
About TEJAS NETWORKS LIMITED
About
Tejas Networks designs, develops and manufactures high-performance and future-ready optical and data networking products that are sold to telecommunications service providers, web-scale internet companies, utilities, large enterprises, defence and government entities in more than 60 countries. Tejas products are differentiated by a programmable, software-defined hardware™ architecture that provides flexibility, multi-generation support and a seamless software-enabled network transformation to its customers. Tejas is ranked amongst top-10 vendors in the global optical aggregation market.
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Responsibilities:
- Design and implement embedded software applications for IoT devices using C programming language.
- Develop and maintain firmware for Raspberry Pi-based systems, ensuring optimal performance and compatibility with various IoT sensors and peripherals.
- Collaborate with hardware engineers to define and document system requirements and specifications.
- Conduct thorough testing and debugging of embedded software to identify and resolve any issues or bugs.
- Optimize code and improve system performance to enhance the overall user experience.
- Stay updated with the latest industry trends and technologies in embedded systems and IoT development.
- Work closely with the product management team to translate customer requirements into technical specifications.
- Provide technical support and guidance to the team during the development and deployment phases.
- Participate in code reviews and contribute to the continuous improvement of software development processes.
Qualifications:
- Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
- Strong proficiency in C programming language with a solid understanding of embedded systems.
- Experience developing software for Raspberry Pi or similar single-board computers.
- Knowledge of IoT protocols and technologies such as MQTT, CoAP, TCP/IP, and wireless communication (Wi-Fi, Bluetooth, etc.).
- Familiarity with various sensors, actuators, and electronic components commonly used in IoT devices.
- Solid understanding of software development methodologies and version control systems (e.g., Git).
- Strong problem-solving skills and the ability to debug complex issues in embedded systems.
- Excellent communication and teamwork skills to collaborate effectively with cross-functional teams.
- Prior experience in developing IoT applications or working on IoT projects is a plus.
- 32-bit Microcontroller knowledge is essential (ARM Cortex based micro-controllers (STM32).
- Esp32 architecture knowledge is essential.
- Strong experience in C, C++, Free-RTOS
- Strong experience in CUBEMX IDE, MDK Version 5 – Keil, Arduino IDE environment
- Good knowledge in HW and communication protocols like CAN, SPI, UART, I2C, USB
- Good knowledge in TFT Displays and Sensors is added advantage
- Good knowledge of implementation of motor controls as required, pulse width modulation schemes (PWM).
- Good knowledge of power electronics (TRIACs, MOSFETs, IGBTs, gate drivers) and require protections (Over/under voltage/current).
- Document firmware designs, specifications, test plans, revisions and produce test reports
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Design and implement software of embedded devices and systems from requirements to production and commercial deployment.
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Design, develop, code, test and debug system software Review code.
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Support software QA and optimize I/O performance.
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Interface with hardware design and development Assess third party and open source software.
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hands-on development and troubleshooting on embedded targets Solid programming experience in C or C++.
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Experience in programming Embedded C/C++ applications with strong background in C/C++ inheritance, templates and pointers.
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Strong in OS concepts like efficient multi-threading and resource-sharing.
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Experience in working with firmware, application and board support packages.
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Expert knowledge on protocols like (RS485 SPI, I2C, ADCs, PWM, CAN).
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Embedded development tools and methodologies. • Version Control Systems - Clear Case / RTC /GIT.
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Strong development experience in embedded C and RTOS. • Should have detailed knowledge and experience on microcontrollers / microprocessors ( 16 bit/32-bit).
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Experience in configuration management & defect tracking tools.
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Strong debugging skills.
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Must be a self-starter.
Responsibilities
- Design and implement software of embedded devices and systems from requirements to production and commercial deployment
- Design, develop, code, test and debug system software
- Review code and design
- Analyze and enhance efficiency, stability and scalability of system resources
- Integrate and validate new product designs
- Support software QA and optimize I/O performance
- Provide post production support
- Interface with hardware design and development
- Assess third party and open source software
Requirements
- Proven working experience in software engineering
- BS degree in Computer Science or Engineering
- Experience in hands-on development and troubleshooting on embedded targets
- Solid programming experience in C or C++
- Proven experience in embedded systems design with preemptive, multitasking real-time operating systems
- Familiarity with software configuration management tools, defect tracking tools, and peer review
- Excellent knowledge of OS coding techniques, IP protocols, interfaces and hardware subsystems
- Adequate knowledge of reading schematics and data sheets for components
- Strong documentation and writing skills
Embedded c
C
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2) Experience in protocols like UDS and CAN.
3) Experience in AUTOSAR(COM, DCM and MCAL).
4) Experience in CANoe and CAN analyzer tools.
5) Experience in Compiler and Debugging.
6) Experience in using Configuration Management.
7) Knowledge and experience in Rational Rhapsody would be advantageous.
Additional Skills:
1) Good analytical & communication skills.
2) Willingness to take up responsibility & ownership.
3) Self-learning & Self-motivated with a good learning curve.
4) Adaptive & Flexible to challenging situations.
Job Description
Embedded Software/Firmware Design and Development on OS/Non-OS based platform
Necessary system architecture development and implementation
Device, sensor and gateway selection and integration based on industry use case.
Development on Image Analytics and Cloud/Platform integration
Development or integration of Cloud/Platform communication protocol
Technical Documentation and Testing of the developed system
Desired Skills, Knowledge& Experience
B. Tech/M. Tech/MCA with 8-10 years of industry experience
Strong programming skills in C/C++ and Python development in Linux
Experience in device or sensor communication interfaces (wired/wireless, short range/long range).
Experience of microcontroller and microprocessor.
Knowledge of IoT gateway firmware development, container, and OS hardening.
Experience in device communication protocol, Edge computing and processing
Competent in application development for Image processing, transmission, and storage
Good understanding and of programming primitives, data structures, multi-threading and memory management techniques
Strong command over complex sensor and hardware control logic to work seamlessly with edge devices or gateway
Proactive and Self motivated
Strong verbal and written communication skill


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 SYSTEMS ENGINEER
ROLES AND RESPONSIBILITIES:
- Work with multi-disciplinary engineering team and customer to identify and recommend hardware needs and requirements for project/product.
- Modify or assist in the development of software architecture and design for new products, prototype, or re-design, including sourcing build environments and writing technical support and control documentation.
- Read Block Diagrams and detail circuit schematics and layout of proposed or existing hardware and assess the software and driver requirements.
- Participates in cross-divisional Edge IoT projects and/or proposals.
- Develop, oversee, and document automated tests for electrical hardware design and products as well as final operating drivers and systems.
- Evaluate and investigate product failures, and recommend repair or design modifications based on specifications, cost, resources, and risks.
REQUIREMENTS:
- Ability to creatively approach challenges and cleverly solve difficult problems.
- Ability to independently identify daily design and customer support tasks, self-start and motivate.
- Ability to manage several projects and prioritize appropriately, with minimal supervision.
- Ability to work in a collaborative team environment as well as independently.
- Ability to learn and work in virtual environments (CAD & Hardware build packages) in-which candidate’s skills are low but persevere and overcome skill gaps autonomously.
- Some experience programming with embedded systems designs and multithreaded real-time operating systems is required.
- Solid programming experience. Preferably in C or C++, .NET, and Java programming languages.
EXPERIENCE:
We as a team are looking for freshers or young professionals with (0-4 years of experience) passion and eagerness to create scalable and optimized software systems and execute complete embedded software development lifecycle.


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



