IoT Engineer

Seize an exceptional opportunity at Himachal’s leading R&D Tech company, with over seven years of establishment and recognized as one of the fastest-growing tech firms in the Himachal-Tricity region. As a proud participant in the Make in India initiative and a strong advocate for the 'Vocal for Local' movement, Vihaas is managed by local professionals. We are dedicated to innovation and excellence in technology development, fostering a unique, hierarchy-free environment that promotes creativity and collaboration.

Job Summary

Vihaas Design Technologies is seeking an experienced Embedded Developer with a focus on microcontroller-based systems for telecommunications applications. As part of our team, you will design, develop, and maintain embedded systems that integrate seamlessly with our advanced communication solutions.

Responsibilities

• Develop and optimize embedded firmware for microcontrollers, ensuring efficient performance and low power consumption.
• Write clean and maintainable C/C++ code for low-level microcontroller programming and peripheral interfacing.
• Implement drivers and manage communication between microcontrollers and external devices via I2C, SPI, UART, CAN, and other protocols.
• Integrate microcontrollers with sensors, actuators, and modules, ensuring smooth hardware-software interaction.
• Debug and troubleshoot using tools like oscilloscopes, and logic analyzers, resolving issues in hardware-software integration.
• Collaborate with hardware teams, optimizing firmware for resource and power efficiency in battery-powered devices.
• Work with RTOS or bare-metal systems as needed, ensuring real-time performance in embedded applications.
• Maintain code integrity through Git, manage repositories, and write comprehensive documentation for firmware architecture.
• Provide post-deployment support, including firmware updates and system integration.

Qualifications

• 3-4 years in embedded development focused on microcontroller systems.
• Proficient in C/C++ with experience in low-level programming and peripheral management.
• Solid understanding of microcontroller architectures (e.g., MSC-51, STM ARM Cortex-M, AVR, PIC) and peripheral interfaces (e.g., GPIO, ADC, DAC, PWM, Timers).
• Hands-on with communication protocols like I2C, SPI, UART, CAN, and real-time performance with RTOS or bare-metal systems.
• Strong debugging skills using hardware tools (oscilloscopes and logic analyzers).
• Knowledge of low-power design and firmware optimization for energy-efficient systems.

Note: Candidates should be prepared for an on-site interview upon selection.

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

Skill Required

          Technical

• ●  The suitable candidate shall have most of the following knowledge /skills/experience:

• ●  Clear fundamentals of Analog and Digital Electronics. Knowledge of Full Hardware

• Design Life Cycle.

• ●  Knowledge of Circuit Simulation (PSPICE, NI Multisim, etc).

• ●  Hand- On experience with HW designing rules, PCB Layout in Cadsoft Eagle/Altium Designer etc.

• ●  Should have knowledge & experience with designing & developing 8/16 bit Microcontroller based close loop control systems and Arduino Platform.

• ●  Circuit building and Circuit Analysis Skills.

• ●  Component Data Sheet analysis skills.

• ●  Project Requirement Analysis Protocols/Ethernet, Wi-Fi, USB, Serial interfaces(SPI, I2C, RS485, RS422, RS232).

• ●  Hands-on experience in utilizing test equipment like DMM, Oscilloscopes, Logic Analyzers, Function/Signal generator/Solder Station (SMD/DIP).

• ●  Knowledge about Board Bring Up process.

• ●  Testing (Integration testing, protocol/Driver testing, etc.).

• ●  Experience in Embedded C programming and embedded system integration and can develop test cases for the same.

• ●  Knowledge of IoT Open Source Programming / Development.

• ●  Candidate will be responsible for research & development of M2M/IoT products.

• ●  Candidate will be responsible for end-to-end embedded system integration.

   

• Others

  Abilities on the following shall be of added advantage:

• ●  Component Procurement

• ●  Vendor Interaction

• ●  Tools Management

• ●  Costing and resource estimation

• ●  Team management, Good Communication Skills, Pleasant Personality, Positive Attitude & Highly Creative

•  

• Decision level
  Contributory: Makes major contribution to decision or policy judgment on Technical matters of IoT/ M2M Projects, Vending Machines

  Demonstrate (Key competencies)

  Healthy knowledge of most of the following:

• ●  Embedded C

• ●  8/16 bit Microcontrollers

• ●  Atmel Studio/ Arduino IDE

• ●  Schematic / PCB layout design in Cadsoft Eagle / Altium Designer (SMD/DIP)

• ●  Hands-on experience on Test equipment and solder stations (SMD/DIP)

• ●  M2M / IoT based development

Responsibilities and Duties
The team leader will be leading a team of Hardware engineers, firmware and testing engineers. Being a team leader, you will primarily be responsible for fast and accurate delivery from the team which might even include handholding of team members whenever needed. Embedded team would be responsible for the following:
Hardware Design including

• Circuit design as per design requirements
• Schematic capture in the tool
• CAD layout
• QA/QC/functional testing
• PCB assembling and rework
• Lab inventory management
• Component procurement.

