Michal Mac

Senior Game & Frontend Developer at Binary Digital Solutions

Remote lead in development of interactive web-based applications and short-session browser games designed for marketing campaigns and trade show engagement, focusing on real-time responsiveness, offline capabilities, and intuitive touch-based interactions. Architected a modular frontend system using React and Phaser.js that supports rapid development of gamified experiences, reducing delivery time for new interactive projects by approximately 3 weeks per release cycle. Designed real-time data visualization layers using Canvas API and D3.js to represent dynamic system states such as energy loads and user interactions in an intuitive and engaging manner. Implemented offline-first Progressive Web App architecture ensuring full gameplay functionality without network connectivity, improving reliability in event environments with unstable internet. Built lead capture systems integrated directly into gameplay flows, enabling collection of over 2,000 qualified leads across multiple client even

Senior Software Developer at Binary Digital Solutioins

Designed and developed scalable RESTful APIs and distributed systems using Java, Spring Boot, and Kubernetes. Led feature development and technical design for enterprise applications. Developed and maintained Vue.js applications, optimized UI performance and user experience. Integrated AWS services (EC2, S3, Lambda) to support scalable storage, background processing, and serverless workloads.

Full-Stack Developer at Airbnb

Engineered modern web applications using React, JavaScript, Python, Django, and RESTful APIs. Developed a Python-based data visualization platform for social media analytics. Built Python ETL pipelines, optimized database queries, and implemented comprehensive unit tests. Automated infrastructure provisioning on AWS EC2 and implemented full CI/CD pipelines using Jenkins. Collaborated with stakeholders to deliver solutions across insurance, finance, and enterprise domains. Built enterprise applications using Ruby on Rails, following test-driven development (TDD) practices.

Frontend Engineer at Airbnb

Developed highly interactive frontend features for booking and discovery experiences, working on large-scale React applications handling millions of daily users while maintaining smooth and responsive UI performance. Worked on AI-assisted personalization systems that dynamically adjusted UI components and recommendations based on user behavior patterns, improving engagement metrics and session duration through intelligent content delivery. Integrated machine learning outputs into frontend components, solving challenges around asynchronous rendering, data consistency, and user feedback loops. Built reusable UI components and state management patterns using Redux and modern hooks architecture, reducing code duplication across teams. Improved performance of listing pages by optimizing rendering strategies, reducing time-to-interactive by nearly 1.5 seconds across key flows. Collaborated with backend teams to design APIs supporting real-time updates and seamless data fetching. Participated

Frontend Developer at Shift4

Delivered frontend and full-stack solutions for multiple organizations including Jimmy Pittman Electric, Randstad, and Pike. Built a Django-based blogging platform with rich text editing, user comments, and social sharing. Developed modern UIs using React, Redux, JavaScript, HTML, and SCSS. Provided rapid production support, feature enhancements, and bug fixes. Utilized Cloud Foundry for deployments on Kubernetes-based environments. Designed and implemented C#/.NET applications optimized for high-traffic workloads. Refactored legacy systems to improve performance and maintainability.