Microcontroller- Embedded Engineer

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

Primary skills:

At least 3+ years of working experience on embedded firmware development

- Experience in multithreaded programming, network programming (wired and wireless protocols), real-time programming, cross-platform and cross-language development

- Hands-on experience on driver development for various sensors

- Working knowledge of communication protocols like UART, I2C, SPI, USB, Ethernet, etc

- Product development experience with range of microcontroller/microprocessor architectures, adoption of bare-metal, RTOS and Linux operating systems on new platforms

-Hands-on experience on software development in Bluetooth domain is added advantage

- Experience with hardware lab equipment such as digital scope, logic analyser and JTAG

- Understanding of embedded development constraints and system performance

- Experience with programming in C/C++ and Embedded C

Min 4 Years Experience in Embbeded domain

1. C++

2. C++ ★ Profinet ProfiSAFE ★ Embedded RTOS

3. rtos c c++ python ★ Industrial protocols Embedded Security Threat Modeling ★ Embedded C Embedded Linux

4. Embedded Systems ★ Embedded C ★ C++ ★ RTOS

ORGANIZATION

Launched in 2014, Oxit has continually focused on true innovation in IoT services through the creation
of solutions and products for an adaptive global business marketplace. Our diverse list of clienteles,
ranging across a multitude of industries, has grown to recognize and trust Oxit in partnering in all
aspects of Smart Technology capabilities from designing to prototyping, development and carefully
launching their ideas

ROLE

Proficient in connected objects, an IoT embedded engineer develops innovative solutions that help
users to receive, control and manage information.
Conceptualizing, designing, developing, & managing IoT end devices, middleware, interfaces, and
connectivity

RESPONSIBILITIES

PRIMARY RESPONSIBILITIES
● Analyze, discuss and understand user/business requirements
● Translate business requirements to optimizer solutions, system & firmware specifications
● Design & Implement firmware/software as per specifications and conduct unit tests
● Managing & building end devices and middleware (Gateway development)
● Connectivity solutions, protocol implementation, stack development (ex: Lora)
● Perform integration, acceptance tests, troubleshooting, and debugging
● Work in collaboration with other team members, leadership, and other departments towards
solution implementation and delivery
● Adhere to organization/project process standards and guidelines
● Handling internal (team, departments, and leadership) and external (customers & partners)
interactions
● Collaborate with and support Hardware team towards HW design & development
● Collaborate with and support Software team towards backend development, API definition &
interfacing, Mobile, Cloud, & Web application definition

SECONDARY RESPONSIBILITIES
● Researching, creating, and testing IoT solutions
● Designing platform solutions that are cloud-compatible and work with IoT applications
● Providing solutions to issues related to the connection of networks and platforms
● Contribute to improving quality, accelerating development and deployment - process improvement
and tools improvement
● Showcase ability to play different Agile roles and manage small teams
● Supporting management with client interactions and at times leading it

SKILLS

PRIMARY SKILLS
● Hands-on programming experience in C/C++/Python in Embedded/IoT environment
● Good working knowledge of Linux internals & application development
● Good working experience of RTOS & bare metal programming
● Hands-on experience in device driver development
● Hands-on experience with protocol implementation (wired & wireless)
● Experience in executing projects in an Agile/Waterfall model
● Exposure to Gateways, web/cloud computing technologies, APIs, sockets, & related tools
● Exposure to JavaScript, Node.js, and typescript is an added advantage
● Proficient in C, C++, and Python programming, Java script added advantage
● Good understanding of Linux internals, Linux System programming, and application development
on Linux
● Hands-on experience with Container technologies (LXD, Docker and/or Kubernetes)
● Working knowledge and experience implementing FUOTA, Device management
● Working knowledge of Security - Encryption, Decryption, Flash management
● Working knowledge of Web architecture, Interfacing (APIs, MQTT, etc.)
● Hands on experience with Yocto, Ubuntu Core
● Experience with R Pi or similar platforms
● Working Knowledge and experience with LoRaWan on both Gateway and Devices

