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

Basic Qualification: BE / Btech Computer Science

Desirable Skills:

1.Software development using Embedded C, C++ with programming standards (MISRA)

2.Knowledge of bus systems, which are used in the automotive industry, like CAN, LIN, I2C, SPI, etc)

3.Software development processes –A-SPICE V-cycle

4.Experience with development of control units for the automotive industry, especially experience with the development based on AUTOSTAR basic software.

5. Experience in the automotive industry according to common development and parameterization tools (i.e. Vector CANoe).

6.Knowledge of standards for safety-critical software (ISO 26262) is a plus.

Primary skills:

At least 3+ years of working experience on embedded firmware development

- Experience in multithreaded programming, network programming (wired and wireless protocols), real-time programming, cross-platform and cross-language development

- Hands-on experience on driver development for various sensors

- Working knowledge of communication protocols like UART, I2C, SPI, USB, Ethernet, etc

- Product development experience with range of microcontroller/microprocessor architectures, adoption of bare-metal, RTOS and Linux operating systems on new platforms

-Hands-on experience on software development in Bluetooth domain is added advantage

- Experience with hardware lab equipment such as digital scope, logic analyser and JTAG

- Understanding of embedded development constraints and system performance

- Experience with programming in C/C++ and Embedded C

● Write Effective Codes In C++, Develop Software For Embedded Systems Based On STM32, NRF
● Support And Improve Existing Software
● Prepare Documentation For The Created Software. Qualifications
● Confident Knowledge Of C++ 17, Object-Oriented Programming, Embedded Software Development
● Proficiency With Microcontrollers Of The STM32 And / Or NRF Series
● Experience With RTOS
● Familiarity With Git, Linux
● Technical English
● Knowledge Of Python As An Advantage
● Any Experience With UAS \ UAV \ Drones is much appreciated

About Apexon:

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. For over 17 years, Apexon has been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving our clients’ toughest technology problems, and a commitment to continuous improvement. We focus on three broad areas of digital services: User Experience (UI/UX, Commerce); Engineering (QE/Automation, Cloud, Product/Platform); and Data (Foundation, Analytics, and AI/ML), and have deep expertise in BFSI, healthcare, and life sciences.

Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.

To know more about us please visit:  https://www.apexon.com/" target="_blank">https://www.apexon.com/

Desired Candidate profile:

• 5+ years of Embedded/Linux SW Development relevant Experience in Embedded C++. 
• Expert knowledge in writing software for embedded Systems (Embedded C++ language).
• Experience on OTA would be an added advantage
• Work experience in software development on bare metal, RTOS or Internal Linux. 
• Work experience in developing firmware for 8/16/32 bit microcontrollers (ARM, RISC etc)
• Good understanding w.r.t usage of 1. RTOS like MQX. 
• Bootloader and software update concepts. 
• Communication protocols like TCP/IP,MQTT. 
• Socket programming in Linux environment. 
• Good knowledge on protocols like (RS485, SPI, I2C, ADCs, CAN, LIN) 
• Knowledge of Blue-tooth communication protocols for BLE 4.2/5.1. 
• Proficient in the use of embedded SW Development tool chain (Flash/ debug tool chain, IDE). 
• Version Control Systems –GIT 
• Should have detailed knowledge on microcontrollers/microprocessors 
• Experience in scripting languages like Shell / CAPL / Make/Python etc. 
• Experience in using tools like Logiscope / Function Generator / Oscilloscope, etc. 
• Good knowledge in reading schematics and datasheets. 
• Excellent analytical skills and problem-solving skills. 
• Strong communication and interpersonal skills. 
• Must be a self-starter. 
• Ability to work as part of a dedicated project team and independently 

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)

Job Description

Embedded Software/Firmware Design and Development on OS/Non-OS based platform

Necessary system architecture development and implementation

Device, sensor and gateway selection and integration based on industry use case.

Development on Image Analytics and Cloud/Platform integration

Development or integration of Cloud/Platform communication protocol

Technical Documentation and Testing of the developed system

Desired Skills, Knowledge& Experience

B. Tech/M. Tech/MCA with 8-10 years of industry experience

Strong programming skills in C/C++ and Python development in Linux

Experience in device or sensor communication interfaces (wired/wireless, short range/long range).

Experience of microcontroller and microprocessor.

Knowledge of IoT gateway firmware development, container, and OS hardening.

Experience in device communication protocol, Edge computing and processing

Competent in application development for Image processing, transmission, and storage

Good understanding and of programming primitives, data structures, multi-threading and memory management techniques

Strong command over complex sensor and hardware control logic to work seamlessly with edge devices or gateway

Proactive and Self motivated

Strong verbal and written communication skill

• 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.

DUTIES & RESPONSIBILITIES 

• Own & lead full cycle development: design, implementation, testing & debugging for an automotive product.
• Create conceptual system designs, assess risks, conduct design trade studies, and develop a product that meets feature requirements for integrating sensor, processing and software systems. 
• Lead innovative system development projects with responsibility for achievement of cost, schedule, and technical requirements, with an eye toward technology maturation, transition, and follow on work. 
• Generate comprehensive engineering documentation.
• Responsible for end-to-end system firmware development to include power management, boot loaders, scheduling, RTOS and /or bare metal implementations.
• Troubleshoot and resolve complex software problems in embedded real-time systems.
• Source code development, review & maintenance (C/C++).
• Dive into & take ownership of critical design issues.
• Analyse & propose solutions for performance bottlenecks.
• Address all aspects of technology readiness, including manufacturability. 
• Help build robust methodology and processes to deliver the technology to products. 

REQUIRED SKILLS & EXPERIENCE 

• Experience in embedded architecture, external interfaces, product constraints, along with ability to develop architectures / features that meet these constraints while providing new value for the platform. 
• Experience in system architecture, operating system, device architecture, hardware design.
• Strong background in software methodology & full cycle development (Design, implementation, testing & debugging).
• Expertise in embedded microcontrollers’ architecture.
• Expertise in software designing and programming in C/C++ is a must.
• Algorithm modelling, benchmarking, implementation & digital signal processing.
• Understanding of hardware & software co-verification & emulation platforms
• Experience in understanding hardware, clock-level issues, bridges, delays, interrupts, clock gating, polling etc. 
• Experience with lab instrumentation like oscilloscope, logic/ protocol for debugging embedded systems at HW level. 
• Bachelors | Masters degree in Computer Science or Electronics &  Communication engineering with 2-5 years of relevant experience is a must.