GitHub - RezaSi/go-interview-practice: Interactive Go Interview Platform - 30+ coding challenges with instant feedback, AI interview simulation, competitive leaderboards, and automated testing. From beginner to advanced levels with real-world scenarios.

Go Interview Practice

Welcome to the Go Interview Practice repository! Master Go programming and ace your technical interviews with our interactive coding challenges.

Our interactive platform is now live at app.gointerview.dev 🎉 Explore challenges, track your progress, and elevate your Go skills with AI-powered mentorship.

Visual Overview

Interactive Challenge Platform

Our comprehensive web interface provides everything you need to practice and master Go programming:

Code & Test Experience

Competitive Leaderboard

🏆 Top 10 Leaderboard

Our most accomplished Go developers, ranked by number of challenges completed:

Note: The data below is automatically updated by GitHub Actions when challenge scoreboards change.

🏅	Developer	Solved	Rate	Achievement	Progress
🥇	PolinaSvet	30/30	100.0%	Master	✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
🥈	nzamulov	30/30	100.0%	Master	✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
🥉	odelbos	30/30	100.0%	Master	✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅
4	mick4711	23/30	76.7%	Master	✅✅✅✅✅✅✅✅✅✅⬜⬜✅✅⬜ ✅✅✅✅✅✅✅✅⬜⬜✅✅⬜⬜✅
5	Gandook	22/30	73.3%	Master	✅✅✅✅✅✅✅✅✅✅⬜⬜✅⬜⬜ ⬜✅✅✅⬜✅✅✅✅✅✅✅⬜⬜✅
6	y1hao	21/30	70.0%	Master	✅✅✅✅✅✅✅✅⬜✅⬜⬜✅✅⬜ ✅✅✅✅✅✅✅✅⬜⬜⬜✅⬜⬜✅
7	JackDalberg	20/30	66.7%	Master	✅✅✅✅✅✅✅✅⬜✅⬜⬜✅✅⬜ ⬜✅✅✅✅✅✅✅⬜⬜⬜✅⬜⬜✅
8	Ali-Fartoot	19/30	63.3%	Expert	✅✅✅✅✅✅✅✅⬜✅⬜⬜✅⬜⬜ ✅✅✅✅⬜✅✅✅⬜⬜⬜✅⬜⬜✅
9	ashwinipatankar ❤️	17/30	56.7%	Expert	✅✅✅⬜✅✅✅⬜✅✅⬜⬜✅✅⬜ ⬜✅✅✅⬜⬜✅✅⬜⬜⬜✅⬜⬜✅
10	Cpoing	16/30	53.3%	Expert	✅✅✅✅⬜✅✅✅✅✅⬜✅✅✅✅ ⬜✅✅⬜⬜✅⬜⬜⬜⬜⬜⬜⬜⬜⬜

Updated automatically based on 30 available challenges

Challenge Progress Overview

• Total Challenges Available: 30
• Active Developers: 217
• Most Challenges Solved: 30 by PolinaSvet

🚀 Package Challenges Leaderboard

Master Go packages through hands-on challenges! Each package offers a structured learning path with real-world scenarios.

Note: The data below is automatically updated by GitHub Actions when package challenge scoreboards change.

🏅	Developer	Total Solved	Packages	Achievement	Challenge Distribution
🥇	odelbos	17	4 pkgs	🔥 Package Master	cobra: 4 • fiber: 4 • gin: 4 • gorm: 5
🥈	PolinaSvet	8	2 pkgs	💪 Package Advanced	cobra: 4 • gin: 4
🥉	RezaSi	7	6 pkgs	💪 Package Advanced	cobra: 1 • echo: 1 • fiber: 1 • gin: 1 • gorm: 1 • mongodb: 2
4	22-7-co	5	2 pkgs	💪 Package Advanced	gin: 4 • gorm: 1
5	father-frog	4	1 pkg	🚀 Package Intermediate	gin: 4
6	q1ngy	4	1 pkg	🚀 Package Intermediate	gin: 4
7	BrianHuang813	3	1 pkg	🚀 Package Intermediate	gin: 3
8	Kinsue	3	2 pkgs	🚀 Package Intermediate	gin: 2 • gorm: 1
9	ashwinipatankar ❤️	3	1 pkg	🚀 Package Intermediate	cobra: 3
10	aswinsreeraj	3	1 pkg	🚀 Package Intermediate	gorm: 3

