Senior PLC Developer

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 

The Role:

We are seeking a highly skilled Sr Embedded Software Engineer (Python & C++) to manage and improve the software development lifecycle for device firmware systems. The primary focus of this role is to ensure firmware operational reliability, fail-safe implementation, certification compliance, and robust production deployment.

This role is ideal for an engineer experienced in system-level software, firmware validation, testing automation, and production readiness — but not focused on low-level hardware design.

Experience: 6-10 years

Job Location: Hyderabad

Job Type: Permanent

CORE FOCUS AREAS

• Ensure firmware operates reliably in production environments

• Implement and validate fail-safe mechanisms and fallback logic

• Maintain certification compliance across firmware releases

• Drive robust, repeatable production deployment pipelines

• Support field debugging and OTA update validation

IDEAL CANDIDATE PROFILE

• Strong hands-on experience in Python and C++ development

• Background in system-level software and firmware validation

• Experience with testing automation and production readiness

• Comfortable working closely with embedded engineers

• Not required to have low-level hardware design expertise

KEY RESPONSIBILITIES

FIRMWARE OPERATIONAL STABILITY

• Ensure firmware operates reliably in production environments

• Implement and validate fail-safe mechanisms and fallback logic

• Monitor watchdog systems, timeout handling & safe state transitions

• Work closely with embedded engineers to validate firmware behavior

PYTHON & C++ DEVELOPMENT

• Develop firmware communication layers & device control applications

• Build diagnostic tools and test automation frameworks

• Optimize performance and memory handling in C++ applications

• Develop production-ready Python tools for deployment, logging & validation

FAIL-SAFE & SAFETY IMPLEMENTATION

• Implement safe boot validation, error recovery & redundancy logic

• Build communication retry systems & safe shutdown protocols

• Design state machines for controlled device operation

• Ensure safe-state transitions on power, comms or hardware failure

PRODUCTION DEPLOYMENT & VALIDATION

• Create secure and repeatable firmware deployment pipelines

• Implement boot image validation, signature verification & rollback

• Develop health monitoring and diagnostic utilities & CI/CD Pipelines

• Support field debugging and OTA update validation

Linux Environment

• Work in Linux-based environments for firmware development, debugging, and deployment — including shell scripting, process/service management, and system diagnostics.

• Own unit testing, integration testing & production release management

• Ensure code quality and compliance with internal standards

IoT + AI

Building the tech behind India's Reverse Vending Machines

SUCCESS METRICS

• Firmware reliability — stable, uninterrupted operation in production environments

• Fail-safe coverage — validated fallback logic, redundancy & safe-state transitions

• Linux Environment - Use Linux for development till deployment

• Deployment success rate — secure, repeatable pipelines with clean rollbacks

• Code & release quality — test coverage, code review discipline & CI/CD health

• Field performance — OTA update success and turnaround on field debugging

• Firmware Design and Development experience on different micro-controllers.
  
• C/C++ programming
  
• Linux Commands Operating System Concepts
  
• board bring up, embedded software, Kernel Build, Yocto
  
• Shell scripting Networking Concepts Openwrt OS Concepts
  
• Must have good Communication and Presentable skills.
  
• Experience on any Wifi, Bluetooth, GSM modules is a plus.
  
• Design, develop, code, test and debug system software.
  

• Firmware Design and Development experience on different micro-controllers.
  
• C/C++ programming
  
• Linux Commands Operating System Concepts
  
• board bring up, embedded software, Kernel Build, Yocto
  
• Shell scripting Networking Concepts Openwrt OS Concepts
  
• Must have good Communication and Presentable skills.
  
• Experience on any Wifi, Bluetooth, GSM modules is a plus.
  
• Design, develop, code, test and debug system software.

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

We have a very urgent requirement with our client, please go through the job details and if interested do send us your updated resume and feel free to reach me.

