
LTE DSP PHY Engineer
at Leading Software Development and Consulting company

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)

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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.


Lifespark Technologies is looking for individuals with a passion for impacting real lives through technology. Lifespark is one of the most promising startups in the Assistive Tech space in India, and has been honoured with several National and International awards. Our mission is to create seamless, persistent and affordable healthcare solutions. If you are someone who is driven to make a real impact in this world, we are your people.
Lifespark is currently building solutions for Parkinson’s Disease, and we are looking for an embedded software lead to join our growing team. You will be working directly with the founders on high impact problems in the Neurological Healthcare domain. You will be solving some of the most fundamental and exciting challenges in the industry and will have the ability to see your insights turned into real products every day
Responsibilities :
1. RTOS based multithreaded software development
2. Building future ready, scalable software architectures
3. Liasing with hardware team to decide project requirements
4. Realtime IoT functionality development on ESP32 platform
5. Integration of third party services for cloud based communications and computation
6. Maintaining and documenting software via git (GitLab)
7. Coordinating releases, setup and maintenance of CI/CD pipelines
8. Managing AWS based backend services, integration with AWS services such as S3,
Sagemaker
9. Firmware security, Flash encryption, Bootloader encryption, secure communications
10. Deep integration with hardware team - stress testing hardware
11. Development of device drivers
12. Software testing and maintenance
Recommended experience :
1. Good command over Linux
2. Familiarity with real time tasks and timing sensitive system design
3. Familiarity with BLE/Wifi/etc IoT communication protocols
4. Familiarity with major third party platforms for cloud and ML/AI integration
5. Testing actual physical outcomes of programmed solutions
6. Deep familiarity with ESP-IDF
Location : IIT Bombay, Mumbai
Working mechanism : In-person
Compensation range : 4-12 lpa + ESOPs


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Perform analysis, design and implementation of assigned projects using sound engineering principles and adhering to business standards, practices, processes, and product / program requirements
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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
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Troubleshoot variety of complex software problems
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Provide timely status updates and proactive communications on issues to the stakeholders.
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Able to interface with internal and external stake holders regarding software issues.
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Contribute as part of teams put together to meet overall organization initiatives/objectives
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As a technical lead,
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Guide team efforts towards successful deliverables.
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Provide technical leadership to teammates through coaching and mentorship.
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Able to effectively manage escalations and operate under crisis
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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.
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Background in Industrial Automation
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Prior experience in supervisory control systems software
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Bachelor of Engineering degree in Computer Science/Information Science/Electronics/Electrical/Instrumentation with strong back ground in Industrial automation software
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Strong C, C+ programming on variety of Windows platforms using Microsoft technologies
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Sound knowledge of Computer Science fundamentals data structures, algorithms, operating system concepts
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Excellent analytical skills, methodical problem-solving skills and troubleshooting skills
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Prior experience of working in global teams and interfacing with multiple stake holders
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Excellent communication skills (verbal and written) and the ability to interact with extended teams spread across the globe.


The ideal candidate will be responsible for developing high-quality WIFI applications. They will also be responsible for designing and implementing testable and scalable code.
Job requirement and Skills
- Embedded development in C/C++ on Linux
- Experience with WiFI chipsets (Atheros / Qualcomm / Broadcom)
- Worked with WiFi drivers and WiFi stack
- Strong debugging skills
Experience
- Minimum 5-10 years of experience
- Educational Qualifications: BE/ME
- Experience developing RRM, SON features in WiFi will be great .
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 toolkit



Developer 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


Domain Skills
Leads a team of Engineers for designing and architecting next generation platform solutions for clusters/Interior monitoring systems
Architecting the design for new features and technologies for Platform.
Expertise in programming using C, C++ and good understanding of OOAD & UML
Capable of analyzing HW schematics to realize the SW requirements.
Support and resolve issue resolutions and clarification for cross-functional teams.
Support team lead and project manager at program level in resolving open issues
Technical Skills
Expertise in memory management (eMMC, NAND)
Design, Develop and test device drivers in Linux/Android/QNX platform.
Multithreaded programming, usage of IPCs, Interrupts & synchronization methods.
Expertise in using the communication protocols (I2C, SPI & UART) in the device driver.
Expertise in handling Device Tree based configurations.
Strong C & C++ programming skills, OOPS concepts
Linux Architecture knowhow
Strong in software development for real-time embedded systems
Experienced in Design/Architecture Tools like EA
Expertise in SCM Tools like GIT/GERRIT
Ability to create and review changes for Gerrit and participate in a continuous integration loop
Ability to create/understand the build infranstructure using CMake for the middleware components
Experience in Unit test tools like cppunit, gtest.
Know-how and experience of SAFe/Agile Development
Knowledge in Automotive Safety Standards and Processes (ASPICE).
Logical, Analytical and Debugging/Problem-Solving skills
Qualifications
B.E/B.Tech in Computer Science with hands on with Embedded software development on RTOS




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.