🚀 Package Challenges - Learn Go packages through practical, real-world scenarios

📦 Per-Package Progress

Cobra Package

Echo Package

Fiber Package

Gin Package

Gorm Package

Mongodb Package

📊 Package Challenge Statistics

• Total Package Challenges Available: 26

• Active Package Learners: 26

• Available Packages: 6 (cobra, echo, fiber, gin, gorm, mongodb)

• Most Package Challenges Solved: 17 by odelbos

Key Features

• Interactive Web UI - Code, test, and submit solutions in your browser
• Automated Testing - Get immediate feedback on your solutions
• Automated Scoreboards - Solutions are automatically scored and ranked
• Profile Badges - Beautiful auto-updating badges for GitHub profiles, LinkedIn, and portfolios
• Performance Analytics - Track execution time and memory usage for your solutions
• Comprehensive Learning - Each challenge includes detailed explanations and resources
• Progressive Difficulty - From beginner to advanced Go concepts
• AI Interview Simulation - Practice with AI-powered code review and interviewer questions

AI Interview Simulation

Transform your coding practice into realistic interview scenarios with our AI-powered features:

Real-Time Code Review - Get instant feedback on code quality, complexity analysis, and improvement suggestions

Dynamic Interview Questions - AI generates follow-up questions based on your solution approach

Progressive Hints - 4-level hint system from subtle nudges to detailed explanations

Multi-LLM Support - Works with Gemini (recommended), OpenAI, or Claude

Simply add your API key to experience interview-style feedback that adapts to your code and challenges you with realistic technical questions.

AI Interview Experience

Quick Start

Important: You must fork this repository first before cloning, otherwise you won't be able to push your solutions or create pull requests!

Option 1: Web UI (Recommended)

# 1. First, fork this repository on GitHub
#    Go to https://github.com/RezaSi/go-interview-practice
#    Click the "Fork" button in the top-right corner

# 2. Clone your forked repository (replace 'yourusername' with your GitHub username)
git clone https://github.com/yourusername/go-interview-practice.git
cd go-interview-practice

# 3. Start the web interface
cd web-ui
go run main.go

# 4. Open http://localhost:8080 in your browser

# 5. Optional: Enable AI Features (Recommended) 🤖
# Add your free Gemini API key to enable AI interview simulation
echo "AI_PROVIDER=gemini" > web-ui/.env
echo "GEMINI_API_KEY=your_actual_api_key_here" >> web-ui/.env
# Get your free API key: https://makersuite.google.com/app/apikey
# Note: .env files are automatically ignored by git for security

After solving challenges and submitting solutions:

• Your solutions will be automatically saved to your local repository
• Follow the provided Git commands to commit and push your changes
• Create a pull request to contribute your solutions back to the main project

Option 2: GitHub Codespaces (Cloud Development + Web UI)

Want to get started instantly without setting up anything locally? Use GitHub Codespaces!

1. Fork this repository (if you haven't already)
2. Open in Codespaces: Click the green "Code" button on your forked repository, then select "Codespaces" tab
3. Create Codespace: Click "Create codespace on main"
4. Start the Web UI: Once the codespace loads, open a terminal and run:
5. Optional: Enable AI Features: Add your Gemini API key:

   echo "AI_PROVIDER=gemini" > .env
   echo "GEMINI_API_KEY=your_actual_api_key_here" >> .env

6. Access the Web UI: Click on the "Ports" tab in the bottom panel, then click the "Open in Browser" button next to port 8080

Benefits of using Codespaces:

• No local setup required
• Pre-configured Go environment
• Full VS Code experience in the browser
• Automatic port forwarding for the web UI
• All dependencies pre-installed
• Works on any device with a browser

Option 3: Command Line

# 1. Fork the repository first (see step 1 above)
# 2. Clone your fork and set up a challenge workspace
git clone https://github.com/yourusername/go-interview-practice.git
cd go-interview-practice
./create_submission.sh 1  # For challenge #1

# 3. Implement your solution in the editor of your choice

# 4. Run tests
cd challenge-1
./run_tests.sh

Profile Badges for Contributors

Showcase your Go programming achievements with auto-updating profile badges for GitHub profiles, portfolios, and personal websites.

