Cisco Frontend Engineer interview questions and process

Updated 29 Sep 2026 · 14 sources

Hiring Pulse: where Cisco candidates are right now

Dated status reports from public Reddit threads and anonymous PortLume reports, updated Oct 15. Not official Cisco data.

4 status reports in the last 7 days
Not enough data yet: median from final interview to a decision shows at 5+ people (1 so far)
Latest movement: 1 offer, 2 final rounds reported since Oct 11

Latest Cisco hiring reports

Oct 14: Applied Oct 12 (r/leetcode)
Oct 14: Final round Oct 14 (r/Btechtards)
Oct 12: Offer Oct 12 (r/Btechtards)
Oct 11: Final round Sep 30 (r/developersIndia)
Oct 4: Offer Oct 4 (r/csMajors)

Candidates rate the Cisco Frontend Engineer interview Medium-Hard: Cisco's reported rounds combine medium-to-hard DSA (DP, greedy) with core CS theory, and frontend-specific reports are thin, so expect a generalist SWE bar plus JS/UI depth. Reports describe 4 rounds, from Online Assessment (DSA + MCQs on core CS) to HR / Managerial Round, with about 3-6 weeks from OA to offer based on reported timelines (OA to round 1 ~10 days, round 1 to round 2 ~5 days) from first call to offer.

Difficulty: Medium-Hard
Estimated salary: 17-25 LPA for new-grad full-time roles (Cisco Ideathon and Code With Cisco).
Skills asked about: JavaScript (closures, event loop, async), React or Angular, HTML/CSS and DOM APIs

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Cisco Frontend Engineer interview rounds

Online Assessment (DSA + MCQs on core CS): Reported Cisco OAs run 60-90 minutes with 2-3 medium-to-hard coding problems (DP and greedy appear repeatedly) plus ~30 MCQs on core subjects and aptitude.
Technical Round 1 - DSA / problem solving
Technical Round 2 - CS fundamentals (networks, OS, DBMS) and role-specific depth
HR / Managerial Round

Questions reported in Cisco Frontend Engineer interviews

Explain the event loop and how microtasks differ from macrotasks in JavaScript.
How would you optimize the rendering performance of a large list in React?
Explain how routers work and what a subnet mask does.
Write a solution for a medium DP problem and a greedy problem under time pressure.
How does HTTP caching work and how would a frontend engineer use it?

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Cisco Frontend Engineer interview: quick answers

How many rounds are in the Cisco Frontend Engineer interview?

Public reports describe 4 rounds for the Cisco Frontend Engineer interview: (1) Online Assessment, (2) Technical Round 1 - DSA / problem solving, (3) Technical Round 2 - CS fundamentals and role-specific depth, (4) HR / Managerial Round. Based on 14 public reports, last updated Sep 2026.

Is the Cisco interview difficult?

Public reports put the Cisco Frontend Engineer interview at Medium-Hard difficulty. Cisco's reported rounds combine medium-to-hard DSA (DP, greedy) with core CS theory, and frontend-specific reports are thin, so expect a generalist SWE bar plus JS/UI depth. The process has 4 rounds, from Online Assessment to HR / Managerial Round.

Does Cisco ask DSA in Frontend Engineer interviews?

Yes. Rounds that involve coding: Online Assessment (DSA + MCQs on core CS), Technical Round 1 - DSA / problem solving. Generalist SWE screen with heavy Computer Networks theory and medium-hard DSA; frontend-specific depth is probed through JS and framework questions rather than a dedicated UI system design round.

How long does Cisco take to give results?

Time to a result for the Cisco Frontend Engineer process, per public reports: 3-6 weeks from OA to offer based on reported timelines (OA to round 1 ~10 days, round 1 to round 2 ~5 days). The process has 4 rounds, from Online Assessment to HR / Managerial Round.

What is the Cisco Frontend Engineer fresher salary?

Estimated from public salary data: 17-25 LPA for new-grad full-time roles (Cisco Ideathon and Code With Cisco). This is not an official Cisco figure, and pay varies by level, city and experience. Based on 14 public reports, last updated Sep 2026.

Sources

Based on 14 public reports: YouTube (8), LeetCode Discuss (6), last updated Sep 2026.

Compiled by Adarsh Sharma from public candidate reports. Unofficial guide: PortLume AI is not affiliated with Cisco.

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