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    1. Home
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    3. Adrian Hajdin (JavaScript Mastery)

    Adrian Hajdin (JavaScript Mastery)

    The no.1 platform for transitioning from beginner to advanced developer through outcome-focused, production-grade projects.

    Visit Website

    At a Glance

    1Tool Listed
    6Products
    51Tool Views
    5Capabilities
    Discussions
    Rijeka, CroatiaHeadquarters
    2019Est.
    10Employees
    Focus Areas
    Documentation
    Multi-agent Systems
    Collaboration Spaces
    Connect
    Latest News
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    Markets
    • Beginner to Intermediate Developers
    • Aspiring Software Engineers
    • Self-taught Developers

    AI Tools by Adrian Hajdin (JavaScript Mastery)

    (1)
    View Ghost AI
    Ghost AI tool icon

    Ghost AI

    AI Diagram Planning for Teams

    Multi-agent SystemsCollab SpacesDocumentation

    Discussions

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    Latest News

    05/2026

    How Senior Engineers Actually Build With AI in 2026

    jsmastery.com
    2026

    Most Common Mistakes Developers Make in React Native

    jsmastery.com
    2026

    Authentication Flow on the Web

    jsmastery.com
    Recent

    Versioning Express APIs Without Breaking Clients

    jsmastery.com

    Products & Services

    6
    The Complete Testing Course
    2026

    A comprehensive course on testing real, production-grade Next.js applications.

    The Ultimate Next.js 16 Course
    2026

    In-depth guide to building fullstack ReactJS apps with Next.js 16.

    Web Animations Full Course (GSAP)
    Recent

    Master GSAP animations by building a GTA VI website and other practical projects.

    Dev Career Accelerator
    Recent

    Strategies and insights for landing developer jobs and leveling up skills.

    Market Position

    Differentiates by focusing on high-quality, production-grade projects and 'learning by doing' rather than traditional syntax-focused tutorials.

    Leadership

    Founders

    AH

    Adrian Hajdin

    3x GitHub Star and recognized educator. Previously a Senior Software Engineer at PerfectCheckout.com and Chief Educator at Mem Dev. Speaker at GitNation.

    Executive Team

    AH

    Adrian Hajdin

    Founder & CEO

    Experienced software engineer and tech educator, 3x GitHub Star.

    Founding Story

    Adrian Hajdin started JS Mastery as a YouTube channel to provide project-based education, focusing on building production-level applications rather than just theory.

    Business Model

    Revenue
    Not publicly reported

    Revenue Model

    Subscription-based membership (SaaS model) for the JS Mastery Pro platform, plus individual course sales.

    Pricing Tiers

    Quarterly Plan
    $98 / month

    Billed $294 every 3 months. Full access to premium content and community.

    Yearly Plan
    $73 / month

    Billed $880 annually. Most popular plan with full access to all courses.

    Privately held

    Target Markets

    Industries & Segments
    • Beginner to Intermediate Developers
    • Aspiring Software Engineers
    • Self-taught Developers
    Use Cases
    • Transitioning to a professional developer role
    • Upskilling to senior developer level
    • Building production-grade SaaS applications
    Notable Customers
    • Jeremy McCabe
    • Alvin Kuishinbō
    • Anyars Yussif
    • Ahmed Hassan

    Quick Facts

    Headquarters
    Rijeka, Croatia
    Founded
    2019
    Entity Type
    d.o.o.
    Employees
    10
    Total Funding
    Self-funded / Bootstrapped
    Office Locations
    Mladenići 14

    History & Milestones

    2024

    Reached 1.1 million subscribers on YouTube.

    January 2019

    JavaScript Mastery (JS Mastery) is founded by Adrian Hajdin.

    Recent

    Launch of JS Mastery Pro, a premium project-based learning platform.

    Ongoing

    Built a combined community of over 2 million developers across platforms.

    Key Capabilities

    5
    Mock AI Interviewer
    AI Assistant for developers
    Private Dev Community
    Expert code feedback
    Portfolio-ready projects

    Integrations & Partnerships

    Platform Integrations

    • Vercel
    • Clerk
    • TanStack
    • Prisma

    Key Partnerships

    GitNation
    GitHub (GitHub Stars program)

    Connect

    Website
    jsmastery.com
    GitHub
    adrianhajdin
    YouTube
    @javascriptmastery
    Discord
    n6EdbFJ

    AI Topics

    3

    Adrian Hajdin (JavaScript Mastery) focuses on these topics:

    Documentation(1)
    Multi-agent Systems(1)
    Collaboration Spaces(1)
    Back to all developersSuggest an edit