Role guide · Updated Oct 20, 2026

Full Stack Engineer Interview Guide 2026

Full Stack Engineer loops test React, Java and JavaScript first, then Full-Stack Development and Problem Solving. Everything below is aggregated from 7,791 candidate reports and 1,064 company guides.

7,791
Candidate reports
7,730
Reported questions
1,064
Companies with a guide
3rounds
Median loop length
01 · What interviews test

Topics by share of guides

React
30%
Java
28%
JavaScript
27%
Full-Stack Development
25%
Problem Solving
24%
System Design
23%
SQL
20%
Backend Development
17%
02 · Typical process

Recurring stages, by frequency

  1. 1
    Recruiter or HR screen
    Background, motivation, target level and timeline.
    68%
  2. 2
    Technical screen
    A short live technical round before the main loop.
    15%
  3. 3
    Assessment or take-home
    Online test, case study or take-home exercise.
    63%
  4. 4
    Technical interviews
    Deep dives on the core skills the role tests.
    64%
  5. 5
    Hiring manager interview
    Role fit, past work and how you would operate on the team.
    10%
  6. 6
    Behavioral and culture fit
    Past situations, collaboration and values.
    19%
  7. 7
    Panel or team interviews
    Several interviewers at once, often cross-functional.
    12%
  8. 8
    Final or onsite round
    A multi-interview loop, sometimes with leadership.
    28%
03 · Company guides

Popular Full Stack Engineer interview guides

Browse all 1,064 →
07 · Recent experiences

What candidates reported recently

All experiences →
Accenture in India
Aug 14, 2026 · Difficult

My recruitment process felt straightforward, mostly because it stayed focused on technical discussion. I had one interview that was explicitly technical, and then the final stage was with a Delivery Manager. What I didn’t get was a formal HR interview in between. The technical portion was the main checkpoint, and then

No offer
TSMC
Aug 5, 2026 · Average

I had a panel interview with three people: one software engineer, one DevOps person, and one HR representative. The questions were mostly behavioral and situational, and the tone felt pretty standard and straightforward. There was also an online assessment tied to the process, and I didn’t do as well on that part as I’

No offer
Allegion
Jul 30, 2026 · Average

My process initially felt promising. The HR contact was responsive before the interview, and I ended up doing two technical rounds that each ran about 1 to 1.5 hours. I spent almost the whole day at the company, and I remember being told I’d get an update by the end of the day. Then everything stalled. After that, I h

No offer
Valeo
Jul 29, 2026 · Average

The process began after I sent my CV, then I completed a HackerRank assessment that spanned backend, front-end, HTTP, and cloud-related knowledge. Once that was done, they sent a task where I had to build a simple online store or marketplace. The next step was an interview where I walked through that task and my exper

No offer
Yochana
Jul 29, 2026 · Average

After an HR screening, I moved into two technical rounds and then wrapped up with a managerial discussion. The whole thing felt fairly smooth, and the difficulty matched that “average” level—nothing that completely blindsided me, but it still required solid problem-solving. Across the technical rounds, I talked throug

No offer
Prep for Full Stack Engineer interviews with a plan built from this data
A question queue weighted to the topics above, plus scored mock interviews.