C++/Networking Engineer

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.

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,

Embedded System Engineer

Working on Embedded programming on the microcontroller, Linux/Android OS development

Working on component sourcing, PCB Design and fabrication

Working on assembly and testing

Working on field deployment and Testing

Skills:

Embedded Systems

C Programming

Must be exceptionally good in Embedded Systems C programming, testing/ debugging and in advanced C concepts

Capable of working in Embedded Systems based projects based on 8 and 32 bit microcontrollers (STM32)

Experience with communication protocols and peripherals like UART, SPI, RTC, Ethernet

Hands on experience in IDE like Keil, AVR Studio, MPLAB

Strong documentation and writing skills

Work Experience

1-3 years preferable, fresher with good embedded system knowledge can also apply

• Become a member of the team responsible for IoT hub software development. IoT hub provides IoT functionality (smart home, smart appliance,…) to mobile and web clients and runs on Linux-based host like smart home hub, broadband router, STB, etc.
• Implementation and/or extension of leading wireless/wired protocols (ZigBee, Bluetooth, IP-based,..) for communication with smart devices
• Development of new features for control and monitoring of smart devices and automation of IoT system
• IoT hub software porting on various hosts
• Software optimizations

Position:             C++ Developer

Location:            Hyderabad

Requirements:

• Strong C++ skills obtained in multiple years of C++ programming experience (at least 3 years)
• Good understanding of embedded system development based on Linux OS
• Knowledge of advanced programming concepts (e.g. Multi-Threading, OS internals, Networking, IPC mechanisms)
• Solid understanding of computer networking (TCP/UDP/MQTT/SSL)
• Solid understanding of Git source code management system
• Troubleshooting skills
• B.Tech/M.Tech/MCA in computer science/ECE/EEE
• Fluent English

Xfinito is building a portfolio in new product innovation, product contribution and infrastructure goals while providing individuals and teams the freedom to emphasize specific types of work.

Our work focuses on real –world problems that span the breadth of biomedical engineering, embedded systems, computer science, such as machine and deep learning, data mining, natural language processing, hardware and software performance analysis and much more.

JOB ROLE: EMBEDDED SOFTWARE ENGINEER

ROLES AND RESPONSIBILITIES:

• Work with Hardware, Systems and other multi-functional teams and deliver high quality software at fundamental layer of operating system including frameworks, daemons, drivers.
• You need to keep security and performance in mind, enable key features to improve privacy and prevent fraudulence
• The position requires high level thinking to design code solutions along with low level programming and excellent communications and leadership skills, with the ability to work in a fast paced environment.

RESPONSIBILITIES:

• Rich experience of programming on cryptography
• Profound understanding on Operating System concept
• Highly self-motivated and capable of work and finish tasks alone
• Comfortable and adaptable in a fast-paced environment
• Fluent in both oral and written English
• Strong communication and interpersonal skills; excellent judgment

EXPERIENCE:

• We as a team are looking for freshers or young professionals with 0-4 years of experience having a a self-directed, proactive approach to tackling problems and working through impediment and an ability to generate trust and build alliances with co-workers.

We are looking for passionate, talented and super-smart engineers to join our product development team. If you are someone who innovates, loves solving hard problems, and enjoys end-to-end product development, then this job is for you! You will be working with some of the best developers in the industry in a self-organising, agile environment where talent is valued over job title or years of experience.

Responsibilities:

• You will be involved in end-to-end development of VIMANA technology, adhering to our development practices and expected quality standards.
• You will be building machine/controller specific applications that run on machine tools and stream the machine stats.
• You will be part of a highly collaborative Agile team which passionately follows SAFe Agile practices, including pair-programming, PR reviews, TDD, and Continuous Integration/Delivery (CI/CD).
• You will be part of a DevOps culture where you will get to work with production systems, including operations, deployment, and maintenance.
• You will have an opportunity to continuously grow and build your capabilities, learning new technologies, languages, and platforms.

Requirements:

• Undergraduate degree in Computer Science or a related field, or equivalent practical experience.
• 3+ years of product development experience.
• Proficiency in C, C++, Multi-Thread application development, STL, Boost and TCP/IP programming.
• Optionally should have some basic knowledge on C#, Python and Wireshark.
• Deep knowledge in Data Structures and Algorithms, using various debuggers (Local/Remote).

Additional Skills:

• Experience in working with Agile software methodologies (XP, Scrum, Kanban), TDD and Continuous Integration (CI/CD).
• Experience using no-SQL databases like MongoDB or Elasticsearch.
• Prior experience with container orchestrators like Kubernetes is a plus.

• We recognize that our dedicated team members make us successful and we offer competitive salaries.
• We are a workplace that values work-life balance, provides flexible working hours, and full time remote work options.
• You will be part of a team that is highly motivated to learn and work on cutting edge technologies, tools, and development practices.
• Bon Appetit! Enjoy catered breakfasts, lunches and free snacks!

• Work directly with the other Software/Firmware Engineers and Electrical/RF/Systems Test Engineers to write needed software
• Design and implement software platform for firmware on embedded CPUs with multiple OS such as Windows, Linux, FreeRTOS, TI-RTOS and embedded Linux
• Use compliers, debuggers revision control and automated build systems.
• Design/develop components of software platform for use by other developers to extend its capabilities and build custom applications/behavior on top
• Develop build methodologies, debugging tools/utilities
• Develop and release Software using Agile methodology
• Write unit tests and support continuous integration and automated test methodology
• Brainstorm for new ideas and ways to improvement product and processes
• Consult with peers for feedback during debug/testing stages
• Document and maintain design processes

• Perform technical feasibility studies of new technologies and architectures, including evaluation of OTS cloud offering.
• Generate entire software image for the target device, including the kernel, device drivers, libraries, and application software, and the bootloader for proprietary IOT connectivity device(s).
• Software packaging with RPM building and management
• Define the process to upgrade the new Linux package to existing hardware at customer premises
• Configuration and Troubleshoot of the proprietary IOT connectivity devices for internal R&D teams during their development and verification
• Automate the creation and distribution of keys and certificates
• Understand, implement, and automate security controls for IoT connectivity devices.
• Tune server and application-level performance monitoring and alerting.
• Help define our roadmap and architecture based on technology and business needs, considering architectural issues and tradeoffs
• Understand and manage integration points with other systems that interface with your applications
• Supports development of project plans, including scope, budget, schedules, and risk management.
• Works closely with the business analysts, software development and verification team, the functional manager, and the program manager.
• Collaborate and work with global teams in multiple locations.
• Interface with Global Privacy and Security team for the IoT Gateway understand security risks and recommendations and provide solutions to mitigate the security risks

• Bachelor’s degree in Computer Networking / Computer Science / Software Engineering or a related field
• 12+ years of hands-on experience in Networking, shell scripting, and Linux internals, with a development background.
• Strong understanding of Networking concepts like VPC, Route tables, Host base router firewall, SSH, NAT, DNS, DHCP, SNMP, Virtual IPs, VPN
• Linux System Administration and Networking work experience
• Configuring Firewalls(IP tables/firewall) and security software
• Able to generate Linux packages, and configure based on business needs.
• Passion for cybersecurity. Ability to build secured Linux packages with antivirus and security patches.
• Shell, Python scripting experience
• Basic SQL skills
• Ability to work with cross-functional and remote teams. Must be able to communicate in English, both written and verbal.
• Interpersonal skills to effectively collaborate with vendors and customers.

• Experience with Agile Scrum
• Development background in Java/C++
• DevOps knowledge
• Knowledge on javascript