Embedded Developer

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.

 

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.

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 .

Post: Embedded Developer
SKILLS REQUIRED:
• Proficiency and Hands on Experience on Embedded C, various protocols such as I2C, SPI, RS232 etc.
• Testing and debugging of hardware and firmware
REQUIRED QUALIFICATION

• B.E. E&TC , Electronics
• Certification in Embedded System Development/Application
• Minimum 1 years of Experience in same domain

Build new features, enhance existing functionality and fix issues in the Windows Desktop application.

Help develop and maintain UI component library (Windows, dialogs , complex widgets)

Advise and assist the other developers in the Desktop.

Skills required

1. Very strong programming skills in UI development using Qt/C++
2. A strong ability to think about components and modules as they relate to other components as part of a larger system.
3. QML knowledge is a plus
4. Cross platform application development knowledge is a plus, not mandatory
5. A very strong attention to detail and the willingness to deliver pixel perfect UI according to the designs.
6. Must have: Very strong in ModelView architecture
7. Must have : In-depth C++, STL, and data structures knowledge

Desirable : Familiar with unit test frameworks like QtTest or Gtest

Desirable : Experienced with Agile methodology

Desirable : Knowledge in GIT or any other config management tool

Good understanding of object oriented techniques methodologies.

Good hands-on experience of C++ system programming and design.

Key Skills

C/C++, Qt, STL, Design, QML

Experience In product development is good to have

Role: Embedded Software Engineer

 

Relevant experience: 2-3 years

 

Responsibilities:

 

1. Should be good at, C, C++, Linux driver development
2. Should have worked in protocol like i2S, SPI, i2C. rf, 6lowpan, Tcp / Ip stack etc..
3. Experience in porting MbedOS , FreeRTOS to different boards is good.
4. Analyzing and enhancing efficiency, stability and scalability of system resources
5. Design, develop, code, test and debug system software
6. Provide post production support
7. Interface with hardware design and development

 

Requirements:

 

1. Proven working experience in software engineering
2. Experience in hands-on development and troubleshooting on embedded targets
3. Solid programming experience in C or C++
4. Adequate knowledge of reading schematics and data sheets for components
5. Strong documentation and writing skills

 

Note: Self-motivated, goal oriented and good analytical skills.

Responsibilities and Duties
The team leader will be leading a team of Hardware engineers, firmware and testing engineers. Being a team leader, you will primarily be responsible for fast and accurate delivery from the team which might even include handholding of team members whenever needed. Embedded team would be responsible for the following:
Hardware Design including

• Circuit design as per design requirements
• Schematic capture in the tool
• CAD layout
• QA/QC/functional testing
• PCB assembling and rework
• Lab inventory management
• Component procurement.

Firmware Design Including

• Firmware Design and architect
• Software Development
• Firmware Testing
• Code management over svn

Other Responsibilities

• The team leader would also be responsible for architecting the system, creating detailed design documents as per requirement and maintaining quality control of all the deliverables.
• The team leader would also be required to create a detailed test plan and list of test cases to be executed and if needed, create proper environment for the same.
• Ownership of the ‘ground up’ design and architecture of embedded software for real time applications.
• Decomposition of designs in to structured modules/functions ready for implementationby yourself and the team.
• Hands on development in C of new ARM based embedded software for a range of products currently under development
• Ensure quality of software using appropriate methods(Code Review, Static Analysis, Unit Test etc.) and application of suitable Coding Standards
• Maintain, update and enhance existing embedded software written in C
• Documentation of software products, development and execution of test plans
• Work closely with other members of the engineering team to assist with the correct choice of processors and supporting hardware

