Project-based learning for software engineers — hands-on projects, mentor feedback, and career-ready portfolios.
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A developer-centric platform for hands-on software engineering through project-based learning, practical challenges, and real-world stacks.
Trusted by developers worldwide
Unlock faster skill-building with mentor feedback, real-world stacks, and a portfolio that speaks to potential employers.
Get actionable feedback from mentors after project reviews to accelerate growth.
Work with modern tech stacks used in the industry, from frontend to cloud.
Build a career-ready portfolio through project-based learning that you can showcase.
Explore tracks across Web Dev, Backend, DevOps, Data/AI, and Security. Each card lists level, duration, prerequisites, and a syllabus link.
6–8 weeks
Prerequisites: Basic HTML/CSS
View syllabus8–10 weeks
Prerequisites: Node.js basics
View syllabus6–9 weeks
Prerequisites: Git basics
View syllabus6 weeks
Prerequisites: Python basics
View syllabus4–6 weeks
Prerequisites: Web fundamentals
View syllabusBrowser-based sandboxes for HTML/CSS/JS, Python, Node, and Go. Try snippets and see instant previews.
<div class="box">Hello ZeroBug</div>
<style>.box{color:#0ff; font-family: sans-serif; background:#111; padding:10px; border-radius:6px;}</style>
<script>document.querySelector('.box').addEventListener('click', ()=> alert('Hello from Playground!'));</script>def greet(name):
return f"Hello, {name}!"
print(greet("ZeroBug"))const http = require('http');
http.createServer((req, res) => {
res.end('Hello from Node Playground');
}).listen(8080);package main
import "fmt"
func main() {
fmt.Println("Hello from Go Playground")
}Explore representative projects with clear goals, tech stacks, and access to repositories and demos.
Goals: Build a RESTful service with authentication and rate limiting.
Tech stack: Node.js, Express, PostgreSQL
Difficulty: Intermediate
Goals: Automated builds, tests, and deployments.
Tech stack: GitHub Actions, Docker
Difficulty: Intermediate
Goals: Build interactive dashboards with data visualizations.
Tech stack: React, TypeScript, D3
Difficulty: Intermediate
Goals: Build reporting dashboards from relational data.
Tech stack: PostgreSQL, SQL, BI tools
Difficulty: Beginner–Intermediate
Get ongoing support via Discord/Forum, peer code reviews, and weekly office hours. Read testimonials from learners who’ve accelerated their careers.
Upcoming features and recent updates to ZeroBug.dev.
Most tracks require 4–6 hours per week; some projects can be lighter or heavier depending on your pace.
Prerequisites vary by track. Beginner tracks start from basics; more advanced tracks assume familiarity with core concepts.
Refund policies apply per course, typically within 14 days of enrollment if no completed milestones exist.
Pro plan includes certificates after completing tracks and milestones.
Yes—Discord, Forum, and weekly office hours. Keyboard accessibility is supported throughout the UI.
Private repos are included with Pro, to support private projects and portfolio-building.
Join Free to explore tracks and start your first project in minutes. Upgrade anytime for more features.
Latest articles on language deep-dives, architecture patterns, and career tips, plus a comprehensive documentation hub.
Guides, API docs, and best practices to accelerate your learning journey.
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