
Software Engineer(Layer 2/Layer 3)
at It offers user-friendly fiber speed equipment.

Software Engineer(Layer 2/Layer 3)
Location : Gurgaon (WFH currently)
Experience/ Skills Required : 5 to 10 years
To be successful in this role you should be well versed with the concepts of networking and comfortable in C programming in a linux environment for embedded software. As we use Linux, experience with this operating system is a mandatory requirement, knowledge and experience on OpenWrt is a bonus. Working experience with router software development for layer 3 and layer 4 features.
Domain knowledge required: IPv4, TCP/UDP, IPv6, NAT, Firewall (iptables), DHCPv4, DHCPv6, IPv6 prefix delegation, Port forwarding, Source based routing, Policy based routing, L3 QoS, IGMP proxy, IPv6 MLD snooping, DNS, DNS proxy. Knowledge on VoIP is a bonus.
Management methods: TR069, SNMPv2, CLI.
Operating system: Linux, OpenWrt
Programming languages: C(must have), Python
Working for us means having a healthy interest in Software but most of all, you like to work in a team. You like to take initiative and have the “just do it” approach. Having the right mentality and attitude are more important for us than a degree. Dedication, investigation and responsibility are keywords for us. Preferred years of experience in industry/technology: 5-10 years.
Role:
As a Software Engineer you develop new software features and solutions for our fibre connectivity product portfolio. The position offers a wide range of possibilities to work with everything from low-level Linux drivers to high-level applications. You develop for various protocols and HW interfaces, often in complex network scenarios in combination with customer specific requirements. The team is responsible for all SW development for existing and new Home Gateways. This means development of Linux drivers, network functionality, remote Management (TR-069) and VoIP application (sipapp). The development is mainly done in C and in Linux environment, knowledge in Python is an add-on. Products and development are realized in Agile.

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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


What You'll Do
● Develop embedded system architecture that is efficient and scalable
● Develop multi-device system design, envision customer interaction, and corner cases to build issue-free design
● Develop firmware code for Interrupt driven system which interacts with Android and cloud
● Implement function safety, protection and security in the embedded system
● Implement predictive hardware failure features
Who You Are?
● Passionate individual who loves to work on embedded systems. a person who likes to drive things actively rather than waiting for tasks to get assigned.
● Strong programming capabilities
● Understanding of electronics and hardware
● Clear thought process, believe in simplifying rather than complicating
● Argue and fight over the opinions. Believe in delivering the best for the users
You Should Have
● 3+ year experience in embedded system design
● Mastery in C/C++ for embedded systems. Strong fundamentals of Microcontrollers and their common peripherals.
● Strong basics of C/C++, memory map, compiler functionality
● Done multiple projects during graduation/post-graduation. Participated and performed in tech competitions.
● Experience working with actuators like motors (DC/brushless), LED/LCD and HMI interfaces, speakers, sensors etc
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Developer Software (Embedded)
Location: Udaipur
Qualification: BE in (Electrical/Electronic Engineering)
Technical
· Experience in design and development with structured Software Development Life Cycle for embedded applications
· Proficiency in C language or assembly programming, Microcontroller, Micro Processor.
· Preferably experience in working and understanding the metering domain
· Proficiency in development processes, tools/IDE (KEIL, IAR, Eclipse) & test automation
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· Interface RS485, RS232, SPI, I2C, USB, LCD, Keypad, Flash, EEPROM
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· Knowledge of ARM / MIPS / Coldfire / MSP430 / dsPIC / 8051 and other popular processor
· Experience in working on communication products based on GPRS, ZIGBEE, ZWAVE, Ethernet, Power line communication, DLMS, MODBUS
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· Understand improvement requirements and develop improvement solutions & package, according to technical specifications / high-level solution design
· Responsible to carry out effective and timely unit testing, in order to, deliver first time right solutions
· Development of automation framework/compiler / emulators to speed up business delivery cycle in NPI programs
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Mandatory Skills:-
C Programming and data structures.
Linux Internals ( System calls, IPC, Network Programming, POSIX Multi-thread programming)
Desirable Skills :-
C++ and OOPs knowledge
Linux system start-up sysvinit, systemd,
Bootloaders : uBoot
Message bus protocols like dbus
Basic Linux Device driver knowledge
Linux Build framework – Yocto-Bitbake, Makefiles
Python scripting
Debug using tools such as GDB
Version control - GIT and SVN
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
1. Good Knowledge in Hardware Development (Various Sensors, PCB Designing, Various Micro-controller boards)
2. Firmware designing (writing code on various micro-controller platforms using various hardware communication protocols (USART, SPI, I2C, CAN, etc). Great command in Embedded C Programming and Python.
3. Should have worked with various wired and wireless devices for communication ( Like GSM, GPS, GPRS, Wifi, BLE, Xbee, etc)
4. Should have practical experience in basic networking with devices.
5. Should have worked on various Hardware platforms like Arduino, Raspberry Pi, Web Frameworks, etc.
6. Should have worked with various methods of communicating sensors data on various clouds using API's using multiple protocols like HTTP, TCP-IP and MQTT, etc.
Experience Required : Minimum 4 Years
Expected Salary : 4 - 5.5 CTC