● Prior experience working on IoT Gateways

SECONDARY SKILLS
● Firm understanding of IoT architecture and principles
● Knowledge of device and data security
● AWS or related cloud architecture, tools & setup, API development
● LoRa stack experience, Network gateway functionality, networking: TCP/IP, DNS, DHCP, HTTP
● ESP32 architecture, Free-RTOS experience
● Work and collaborate well with others
● Strong communication skills
● Strong analytical and problem-solving skills

WORK ENVIRONMENT
● Minimum 3 years of prior experience
with embedded, firmware, & IoT
● Available full time (40 hours a week)
● Remote working infrastructures
● Flexible remote work (work from
anywhere)
● Certain overlap with EST business hours
● Full time (Mon-Fri, 8 hrs/day)
● Agile way of working & mindset
● Team work, frequent interaction &
collaboration with team & leadership
● Collaborations & meetings through
video conferencing
● Friendly & collaborative environment

• Bachelors in Electronics & Communication or equivalent
• 6-10 yrs experience in embedded software development
• Hands-on embedded C skills (mandatory)
• Experience with any microcontrollers MCU (mandatory) – Renesas/ Infineon/ Cypress/ ST-Micro /TI / Microchip
• Experience with any of peripherals & communication protocols usage in application development (mandatory) – UART, I2C, SPI, I2S, CAN, USB, ADC, DAC, EEPROM, Flash memory
• Experience with any RTOS – FreeRTOS, Azure RTOS, ThreadX
• Experience with any networking &  connectivity modules (preferred & added advantage) – Ethernet, WiFi, BLE, MQTT, COAP
• Exposure to any IoT frameworks (desirable not mandatory) – IoTivity, AWS IoT, Azure IoT
• Experience with any device driver development, driver optimisation (desirable not mandatory)
• Good ability to read data sheets & technical manuals

• Works towards developing Stable & Efficient Firmwares for Embedded
• Responsible for developing Firmware which are Stable, Efficient and scalable.
• Responsible to create coherent and scalable architecture designs.
• Responsible for understanding and utilizing best BLE / IOT
• Responsible for understanding various RTOS design principles.
• Qualification: B.E. / B.Tech / M.C.A. in Computer Sciences.
• Must Proficient in Embedded C, C++, BLE, Zephyr RTOS, nRF.
• Ready to work from home.
• Should have above 4 years of experience.

Job Description:

WLAN Linux Device Driver development (802.11ax preferred)

• WLAN Debugging
• WLAN Firmware development (802.11ac, 802.11n)
• Networking/Wireless Domain knowledge
• Hostapd, Supplicant
• Cross compiling/porting experience
• Performance optimization & Firmware enhancements

Must have Skills:

• 1-10 years of experience in Embedded Software Design, Implementation and testing
• Good knowledge of C or C++
• Basic knowledge in Scripting (Shell, Perl or Python)
• Proficiency in Problem Solving and Debugging skills
• Excellent team working skills
• Experience with version control e.g. GIT
• Basic experience of working in Linux OS
• Network Drivers
• WLAN Protocol Knowledge – 11n, 11ac
• WLAN Linux Device Drivers
• Hostpad, Supplicant
• WLAN Debugging
• Fluent in English

Desired Candidate Details:

• Design, development, and maintenance
• WLAN Stack development and debugging
• Feature Enhancements, Applications, Tools for SDKs
• Basic module level unit testing, System testing
• Providing support to technical documentation team and field application engineers
• Close collaboration with the Chipset Vendor on the Software Development
• Participations in the Product design and Software Design Documentation – High level / Module level / Low level design
• Troubleshooting software and architectural issues

We are looking for a seasoned Wireless LAN Software Engineer to join our Wireless & Networking team in Chennai, Pollachi, Kochi (Cochin), Gurugram, Manesar, Bengaluru (Bangalore). The candidate must be an experienced Engineer and a good team player, who will work on Wireless software solutions which will enable us to develop the products for our customers quickly with industry leading quality. Working with Embedded Software in agile development projects, you will be responsible for creating and maintaining software of Wireless Access Point and Router Products including Module design, Development, JIRA Updates and Unit testing of the Software that is meeting industry standards, creating demos of the solution and customer support.