a related field. 

7–10 years of experience in Automotive Embedded Software Development. 

Strong experience in AUTOSAR Classic Platform development and integration. 

Hands-on experience with MCAL modules such as MCU, PORT, DIO, ADC, GPT, ICU, PWM, WDG, SPI, CAN, LIN, FLS, and FEE. 

Good understanding of AUTOSAR architecture, including MCAL, ECU Abstraction Layer, BSW, and RTE. 

Experience in ECU bring-up, board support package integration, and software integration activities. 

Strong Embedded C programming and debugging skills. 

Experience in root cause analysis and troubleshooting of embedded software issues. 

Hands-on experience with Infineon AURIX microcontrollers (TC3xx, TC4xx). 

Knowledge of multicore architectures and software development on AURIX platforms. 

Experience with AUTOSAR configuration tools such as EB Tresos, Vector DaVinci Configurator, or equivalent. 

Strong understanding of automotive communication protocols such as CAN, LIN, and SPI. 

Experience with software configuration management tools such as Git and Bitbucket. 

Experience with defect and change management tools such as Jira. 

Good to have 

Exposure to ISO 26262 Functional Safety projects. 

Experience with Vector CANoe and CANalyzer. 

Knowledge of automotive diagnostics and bootloader development. 

Experience with Ethernet and automotive communication stacks. 

Python scripting for automation and tooling activities. 

What We Offer 

Opportunity to work on cutting-edge automotive software programs for global customers 

Exposure to AUTOSAR Classic Platform and Infineon AURIX TC3xx/TC4xx technologies 

Collaborative and dynamic engineering environment 

Learning and development opportunities 

Technical leadership and career growth opportunities 

Requirements:

• Very good programming knowledge in C/C++
• Experience in Multi-threaded software development
• Understanding of operating systems concepts, system performance, and optimization
• Familiar with working in an Embedded Linux development environment.
• Excellent problem-solving/debugging skills, design, development, troubleshooting, and debugging
• Knowledge of embedded tools like emulators, linkers, makefiles, etc
• Experience in voice applications development, preferably on client/server platforms
• Knowledge of RTOS programming will be added advantage.
• Understanding of different processors. microcontrollers architectures.
• Familiarity with development tools such as GCC, GDB, Eclipse, GNU Make, etc

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

Responsibilities:

·        Collaborate with cross-functional teams, including hardware engineers, system architects, and product managers, to define software requirements and specifications for embedded systems.

·        Design and develop efficient, reliable, and scalable embedded software solutions that meet the defined requirements.

·        Write, test, and debug code in programming languages commonly used for embedded systems, such as C, C++, and assembly language.

·        Interface with hardware components, such as sensors, actuators, microcontrollers, and communication interfaces (UART, SPI, I2C,CAN etc.).

·        Develop and implement device drivers, firmware, and low-level software to control hardware peripherals.

·        Participate in code reviews to ensure code quality, maintainability, and adherence to coding standards.

·        Perform unit testing, integration testing, and system testing of the embedded software.

·        Analyse and optimize system performance, memory usage, and power consumption.

·        Collaborate with the quality assurance team to identify and resolve software defects.

·        Stay up-to-date with industry trends, tools, and technologies related to embedded systems and software development.

·        Document software design, code, and test procedures for internal and external use.

·        Provide technical support to other teams during product integration, testing, and deployment.

Qualifications:

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

·        Proven experience in embedded software development, including designing, coding, testing, and debugging.

·        Proficiency in programming languages such as C and C++.

·        Familiarity with Embedded C, 32-bit microcontroller,16-bit microcontroller hardware interfaces.

·        Knowledge of real-time operating systems (RTOS) and multi-threaded programming.

·        Strong problem-solving skills and ability to troubleshoot complex hardware-software interactions.

·        Excellent communication skills and the ability to work effectively in a team.

·        Familiarity with communication protocols (UART, SPI, I2C, CAN, Ethernet) is desirable.

·        Knowledge of security considerations in embedded systems is an advantage.

