Practice Real-World Frontend Challenges & Prepare for Developer Jobs
AI can generate code, but great Frontend Engineers understand it.
IOCombats helps you master real-world UI development with design-to-code challenges that sharpen your skills — not just your shortcuts.
Interview Questions to Practice and Ace Your Next Dev Interview
Explore Jobs from Top Sources
Data from: LinkedIn, Upwork, Y Combinator, ATS & more
Hyderabad, Telangana, India
Morgan Stanley
about 6 hours ago
Lead DotNet Fullstack Software Engineer - Vice President - Software Engineering
Mumbai, Maharashtra, India
India
Hyderabad, Telangana, India
Pune City, Maharashtra, India
Chennai, Tamil Nadu, India
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How Full-Stack Became the New Default: Insights From 2025 Hiring Data
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Prompt Templates Every Developer Should Have in 2025
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Developer Prompts to Boost Your Productivity
backend | database
Design Database Relationships Using AI
Use this AI prompt to automatically design one-to-many and many-to-many database relationships between entities, including relational mappings and foreign keys.
Claude 3 Opus or GPT-4o
backend | database
Optimize MongoDB Queries for Performance
Use this AI prompt to analyze MongoDB queries, detect performance issues, and suggest indexing or aggregation optimizations for faster execution.
Claude 3 Opus
backend | database
Generate Mongoose Schema for MongoDB Collections
Use this AI prompt to generate MongoDB Mongoose schemas with validation, indexes, timestamps, and references between collections for scalable data modeling.
GPT-4o or Claude 3.5 Sonnet
backend | nodejs
Implement JWT Authentication in Node.js and Express
Use this AI prompt to generate complete JWT authentication for Node.js with login, signup, and middleware-based token verification for protected routes.
GPT-4o or Claude 3.5 Sonnet
backend | nodejs
Add Centralized Error Handling Middleware in Express
Use this AI prompt to create a global error-handling middleware for Express that formats error responses, logs issues, and prevents crashes in production.
Claude 3.5 Sonnet or GPT-4o
backend | nodejs
Optimize Node.js and Express API Performance
Use this AI prompt to analyze your Express app and get AI-generated recommendations for performance improvements such as caching, async optimization, and route-level profiling.
Claude 3 Opus or GPT-4o
Master Frontend Skills by Rebuilding Real Interfaces
Skip the to-do apps and generic layouts — IOCombats gives you realistic, hand-crafted UI challenges inspired by actual product designs. Learn by doing, not by watching.
- Framework-agnostic challenges — use React, Vue, Angular and more
- Responsive layouts with Figma-style design references
- Component-based tasks that mirror real-world apps
- Track submissions and showcase your public profile
Find Frontend Jobs Without Wading Through Irrelevant Listings
We aggregate jobs from LinkedIn, Upwork, YC startups, and verified ATS sources — and show you only the ones that matter for frontend engineers.
- Remote, local, freelance, and full-time jobs
- Roles filtered by frontend and fullstack technologies
- Clean job cards with company info, salary, and direct apply links
- Stay within your tech niche and job preferences
Ready to Level Up?
Join the waitlist and get early access to IO Combats!