The Work Trial
Platform for Startups

LinkedIn profiles can be faked. GitHub can be faked. Understand how your candidates think, collaborate, and code with AI agents.

Technical Interview Sessions

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

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

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

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

Intermediate

Forecast Interview Challenge

Design a financial forecasting algorithm for Forecast, a personal finance app that shows users where their money is heading.

SwiftFinancial AlgorithmsData StructuresBusiness Logic

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

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

HuggingFace Interview Challenge

Build a model evaluation pipeline using Hugging Face Hub models with automated benchmarking and performance tracking.

TypeScriptPythonHugging FaceInference APISpaces

Start Interview

Advanced

Endgame Interview Challenge

Design realtime chess architecture and implement a Python engine for move validation, PGN, and basic evaluation.

PythonWebSocketsRedisPostgreSQLChessElo

Start Interview

Advanced

Orchard Interview Challenge

Design the ML infrastructure and data pipelines for large-scale agricultural imaging, focus on robust ETL, distributed training, evaluation, and deployment at edge/cloud scale.

PythonPyTorchData EngineeringML OpsKubernetesAirflow/PrefectS3/GCSModel Registry

Start Interview

Advanced

Delphi Interview Challenge

Design and build an AI clone platform similar to Delphi: ingest a person's multi-modal data to create a persistent, queryable persona clone that can converse and act.

PythonEmbeddingsVector DBLLMs

Start Interview

Full-Stack Challenges

Hands-on coding projects to build and deploy real applications 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

Wason Inductive Logic Test

Build and enhance WILT - a simple, general, multi-turn inductive logic test for language models based on the Wason 2-4-6 task

PythonOpenAI APIAnthropic APIStatistical AnalysisData VisualizationConcurrent ProgrammingAPI Rate Limiting

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

Advanced