Kosta Darkovic

- Developed an internal analysis and report generation interface using React and Redux, following the JavaScript MVC architectural pattern. - Designed and built the company's website, incorporating React for dynamic parallax effects, leveraging the Middleman framework and Skrollr library. - Implemented data visualization features using React with D3 and HighCharts libraries. - Created a reusable React-based search module enabling compatibility with Solr search engine query strings.

- Developed the administrative section of an e-commerce platform using Next.js. - Transitioned state management from Redux to Apollo Client to integrate with a GraphQL Nest.js backend, enhancing data handling efficiency. - Reengineered an analytics microservice, optimizing SQL query patterns and data bucketing, resulting in increased data request throughput and more flexible time-series data aggregations.

- Contributed to the transition from a legacy system to a microservices architecture, focusing on reusable service components. - Developed a fully automated CI/CD pipeline for service deployment on Azure Cloud, including unit, end-to-end testing, and code quality checks. - Worked on a system providing unified connectivity to various legacy systems, utilizing abstractions and a React.js-based user interface.

- Designed user interfaces using JSP, HTML, and CSS. - Implemented client-side validations using JavaScript and jQuery. - Developed front-end components and server-side scripts using HTML, DHTML, CSS, and JSP in an MVC architecture with the Struts Framework.

- Developed a Single Page Application (SPA) using AngularJS, binding data to views and synchronizing with a SQL server backend. - Created RESTful APIs for seamless data transfer between the GUI and backend. - Designed custom AngularJS directives for reusable login and registration forms. - Enhanced user experience with dynamic content loading using Ajax. - Developed interactive widgets using jQuery and integrated third-party libraries.