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
About
Connect with the team
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Required Skills:
- 4+ years of experience in embedded software development.
- 2 - 4 years of hands-on experience in C/C++ programming.
- Knowledge of TCP/IP internals and common network protocols such as DHCP, DNS, IPV4/IPV6, NAT
- In-depth knowledge of Layer 2 and Layer 3 protocols (Ethernet, IP, TCP/UDP, MPLS, BGP, OSPF)
- In-depth knowledge of RDK-B architecture, TR-069/TR-181, and networking stacks
- Work on TR-069, TR-181 data models, and DOCSIS / DSL / GPON technologies
- Experience and knowledge on IEEE802.11/Wi-Fi protocols such as WPA, RADIUS, WPS, 802.11n/ac/ax/be, mesh networking
C, C++ , Linux , Device Driver , Linux Internals ,
Processor knowledge like Arm , Intel , Protocol SPI , I2C . Networking experience,
L2 protocols knowledge, knowledge on Python/Perl ,
Broadcom DNX/XGS device experience is desirable,
Interested to learn New things,
C,C++, LINUX INTERNAL OR IPC, LINUX OS CONCEPTS, DEVICE DRIVERS,
PROCESSOR KNOWLEDGE
SCRIPTING KNOWLEDGE EIHER PYTHON OR PERL
Job Title:
Telephony Engineer
Job Description:
- Support the operations team with debugging issues related to the telephony platform
- Identify issues with calls using monitoring and analysis tools such as VoIPMOnitor
- Write scripts to automate tasks, monitor the services and functionalities
- Contribute to the improvement of the system by providing ideas
- Help with capacity planning
- Perform the scheduled maintenance activities
- Modify the existing code to accommodate new features
Experience Range:
3- 6 years
Educational Qualifications:
Any graduation,
Job Responsibilities:
• Knowledge of open source technologies, VoIP, SIP, WebRTC etc.
• Shell scripting.
• Experience in Asterisk and Kamailio or OpenSIPS.
• C/C++ or JS programming with Linux.
• 5-8 years experience.
• Good communication skills.
• Willingness to work in the night, whenever required, for handling support related issues.
Skills Required:
ViOP, OpenSIPS, SIP, Shell Scripting, Asterisk, kamailio, C++, Linux, Development,
Bachelors/Masters Degree in Engineering
Position : BSP Engineer
Total experience : 4+ yrs to 10 yrs
Desired Skills And Experience
4+ years of experience in application development, drivers development.
At least 4 years of working experience in the design and development of u-boot and Linux kernel subsystems and drivers.
Excellent programming skills in C/C++ and Hands-on experience in ARM-based SoC.
Experience in BSP and Boot loaders
Linux Device drivers Development and knowledge of RTOS.
Device drivers experience preferably for following devices: UART, I2C, I2S, SPI, GPIO, PCIe, MMC, USB etc.,
Hands-on experience on WIFI and SDIO has added advantage.
Strong debugging skills.
Want to work with an established & growing IT company? Join team Benison to have the right challenges that will help you accelerate your career growth to the next level, faster!
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:
Why Benison Tech?
We have a partial acquisition from one of the biggest names in the world (well we cant name them thanks to confidentiality) it’s one of the FAANG companies, and you can “Google” it if you like.
Oh! & one more thing, this did not happen by accident, our team put a ton of efforts to turn this gigantic dream into a reality.
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.
- In addition to development, you will also get your hands involved in the architectural changes while fixing the legacy issues.
- Planning, designing, integration for network security platforms.
- Key contributor for developing product strategies and features.
- You will also work on specific modules to help BYOD setups perform in a streamlined manner.
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.
- Be able to step up when the situation demands such as meeting deadlines and critical production issues.
- 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.
- Employee engagement initiatives such as project parties, flexible work hours, and long service awards, team bonding activities within the company, extra learning and personal development trainings, because why stop your learning at one thing!
- Insurance coverage: Group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and your parents. (With some of the best insurance partners in India)
- Enjoy collaborative innovation (each members gets to innovate & think out of the box), along with highly experienced team managers who maintain diversity and work-life well-being.
- And of course, you get to work on projects from some of the most recognised brands within the networking and security space of the world, unlocking global opportunities to learn, grow & contribute in a way that is truly impactful yet purposeful at the same time.
