Projects

delen.rs

Co-founder & CTO
2024
  • Delivered a local marketplace for secondhand fashion, allowing users to buy, sell, and trade used clothing, accessories, and related items
  • Designed for rapid feature deployment and seamless horizontal scaling utilizing different SaaS providers

Local Marketplace for Vacation Lodging

Solution Architect & Technical Lead
2018 – 2024
  • Designed and architected a scalable vacation rental marketplace from ground up, handling 100,000+ MAU with 99.9% uptime
  • Implemented a high-availability architecture with real-time booking system, achieving sub-second response times even during 10x traffic spikes
  • Built and led a cross-functional team of 12 engineers while taking the hands-on full-stack development approach

Real-Time Multiplayer Graphical Survey Builder

Solution Architect
2022 – 2023
  • Revitalized a struggling project and improved the technical approach by addressing critical UI/UX performance issues caused by inadequate DOM handling
  • Achieved a seamless user interaction by shifting the architecture from a traditional model to a local-first paradigm
  • Incorporated a thin conflict-resolution layer enabling real-time collaboration between multiple users while maintaining data consistency

Portable Toiler Rental Management System

Solution Architect & Technical Lead
2022
  • Drove a client's service capacity growth by 20x and enhanced operational efficiency by spearheading the digital transformation for a client's portable toilet rental business
  • Led a dedicated engineering team of 5 while taking a hands-on approach across the stack, from system design to feature implementation

Hoho i Komadić Sunca

Founder
2021 - 2022
  • Founded and led a children's educational game studio, assembling a cross-functional team of graphic designers, children's content writers, and child psychologists
  • Developed the concept for an educational gaming platform focused on cognitive development through play, incorporating key areas like logic, empathy, and creative expression
  • Directed the creation of an immersive game universe that combined educational psychology principles with engaging gameplay mechanics

Construction Waste Management Platform

Solution Architect & Technical Lead
2020 – 2022
  • Architected and delivered a distributed system for real-time construction waste management, focusing on high availability and scalability across multiple construction sites
  • Implemented real-time synchronization, ensuring data consistency in poor connectivity conditions
  • Led a cross-functional team of 10 engineers while driving technical decisions across the entire stack, from system architecture to deployment strategies

Meta-Framework for Casino Web Applications

Full-stack Engineer
2020
  • Developed a meta-framework for a casino application to achieve rapid creation and deployment of uniquely branded casino platforms which allowed for rapid expansion of the market presence

Uber-Like Airborne Ride-Hailing System

Lead Full-stack Engineer
2019
  • Led the development team of 7 engineers responsible for implementing key features while managing development efforts and external integrations under tight deadlines

Blockchain-Based Ticket Marketplace

Founding Front-end Engineer
2018 – 2019
  • Developed a web3 ticket marketplace and ensured a UX in alignment with conventional web apps through close collaboration with the CTO

Tanker Management Platform

Lead Front-end Engineer
2017 – 2018
  • Created a tool for rendering complex geoJSONs and implemented a line simplification algorithm to overcome React Native map libraries' rendering limitations while improving the application's visualization capabilities
  • Managed the upgrade of React Native versions

Real-estate Online Marketplace

Front-end Engineer
2016 – 2017
  • Increased performance by 40% and improved both user and client satisfaction by reengineering map search functionality from a keyword-based search to a search utilizing geospatial queries
  • Delivered a clean architecture and more maintainable codebase by championing the modernization of the front-end stack by phasing out CoffeeScript and AngularJS in favor of ES6 and React to move from an MVC to a component-based architecture
  • Overhauled the deployment process by eliminating invalid deployments caused by human error through a transition from manual FTP uploads to an automated CI/CD pipeline

Traffic Control Platform

Full-stack Engineer
2014 – 2016
  • Reduced the loading time of 10k POIs from 30s to <100ms, which drove a significant boost in user experience by improving marker rendering performance and app interactivity using a WMS layer instead of WFS individual features