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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Job Description :
Position Name: Network Software Developer
Experience: 4 to 8 Years
Work Mode: Work from Bangalore office (near Bellandur) all 5 days.
Mandatory:
- 4+ years of work experience in Networking domain.
- Highly proficient in C and Linux environment.
- Experience in working on Linux based large code base.
- Hands-on experience in working OpenWrt based router firmware.
- Hands on experience with IP and lower layer networking protocols.
Great to Have:
- Experience in working on Qualcomm and MediaTek chipsets.
- Experience in Linux device drivers and device trees.
- Experience in creating and applying Linux kernel patches.
Key Responsibilities
● Contribute to firmware architecture discussions and implement embedded solutions
aligned with product requirements.
● Design, implement, and maintain low-level code (C/C++ and Assembly) for device
drivers, RTOS-based systems, and communication protocols.
● Work with microcontrollers (ARM Cortex-M, RISC-V, etc.), SoCs, and interfaces (UART,
SPI, I2C, USB).
● Participate in board bring-up, debugging, and validation using JTAG/SWD, logic
analyzers, and oscilloscopes.
● Support OTA updates, bootloaders, and watchdog implementations to ensure robust
device operation.
● Collaborate with QA and production teams on testing, DFU flows, and manufacturing
integration.
● Document design specifications, APIs, and debugging procedures for internal use.
● Stay updated on embedded industry practices, toolchains, and frameworks to enhance
development quality.
Qualifications / Skill Set
● Bachelor’s or Master’s degree in Electrical/Electronics Engineering or related field.
● 4–7 years of hands-on experience in embedded systems and firmware development.
● Strong programming skills in C/C++ with familiarity in Assembly.
● Experience with FreeRTOS or similar RTOS.
● Hands-on expertise with STM32, Nordic, or Renesas controllers is a plus.
● Knowledge of power optimization, OTA mechanisms, and firmware security.
● Skilled in debugging embedded systems using JTAG/SWD and related tools.
● Experience with Git-based workflows; scripting knowledge in Python is desirable.
● Prior experience delivering production-grade firmware is an advantage.

Job Details
- Job Title: Sr. System Test Engineer
- Industry: engineering
- Domain - Information technology (IT)
- Experience Required: 6-10 years
- Employment Type: Full Time
- Job Location: Pune
- CTC Range: Best in Industry
Job Description
- Designation- Sr. System Test Engineer
- Qualifications: B.E./B.Tech Electrical / Instrumentation / Electronics / Mechatronics / MSc Electronics, Electrical
- Experience: 6-10 years.
- Location: Pune.
- Work Mode: Hybrid (1-day WFH, 4-days from Office)
A. Skills & Technologies:
Mandatory:
- PLC Programming in Ladder/Structured Text/Function blocks.
- Configuring and commissioning Servo Drives, VFDs & Inverters.
- Experienced in Motion Control Programming in PLC for servo drives.
- Experience in Robotic (Drive Groups, Multi-Axes) programming in PLC.
- Design and Commissioning experience for Machine automation and turnkey projects,
- (including but not limited to Factory Acceptance Test (FAT) / Site Acceptance Test (SAT)).
- Hands On with one or more Fieldbus technologies (like Ethernet/IP, PROFINET,
- EtherCAT, Ethernet PowerLINK, CAN, PROFIBUS, ControlNET, DeviceNET).
- Configuring of PLC Backplane IOs and Remote IOs on Fieldbus.
Desirable:
- Electrical Wiring Design for Control panels.
- Experience in Manual testing.
B. Behaviors:
- Good team player
- Open to learn new technologies.
- Agile in nature
- Self-motivated and proactive
C. Role and Responsibilities:
- Design and execute tests on complete automation system.
- Test motion, robotics related Function blocks in PLC code, before release to market.
- Analyze requirements, design PLC programs, write and execute system tests.
- Follow required test processes as defined by Lead/Manager.
Must-Haves
6years of Hands‑on experience in PLC programming.
6years of Hands‑on experience in configuring and commissioning Servo Drives and VFDs.
6years of Hands‑on experience in motion control programming in PLC for servo drives.
Good communication skills.
A strong “can‑do” attitude.
Willingness to learn.
Ability to work effectively in a team.
