Danijel Pavlovic

Backend development for Marble, a professional networking platform. I design data models and service boundaries for AI tagging, search, and portfolio aggregation, and develop scalable APIs and cloud infrastructure with a focus on reliability, performance, and maintainability, supported by strong database design and CI/CD.

As a Full-stack Engineer on a music catalogue sub-publishing platform, I build and maintain admin and backend features that support partner collaboration and monetization. My work includes AI-powered catalogue search, needledrop transactions, custom rate cards, international tax logic, and subscription billing, along with scalable APIs, third-party integrations, analytics, and reliable CI/CD-driven deployments.

Full-Stack Engineer on CoreEvent, a production event management and ticketing platform. I maintained and evolved the system; delivered ticketing, seating, check-in, and admin workflows, and designed modular REST and GraphQL APIs. I owned backend, frontend, email, and AWS infrastructure, collaborated with product and design on scoping and delivery and upheld code quality.

Built an offline Android POS system with Capacitor. Designed offline-first flows, integrated hardware peripherals, and improved performance and reliability, delivering a robust POS solution.

Built and maintained web applications with an AWS backend, including Lambda, CloudWatch, and RDS. Delivered modular frontend components, implemented state management, integrated APIs, optimized performance, and successfully launched production applications.

I improved and maintained systems for conversion optimization; built new features with serverless functions and CloudWatch monitoring and logging, maintained code quality through development best practices, requirements analysis, audited and improved internal Stripe payment flows and designed and ran A/B tests to support data-driven decisions.

Developed an application for the medical and surgical equipment industry, allowing customers to explore products in an immersive 3D environment and join live product presentations.

Frontend team lead and backend engineer on multiple large-scale systems, including a multi-tenant ERP (GaussBox), workforce management platform (CeleroOne), car-sharing CRM (SpinCity), custom CMS for HGK, and a fitness social platform. Focused on performance, scalability, and long-term maintainability.