Fullstack Developer

• Designed and oversaw the migration of a monolithic system to the cloud using a microservices architecture.
• Developed and implemented a strategic roadmap for the migration process, ensuring minimal disruption to ongoing operations.
• Collaborated closely with cross-functional teams to define and prioritize microservices, optimizing for system performance and scalability.
• Architected and implemented DevOps practices to streamline deployments and improve system reliability.
• Conducted assessments and evaluations to identify areas for improvement in the migration strategy and microservices architecture.
• Established and enforced best practices for code quality, security, and scalability within the microservices ecosystem.
• Provided technical guidance and mentorship to the development team, fostering a culture of continuous learning and innovation.
• Managed and optimized AWS cloud infrastructure to meet performance, security, and scalability requirements.
• Implemented CI/CD pipelines using GitHub Actions to automate the build, test, and deployment of microservices.

• Designed and implemented a scalable, multi-tenant back-office system for Community21 using Azure Cloud, .NET 7, and Next.js
• Integrated Azure AD B2C to ensure secure and seamless user authentication and authorization within the system
• Applied Clean Architecture principles, leveraging Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS) patterns to establish a modular and maintainable architecture
• Created a data-driven solution utilizing Azure SQL Database and Azure Blob Storage to manage participant information and analyze program performance efficiently
• Ensured the system's compliance with industry standards and data security protocols, prioritizing the privacy and confidentiality of participant information

• Ensured seamless integration and functionality of the system components
• Conducted troubleshooting and debugging of issues within the system
• Ensured code quality through rigorous testing and code reviews
• Managed and monitored system deployments using Docker, Traefik, and Portainer
• Utilized RabbitMQ for efficient message queuing and processing
• Implemented and maintained background job processing using Hangfire
• Engaged in version control and continuous integration/continuous deployment (CI/CD) using GitLab pipeline

Senior Software Engineer – Global Multi-Tenant D2C eCommerce Platform

• Worked on a large-scale direct-to-consumer eCommerce platform supporting multi-vendor, multi-brand, and multi-market operations in both standardized and localized formats.
• Centralized the configuration management of all microservices to enhance scalability and maintainability.
• Identified and automated manual processes across the organization to increase operational efficiency.
• Streamlined the deployment process for launching the system in new markets and rolling out new features.
• Led integrations with Contentful (CMS) and Commercetools (headless commerce).
• Implemented performance enhancements and optimizations to improve system speed and reliability.
• Contributed to system design and architectural discussions, focusing on scalability and robustness.
• Provided technical mentorship and guidance to the development team, promoting a collaborative and high-performing work environment.

Senior Software Engineer – eTicketing Project for Public Transport

• Served as a software architect and full-stack web and mobile developer on a public transport modernization project in Split, Croatia.
• Developed mobile and web applications for trip planning and ticket purchasing.
• Built real-time integrations with vehicle on-board units for live data communication.
• Implemented a comprehensive back office and fleet management system.
• Integrated multiple payment providers to support secure transactions.
• Connected the system with Google Maps using the GTFS standard for route data.
• Used Google Firebase for push notifications and app integrity checks.
• Implemented ETA (Estimated Time of Arrival) calculations through Google APIs.
• Managed authentication and authorization via Keycloak.
• Utilized Figma for UX design and interface prototyping.

Lead Developer – Electronic Toll Collection System

• Led a cross-functional team of developers and designers.
• Acted as the software architect and full-stack developer for modernizing Croatia's highway toll collection system.
• Delivered web and mobile applications for account management and media top-ups.
• Integrated payment gateways for seamless transactions.
• Used Google Firebase to manage push notifications.
• Developed a voucher distribution system and back-office portal.
• Built integrations with ETC devices and smart card infrastructure.
• Improved system performance through SQL query optimization and database indexing.

Full-Stack Developer – Government Digital Services Platform

• Contributed to a unified digital platform consolidating citizen services and form submissions.
• Integrated with multiple payment providers for transactional features.
• Enabled secure login via NIAS (eIDAS-compliant) authentication.
• Integrated with Croatia’s e-Građani (e-Citizens) portal to streamline government-citizen interactions.