Available to hire
Hi, I’m Marko, a seasoned .NET developer with over a decade of experience building web and cloud-based applications. I take pride in designing scalable and maintainable systems, and I love working with agile teams on enterprise-level projects. Whether it’s integrating payment systems or leveraging AI APIs, I enjoy creating efficient and cutting-edge solutions.
Throughout my career, I’ve worked across various sectors from finance to music, leading projects and driving innovation. I’m passionate about technology and continuously learning new skills to stay at the forefront of software development.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
Serbian
Fluent
English
Fluent
French
Beginner
Work Experience
Lead Developer at Cinephonix
October 1, 2022 - PresentArchitected and developed a website builder platform for the music industry. Implemented Stripe payment integration and AI-driven analysis using Cyanite API. Led full-cycle development including architecture, coding, testing, and deployment.
Senior Developer at GoldenBug / Golden Bullion International (GBI)
September 30, 2022 - July 28, 2025Worked on a large-scale enterprise trading platform based on microservices architecture. Owned the full Braintree payment processor integration from development to deployment. Designed and developed an internal operations portal for monitoring trading activity and reconciling payments. Collaborated on a main trading web portal in a cross-functional team. Contributed to SSO solution development and followed best practices such as unit and integration testing and clean architecture.
Senior Developer at Citrus, Netherlands
October 31, 2017 - July 28, 2025Worked on a cloud-based survey and testing platform with a team of over 15 developers. Added new features, performed code refactoring, wrote unit tests, and contributed to continuous integration efforts.
Developer at Xogito / Leopard Solutions (USA)
February 28, 2016 - July 28, 2025Developed job search portal sub-systems for legal industry including crawlers and Solr search engine implementation which enhanced system performance and reliability.
Lead Developer at InspiredPublishing
February 28, 2015 - July 28, 2025Developed SaaS platform for survey creation and analytics. Built admin tools, implemented a custom UI framework, and integrated HighCharts for data visualization.
Senior Developer at SOLAW INT'L INC
December 31, 2013 - July 28, 2025Built educational system for legal assessment (QLTS Advantage). Integrated Authorize.net payment processor and implemented custom PDF viewer based on PdfTron. Supported legacy browsers via Silverlight.
Developer at 4WEB
January 31, 2013 - July 28, 2025Created CRM solution with mapping features, charts, and extensive backend logic.
Education
Engineer of Electronics at Faculty of Electronic Engineering, University of Niš, Serbia
January 1, 2000 - December 31, 2004Qualifications
Industry Experience
Software & Internet, Financial Services, Media & Entertainment, Education
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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