Firmware Embedded Developer

Role: Senior PLC Developer

Location: Pune

Experience: 3-7 years

About company:

Requisimus is Germany headquartered, IT consulting and service organization. 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.

Job Summary

We are seeking a skilled and proactive PLC engineer with good aptitude in programming.

Candidate should be flexible to work on PLC and eager to learn Embedded software in future.

Key Responsibilities:

• Strong PLC programming skills in Functional Block Diagram, Ladder Programming, Structured Text and SFC

• Good knowledge of UML diagrams

• Good understanding of Communication protocols over Ethernet.

Good to have:

• Good Communication Skills and Exposure to international customer.

• Experience or knowledge in Software version control tools eg. Git, SVN, etc.

• Eager to learn Embedded C, Firmware development, etc.

• Providing solutions to issues related to the connection of networks and platforms

MANDATORY CRITERIA:

• Education: B.Tech / M.Tech in ECE / CSE / IT
• Experience: 10–12 years in hardware board design, system hardware engineering, and full product deployment cycles
• Proven expertise in digital, analog, and power electronic circuit analysis & design
• Strong hands-on experience designing boards with SoCs, FPGAs, CPLDs, and MPSoC architectures
• Deep understanding of signal integrity, EMI/EMC, and high-speed design considerations
• Must have successfully completed at least two hardware product development cycles from high-level design to final deployment
• Ability to independently handle schematic design, design analysis (DC drop, SI), and cross-team design reviews
• Experience in sourcing & procurement of electronic components, PCBs, and mechanical parts for embedded/IoT/industrial hardware
• Strong experience in board bring-up, debugging, issue investigation, and cross-functional triage with firmware/software teams
• Expertise in hardware validation, test planning, test execution, equipment selection, debugging, and report preparation
• Proficiency in Cadence Allegro or Altium EDA tools (mandatory)
• Experience coordinating with layout, mechanical, SI, EMC, manufacturing, and supply chain teams
• Strong understanding of manufacturing services, production pricing models, supply chain, and logistics for electronics/electromechanical components

DESCRIPTION:

COMPANY OVERVIEW:

The company is a semiconductor and embedded system design company with a focus on Embedded, Turnkey ASICs, Mixed Signal IP, Semiconductor & Product Engineering and IoT solutions catering to Aerospace & Defence, Consumer Electronics, Automotive, Medical and Networking & Telecommunications.

REQUIRED SKILLS:

• Extensive experience in hardware board designs and towards multiple product field deployment cycles.
• Strong foundation and expertise in analyzing digital, Analog and power electronic circuits.
• Proficient with SoC, FPGAs, CPLD and MPSOC architecture-based board designs.
• Knowledgeable in signal integrity, EMI/EMC concepts for digital and power electronics.
• Completed at least two project from high-level design to final product level deployment.
• Capable of independently managing product’s schematic, design analysis DC Drop, Signal Integrity, and coordinating reviews with peer of layout, mechanical, SI, and EMC teams.
• Sourcing and procurement of electronic components, PCBs, and mechanical parts for cutting-edge IoT, embedded, and industrial product development.
• Experienced in board bring-up, issue investigation, and triage in collaboration with firmware and software teams.
• Skilled in preparing hardware design documentation, validation test planning, identifying necessary test equipment, test development, execution, debugging, and report preparation.
• Effective communication and interpersonal skills for collaborative work with cross-functional teams, including post-silicon bench validation, BIOS, and driver development/QA.
• Hands-on experience with Cadence Allegro/Altium EDA tools is essential.
• Familiarity with programming and scripting languages like Python and Perl, and experience in test automation is advantageous.
• Should have excellent exposure with coordination of Manufacturing Services, pricing model for production value supply chain & Logistics in electronics and electromechanical components domain.

    Requirement analysis

·         Acquisition support (Technical analysis)

·         Automotive ECU software development

·         Diagnostic (UDS) function development

·         Software testing

·         Technical collaboration with internal/external development parties

* Experience in C/C++ and have strong experience embedded application development and integration in Linux

* Good in creating unit tests, performing code reviews, optimizing performance and ensuring standards for maintainability  

* Debugging, profiling, and performance optimization skills

Developer Software (Embedded)

Location: Udaipur

Qualification: BE in (Electrical/Electronic Engineering)

Technical

· Experience in design and development with structured Software Development Life Cycle for embedded applications

· Proficiency in C language or assembly programming, Microcontroller, Micro Processor.

· Preferably experience in working and understanding the metering domain

· Proficiency in development processes, tools/IDE (KEIL, IAR, Eclipse) & test automation

· Unit testing skill

· Interface RS485, RS232, SPI, I2C, USB, LCD, Keypad, Flash, EEPROM

· Coding Standards and MISRA rules are preferable

· Knowledge of ARM / MIPS / Coldfire / MSP430 / dsPIC / 8051 and other popular processor

· Experience in working on communication products based on GPRS, ZIGBEE, ZWAVE, Ethernet, Power line communication, DLMS, MODBUS

Job Description

· Understand improvement requirements and develop improvement solutions & package, according to technical specifications / high-level solution design

· Responsible to carry out effective and timely unit testing, in order to, deliver first time right solutions

· Development of automation framework/compiler / emulators to speed up business delivery cycle in NPI programs

· Keep track of new trends, continuously learn and self-develop skills by ensuring effective knowledge sharing through group meetings and training. Impart training to new joiners as and when assigned

· Proficiency in developing embedded software design with high reusability using relevant tools and BSM or flow diagram

You would be part of:

1. Designing/Improvement of new/existing architectures of distributed computing with subcomponents of Unmanned Aerial Systems (UAS).
2. Working/Researching with industrial state of the art sensor systems and modules, and developing drivers (HAL or wrapper) and applications around their usage.
3. Design and implementation of communication protocols between different subcomponents of UAS for distributed computing.
4. Writing Applications and Drivers from the scratch for (embedded)linux based systems.
5. Scripting and automations around work flows of UAS usage.
6. Working with existing sophisticated software stacks of subcomponents of UASs.
7. Working closely with electronics, design and systems teams for architecture development and deployment.
8. Working closely with Flight Controller engineers to do collaborative development of UAVs.

We expect you to be:

1. Experienced in hands-on development of complex embedded systems involving multiple microcontrollers or SoCs.
2. Very good in analytical abilities to be able to do core research and development activities.
3. Able to write low level drivers (wrapper or core) from the scratch.
4. Very comfortable reading and understanding datasheets and reference manuals of microcontrollers, peripherals, sensors etc.
5. Able to understand existing complex embedded software stack written in C/C++.
6. Solid in C.
7. Good in C++.
8. Comfortable with using hardware debuggers.
9. Having Hands-On experience with RTOS concepts like scheduling, threads synchronicity , race conditions etc.
10. Having Solid understanding of interrupt mechanisms.
11. Experienced in working with different hardware protocols like SPI, I2C, UART, PWM, CAN, USB etc.
12. Having Solid understanding of interrupts architecture of ARM based microcontrollers like STM32, LPC etc.
13. Having Good understanding of the concept of bootloaders.
14. Able to multitask.
15. A self-motivated and motivating personality who can work well independently as well as part of a team
16. Having good interpersonal and soft skills who can adapt to the work environment while manifesting a good positive attitude

You are awesome if you are:

1. Experienced in Linux Device Driver development.
2. Having good exposure of working on and understanding of any sensor modules like GPS, LIDAR etc.
3. Experienced in data filtering techniques (Example: Kalman filter)

• 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