Freelance Web & AI Solutions Architect / Contractor at Self-employed / Freelancer

Built full-stack web and AI solutions for small and mid-size businesses using React, Vue.js, Next.js, and Nest.js. Delivered AI-powered automation systems for accounting and operations teams, reducing manual data entry and processing time through RAG-based AI agents and workflow orchestration. Designed and deployed serverless architectures on AWS Lambda and Azure Functions, ensuring scalable and cost-efficient backend services. Implemented CI/CD pipelines and cloud infrastructure on AWS and Azure. Led project scoping, requirements gathering, and technical design in direct collaboration with stakeholders. Integrated third-party APIs, payment systems, and enterprise tools with secure authentication and monitoring. Documented architectures and provided handover materials to ensure long-term maintainability. Supported onboarding, training, and post-deployment optimization for high adoption and business impact.

AI System Architect at Aestus Group - AI

Led automation and AI-driven solutions for an accounting-focused client; managed project scoping, requirements gathering, and implementation with staff training and adoption support. Evaluated vendors and selected scalable cloud/AI solutions to meet long-term business needs. Documented system design and workflows for ongoing operational continuity.

Senior iOS Engineer at Shape 404

Educated and mentored junior and mid-level developers in understanding and implementing robust architectures. Provided comprehensive training sessions and workshops on iOS architecture principles to enhance team skills and deliver high-quality applications. Collaborated with cross-functional teams (designers, backend developers) to ensure seamless integration and smooth app performance. Created the initial project skeleton for large-scale app development initiatives.

Senior iOS Engineer at Undabot

Refactored the legacy code of Njuškalo, Croatia's largest classifieds app. Prepared the codebase for new team members by porting Swift and Objective-C; enabled collaboration of Swift and Objective-C components and enhanced development efficiency.