Location: Chennai

What You'll Do

●       Develop embedded system architecture that is efficient and scalable

●       Develop multi-device system design, envision customer interaction, and corner cases to build issue-free design

●       Develop firmware code for Interrupt driven system which interacts with Android and cloud

●       Implement function safety, protection and security in the embedded system

●       Implement predictive hardware failure features

Who You Are?

●       Passionate individual who loves to work on embedded systems. a person who likes to drive things actively rather than waiting for tasks to get assigned.

●       Strong programming capabilities

●       Understanding of electronics and hardware

●       Clear thought process, believe in simplifying rather than complicating

●       Argue and fight over the opinions. Believe in delivering the best for the users

You Should Have

●       3+ year experience in embedded system design

●       Mastery in C/C++ for embedded systems. Strong fundamentals of Microcontrollers and their common peripherals.

●       Strong basics of C/C++, memory map, compiler functionality

●       Done multiple projects during graduation/post-graduation. Participated and performed in tech competitions. 

●       Experience working with actuators like motors (DC/brushless), LED/LCD and HMI interfaces, speakers, sensors etc

●       Experience working with motor control algorithms and PID controllers

• Proficiency with Linux OS and basic bash scripting

Develop, design, and implement embedded applications.

· Prepares appropriate documentation as required by internal product development processes

· Conducts and participates in design, code and test reviews and inspections, as well as the feasibility, efficacy and compliance to functional and regulatory standards.

· Works closely with the software team, the software verification team, the functional manager and the project manager.

· Collaborates with distributed, cross-functional teams to ensure products meet quality, performance, scalability, reliability and schedule goals.

· Investigates software, hardware, and system problems using a variety of techniques and provides innovative solutions.

· Conduct and participate in reviews and inspections for all elements in the firmware lifecycle to ensure that our code quality and customer satisfaction goals are achieved

· Integrate and validate new product designs

· Provide post-production support

Skill Sets:

• B.Tech. / M.Tech. (any stream)

· Good knowledge in firmware development field with more than 3 years of experience

· Basic knowledge of software life cycle, algorithm and data structure.

· Excellent knowledge of OS, coding techniques, IP protocols, interfaces and hardware subsystems

· Adequate knowledge of reading schematics and data sheets for components.

· Ability to understand the electrical schematics and work closely with electrical team.

· Experience with Real Time Operating Systems and Embedded Linux.

· Mode of network connectivity - good idea about GSM/GPRS, Wifi, Ethernet mode of connections. TCP, MQTT, HTTP mode of connection will be a big plus

· Protocols Like UART, SPI, I2C, CAN, MODBUS, TCP/IP, USB, Bluetooth.

· Experience in modules like Wi-Fi, BLE, Lora WAN, ZIGBEE, RF etc.

· Should have experience in working with TFT and LED displays.

· Extensive experience in micro-controller/microprocessor (like ARM Cortex M, ESP32, STM Chips, NXP, BeagleBone , ESP chips, BeagleBone black, STM Chips, Atmega chips etc.)

· Familiarity with software configuration management tools, defect tracking tools, and peer review (GIT, SVN)

· History of driving project execution and timely delivery while ensuring a quality focus.

· Experience writing / interfacing with device drivers.

· Experience in Agile development processes and philosophies.

· Strong documentation and writing skills

Mandatory Skills:

· Basics of embedded system development

· Embedded C/C++

· Scripting Lang - Python

· Basics of wireless communication

· RTOS

· Strong Problem-Solving Skills

· Analytical Skills (Good Aptitude)

· Communication Skills

• Looking engineers with 3 - 4 years of experienced embedded software and embedded Linux developers
• Design and implement Embedded Linux based applications
• Design and implement embedded software for telematics and IoT products
• Code review and optimization
• Develop board support packages for new hardware designs
• Provide customization and field support
• Closely work with the hardware development team

Requirements:

• BE/BTech in ECE, EEE or CS
• 3 - 4  years of experience in embedded software and embedded Linux development
• Good working experience in Linux applications and drive development
• Good C programming skills
• Good knowledge of OS programming
• Familiarity with configuration management tools
• Good communication skills