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With AI, Everyone is a Dev. EveryDev.ai © 2026
    1. Home
    2. Developers
    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
    20Tool Views
    5Capabilities
    Discussions
    Rijeka, CroatiaHeadquarters
    2019Est.
    10Employees
    Focus Areas
    Multi-agent Systems
    Collaboration Spaces
    Documentation
    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

    05/01/2026

    How Senior Engineers Actually Build With AI in 2026

    jsmastery.com
    01/01/2026

    Most Common Mistakes Developers Make in React Native

    jsmastery.com
    01/01/2026

    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:

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