Hrvoje Lučić

Developed and maintained backend services in a microservices architecture using C# and .NET, delivering solutions for banking clients including Equity Bank Kenya. Designed and implemented REST APIs used in live financial systems. Built complex integrations between internal and external systems, supporting features such as account lifecycle management and verification flows. Collaborated with frontend teams on complex workflows and versioned features. Managed API exposure through Azure API Management. Worked with Microsoft SQL Server, including query optimization and data handling. Resolved production incidents using logs, monitoring, and debugging. Improved performance through caching strategies and system optimizations. Mentored a junior developer and conducted code reviews.

Developed backend systems for steel plant production management (Level 3 systems), delivering solutions for industrial clients including Yıldız Demir Çelik. Built and maintained data processing pipelines and system integrations in production environments. Worked extensively with Oracle databases in high-load industrial systems. Provided L3 technical support, resolving complex production issues remotely and onsite. Participated in international commissioning projects (on-site work in real production plants). Delivered solutions under real-time production constraints where system downtime is critical. Developed and maintained Manufacturing Execution Systems (MES). Collaborated with international teams (engineering, operations, clients). Additional experience included backend features for a Valamar Riviera platform enabling upsell of accommodation services (e.g., excursions, in-room amenities) (~1 year). Stack: .NET, C#, TypeScript.