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Coding, Software & Engineering Technology & Engineering AI Simulations

AI Simulations

Skill Paths

Validate core software developer skills with hands-on coding simulations. Assess candidates and upskill teams using live coding challenges, pair programming, and system design scenarios. Test proficiency in Java, Python, C#/.NET, JavaScript, React, and all the most popular languages for front-end and back-end developers. Go beyond algorithms to see how developers debug legacy code, collaborate on code reviews, and articulate technical decisions. Listen to them explaining things live in calls and interact with colleagues and stakeholders. The most effective way to predict job performance, screen for quality, and build a world-class engineering team.

Sr. React Front-End Developer: Fix a Bug in Production

Fix a React drag-and-drop bug, then answer three reasoning questions with Morgan.

Skill Verification

Skills:Front-End Development, Problem Solving, Communication

Backend Developer C++ (Junior): Code Debugging & Discussion

Debug C++ code and discuss your fixes and optimizations with your manager.

Skill Verification

Skills:Problem Solving, Code Debugging, Adaptability, Flexibility, and Initiative

Backend Developer Python (Junior): Code Debugging & Discussion

Debug Python, then explain process, alternatives, and optimizations to your manager.

Skill Verification

Skills:Problem Solving, Code Debugging, Adaptability, Flexibility, and Initiative

Backend Java (Junior): Code Debugging & Discussion

Debug Java, then explain process, alternatives, and optimizations to your manager.

Skill Verification

Skills:Problem Solving, Code Debugging, Adaptability, Flexibility, and Initiative

Backend C++: Custom Container Design

Improve a C++ class or function template for type safety and performance.

Skills:C++, Technical Communication

Backend Advanced C++: Fix Polymorphism Code

Discuss, fix, and explain improvements in Lina's C++ polymorphism code.

Skills:C++, Code Review

Backend C++: Build a Generic Data Cache with STL Templates

Develop and explain a C++ cache, with Marcus as a supportive technical reviewer.

Skills:Technical Communication, C++

Backend Advanced C++: Production Multithreading Debugging

Debug C++ multithreading outage, fix code, and explain solution simply.

Skills:Technical Problem-Solving, C++

Backend Developer: learn how to adopt NoSQL in an existing project

Show generic NoSQL strategy for scalable community features in a voice call.

Skills:Technical Communication, NoSQL databases

Backend C++: Memory Management From Analysis to Implementation

Address C++ memory issues via review, refactoring, and justification of your decisions.

Skills:C++, Technical Communication

Junior Web Engineer: App Stability Under Pressure

Stabilize banking app release amid technical and cross-functional team challenges.

Skill Verification

Skills:Debugging, Execution Ability, Sales Team Collaboration

Senior Frontend Developer (REACT): Scalable Checkout, Performance Optimization at BrightTicket

Refactor React checkout for speed and reliability under urgent production pressure.

Skill Verification

Skills:Performance Optimization, ReactJS, Team Communication

Junior developer (REACT): Critical Bug Fix & Stakeholder Communication

Fix urgent React bugs under pressure and handle difficult senior-developer collaboration effectively.

Skill Verification

Skills:Debugging, Front-End Development, Technical Communication

Front-end Engineer (Vue 3): Rapid Debugging Sprint for Startup Demo

Fix urgent Vue 3 bugs and polish UI for a high-stakes investor demo.

Skill Verification

Skills:Technical Problem-Solving, Control Software Debugging

Jr Java Developer: find the bug and explain the solution

Diagnose and fix a Java bug, then clearly explain your solution to management.

Skill Verification

Skills:Technical Communication, Java, Code Debugging

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