Cisco

Software Engineer

Bangalore · On-site · 0–3 yrs · Junior · Full-time

  • c
  • c++
  • python
  • wireshark

Embedded Software Engineer for wireless networking stack development at Cisco Bangalore.

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Posted 22 Oct 2026 · found on Cisco's own careers page

Interview prep: questions this posting points to

Written from 8 current Engineering postings on Cisco's own careers page — not questions Cisco has asked.

  1. Walk me through how you'd design a React + Ruby on Rails feature for managing wireless controllers and Access Points, where the backend needs to reflect real-time telemetry from thousands of deployed networks. How would you keep the UI from getting overwhelmed by that volume of live data?
    From the posting: “We use real-time telemetry from thousands of deployed networks spanning the globe to continuously improve the performance and stability of our products.sed to manage the wireless networks.Expertise on React JS and Ruby.Expertise in Cypress.Wireless Domain knowledge.Your Impact Design, develop, validate, and automate scalable features that simplify network management for customers.Strong React.js UI development experience, building modern, responsive, and scalable web applications.Collaborate with Product Management, TMEs, and cross-functional engineering teams to deliver impactful solutions.Deliver features on time with a strong focus on quality, reliability, and customer value.Experience with containerization, DevOps practices, Kubernetes, and cloud deployments.Experience in system design, code quality, and mentoring/guiding engineers on engineering best practices.Exposure to LLMs and AI-assisted development, with a proven ability to deliver high-quality, customer-focused software.Preferred: Exposure to or understanding of networking concepts and technologies”
  2. Customers start reporting that wireless controllers managed via the Cisco Wireless cloud dashboard are showing stale device status - the UI says access points are offline but they're actually fine. You're the engineer on this React/Ruby feature. How do you debug this?
    From the posting: “real-time telemetry from thousands of deployed networks spanning the globe to continuously improve the performance and stability of our products”
  3. This team uses real-time telemetry from thousands of deployed networks to continuously improve products. Walk me through a time when you used production data or customer feedback to identify and fix a problem—what did you learn that changed how you build?
    From the posting: “use real-time telemetry from thousands of deployed networks spanning the globe to continuously improve the performance and stability of our products”
See all 63 questions More on this prep
Read the full job description

Meet The Team The Cisco Wireless Feature & System Engineering team builds end-to-end wireless capabilities across access points, controllers, and cloud-managed platforms. We design features that span device software, control planes, and management systems to deliver seamless, secure, and high-performance enterprise Wi-Fi. Your Impact As a Embedded Software Engineer, you will contribute to building and validating wireless features across the stack—from access points to controllers and management systems. This is a full development and test role , where you will own features from implementation through validation and automation.

In this role: Develop and integrate wireless features across AP, controller, and management layers Write and maintain software in C/C++ and scripting languages (Python) Design and execute test plans , and develop automation for feature validation Analyze logs, packet traces, and system behavior to debug issues Reproduce issues and validate fixes across system components Set up and use lab environments for testing wireless scenarios Minimum Qualification MS + 0-2 years or BS + 1-3 years of experience Strong programming skills in C/C++ and Python Solid understanding of networking fundamentals and Wi-Fi (802.11 basics) Experience or strong interest in testing, automation, and system validation Strong debugging and analytical skills Preferred Qualification Exposure to wireless controllers or cloud-managed networking systems Experience with tools like Wireshark Familiarity with WPA2/WPA3 security Why Cisco? At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.

We are Cisco, and our power starts with you. Disclaimer To ensure that we hire the best talent in the right way, we follow a strict hiring process and recently, Cisco has been made aware of fraudulent recruiters claiming to be from the company. Please be advised that any communication from Cisco about careers will: be in direct response to an application you have submitted through the company career site begin with screening or an interview originate from a Cisco email address, and be conducted across email, phone, or WebEx Cisco will never make a job offer without conducting an interview process or ask you for money in any way. If you have been requested to apply for a role or have received an offer from a site other than https://careers.cisco.com or cisco.wd5.myworkday.com , do not provide any personal identifying information, including your Aadhaar or other personal identifying number, birth certificate, banking information, driver's license, or passport.

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