Embedded Linux Software 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.

Responsibilities:

• Software Development with C++ for Autonomous drive project.
• QT Library (no GUI features)
• Object Oriented Analysis / Object Oriented Design
• C++ Template implementation
• C++17 specifics like “std::optional”
• Macro implementation
• Implementation of Clean Code
• Static Code Analysis
• CMake

Qualifications:

•  Excellent GIT knowledge especially how to merge, Rebase
•  University degree in Electrical/Electronic engineering, Computer Science or similar
• Minimum 1 to 5 years of embedded software development experience on Yocto Linux based projects in automotive domain
• Expert in C++ programming
• Strong debugging skills
• Good communication skills

JD For Embedded C Engineer requirements :

Mandatory Skillsets are as below :

1. Embedded SW development background

2. Embedded C/C++/

3. Hands-on experience in RTOS Programming.

4. Working knowledge of SDLC and methodologies/tools for requirement management.

5. Experience working in an agile development environment.

• 32-bit Microcontroller knowledge is essential (ARM Cortex based micro-controllers (STM32).
• Esp32 architecture knowledge is essential.
• Strong experience in C, C++, Free-RTOS
• Strong experience in CUBEMX IDE, MDK Version 5 – Keil, Arduino IDE environment
• Good knowledge in HW and communication protocols like CAN, SPI, UART, I2C, USB 
• Good knowledge in TFT Displays and Sensors is added advantage
• Good knowledge of implementation of motor controls as required, pulse width modulation schemes (PWM).
• Good knowledge of power electronics (TRIACs, MOSFETs, IGBTs, gate drivers) and require protections (Over/under voltage/current).
• Document firmware designs, specifications, test plans, revisions and produce test reports

• 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

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.

• 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.