
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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Role: Embedded Software Developer
Exp: 3-7yrs
Location: Noida
Work Mode: 5days
Description:
- Must be B.E./B.Tech./MTech. in Computer Science, IT or related software engineering degree.
- Must have 3 to 7 years’ experience with strong experience of C system programming in embedded environment.
- Must have relevant experience of IMS or Telephony domain.
- Must have excellent S/W design Skills with proven experience of writing efficient code for embedded environment.
- Must have experience of Linux or RTOS S/W design programming.
- Must have excellent debugging skills, good experience on analyzing network protocol Logs.
- Must be conversant with embedded development tools, debuggers, Network protocol analyzers like Wireshark etc.
- Must have hands-on experience & understanding of S/W Management Processes: Source Code Management, Unit/Integration Testing, Branch management, Feature Configuration etc.
- Preferred to have experience on 4G/5G wireless protocol stack or WLAN SW development.
- Preferred to have worked on Android based Smart Phone or embedded M2M/IOT projects .
- Preferred to be from leading telecommunication, semiconductor or electronics ODM/OEM company background.
- Strong Communication skills, Self-driven, Positive attitude & hardworking.

Requirements:
- Strong C/C++ programming and debugging skills in a Linux environment.
- Experience with Design Patterns, ACE Framework, and Socket Programming.
- Experience in Multi-threaded software development for Multicore Architectures.
- Experience in VOIP application development, preferably on client/server platforms.
- Understanding of system performance and scaling.
- Experience in embedded software development.
- Excellent problem solving/debugging skills design, develop, troubleshoot and debug.
- Software programs for databases, applications, tools, networks etc.


We are looking networking professionals with the following skill set,
Experience :6+ years of experience in the networking domain
Key skills:
- Must have 6+ years of experience in C/C++ programming language.
- Knowledge of Go programming language and Python programming language is a big plus.
- Strong background in L4-L7 Internet Protocols TCP, HTTP, HTTP2, GRPC and HTTPS/SSL/TLS.
- Background in Internet security related products such as Web Application Firewalls, API Security Gateways, Reverse Proxies and Forward Proxies
- Proven knowledge of Linux kernel internals (process scheduler, memory management, etc.)
- Experience with eBPF is a plus.
- Hands-on experience in cloud architectures (SaaS, PaaS, IaaS, distributed systems) with continuous delivery
- Familiar with containerization solutions like Docker/Kubernetes etc.
- Familiar with server less technologies such as AWS Lambda.
- Exposure to machine learning technologies and distributed systems is a plus


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,

We are searching for a talented embedded developer to join our team. You will be working along-side with other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.
The candidate should be proficient in C and C++ and possess detailed knowledge of microcontroller protocols. The candidate would be responsible for,
-
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
Mandatory Skills:
-
Experience in C++ based applications development for embedded system applications
-
Solid understanding of OOPs, SOLID Principles, Design Patterns.
-
Drivers/BSP development on peripherals like ADC, SPI, I2C, UART etc
-
Firmware development experience on ARM Series of microcontrollers
-
Strong knowledge of hardware architecture such as ARM, MIPS, and x86.
-
Familiarity with hardware protocols including USB, UART, I2C, and SPI.
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Familiarity with OS platforms such as Linux, Unix, and RTOS.
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Knowledge on different communication protocol like Wi-Fi, Zigbee, Bluetooth and sub–GHz.
-
Basic Hardware knowledge and debugging skills
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Strong analytical and problem-solving abilities.
-
Strong organizational and project management skills.
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Strong knowledge of SDLC, test cycle and logical thinking on various complex use case call scenarios.
-
The ability to keep abreast with the latest advancements in technology and techniques.
Desired Skills:
-
Knowledge on IoT based systems
-
Preferably worked on a Linux based project.
-
Ability to lead the team & handle the project and own all technical aspects of design and development of systems from scratch.
-
Meticulous and very organized.
-
You will not hesitate to ask questions and call upon the knowledge of your coworkers to make sure you produce the best possible documentation for our customers.
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Worked on 3-5 project from starting of project to delivery of project (Depending on experience)

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




ROLES AND RESPONSIBILITIES:
• Articulate complex problems, communicate viable architecture and design approach in a clear and concise manner.
• Thrive in a collaborative team environment and work with ambiguous product requirements.
• Evaluate opensource technologies, development stack and strive for new learning, continued growth by applying industry best practices and processes.
• Provide thought leadership in cloud based VoIP(Voice/WebRTC) services and bring your passion for technology to motivate and inspire on a day to day basis.
SKILLS REQUIRED
• 4+ years experience in building highly available, fault tolerant and scalable real-time communications(Voice and WebRTC) systems in the cloud (AWS preferred).
• Demonstrated history of building complex, high-performance applications in C/C++.
• Proven expertise in network and system performance optimizations(including kernel, containers and virtualization technologies).
• Proficiency in telecom protocols (SIP, SDP and RTP/RTCP) and internet protocols(IPv4/IPv6, TCP and UDP) is desirable.
• Deep understanding of all aspects of WebRTC from audio codecs, to networking (ICE, STUN, TURN) up to server side components needed to deploy the technology at scale (SFU, MCU, Relays) and network security(TLS, SRTP).Strong analytical, problem solving and troubleshooting skills.
• Programming experience with Python, Golang and Lua will be a plus.
• Prior experience working with Asterisk, FreeSWITCH, RTPEngine, Kamailio, or OpenSIPs will be a plus.




