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Skills

  • Web Development
  • App Development
  • 3D Design
  • Back End Development
  • Communications Technology
  • Computer Engineer
  • Content Management Systems
  • Data Management
  • Design
  • Game Development
  • Web Design
  • Web Graphics
  • Web Management
  • Web Servers
  • WordPress

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Services

  • IoT Systems Dev

    $30/hr Starting at $500 Ongoing

    Dedicated Resource

    I design and develop complete IoT systems that connect devices, sensors, cloud platforms, and user interfaces into one reliable ecosystem. My solutions include real-time monitoring, automation workflows,...

    App & Mobile DevelopmentCloud ComputingComputer EngineerData ManagementData Processing

  • AI Web Automation

    $25/hr Starting at $500 Ongoing

    Dedicated Resource

    I build advanced AI-driven automation for websites and applications, integrating machine learning, intelligent workflows, prediction models, and real-time decision engines. My services include chatbots,...

    App & Mobile DevelopmentApp DevelopmentAutomation EngineeringChatbotsComputer Engineer

  • WebGL 3D Expert

    $30/hr Starting at $500 Ongoing

    Dedicated Resource

    I create high-quality 3D experiences using WebGL, Three.js, and Babylon.js. My work includes product visualizers, simulations, architectural previews, animations, and custom rendering tools. I optimize...

    3D Design3D RenderingAnimationBack End DevelopmentCommunications Technology

  • WebXR / WebVR Dev

    $40/hr Starting at $1K Ongoing

    Dedicated Resource

    I develop immersive WebXR and WebVR experiences for browsers, delivering interactive VR/AR environments such as virtual showrooms, training apps, simulations, games, and 3D learning tools. My builds support...

    2D Games3D Design3D GamesAndroid Game DevelopmentApp Development

  • Smart Dashboard UI

    $40/hr Starting at $500 Ongoing

    Dedicated Resource

    I design and build modern, responsive dashboards for IoT platforms, AI systems, analytics, monitoring tools, and enterprise applications. My dashboards include real-time data visualizations, charts, alerts,...

    AnalyticsAPI DevelopmentApp DevelopmentBack End DevelopmentCommunications Technology

  • Frontend Pro Dev

    $30/hr Starting at $1K Ongoing

    Dedicated Resource

    I deliver professional front-end development using React, Svelte, TypeScript, and modern frontend architecture. My work includes UI design, performance optimization, API integration, state management,...

    API DevelopmentApp DevelopmentBack End DevelopmentCommunications TechnologyContent Management Systems

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About

Pro Engineer

I am Marko Olah, a highly skilled developer from Serbia specializing in IoT systems, Web AI automation, WebGL/WebXR experiences, and next-generation Web 4.0 applications. I build powerful digital solutions combining smart devices, real-time data, AI logic, and immersive 3D interfaces.
In addition to software, I also provide Civil, MEP, and Mechanical technical drafting, offering complete engineering documentation.
My work is fast, reliable, and focused on innovation, accuracy, and clean execution.

Work Terms

Availability: Full-time or part-time based on project needs

Communication: Quick responses via Guru messages.

Project Workflow:
Requirements review
Technical plan & milestones
Development updates (daily or weekly)
Final delivery with full documentation

Payments: Milestone-based or hourly—flexible based on project scope
Revisions: Included until all agreed-upon deliverables meet expectations
Transparency & Reliability: I guarantee clear communication, on-time delivery, and professional collaboration