SE 1 Frontend Interview experience at Tekion Corp

Overview

This document details a Software Engineer 1 (SE1) frontend interview experience at Tekion Corp. The candidate went through several rounds designed to evaluate their technical skills and problem-solving abilities in a frontend context. The interview process covered topics ranging from data structures and algorithms to practical React development and system design considerations.

Interview Rounds

Round 1:

• The first question involved a string-based data structures and algorithms (DSA) challenge. The specific question link was provided to the candidate.
• The second question required the candidate to implement a 3x3 Tic Tac Toe game using React.

Round 2: Machine Coding

• The machine coding round involved building a countdown timer. This challenge is noted as commonly revealing a candidate's understanding (or lack thereof) of JavaScript closures, particularly in relation to useEffect and useState hooks.

Round 3: Techno-Managerial

• The first question involved a general discussion of the candidate's functional understanding of their previous project at Walmart.
• The second question required the candidate to implement a function that executes an array of promises in series, contrasting its behavior with .all and .any, which execute promises in parallel. A solution was provided by the candidate.

Key Takeaways

• Tekion Corp's frontend interview process for SE1 roles emphasizes a blend of fundamental computer science knowledge (DSA), practical React development skills, and system design thinking.
• The machine coding round specifically targets understanding of JavaScript closures, a crucial concept for effective React development.
• The techno-managerial round assesses both technical depth and the candidate's ability to articulate their understanding of previous project responsibilities and design choices.