To support online community participation in decision making involving geographical decisions, a custom plugin was made which seamlessly connects to the eForm Form Builder. The plugin offers quiz takers a map coming from various sources (OpenStreetMap, images/pdfs) and the possibility to put markers of different types on a map along with their comments. This tremendously helps communities decide e.g. where should be a school, what parts of the community need improvements and similar. Data is available through the reports of the eForm plugin or through the export. The plugin supports georeferencing of images and pdfs to the final data has correct geographical coordinates and report page with a heatmap.

Web Application for matching employees and job seekers online using automated matching between the missions and the candidate itself based on their skillset. The main challenges encountered ware syncing workflow of all three different roles of users (clients, candidates and administrators) and having an optimised mission-matching algorithm running in real-time in the background.

Trigger Happy is a visual scripting tool for WordPress, allowing you to connect plugins and events together using a simple user interface. Currently supports core WordPress functionality, plus WooCommerce and Ninja Forms. Scope of the work on the project included major code refactoring using best practices and software design patterns to support easier adding of new events and actions as well as implementation of new events and actions.

Open-source e-commerce platform designed to work out of the box, forked from PrestaShop, dedicated to providing the features its users want. Scope of the work on the project included debugging, testing and fixing of reported bugs under the project’s GitHub issues.

Wordpress site speed optimizations carried on for fitzuhause.net, a moved it from Google’s PageSpeed score of 5 to an excellent score of 83 for mobile, and an even better score of 92 for desktop. This was achieved by extensive use of multiple caching systems and by optimising the loading of this site’s specific content.

Microservices based web application made for the master’s thesis with the same name, available here. Aim of the project was to provide an example of how can web services architecture be used to build scalable, high traffic, technology agnostic web applications. Services were written in Go, connected with gRPC and each runnning in their own container. ELK stack was used for logging, Javascript and Bootstrap 3 for the frontend.

Customized calendar booking plugin connected to the WooCommerce orders offering an overview of the orders, order expiry dates depending on the product, usage of specific products through the calendar booking and admin interface. Plugin went through a major rewrite from spaghetti code to class-based code organization which improved maintainability and ease of adding new features. Karlo worked on the project as a lead full-stack developer.

Temporary staff agency support system specifically made for nursing staff to make bookings in real-time. The admin interface includes personnel database and customer database, where information about employees and institutes is recorded, such as hourly wages per employee, the hourly rate per customer, surcharge for nights, weekends or holidays, and other master data. Karlo worked on the project as a lead full-stack developer.

Boat booking website with checkout, multiple payment gateways, boat wish list, contact forms and fully functional dashboard for managing data which is used by new charter agencies. Boats are imported from third-party API using a custom-built PHP JSON parser for best speed as they are updated a couple of times daily. Karlo worked on the project as a lead full-stack developer.