5G/LTE Developer

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.

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:

1. Development of Bluetooth Low Energy (BLE) Firmware for Espressif Bluetooth chips.
2. Development of new firmware for BLE latest specification (BLE 5.x, BLE Mesh, etc).
3. Development of BLE chip validation and Bluetooth Qualification.
4. Research of cutting-edge and challenging Bluetooth technologies (BLE Audio, BLE Direction Finding, Next-Generation BLE Chip, etc).
5. Supporting the existing firmware through feature additions, enhancements and maintenance.
6. Working with systems team and cross-functional teams to deliver quality software following well-established software development processes.
7. Resolving issues as reported by internal test teams as well as customers.

Requirements

Required skills

1. Bachlor's degree or above in Electronic Engineering, Communications Engineering, Automation or other related majors
2. Familiarity with Bluetooth Low Energy (BLE) protocol or BLE Mesh protocol
3. Proven experience in developing BLE stack / firmware (2+ years, both BLE host and controller) or BLE Mesh stack (2+ years)
4. Experience with software engineering processes and the full software development lifecycle including requirements, design, implementation, testing, and documenting in Continuous Integration environment
5. Strong experience and proficiency in C programming (3+ years) for embedded platforms required
6. Excellent problem solving and debugging skills

Bonus point

1. Experience in developing BLE profiles and BLE applications (e.g. HID, ANCS, Homekit, etc)
2. Good understanding of other networking protocol stacks is highly desired (e.g. Zigbee, IEEE 802.11, UWB, Lora, NB-IoT, etc)
3. Strong Real-time systems and software engineering skills required (e.g. FreeRTOS, etc)
4. One or more scripting languages (e.g. Python, etc)
5. 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.

Talented C++ Developer who has experience in design, development, debugging of multi-threaded large scale application with good understanding in data structures on Linux packaging, functional testing and deployment automation very good with problem solving.

Key responsibilities :

1. Understand fundamental design principles and best practices for developing backend servers and web applications
2. Gather requirements, scope functionality, estimate and translate those requirements into solutions
3. Implement and integrate software features as per requirements
4. Deliver across the entire app life cycle
5. Work in a product creation project and/or technology project with implementation or integration responsibilities
6. Improve an existing code base, if required, and ability to read source code to understand data flow and origin
7. Design effective data storage for the task at hand and know how to optimize query performance along the way
8. Follow an agile methodology of development and delivery
9. Strictly adhere to coding standards and internal practices; must be able to conduct review code
10. Mentor and possibly lead junior developers
11. Contribute towards innovation
12. Performance optimization of apps
13. Explain technologies and solutions to technical and non-technical stakeholders
14. Diagnose bugs and other issues in products
15. Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Must have / Good to have:

1. 5-7years' experience with C++ development and relevant 3+yrs in modern version 11/14/17 would be a plus. 
2. Design and implementation of high-availability, and performance applications on Linux environment
3. Advanced knowledge of C/C++, Object Oriented Design, STL
4. Good with multithreading and data structures
5. Develop back-end components to improve responsiveness and overall performance
6. Familiarity with database design, integration with applications and python packaging.
7. Familiarity with front-end technologies (like JavaScript and HTML5), REST API, security considerations
8. Familiarity with functional testing and deployment automation frameworks
9. Experience in development for 3-4 production ready application using C++ as programming language
10. Experience in writing unit test cases including positive and negative test cases
11. Experience of CI/CD pipeline code deployment (Git, SVN, Jenkins or Teamcity)
12. Experience with Agile and DevOps methodology
13. Very good problem-solving skills
14. Experience with Web technologies is a plus. 

Read less

Summary: 

Hyperspec is building a real time local map for self-driving cars and using cross view localization to enable ubiquitous autonomy. Hyperspec is a VC funded startup.

The principal embedded systems engineer will have deep expertise in embedded systems design, development and worked for years on embedded systems teams. This person is a leader and mentor to junior engineers and shares knowledge about the design and development of embedded systems.

Responsibilities:

• Serves as an expert in all aspects of embedded projects and embedded systems—including designing, developing, testing, and perfecting designs 
• Responsible for updating and working with executive leadership on the development of embedded systems and status of projects 
• Provides guidance and mentoring to other members of the team

Requirements:

• Minimum of bachelors' degree in computer science or engineering
• At least ten years of engineering experience with expertise in software engineering, data structures, and programming techniques
• Deep expertise in C/C++ programming
• Experience with FPGAs, PCB, Xilinx, Altera, or similar SoCs.
• Experience with ISPs, Cameras, Switches a plus.
• Experience in working with real-time operating systems, communications protocols and firmware design.

• Experience in interfaces, IP protocols, and hardware subsystems.
• Experience in working as part of a team and leading teams.

• 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.

• At least 3 years of C++ programming experience in a Linux environment.
• Strong understanding of computer systems e.g. operating systems, networks, performance optimization, etc
• Experience in Object-Oriented design and multi threaded programming
• Experience in creating/supporting cross-platform multi threaded applications
• Strong analytical and problem solving skills
• Ideally some experience in developing low latency systems
• Experience with trading or execution systems preferred
• Bachelor's degree in Computer Science or Computer Engineering or related field
• Reliable and predictable availability
• 
  
  Ideally in Mumbai Metro Area but open to anywhere for the right candidate.

Must have Skilled and Should Currently have Hand-on experience:

• Programming Language:          C, C++
• Operating System:                   Linux
• Debugging Tools:                     Valgrind / GDB - required
• Version Control:                       (Stash- nice to have) & (Git – Required)
• Build and Deployment:             Bamboo – nice to have
• Operating System:                     Linux
• Experience:                               5 to 8 years (Min. 4 years)

• Would be working on Development and Production Support of Email Mx Product which uses email protocols  (POP, IMAP, and SMTP) developed on C, C++ technology on Linux Platform.
• Technologies they get to learn: C, C++, GDB, Valgrind, python (python to a certain extent).
• Protocols they get to learn:   POP, IMAP, and SMTP and also any and every communication happening in Email Platform
• Source Control:                 Git, Stash
• Build and Deployment:           Bamboo
• Operating System:               Linux

• Debugging a Multicomponent – Multi-Threaded – Multi-Server Environment of a Live Product Deployed to Tier – 1 Customer.
• Opportunity for Improving CPU of exiting product.
• Opportunity for Memory optimization along with some good

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

• 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