Coding practice and feedback for technical interview preparation.
Visit WebsiteDevPrep Lab gives developers a place to work through coding problems and get AI-assisted feedback before a technical interview.
Case study
DevPrep Lab
01 / Challenge
What needed to change
The Challenge
The product needed to manage a growing problem library, run an AI feedback loop, and keep the practice flow understandable for users at different skill levels.
Key requirements included:
- A wide range of coding problems across various difficulty levels
- AI-powered feedback to help users improve their coding skills
- A user-friendly interface that encourages engagement
- Scalability to accommodate a growing user base
- Integration with third-party services for enhanced functionality
Implementation
We mapped the practice workflow, built the React and Node.js application, and integrated the feedback service. The data model and hosting setup leave room for a larger problem library and user base.
Our main goals were to:
- Discovery phase to understand client needs and target audience
- Design and development of the platform using React and Node.js
- Integration of AI-powered feedback system
- Ensuring scalability for future growth
- Post-launch monitoring and optimization
02 / Implementation
How the work moved forward
03 / Solution
What we built
Our Solution
We developed a custom software solution using React for the frontend and Node.js for the backend. The platform features a comprehensive library of coding problems, an AI-powered feedback system, and a responsive design to ensure a seamless user experience across all devices.
Key features included:
Technology Stack
We used cutting-edge technologies to build a fast, reliable platform