Linux BSP/ Device Driver

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 

 

2 to 7 yrs Experience in C or CPP or Embedded C, Experience in baremetal or FreeRTOS and Linux based systems, Experience in programming the peripherals like UART, RS485, CAN, PCIe, SPI, I2C. Development of bear metal drivers,Experienced with ARM, x86 and RISCv controllers is a plus

• Perform analysis, design and implementation of assigned projects using sound engineering principles and adhering to business standards, practices, processes, and product / program requirements
• Engage with global teams to effectively translate customer requirements to software requirements and identify potential solutions that are optimized to operate with in constraints of the product
• Troubleshoot variety of complex software problems
• Provide timely status updates and proactive communications on issues to the stakeholders.
• Able to interface with internal and external stake holders regarding software issues.
• Contribute as part of teams put together to meet overall organization initiatives/objectives
• As a technical lead,

1. Guide team efforts towards successful deliverables.
2. Provide technical leadership to teammates through coaching and mentorship.
3. Able to effectively manage escalations and operate under crisis
4. Have the ability and willingness to acquire in-depth understanding of domain and existing products (beyond software) and apply that knowledge to develop new products and to deliver enhancements/ fixes for customer requirements.
   
   

• Background in Industrial Automation
• Prior experience in supervisory control systems software
• Bachelor of Engineering degree in Computer Science/Information Science/Electronics/Electrical/Instrumentation with strong back ground in Industrial automation software
• Strong C, C+ programming on variety of Windows platforms using Microsoft technologies
• Sound knowledge of Computer Science fundamentals data structures, algorithms, operating system concepts
• Excellent analytical skills, methodical problem-solving skills and troubleshooting skills
• Prior experience of working in global teams and interfacing with multiple stake holders
• Excellent communication skills (verbal and written) and the ability to interact with extended teams spread across the globe.

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.

You’ll be our: Firmware Engineer

You’ll be based at: IBC Knowledge Park, Bengaluru

You’ll be Aligned with: Embedded Manager

You’ll be a member of: Vehicle Software

 

What you’ll do at Ather:

A successful candidate is expected to lead the Firmware development and integration effort for various Ather products and be responsible for qualifying and integrating FW at various stages with HW. Responsibilities include:

• Understanding requirements from different stakeholders and translating these to application features

• Writing high quality source code to program complete applications within deadlines

• Unit-testing code for robustness, including edge cases, usability, and general reliability

• Performing functional and non-functional testing

• Troubleshooting and debugging applications

• Designing creative prototypes according to specifications

• Evaluating existing applications to reprogram, update and add new features

• Developing technical documents and handbooks to accurately represent application design and code

• Identifying and communicating possible risks along with preventive and corrective measures

• Designing HW/SW integration while working with HW/Algorithms/Cloud teams to deliver an integrated solution. 

Here’s what we are looking for: 

Must have: 

• ECU Software development experience (any of the ARM based Auto ECUs Body Electronics/Infotainment/ Powertrain/Cluster) 

• Previous experience with Low level firmware, Boot loaders, Device Drivers development 

• Hands on Experience Communication Protocols CAN, I2C, SPI, RS232

• Experience with static analyser, JTAG tools etc…

• Knowledge in Assembly and compilers

• Strong testing & debugging skills, experience with logic analysers

• Language: C, C++

Nice to have:

• Knowledge of HW design for ECUs

• Experience with UDS, AutoSAR, ISO26262, MISRA Guidelines 

• Previous experience with SIL and HIL Testing as well as Test case generation for the same.

• Hand on experience in using CAN tools & CAPL Scripts, Bus Master

• Real Time operating Systems, Python, Matlab/Simulink

You bring to Ather:

• BE/B.tech/B.Sc is minimum req with minimum 2-6 years of prior industry experience.

 

8+ years of experience  Excellent skills in C/C++/Java programming in embedded domain 

Strong experience  in the area of Automotive, Android Embedded development and Connectivity Technologies
Strong experience on Android architecture, HAL, BSP, customize driver in Android HAL, Android boot up sequence
Familiar with Android Build System and procedure and able to provide ideas to improve continuous build and integration

Experience in Hardware peripherals like Ethernet, CAN, DMA, I2C, SPI, UART, Hardware Accelerator, AFE , LCD, backlight, touchcontroller

Experience with design/ modification to Hardware Abstraction Libraries (HAL) for Android support of low-level device features.
Experience in debugging on a wide range of Linux Kernel drivers and Android framework HALs e.g. Audio/Video, USB, Bluetooth, WiFi

 

  Fluent in industry standard software development tools: HSW/HE debuggers, code revision control systems (GIT, Perforce), IDEs and build tools
Exposure/experience in Automotive Embedded Software Development is a plus

 

Shall be strong in Software Architecture and design principles.
o Acceptance criteria: Shall have working experience in creating architectures for at least
4 projects.

 Shall be strong in Object-Oriented Design and Thinking.
 Shall be strong in documenting software architecture and communicating the same using UML.
 Shall be strong in decomposing larger system into smaller units with clear implementation
dependencies marked for planning.
 Shall be strong in effort estimation techniques.
 Shall possess strong Problem Solving and Analytical Skills.
 Shall be strong in C or C++ programing language experience.
 Shall possess good understanding of either Linux or QNX or Android Operating Systems
 Shall have a strong experience in developing software using in POSIX APIs.
 Shall have a strong understanding on Networking, socket programming and working experience
in at least one of the IPC Frameworks like DBUS, SOME/IP, Binders etc.
 Working experience with test framework and automation projects such as Robot Framework.
 Knowledge on various software licenses and their compatibilities.
 Shall posses strong knowledge in bootloaders, system startup, power management, persistency
management, health management and diagnostics framework for automotive systems.
 Shall have a good knowledge on Functional Safety.
 Shall have a good understanding hardware and processor internals.

Nice to haves:
 Knowledge or working experience in AUTOSAR and / or Adaptive Autosar.

 Understanding of GNU/Linux and its device driver framework.
 Knowledge in “Secure Programming Techniques” is a plus.
 Understanding in ARM Trusted Frameworks, Bootloaders & Virtualization Solutions is a plus.
 Involvement in open-source projects in the past is a plus.
 Knowledge in Package management and installers.

i. Middle water and application development On C,C++ for interview power PC platform desired ii. Familiarity with sticker, serial programming, cross compiler, os peeing, debugging iii. Pthread, thread scheduling, priority management, memory protection, thread synch techniques I've. Software static and dynamic analysis desired v. MISRA C, DO254 vi. HMI development on QT Creator 5.4 vii. VxWorks and Linux