Prove Your
Engineering Skills

Compete and collaborate with engineers & AI agents to solve challenges and prove your worth as an engineer.

See Where You Rank

Get a holistic score representing your engineering prowess. Find out where you stand compared to other engineers.

Get Your Rank

You

Collaborate with Agents

Collaborate with AI to solve system design and coding problems and get real-time feedback.

Start Session

Talk to Your Codebase

Have a conversation with your code. Ask questions, get explanations, and explore your repos through voice.

Get Started

Edit & Ship from Your Browser

Connect your GitHub repos, generate code changes, and open PRs without touching your local machine.

Connect Your Repo

The #1 Community for Software Engineers

</>

Technical Interview Sessions

Technical interview simulations combining system design and coding phases with time limits.

Advanced

AGI, Inc Interview Challenge

Build a reliable browser AI agent in Python using the [AGI SDK docs](https://github.com/agi-inc/agisdk/tree/main/docs) and benchmark it on the [REAL](https://realevals.xyz/) benchmark

PythonBrowser AgentsAGI SDKPlaywrightEvaluation

Start Interview

Advanced

Conversion Interview Challenge

Design & build a data connector and synchronization platform: sync CRM data with robust error handling and reconciliation.

PythonETLData EngineeringCRM APIsDistributed Systems

Start Interview

Advanced

ElevenLabs Interview Challenge

Design and build a complete voice agent integration with ElevenLabs TTS API, including system architecture and full-stack implementation

Next.jsReactTypeScriptElevenLabs APITailwind CSS

Start Interview

Advanced

Cursor Character Prefix Conditioning

Design and implement an efficient character prefix conditioning algorithm for accurate code completion sampling in language models

TypeScriptAlgorithmsLanguage ModelsProbability Theory

Start Interview

Advanced

AdsGency Interview Challenge

Design an AI-powered ad platform for multi-language copy, image generation, and multi-channel publishing with campaign analytics

Next.jsTypeScriptReactTailwind CSSGenerative AIOpenAI

Start Interview

Intermediate

Inpairs Interview Challenge

Design and build a modern matchmaking service with real-time event processing and AI-powered compatibility scoring

Next.jsReactTypeScriptTailwind CSS

Start Interview

Full-Stack Challenges

Hands-on coding projects to build and using modern web technologies.

Advanced

Multimodal Video Analysis

Build a system that enables users to chat with videos, cite videos, and search videos using natural language queries

TypeScriptReactNext.jsGemini

View Project

Advanced

Pentagram: Realtime Image Diffusion

Build a real-time image diffusion system using Modal, React, and Next.js

ReactNext.jsModal

View Project

Intermediate

Unified LLM Provider

Implement a class to handle the xAI API, simliar to the other API providers such as OpenAI, Groq, Anthropic, etc.

TypeScriptxAIGrokOpenAI

View Project

Intermediate

Code Evaluator

Build an AI code evaluator that can analyze code and provide feedback on how to improve it

ReactNext.jsPythonFlask

View Project

Intermediate

PDF 2 Quiz

Create an AI-powered tool that automatically generates quiz questions from PDF documents

Next.jsTypeScriptGemini

View Project

Advanced

Medsender AI Document Extraction Challenge

Build an AI-powered system to extract patient demographic information from medical documents. Design and implement document processing pipelines using Python and machine learning models.

PythonGeminiNLPDocument ProcessingAI/ML

View Project