Examples

Quick Usage

[![Go Interview Practice Achievement](https://raw.githubusercontent.com/RezaSi/go-interview-practice/main/badges/YOUR_USERNAME.svg)](https://github.com/RezaSi/go-interview-practice)

After contributing solutions, your badges are automatically generated in badges/YOUR_USERNAME_badges.md with multiple formats ready to use.

Complete Badge Guide & Examples →

Challenge Categories

Beginner

Perfect for those new to Go or brushing up on fundamentals

• Challenge 1: Sum of Two Numbers
• Challenge 2: Reverse a String
• Challenge 3: Employee Data Management
• Challenge 6: Word Frequency Counter
• Challenge 18: Temperature Converter
• Challenge 21: Binary Search Implementation
• Challenge 22: Greedy Coin Change

Intermediate

For developers familiar with Go who want to deepen their knowledge

• Challenge 4: Concurrent Graph BFS Queries
• Challenge 5: HTTP Authentication Middleware
• Challenge 7: Bank Account with Error Handling
• Challenge 10: Polymorphic Shape Calculator
• Challenge 13: SQL Database Operations
• Challenge 14: Microservices with gRPC
• Challenge 16: Performance Optimization
• Challenge 17: Interactive Debugging Tutorial
• Challenge 19: Slice Operations
• Challenge 20: Circuit Breaker Pattern
• Challenge 23: String Pattern Matching
• Challenge 27: Go Generics Data Structures
• Challenge 30: Context Management Implementation

Advanced

Challenging problems that test mastery of Go and computer science concepts

• Challenge 8: Chat Server with Channels
• Challenge 9: RESTful Book Management API
• Challenge 11: Concurrent Web Content Aggregator
• Challenge 12: File Processing Pipeline
• Challenge 15: OAuth2 Authentication
• Challenge 24: Dynamic Programming - Longest Increasing Subsequence
• Challenge 25: Graph Algorithms - Shortest Path
• Challenge 26: Regular Expression Text Processor
• Challenge 28: Cache Implementation with Multiple Eviction Policies
• Challenge 29: Rate Limiter Implementation

How to Use This Repository

1. Explore Challenges

Browse challenges through the web UI or in the code repository. Each challenge includes:

• Detailed problem statement
• Function signature to implement
• Comprehensive test cases
• Learning resources

2. Implement Your Solution

Write code that solves the challenge requirements and passes all test cases.

3. Test & Refine

Use the built-in testing tools to validate your solution, then refine it for:

• Correctness
• Efficiency
• Code quality

4. Submit & Compare

Submit your passing solution to be added to the scoreboard:

• Your solution is automatically tested and scored
• Execution time and resource usage are recorded
• Your solution is ranked among other submissions
• Access detailed performance metrics to optimize further

5. Learn & Progress

Review the learning materials to deepen your understanding of the concepts used.

Contributing

We welcome contributions! You can contribute in several ways:

Submit Solutions:

• Solve existing classic or package challenges
• Submit your solutions via pull request

Add New Challenges:

• Package Challenges: Framework-specific practical applications (Gin, Cobra, GORM, etc.)

Quick Steps:

1. Fork the repository
2. Choose challenge type (classic or package-based)
3. Follow our template structure
4. Submit a pull request

See CONTRIBUTING.md for detailed guidelines on both challenge types.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Stargazers over time

🏢 Premium Sponsors

Thank you to our premium sponsors who make this project possible!

🥈 Silver Sponsors

🏗️ Infrastructure Sponsors

Interested in premium sponsorship? Contact us to feature your company logo here and on our platform!

Happy Coding! 💻