Role: Functions Developer (Embedded c - Algorithm / Driving Functions Development)

Location: Hyderabad

Fulltime

Job Description:

• Design and development of automotive feature/function software/components (ACC, AEB, TSR, LKA etc.) for ADAS/AD systems
• Coordination and regular interaction with different stakeholders and teams like testing, requirements, leads etc.
• Participate in SW requirement generation, SW architecture, detailed design etc.

Requirement:

• 3-7 years of experience in development of Algorithm & Functions for advance driver assist systems (ADAS), Autonomous driving (AD)
• Development experience with safety critical systems
• Experienced in development using MATLAB Simulink, TargetLink, Stateflow
• Experience in modelling and validation of control systems
• Knowledge of SIL, Performance Test, Functional testing
• Embedded software development using C, C++
• Issue management and version control
• Knowledge of ASPICE processes, Static analysis, MISRA checks etc.
• Strong written and verbal communication skills
• Proactive approach for problem solving

Good to have:

• Knowledge of ADAS/AD functions (ACC, TSR, AEB, LCA etc), Data Analysis
• Experienced in managing and authoring of function specification requirements
• Familiarity with AUTOSAR RTE

Nice to have:

• AUTOSAR, Functional Safety (ISO26262) exposure
• Scripting Knowledge - Python, MATLAB
• Working knowledge of automotive protocols like CAN, Ethernet etc.

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)

• Bachelors in Electronics & Communication or equivalent
• 6-10 yrs experience in embedded software development
• Hands-on embedded C skills (mandatory)
• Experience with any microcontrollers MCU (mandatory) – Renesas/ Infineon/ Cypress/ ST-Micro /TI / Microchip
• Experience with any of peripherals & communication protocols usage in application development (mandatory) – UART, I2C, SPI, I2S, CAN, USB, ADC, DAC, EEPROM, Flash memory
• Experience with any RTOS – FreeRTOS, Azure RTOS, ThreadX
• Experience with any networking &  connectivity modules (preferred & added advantage) – Ethernet, WiFi, BLE, MQTT, COAP
• Exposure to any IoT frameworks (desirable not mandatory) – IoTivity, AWS IoT, Azure IoT
• Experience with any device driver development, driver optimisation (desirable not mandatory)
• Good ability to read data sheets & technical manuals

• Works towards developing Stable & Efficient Firmwares for Embedded
• Responsible for developing Firmware which are Stable, Efficient and scalable.
• Responsible to create coherent and scalable architecture designs.
• Responsible for understanding and utilizing best BLE / IOT
• Responsible for understanding various RTOS design principles.
• Qualification: B.E. / B.Tech / M.C.A. in Computer Sciences.
• Must Proficient in Embedded C, C++, BLE, Zephyr RTOS, nRF.
• Ready to work from home.
• Should have above 4 years of experience.

Xfinito is building a portfolio in new product innovation, product contribution and infrastructure goals while providing individuals and teams the freedom to emphasize specific types of work.

Our work focuses on real –world problems that span the breadth of biomedical engineering, embedded systems, computer science, such as machine and deep learning, data mining, natural language processing, hardware and software performance analysis and much more.

JOB ROLE: EMBEDDED SOFTWARE ENGINEER

ROLES AND RESPONSIBILITIES:

• Work with Hardware, Systems and other multi-functional teams and deliver high quality software at fundamental layer of operating system including frameworks, daemons, drivers.
• You need to keep security and performance in mind, enable key features to improve privacy and prevent fraudulence
• The position requires high level thinking to design code solutions along with low level programming and excellent communications and leadership skills, with the ability to work in a fast paced environment.

RESPONSIBILITIES:

• Rich experience of programming on cryptography
• Profound understanding on Operating System concept
• Highly self-motivated and capable of work and finish tasks alone
• Comfortable and adaptable in a fast-paced environment
• Fluent in both oral and written English
• Strong communication and interpersonal skills; excellent judgment

EXPERIENCE:

• We as a team are looking for freshers or young professionals with 0-4 years of experience having a a self-directed, proactive approach to tackling problems and working through impediment and an ability to generate trust and build alliances with co-workers.