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README

Go Interview Practice

⭐ Star the repo if it’s useful to you

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

Our interactive platform is 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:

A brief introduction to the project

Code & Test Experience

Go Interview Practice Web UI - challenge

Interactive Code Editor Write, edit, and test your Go solutions with syntax highlighting and real-time feedback

Instant Results & Analytics Get immediate test results, performance metrics, and detailed execution analysis

Competitive Leaderboard

Go Interview Practice - Main Leaderboard

Beautiful leaderboard showcasing top developers with challenge completion indicators, rankings, and achievements

🏆 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 | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅

✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 🥈 |

PopovMarko | 30/30 | 100.0% | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅

✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 🥉 |

mvsouza | 30/30 | 100.0% | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅

✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 4 |

nzamulov | 30/30 | 100.0% | Master | ✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅

✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 5 |

odelbos | 29/30 | 96.7% | Master | ✅⬜✅✅✅✅✅✅✅✅✅✅✅✅✅

✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 6 |

imankhodadi | 28/30 | 93.3% | Master | ✅✅✅✅✅✅✅✅✅✅✅⬜✅⬜✅

✅✅✅✅✅✅✅✅✅✅✅✅✅✅✅ | | 7 |

mick4711 | 23/30 | 76.7% | Master | ✅✅✅✅✅✅✅✅✅✅⬜⬜✅✅⬜

✅✅✅✅✅✅✅✅⬜⬜✅✅⬜⬜✅ | | 8 |

Gandook | 21/30 | 70.0% | Master | ✅⬜✅✅✅✅✅✅✅✅⬜⬜✅⬜⬜

⬜✅✅✅⬜✅✅✅✅✅✅✅⬜⬜✅ | | 9 |

y1hao | 20/30 | 66.7% | Master | ✅⬜✅✅✅✅✅✅⬜✅⬜⬜✅✅⬜

✅✅✅✅✅✅✅✅⬜⬜⬜✅⬜⬜✅ | | 10 |

Ali-Fartoot | 19/30 | 63.3% | Expert | ✅✅✅✅✅✅✅✅⬜✅⬜⬜✅⬜⬜

✅✅✅✅⬜✅✅✅⬜⬜⬜✅⬜⬜✅ |

✅ Completed • ⬜ Not Completed

All 30 challenges shown in two rows

Updated automatically based on 30 available challenges

Challenge Progress Overview

Total Challenges Available: 30
Active Developers: 360
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
🥇

22-7-co | 5 | 2 pkgs | 💪 Package Advanced | gin: 4 • gorm: 1 | | 7 |

ItalloMangueBoy | 4 | 1 pkg | 🚀 Package Intermediate | gin: 4 | | 10 |

father-frog | 4 | 1 pkg | 🚀 Package Intermediate | gin: 4 |

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

📦 Per-Package Progress

Cobra Package

Rank	Developer	Completed	Progress
🥇	PolinaSvet	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
🥈	odelbos	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
🥉	PopovMarko	3/4	🟩🟩🟩🟩🟩🟩🟩⬜⬜⬜ 75%
4	ashwinipatankar	3/4	🟩🟩🟩🟩🟩🟩🟩⬜⬜⬜ 75%
5	RezaSi	1/4	🟩🟩⬜⬜⬜⬜⬜⬜⬜⬜ 25%

Echo Package

Rank	Developer	Completed	Progress
🥇	RezaSi	1/4	🟩🟩⬜⬜⬜⬜⬜⬜⬜⬜ 25%

Fiber Package

Rank	Developer	Completed	Progress
🥇	odelbos	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
🥈	0xSangeet	1/4	🟩🟩⬜⬜⬜⬜⬜⬜⬜⬜ 25%
🥉	RezaSi	1/4	🟩🟩⬜⬜⬜⬜⬜⬜⬜⬜ 25%

Gin Package

Rank	Developer	Completed	Progress
🥇	22-7-co	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
🥈	ItalloMangueBoy	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
🥉	Mxn-ptr	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
4	PolinaSvet	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
5	PopovMarko	4/4	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%

Gorm Package

Rank	Developer	Completed	Progress
🥇	odelbos	5/5	🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 100%
🥈	aswinsreeraj	3/5	🟩🟩🟩🟩🟩🟩⬜⬜⬜⬜ 60%
🥉	imankhodadi	3/5	🟩🟩🟩🟩🟩🟩⬜⬜⬜⬜ 60%
4	Onkar-25	2/5	🟩🟩🟩🟩⬜⬜⬜⬜⬜⬜ 40%
5	grozdovk	2/5	🟩🟩🟩🟩⬜⬜⬜⬜⬜⬜ 40%