Bachelor's degree - B.E./B.Tech Electrical / Instrumentation / Electronics / Mechatronics / MSc Electronics, Electrical
Minimum of 2years of stability with each company
*******
Notice Period: Immediate to 30days.
Internship Opportunity – Embedded Systems & IoT
Join our hands-on internship program designed for engineering students passionate about core tech. You'll work on real-time projects involving microcontrollers, sensors, RTOS, circuit design, and IoT protocols.
Gain exposure to AI-integrated embedded applications and build a strong project portfolio with mentorship and placement support.
Location: Bangalore (Hybrid/On-site)
Duration: 2–3 months
Eligibility: Final-year students and pre final year (ECE/EEE/CSE/Mechatronics)
#EmbeddedSystems #IoTInternship #EngineeringInternship #CoreTechCareers #Microcontrollers #RTOS #PCBDesign #IoTProjects #KnowxInnovations #AIoT #TechInternship #SkillDevelopment #HandsOnLearning #BangaloreInternship #StudentInternship
Please go through with the below mentioned job description
Position title: Firmware Engineer
Experience: 6-12 years
Notice Period: 0-30 days
Location: Bangalore(Sarjapur)
Role type: Permanent
About the role
Experience in Firmware/Software programming in embedded Linux & RTOS based application development. Candidate must have a very good understanding of ARM processor, hardware and custom board or product development experience.
Roles and Responsibilities:
Design, code and integrate software for an embedded Linux/RTOS targeted application(applications, drivers, framework)
Customization, deployment and maintenance of Linux distribution
Interact with Linux kernel, integrate new device drivers Improvement and maintain existing software components
Perform unit test, Integration test, verification and validation of the product developed.
Assist with the hardware design surrounding the processor
Document the projects according to standards (protocols, architecture, technical specifications, etc.)
Specific skills:
Expert in C programming with RTOS.
Hands-On experience with Protocol development.
Nice to have Protocol development experience such as USB or DP, HDMI or equivalent.
System level design and understanding of overall system
Strong knowledge of Linux, ARM processor architecture with SOC, FPGA interface is a plus.
Hand-on experience on Linux kernel and device-driver development and debugging.
Knowledge/Experience of TCP/IP, Network programming.
Ability to write effective and reusable code according to best practices.
Must be a dynamic, autonomous, and team-oriented individual.
Knowledge of hardware and low-level development is an asset
Please provide below mention details:
No. of years of working experience in Embedded Linux -
Protocol stack development Exp, any specific protocol worked on -
Relevant Experience:
Official Notice Period 30/60/90 Days:
Date of Resignation:
Serving Notice Period and Last Working Day:
Current Company:
Current Location:
Work Location:
Current CTC(fixed,variable):
Expected CTC(fixed,variable):
Interview Availability:
Any Offer:
Relocate to Bangalore(Sarjapur):
company name
company location
date of joining
Talented C++ Developer who has experience in design, development, debugging of multi-threaded large scale application with good understanding in data structures on Linux packaging, functional testing and deployment automation very good with problem solving.
Key responsibilities :
- Understand fundamental design principles and best practices for developing backend servers and web applications
- Gather requirements, scope functionality, estimate and translate those requirements into solutions
- Implement and integrate software features as per requirements
- Deliver across the entire app life cycle
- Work in a product creation project and/or technology project with implementation or integration responsibilities
- Improve an existing code base, if required, and ability to read source code to understand data flow and origin
- Design effective data storage for the task at hand and know how to optimize query performance along the way
- Follow an agile methodology of development and delivery
- Strictly adhere to coding standards and internal practices; must be able to conduct review code
- Mentor and possibly lead junior developers
- Contribute towards innovation
- Performance optimization of apps
- Explain technologies and solutions to technical and non-technical stakeholders
- Diagnose bugs and other issues in products
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Must have / Good to have:
- 5-7years' experience with C++ development and relevant 3+yrs in modern version 11/14/17 would be a plus.
- Design and implementation of high-availability, and performance applications on Linux environment
- Advanced knowledge of C/C++, Object Oriented Design, STL
- Good with multithreading and data structures
- Develop back-end components to improve responsiveness and overall performance
- Familiarity with database design, integration with applications and python packaging.
