Senior BLE Firmware Software Engineer
About Company
https://espressif.com/">Espressif Systems (688018) is a public multinational, fabless semiconductor company established in 2008, with headquarters in Shanghai and offices in Greater China, India and Europe. We have a passionate team of engineers and scientists from all over the world, focused on developing cutting-edge WiFi-and-Bluetooth, low-power IoT solutions. We have created the popular ESP8266 and ESP32 series of chips, modules and development boards. By leveraging wireless computing, we provide green, versatile and cost-effective chipsets. We have always been committed to offering IoT solutions that are secure, robust and power-efficient. By open-sourcing our technology, we aim to enable developers to use Espressif’s technology globally and build smart connected devices. In July 2019, Espressif made its Initial Public Offering on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE).
Espressif has opened a Technology Center in Pune (Baner), India, which will focus on embedded software engineering and IoT solutions development for our growing customers.
About the Role
Espressif is looking for Embedded Software Engineers to join the software department located in India. You will work in a diverse team where your colleagues are from Czech, Russia, India, Australia and so forth. Here, you get a chance to be a member of the core team in Espressif and work with talented engineers from all over the world.
The BLE Firmware Development Team is now focused on the development of the Bluetooth 5.x standard and BLE Mesh standard.
BLE FW Team is looking for a self-starting, high-technical, energetic individual with keen attention to details. The Candidate will be actively involved in:
- Development of Bluetooth Low Energy (BLE) Firmware for Espressif Bluetooth chips.
- Development of new firmware for BLE latest specification (BLE 5.x, BLE Mesh, etc).
- Development of BLE chip validation and Bluetooth Qualification.
- Research of cutting-edge and challenging Bluetooth technologies (BLE Audio, BLE Direction Finding, Next-Generation BLE Chip, etc).
- Supporting the existing firmware through feature additions, enhancements and maintenance.
- Working with systems team and cross-functional teams to deliver quality software following well-established software development processes.
- Resolving issues as reported by internal test teams as well as customers.
Requirements
Required skills
- Bachlor's degree or above in Electronic Engineering, Communications Engineering, Automation or other related majors
- Familiarity with Bluetooth Low Energy (BLE) protocol or BLE Mesh protocol
- Proven experience in developing BLE stack / firmware (2+ years, both BLE host and controller) or BLE Mesh stack (2+ years)
- Experience with software engineering processes and the full software development lifecycle including requirements, design, implementation, testing, and documenting in Continuous Integration environment
- Strong experience and proficiency in C programming (3+ years) for embedded platforms required
- Excellent problem solving and debugging skills
Bonus point
- Experience in developing BLE profiles and BLE applications (e.g. HID, ANCS, Homekit, etc)
- Good understanding of other networking protocol stacks is highly desired (e.g. Zigbee, IEEE 802.11, UWB, Lora, NB-IoT, etc)
- Strong Real-time systems and software engineering skills required (e.g. FreeRTOS, etc)
- One or more scripting languages (e.g. Python, etc)
- Experience with variety of software productivity tools (e.g. Git, Jira, etc)
What to expect from our interview process
- The first step is to email your resume or apply to the relevant open position, along with a sample of something you have worked on such as a public GitHub repo or side project etc.
- Next, post shortlisting your profile recruiter will get in touch with you via a mechanism that works for you e.g. via email, phone. This will be a short chat to learn more about your background and interests, to share more about the job and Espressif, and to answer any initial questions you have.
- Successful candidates will then be invited for 2 to 3 rounds of technical interview as per previous round feedback.
- Finally, Successful candidates will have interview with HR.
What you offer us
- Ability to provide technical solutions, support that fosters collaboration and innovation.
- Ability to balance a variety of technical needs and priorities according to Espressif’s growing needs.
What we offer
- An open minded, collaboration culture of enthusiastic technologist.
- Competitive salary
- 100% company paid medical/dental/vision/life coverage
- Frequent trainings by experienced colleagues and chances to take international trips, attend exhibitions, technical meetups and seminars.
About Espressif Systems India Pvt Ltd
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• Expert at object-oriented programming
• Modular programming
• C / C++ / JavaScript / Python
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• Target deployment techniques
• IoT framework
• Test framework
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• Having AI / ML knowledge in applications
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Benison Technologies was started in 2011 with a mission to revolutionize the silicon industry in India, with a host of amazing big clients like Google, Cisco, McAfee, Intel, and so on, you get to experience the best of both worlds. If you consider yourself an engineer who is capable to join our ever-growing team, then this is the right opportunity for you:
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Benison Tech has a consistent history of demonstrating growth through innovation time and again.
We don’t stop there, we then re-invest our profits back into the initiatives for the growth of our people, our culture and the company. Now enough with us, let’s talk about the job roles & responsibilities:
What you will be working on:
- You will be working on the next generation network security products, on various public clouds.
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- Planning, designing, integration for network security platforms.
- Key contributor for developing product strategies and features.
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Here are some technical skills required:
- Strong in kernel networking datapath, and TCP/IP stack.
- Develop Linux Kernel Drivers.
- Good exposure to Makefiles, and building RPMs.
- Working to develop and test complex systems software, software development tools, applications, drivers, numerical methods, UIs, and web.
- May work directly with companies developing and optimising compilers, operating systems, and other software technologies.
- Designing & coding to support new features in the OS or Products.
- Debugging kernel code.
- Debugging customer issues.
- Performance evaluation/improvement of Kernel Code.
- Participate in production deployment and assist the production support group when needed.
What we expect from you:
- 3 Years of relevant Experience
- In-depth working knowledge of Linux Operating System.
- Excellent Linux system development debugging skills, including Linux kernel debugging.
- Outstanding C development skills.
- Good understanding of Networking L2 –L7 Protocols and network kernel driver.
- Experience in porting from various Linux kernel versions.
- Be a quick learner and be open to working on new technologies if needed.
- Excellent team player with strong verbal & written communication skills.
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- Work Independently with a skilled team while defining new system requirements based on custom interaction and inputs
If the above fits your skill-sets and tickles your interest then read below about the additional benefits that our company offers to talented folks like you:
Work Culture and Benefits
- Competitive salary and benefits package
(H1-B which means a chance to work onsite out of India) - A culture focused on talent development where you get promoted within the quarterly cycle of your anniversary.
- Opportunity to work with cutting-edge & challenging technologies including legacy tech.
- Open cafeteria to grab some munchies while you work, we make sure the space feels like your second home, you can also wear pyjamas if you like.
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Strong programming (Java, C/C++) and troubleshooting skill
Experience on Android telephony, connectivity framework
RIL
Familiarity and support of PTCRB/GCF certification process.
Knowledge a cellular test equipment and network IOT
IMS/Volte/SMS over IMS/Video calling and SIP signaling – Desired
Knowledge of QUALCOMM tools, QXDM, QRCT, ER & Analysis of logs.
Preferred - knowledge on 3GPP specs and GSM/GPRS/EGPRS/WCDMA/UMTS/LTE/TD-SCDMA standards
Preferred - Android apps (Calling, messaging, Sim toolkitDeveloper 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
- 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.