Still not satisfied, and want more proof?
Head to our website https://benisontech.com/">https://benisontech.com to learn more.
Position Overview:
This position is part of highly skilled fimrware team that do software board bring up of bare silicon for next generation products. In order to write system software for embedded electronic products, this position requires academic background in electronics engineering to understand hardware concepts such as digital logic, schematics, and microprocessor communications to develop effective embedded software.
Candidate should have complete knowledge of Software development cycle from architecture definition to the implementation.
Responsibilities:
- Must wear multiple hats from analyzing field and factory reported issues to software integration.
- Be a liason for troubleshooting and debugging complex systems and identifying the root cause.
- Develop detailed design documents and customer facing application notes for the system and IOT features for Mobile routers.
- Act as a product lead and be part of bigger team in software bring up.
- Ability to work on Low level software such as bootloaders and understanding of low level functional blocks is a must.
- Work on Linux kernel and configuration.
- Write or port device drivers for Ethernet, USB, GPIO, LED, Bluetooth, Accelormeter, LCD and touch screen.
- Debug stability issues in data routing between WAN and LAN interfaces.
- Work with Software QA with test plan and execution.
- Work with Hardware team to identify and root cause stability problems.
Experience/Requirements:
- Demonstrable knowledge of C, C++, Assembly programming skills
- Overall 10+ years of experience in embedded environment preferabily Linux.
- Board bring up proficiency with bootloaders and other low level software, must be very good with debugging techniques.
- Experience in TCP/IP networking is must for trouble shooting throughput and other traffic issues.
- Driver experience with I2C, SPI, UART, LCD, Ethernet, PCIe is a plus.
- Experience with low level debugging using JTAG.
- Experience with Makefiles, and build environments such as PTXDIST, Yocto and Buildroot.
- Experience with version control such as git and svn.
- Good communication skills and team player.
- Ability to work independently and autonomously to meet deadlines, in a fast-changing environment.
Education:
Bachelor in Electronic and Communication or related degreeSoftware development for Automotive Pneumatic based Air Lift Systems for RV vehicles, suspension for off-road vehicles.
Responsibilities and Duties
• Author software requirements from system/customer requirements.
• Complete responsibility for BSW software components development/test/release/maintenance.
• Ability to code software for automotive time critical real-time applications.
• Experience in device drivers development for micro-controller.
• BSW API’s for application demand.
• Will have to configure and develop device drivers for MCU IO’s like Analog & Digital I/O, PWM, CAN, SPI, I2C and Bluetooth.
• Complete understanding of IS0-14229 and should be able to implement complete UDS stack.
• Timely communication with customer and inform any risks upfront.
• Quality control of release software via static and dynamic test.
• Project planning and estimations for software releases.
Qualifications
• B.Tech/M.Tech, 6+ years of experience into automotive software development.
• Expert in C Programming language.
• Experience in any scripting language (python, c#, perl etc.)
• Experience in setting up build environment and configuration of make and linker files.
• Experience in bootloader development is added advantage.
• Should be experienced in device driver development for peripherals like ADC, DIO, PWM, CAN, SPI, I2C,EEPROM and Bluetooth.
• Understand memory map of MCU and should be able to configure as per application needs.
• Experience in working with embedded system Kernels or RTOS.
• Experience in working with NXP S32 micro is added advantage.
• Excellent on board debugging skills.
MINIMUM QUALIFICATIONS, Roles and responsibilties:
- BS/MS in Computer Engineering or related technology field
- 10+ Years of Experience in Software Development
- Experience in writing code for embedded systems, Proficient in C/C++ coding and intel DPDK
- Understanding of network interface drivers
- Experience with VMware, AWS, MSAzure, Google Cloud Platform.
- Knowledge of micro services and containerization
- Experience in building Networking Security Products
- Knowledge of Networking, TCP/IP Protocol Suite
- Design, code embedded features/solutions for the ShieldX Product
- Design write, extend and troubleshoot datapath code for switching, routing, NAT, TCP and TLS
- Work closely with other development , Product and Test Teams
- BS/MS in Computer Engineering or related technology field
- Excellent communication and Team player skills
- Should be a self-starter and be able to adopt to dynamic fast-paced environment.
- Able to work 40 hours a week







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