Firmware Design Including

• Firmware Design and architect
• Software Development
• Firmware Testing
• Code management over svn

Other Responsibilities

• The team leader would also be responsible for architecting the system, creating detailed design documents as per requirement and maintaining quality control of all the deliverables.
• The team leader would also be required to create a detailed test plan and list of test cases to be executed and if needed, create proper environment for the same.
• Ownership of the ‘ground up’ design and architecture of embedded software for real time applications.
• Decomposition of designs in to structured modules/functions ready for implementationby yourself and the team.
• Hands on development in C of new ARM based embedded software for a range of products currently under development
• Ensure quality of software using appropriate methods(Code Review, Static Analysis, Unit Test etc.) and application of suitable Coding Standards
• Maintain, update and enhance existing embedded software written in C
• Documentation of software products, development and execution of test plans
• Work closely with other members of the engineering team to assist with the correct choice of processors and supporting hardware

Required Experience, Skills and Qualifications

• Experience of 8+ years in field of embedded systems designing and developement.
• Familiar with usage of various LAB instruments.
• Strong fundamentals of electronics (Digital and analog) are must.
• Well versed with circuit designing and HW debugging
• Analog and Digital Circuit designing: familiarity with micro-controllers, memories, communication interfaces, op-amps, comparators, relays, inductors and capacitors, Handling EMI and Noise issues associated with circuits.
• Understanding of BLE protocols will be required.
• Understanding of scientific methodologies of experimentation, data-gathering and interpretation and hypothesis.
• Understanding of basic architecture, debugging of sensors.
• Experienced in embedded-C coding, memory allocations.
• Experience with any RTOS designing preferably with FreeRTOS at least with Semaphores, SW Timers, synchronisation and event handlings, task handling and prioritization.
• Understanding of micro-controller architecture, programming and debugging methodologies, interrupt-handling.
• Experience with any of the IDEs and debuggers for ARM architecture.
• Basic understanding of assembly programing of ARM architecture
• Understanding of basic peripherals like UART, CAN, I2C, Timers, Counters, PWMs, ADCs, DAC.
• Experience/knowledge in IoT devices (sensor, gateway, cloud) handling.
• Familiarity with CAD tools for schematics and layout generation.
• Experience on MS-Office.
• Familiarity in understanding and creating various test plans and documents.

General Skills Needed/ Requirements:

• Strong knowledge of components and should be able to suggest the team with right componenet
• Candidate must have a knack to use his/her technical knowledge to give it back to society.
• Candidates passionate to bring a change in society will be preferred with no compromise on pay check.
• Candidates must be open to work with communities to get feedback on product features so that products are best fit for social upliftment.
• Candidates must be open to travel to needy communities and should not hesitate to get his/her hands dirty to bring a change to the communities.
• Candidates must find associated with the cause and mission of the company.
• Open to work in open startup culture and give his/her 100%.
• Analytical reasoning and fact-based brainstorming capabilities will be highly preferred.
• Ready to relocate to Gurugram.
• Occasional field visits.

Job Description:

WLAN Linux Device Driver development (802.11ax preferred)

• WLAN Debugging
• WLAN Firmware development (802.11ac, 802.11n)
• Networking/Wireless Domain knowledge
• Hostapd, Supplicant
• Cross compiling/porting experience
• Performance optimization & Firmware enhancements

Must have Skills:

• 1-10 years of experience in Embedded Software Design, Implementation and testing
• Good knowledge of C or C++
• Basic knowledge in Scripting (Shell, Perl or Python)
• Proficiency in Problem Solving and Debugging skills
• Excellent team working skills
• Experience with version control e.g. GIT
• Basic experience of working in Linux OS
• Network Drivers
• WLAN Protocol Knowledge – 11n, 11ac
• WLAN Linux Device Drivers
• Hostpad, Supplicant
• WLAN Debugging
• Fluent in English

Desired Candidate Details:

• Design, development, and maintenance
• WLAN Stack development and debugging
• Feature Enhancements, Applications, Tools for SDKs
• Basic module level unit testing, System testing
• Providing support to technical documentation team and field application engineers
• Close collaboration with the Chipset Vendor on the Software Development
• Participations in the Product design and Software Design Documentation – High level / Module level / Low level design
• Troubleshooting software and architectural issues

We are looking for a seasoned Wireless LAN Software Engineer to join our Wireless & Networking team in Chennai, Pollachi, Kochi (Cochin), Gurugram, Manesar, Bengaluru (Bangalore). The candidate must be an experienced Engineer and a good team player, who will work on Wireless software solutions which will enable us to develop the products for our customers quickly with industry leading quality. Working with Embedded Software in agile development projects, you will be responsible for creating and maintaining software of Wireless Access Point and Router Products including Module design, Development, JIRA Updates and Unit testing of the Software that is meeting industry standards, creating demos of the solution and customer support.

• Looking for engineers with one of the below requirements:
• 3+ years of embedded development experience in a Linux environment