Required Experience, Skills and Qualifications

• Experience of 8+ years in field of embedded systems designing and developement.
• Familiar with usage of various LAB instruments.
• Strong fundamentals of electronics (Digital and analog) are must.
• Well versed with circuit designing and HW debugging
• Analog and Digital Circuit designing: familiarity with micro-controllers, memories, communication interfaces, op-amps, comparators, relays, inductors and capacitors, Handling EMI and Noise issues associated with circuits.
• Understanding of BLE protocols will be required.
• Understanding of scientific methodologies of experimentation, data-gathering and interpretation and hypothesis.
• Understanding of basic architecture, debugging of sensors.
• Experienced in embedded-C coding, memory allocations.
• Experience with any RTOS designing preferably with FreeRTOS at least with Semaphores, SW Timers, synchronisation and event handlings, task handling and prioritization.
• Understanding of micro-controller architecture, programming and debugging methodologies, interrupt-handling.
• Experience with any of the IDEs and debuggers for ARM architecture.
• Basic understanding of assembly programing of ARM architecture
• Understanding of basic peripherals like UART, CAN, I2C, Timers, Counters, PWMs, ADCs, DAC.
• Experience/knowledge in IoT devices (sensor, gateway, cloud) handling.
• Familiarity with CAD tools for schematics and layout generation.
• Experience on MS-Office.
• Familiarity in understanding and creating various test plans and documents.

General Skills Needed/ Requirements:

• Strong knowledge of components and should be able to suggest the team with right componenet
• Candidate must have a knack to use his/her technical knowledge to give it back to society.
• Candidates passionate to bring a change in society will be preferred with no compromise on pay check.
• Candidates must be open to work with communities to get feedback on product features so that products are best fit for social upliftment.
• Candidates must be open to travel to needy communities and should not hesitate to get his/her hands dirty to bring a change to the communities.
• Candidates must find associated with the cause and mission of the company.
• Open to work in open startup culture and give his/her 100%.
• Analytical reasoning and fact-based brainstorming capabilities will be highly preferred.
• Ready to relocate to Gurugram.
• Occasional field visits.

 

What you need to have:

 

Job Area Engineering - Software

Location Remote

Job Description

This position is ideal for a Senior SW engineer who is passionate about solving challenging business problems and building security services that provide an excellent client experience. You will be an integral part of the vulnerability assessment product development team focusing on designing, coding, and testing new and enhanced security services for z/Linux. The successful candidate should be a self-motivated individual with expert software engineering skills and solid expertise with IBM mainframe technologies. Candidate must be flexible and willing to switch tasks based on team's needs.

 

Qualifications

Basic Qualifications

• Bachelor's degree in Engineering, Information Systems, Computer Science, or related field.
• 1+ years experience with Programming Language such as C, C++, Java, Python, etc.
• Linux kernel and device driver development
• Experience with development boards such as DragonBoard
• Experience with python, perl, rust, shell scripting
• C programming and debugging skills

 

Preferred Qualifications

• CPU and cache architectures
• Experience with JTAG and GDB debuggers
• Linux Kernel upstream patch submission
• CPU performance and power analysis

 

• Independent and self-motivated problem solver and strategic thinker
• Proficient in Git for development and patch/branch management

 

Essential Functions

• Good planning, time management, decision-making, presentation, and organization skills
• Effective written and verbal communication
• Excellent interpersonal and teamwork skills

Must have
 Hands on experience in developing low level software for microcontroller based environments with ARM/Cortex processors or similar.
must do a Project:Linux Device Drivers
Experience in all aspects of designing and developing SW in C/C++ language for embedded platforms.
 Advance level knowledge of modern microprocessor architecture – MMU, Caches, Exceptions, interrupts, instruction sets etc. 
 Experience in working with multiple common h/w interfaces like USB, Ethernet, PCIe, DDR controller, DMAC etc. 
 Device driver or stack development in at least one major Operating system for at least one complex interface. 
 Experience in SW protocol stacks like USB, TCP/IP, File system etc. 
 Experience in Board Bring up, Device drivers, Firmware, Boot Loaders, Tool chains & Build systems. 
 Understand project requirements, customer use cases & specifications for features and convert them to standout software.  Initiate and drive Test strategies and Test plan design for software.
Key Skills
Linux Device Driver , DSP knowledge preferred
Required Experience and Qualifications
B.Tech/B.E