Embedded Linux Developer

Role: Powertrain Diagnostics Engineer 

Location: Bengaluru 

Experience: 3-5 years 

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 to provided consulting and services for embedded product development and software solutions. 

Job Summary: 

The Powertrain Diagnostic Trouble Codes (DTC) Specialist having responsibilities for developing and managing the diagnostic trouble codes for powertrain systems. This role involves collaboration with cross-functional teams to ensure on-time delivery of diagnostic solutions that meet quality and regulatory standards. 

Key Responsibilities: 

• DTC Development and Management: 
• Experience in Diagnostics and Fault Management 
• Developing powertrain diagnostic strategies and DTCs, understanding of DTC Structure. 
• Ensure that diagnostic systems meet OBD I and II (On-Board Diagnostics) standards. 
• Maintain and update the DTC related Documents as new systems are developed and existing 
• systems are modified. 
• Knowledge of ISO14229. 
• Experienced programming with C/C++ 

Collaboration and Communication with Testing and Validation Team: 

• Working closely with the validation and vehicle testing teams for resolving reported issues to improve overall vehicle performance. 
• Based on testing & validate feedback: Analyzing, Diagnosing, Debugging and troubleshooting reported software issues, providing effective solutions. 
• Coordinate with software developers to ensure seamless operation and accurate reporting of DTCs. 
• Perform root cause analysis for diagnostic emissions and drivability cases. 

Documentation and Reporting: 

• Prepare comprehensive documentation for diagnostic algorithms and code functionalities. 
• Report on the performance and accuracy of diagnostic systems 

Support and Training: 

• Provide technical support to internal teams and external customers regarding diagnostic 
• systems. 
• Develop training materials and conduct training sessions 

Position: Application Software Development MBD Engineer – Motor Control Unit

Location: Bangalore

Employment Type: Contract

Experience: 4–6 Years

Industry Preference: Automotive

Reporting To: Manager – MCU Software Development

Educational Qualification: B.Tech / M.Tech in Electrical Engineering or related discipline

About the Role  

We are looking for a skilled and motivated Application Software Development MBD Engineer with strong expertise in Motor Control Unit (MCU) software development and Model-Based Design (MBD). The candidate will be responsible for developing, simulating, and implementing motor control algorithms for automotive applications using MATLAB/Simulink-based development methodologies.

  Key Responsibilities  

• Develop application software using MATLAB Model-Based Development tools including MATLAB, Simulink, Stateflow, and Embedded Coder
• Design, develop, and validate motor control algorithms for:  Induction Motors,  Permanent Magnet Motors (SPM/IPM)
• Implement motor control techniques including:  Field Oriented Control (FOC),  Sensorless Control Strategies,  V/f Control Schemes
• Implement and optimize PWM techniques such as SPWM and SVPWM
• Develop and integrate application software for Micro Control Units using:  Infineon TriCore  processors,  Texas Instruments DSPs
• Work with development environments and tools including Eclipse-based tools, TASKING, and Code Composer Studio
• Support software debugging, simulation, testing, and validation activities for automotive embedded systems

Required Skills  

• Strong experience in MATLAB, Simulink, Stateflow, and Embedded Coder / Code Generation tools
• Experience in motor control and automotive embedded systems
• Good understanding of electric motor control systems and power electronics
• Experience with embedded C programming and real-time systems
• Hands-on experience with development tools such as Eclipse-based tools, TASKING, and Code Composer Studio
• Good debugging and problem-solving skills
• Understanding of automotive software development processes is an added advantage.

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

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.

• Perform technical feasibility studies of new technologies and architectures, including evaluation of OTS cloud offering.
• Generate entire software image for the target device, including the kernel, device drivers, libraries, and application software, and the bootloader for proprietary IOT connectivity device(s).
• Software packaging with RPM building and management
• Define the process to upgrade the new Linux package to existing hardware at customer premises
• Configuration and Troubleshoot of the proprietary IOT connectivity devices for internal R&D teams during their development and verification
• Automate the creation and distribution of keys and certificates
• Understand, implement, and automate security controls for IoT connectivity devices.
• Tune server and application-level performance monitoring and alerting.
• Help define our roadmap and architecture based on technology and business needs, considering architectural issues and tradeoffs
• Understand and manage integration points with other systems that interface with your applications
• Supports development of project plans, including scope, budget, schedules, and risk management.
• Works closely with the business analysts, software development and verification team, the functional manager, and the program manager.
• Collaborate and work with global teams in multiple locations.
• Interface with Global Privacy and Security team for the IoT Gateway understand security risks and recommendations and provide solutions to mitigate the security risks

• Bachelor’s degree in Computer Networking / Computer Science / Software Engineering or a related field
• 12+ years of hands-on experience in Networking, shell scripting, and Linux internals, with a development background.
• Strong understanding of Networking concepts like VPC, Route tables, Host base router firewall, SSH, NAT, DNS, DHCP, SNMP, Virtual IPs, VPN
• Linux System Administration and Networking work experience
• Configuring Firewalls(IP tables/firewall) and security software
• Able to generate Linux packages, and configure based on business needs.
• Passion for cybersecurity. Ability to build secured Linux packages with antivirus and security patches.
• Shell, Python scripting experience
• Basic SQL skills
• Ability to work with cross-functional and remote teams. Must be able to communicate in English, both written and verbal.
• Interpersonal skills to effectively collaborate with vendors and customers.

• Experience with Agile Scrum
• Development background in Java/C++
• DevOps knowledge
• Knowledge on javascript