- Familiarity with front-end technologies (like JavaScript and HTML5), REST API, security considerations
- Familiarity with functional testing and deployment automation frameworks
- Experience in development for 3-4 production ready application using C++ as programming language
- Experience in writing unit test cases including positive and negative test cases
- Experience of CI/CD pipeline code deployment (Git, SVN, Jenkins or Teamcity)
- Experience with Agile and DevOps methodology
- Very good problem-solving skills
- Experience with Web technologies is a plus.
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About us:
Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large datacenter storage and computing environments. Arista's award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.
About the job
Arista Networks is looking for world-class software engineers to join our Extensible Operating System (EOS) software development team.As a core member of the EOS team, you will be part of a fast-paced,high caliber team-building features to run the world's largest data center networks.Your software will be a key component of Arista's EOS, Arista's unique, Linux-based network operating system that runs on all of Arista's data center networking products.
The EOS team is responsible for all aspects of the development and delivery of software meant to run on the various Arista switches.You will work with your fellow engineers and members of the marketing team to gather and understand the functional and technical requirements for upcoming projects.You will help write functional specifications, design specifications, test plans, and the code to bring all of these to life.You will also work with customers to triage and fix problems in their networks. Internally, you will develop automated tests for your software, monitor the execution of those tests, and triage and fix problems found by your tests.At Arista, you will own your projects from definition to deployment, and you will be responsible for the quality of everything you deliver.
This role demands strong and broad software engineering fundamentals, and a good understanding of networking including capabilities like L2, L3, and fundamentals of commercial switching HW.Your role will not be limited to a single aspect of EOS at Arista, but cover all aspects of EOS.
Responsibilities:
- Write functional specifications and design specifications for features related to forwarding traffic on the internet and cloud data centers.
- Independently implement solutions to small-sized problems in our EOS software, using the C, C++, and python programming languages.
- Write test plan specifications for small-sized features in EOS, and implement automated test programs to execute the cases described in the test plan.
- Debug problems found by our automated test programs and fix the problems.
- Work on a team implementing, testing, and debugging solutions to larger routing protocol problems.
- Work with Customer Support Engineers to analyze problems in customer networks and provide fixes for those problems when needed in the form of new software releases or software patches.
- Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
- Mentor new and junior engineers to bring them up to speed in Arista’s software development environment.
- Review and contribute to the specifications and implementations written by other team members.
- Help to create a schedule for the implementation and debugging tasks, update that schedule weekly, and report it to the project lead.
Qualifications:
- BS Computer Science/Electrical Engineering/Computer Engineering 3-10 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 5 years experience, Ph.D. in Computer Science/Electrical Engineering/Computer Engineering, or equivalent work experience.
- Knowledge of C, C++, and/or python.
- Knowledge of UNIX or Linux.
- Understanding of L2/L3 networking including at least one of the following areas is desirable:
- IP routing protocols, such as RIP, OSPF, BGP, IS-IS, or PIM.
- Layer 2 features such as 802.1d bridging, the 802.1d Spanning Tree Protocol, the 802.1ax Link Aggregation Control Protocol, the 802.1AB Link Layer Discovery Protocol, or RFC 1812 IP routing.
- Ability to utilize, test, and debug packet forwarding engine and a hardware component’s vendor provided software libraries in your solutions.
- Infrastructure functions related to distributed systems such as messaging, signalling, databases, and command line interface techniques.
- Hands on experience in the design and development of ethernet bridging or routing related software or distributed systems software is desirable.
- Hands on experience with enterprise or service provider class Ethernet switch/router system software development, or significant PhD level research in the area of network routing and packet forwarding.
- Applied understanding of software engineering principles.
- Strong problem solving and software troubleshooting skills.
- Ability to design a solution to a small-sized problem, and implement that solution without outside help.Able to work on a small team solving a medium-sized problem with limited oversight.
Resources:
- Arista's Approach to Software with Ken Duda (CTO): https://youtu.be/TU8yNh5JCyw
- Additional information and resources can be found at https://www.arista.com/en/
Location: Bangalore
Experience: 4 to 12 years
JD:
- Familiar with AUTOSAR BSW and RTE, architecture, specifications, and configuration tools
- Strong fundamentals programming in C, embedded system concepts, and software build process
- Strong customer orientation, willingness to meet deadlines, and self-management skills
- Deep passion for solving problems to resolution, including root cause analysis skills
- Ability to work and collaborate in a dynamic team environment