Mongodb Package

Rank	Developer	Completed	Progress
🥇	RezaSi	2/5	🟩🟩🟩🟩⬜⬜⬜⬜⬜⬜ 40%
🥈	Onkar-25	1/5	🟩🟩⬜⬜⬜⬜⬜⬜⬜⬜ 20%
🥉	maket12	1/5	🟩🟩⬜⬜⬜⬜⬜⬜⬜⬜ 20%

📊 Package Challenge Statistics

Total Package Challenges Available: 26
Active Package Learners: 51
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

AI Code Review - Real-time feedback and analysis AI Interview Questions - Dynamic follow-up questions

AI Code Review Get instant feedback on code quality, complexity analysis, and improvement suggestions from AI

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

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)

```bash

1. First, fork this repository on GitHub

Go to https://g

Extension points exported contracts — how you extend this code

BookService (Interface)

Implement BookRepository methods for InMemoryBookRepository ... BookService defines the business logic for book operatio [15 …

challenge-9/solution-template.go

BookService (Interface)

BookService defines the business logic for book operations [15 implementers]

challenge-9/submissions/odelbos/solution-template.go

ContentFetcher (Interface)

ContentFetcher defines an interface for fetching content from URLs [10 implementers]

challenge-11/solution-template.go

ContentFetcher (Interface)

ContentFetcher defines an interface for fetching content from URLs [10 implementers]

challenge-11/submissions/odelbos/solution-template.go

ProductService (Interface)

ProductService interface [32 implementers]

challenge-14/solution-template.go

ProductService (Interface)

ProductService interface [32 implementers]

challenge-14/submissions/odelbos/solution-template.go

Shape (Interface)

Shape interface defines methods that all shapes must implement [132 implementers]

challenge-10/solution-template.go

Shape (Interface)

Shape interface defines methods that all shapes must implement [132 implementers]

challenge-10/submissions/jrbarbati/solution-template.go

Core symbols most depended-on inside this repo

Run

called by 505

challenge-8/submissions/PolinaSvet/solution-template.go

Get

called by 493

challenge-28/submissions/nzamulov/solution-template.go

Contains

called by 491

challenge-27/solution-template.go

Error

called by 390

challenge-7/solution-template.go

Error

called by 361

packages/gin/challenge-2-middleware/submissions/sweet-boby/solution.go

Error

called by 311

challenge-12/solution-template.go

Add

called by 296

challenge-27/solution-template.go

Area

called by 295

challenge-10/submissions/ahmedpyarali2/solution-template.go

Shape

Function 7,698

Method 5,188

Struct 2,357

Interface 229

TypeAlias 47

FuncType 4

Class 3

Languages

Go100%

TypeScript1%

Python1%

Modules by API surface

challenge-28/submissions/PopovMarko/solution-template.go65 symbols

challenge-28/submissions/PolinaSvet/solution-template.go62 symbols

challenge-29/submissions/PopovMarko/solution-template.go61 symbols

challenge-29/submissions/imankhodadi/solution-template.go60 symbols

challenge-29/submissions/PolinaSvet/solution-template.go59 symbols

challenge-9/submissions/PolinaSvet/solution-template.go58 symbols

challenge-28/submissions/imankhodadi/solution-template.go56 symbols

challenge-28/submissions/nzamulov/solution-template.go55 symbols

challenge-29/submissions/mvsouza/solution-template.go54 symbols

challenge-9/submissions/Kosench/solution-template.go53 symbols

challenge-28/submissions/odelbos/solution-template.go53 symbols

challenge-9/submissions/imankhodadi/solution-template.go51 symbols

Dependencies from manifests, versioned

github.com/andybalholm/brotliv1.2.0 · 1×

github.com/bytedance/sonicv1.9.1 · 1×

github.com/chenzhuoyu/base64xv0.0.0-2022111506244 · 1×

github.com/davecgh/go-spewv1.1.1 · 1×

github.com/fsnotify/fsnotifyv1.7.0 · 1×

github.com/gabriel-vasile/mimetypev1.4.2 · 1×

github.com/gin-contrib/ssev0.1.0 · 1×

github.com/gin-gonic/ginv1.9.1 · 1×

github.com/go-playground/localesv0.14.1 · 1×

github.com/go-playground/universal-translatorv0.18.1 · 1×

github.com/go-playground/validator/v10v10.16.0 · 1×

github.com/goccy/go-jsonv0.10.2 · 1×

Datastores touched

usersCollection · 1 repos

productsCollection · 1 repos

(mongodb)Database · 1 repos

user_managementDatabase · 1 repos

product_catalogDatabase · 1 repos

For agents

$ claude mcp add go-interview-practice \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact