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
Similar jobs
Job Description :
Position Name: Network Software Developer
Experience: 4 to 8 Years
Work Mode: Work from Bangalore office (near Bellandur) all 5 days.
Mandatory:
- 4+ years of work experience in Networking domain.
- Highly proficient in C and Linux environment.
- Experience in working on Linux based large code base.
- Hands-on experience in working OpenWrt based router firmware.
- Hands on experience with IP and lower layer networking protocols.
Great to Have:
- Experience in working on Qualcomm and MediaTek chipsets.
- Experience in Linux device drivers and device trees.
- Experience in creating and applying Linux kernel patches.
Job Summary
We are seeking a highly skilled and motivated Linux Device Driver Engineer with strong C/C++ programming skills and hands-on experience in Linux driver development. The ideal candidate will have a proven track record of working with kernel modules and hardware interfaces, and be comfortable debugging and optimizing low-level system software.
Key Responsibilities
- Porting existing Linux device drivers to new platforms, SoCs, and kernel versions.
- New driver development for custom hardware components and peripherals.
- Debugging kernel and driver-level issues using industry-standard tools.
- Integration & bring-up of hardware with Linux-based systems.
- Collaborate with hardware teams to interpret specifications and enable device functionality.
- Optimize drivers for performance, reliability, and resource efficiency.
- Write clear technical documentation for driver APIs, design, and integration steps.
Required Skills & Qualifications
- Bachelor’s/Master’s in Computer Science, Electronics, or related field.
- 4 to 8 years of professional experience in software development.
- Strong proficiency in C/C++ programming and memory management.
- Hands-on experience with any Linux device driver (character, block, network, USB, PCIe, I2C, SPI, etc.).
- Good understanding of Linux kernel architecture, module programming, and build systems.
- Knowledge of interrupt handling, DMA, and device tree configuration.
- Familiarity with cross-compilation and embedded Linux toolchains.
- Experience with debugging tools (GDB, ftrace, perf, printk, etc.).
- Version control experience (Git).
Preferred Skills
- Exposure to multiple driver types (networking, storage, multimedia, etc.).
- Experience with Yocto, Buildroot, or similar embedded Linux environments.
- Knowledge of real-time Linux and RT patches.
- Scripting knowledge (Python, Bash) for testing and automation.
Soft Skills
- Strong analytical and debugging skills.
- Good communication and collaboration abilities.
- Ability to work independently and take ownership of deliverables.
● 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
ı Develop R&D signaling scenarios for 5G and LTE mobile
testing using a proprietary python based framework
ı Log analysis & script verification with customer prototypes
Your qualifications:
ı Engineering Graduate [Computer science or Telecom ]
ı Knowledge of any one protocol layer is must – NAS ,
RRC , RLC , MAC , PHY
ı Good understanding of 5G or LTE protocol domain
ı At least 2 years experience with any programming
language - C / C++ / Python
ı Experience using version control like GIT, Clear case
ı 8 to 12 years in telecom domain
ı Excellent communication skill to work on customer
projects
Simmi Anand
| Open Edx | |
| 1 | Hands on experience on Open edX framework |
| 2 | • A Minimum of 2 years is required on handling Open edX project with overall experience of 4 to 6 Years. |
| 3 | • The Candidate must have developed and deployed open edX based applications and platforms. |
| 4 | • Real-world experience with web development frameworks like Django |
| 5 | • Ability to code front to back with JavaScript, Python, or other server-based programming languages |
| 6 | • Hands-on experience on Git, Slack, Trello |
| 7 | • Should have experience in deploying scalable software applications to AWS or equivalent |
| 8 | • At least 2 years of related experience with React, Webpack, or other modern JavaScript frameworks. |
| 9 | • Experience building static websites and single-page applications, experience with architecture and solutions |
| 10 | Good hands on experience in docker |
| 11 | • Understanding of MOOC (Massive open online course) Architecture Integrating with the third-party apps using LTI/QTI - Significant hands on experience in installation and configuration of OpenEdx as an application, managing users and roles and managing multiple tenants in an instance |
| 12 | • Experience in customizing OpenEdx as a product around creating plugins, integrating with third party apps using LTI' |
| 13 | • Theming and Branding, Multisite, Certificates, SAML, Basic Reporting (grades, enrolments) |
| 14 | • Experience in Open edX mobile app with branding and analytics set up |
| 15 | • Experience with DevOps will be added advantage |
ROLES AND RESPONSIBILITIES:
• Articulate complex problems, communicate viable architecture and design approach in a clear and concise manner.
• Thrive in a collaborative team environment and work with ambiguous product requirements.
• Evaluate opensource technologies, development stack and strive for new learning, continued growth by applying industry best practices and processes.
• Provide thought leadership in cloud based VoIP(Voice/WebRTC) services and bring your passion for technology to motivate and inspire on a day to day basis.
SKILLS REQUIRED
• 4+ years experience in building highly available, fault tolerant and scalable real-time communications(Voice and WebRTC) systems in the cloud (AWS preferred).
• Demonstrated history of building complex, high-performance applications in C/C++.
• Proven expertise in network and system performance optimizations(including kernel, containers and virtualization technologies).
• Proficiency in telecom protocols (SIP, SDP and RTP/RTCP) and internet protocols(IPv4/IPv6, TCP and UDP) is desirable.
• Deep understanding of all aspects of WebRTC from audio codecs, to networking (ICE, STUN, TURN) up to server side components needed to deploy the technology at scale (SFU, MCU, Relays) and network security(TLS, SRTP).Strong analytical, problem solving and troubleshooting skills.
• Programming experience with Python, Golang and Lua will be a plus.
• Prior experience working with Asterisk, FreeSWITCH, RTPEngine, Kamailio, or OpenSIPs will be a plus.
Software 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.

As part of the role, the Developers / Senior Developers will be responsible for Design, Coding, and Integration while meeting the quality targets set for the project. The Tech Leads will be additionally responsible for Estimation, Architecture, Design, Technical Reviews, Customer Interaction, Building, and Mentoring a talented team of Engineers
Knowledge & Skills:
- Technical Experience on Physical Layer of 3GPP LTE
- Experience on DSP Development\
- Proficient in C Good
- understanding of Wireless Communications
- Experience on MAC-PHY interface
- Behavioral Interpersonal skills & Ability to work in team
- Good Communication Skills Good Analytical Skills
Desired Skills and Experience:

Role As part of the role, the Developers / Senior Developers will be responsible for Design, Coding and Integration while meeting the quality targets set for the project. The Tech Leads will be additionally responsible for Estimation, Architecture, Design, Technical Reviews, Customer Interaction, Building and Mentoring a talented team of Engineers
Knowledge & Skills
- Technical Experience on Physical Layer of 3GPP LTE Experience on DSP Development\
- Proficient in C
- Good understanding of Wireless Communications
- Experience on MAC-PHY interface
- Behavioral Interpersonal skills & Ability to work in team
- Good Communication Skills Good Analytical Skills
- Customer Orientation Job Title LTE Developer with DSP Physical Layer(Engineer/Senior Engineer)






