Tonči Marinac - Fullstack Developer

Tech Stack

The tech stack I use for my personal and client work:

React
Next.js
TanStack Query
TypeScript
Clerk
Node
Postgres
Prisma
shadcn/ui
Tailwind
AI SDK

Projects

These are my most proud projects, both personal and collaborative:

Fiskalio

Fiskalio is a personal finance management application that helps users track and organize their bills across multiple properties. The app features secure credential storage, monthly bill tracking with due dates, and a clean responsive UI with dark/light theme support.

Next.jsConvexClerkShadcnTailwind+1

Pastplied

Pastplied is a job application tracking system built with Next.js, TypeScript, Clerk and Convex that helps job seekers manage applications efficiently. Features AI-powered job data extraction using Google's Generative AI to automatically parse data, eliminating manual data entry.

Next.jsConvexTailwindGeminiClerk+1

Eventwave

Professional frontend developer for Eventwave, a live event management and ticketing platform. Built a complex, responsive Next.js frontend with Tailwind and customized shadcn components, including interactive maps, timelines, multi-step forms, light/dark mode, and multilanguage support.

Next.jsTailwindShadcnLaravel

Omni Mail

OmniMail is a full-stack email management app built with Next.js, TypeScript, Prisma, and Tailwind CSS, enhanced with AI-powered email generation and autocomplete via natural language prompts.

Next.jsGeminiPrismaTailwindtRPC+2

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Experience

My professional journey.

Web Developer
NOV 2025 - PRESENT
Nivago d.o.o. • Ul. Braće Cetina 4, 51000, Rijeka (Croatia)
Support Engineer
AUG 2025 - NOV 2025
Spark Adriatic d.o.o. • Janka Polić Kamova 103, 51000, Rijeka (Croatia)
- Researching and replicating reported issues
- Providing solutions to inquiries from clients and internal employees
Frontend Developer Intern
JUL 2024 - AUG 2024
Kupuj Online d.o.o. • Fiorello la Guardia 13, 51000, Rijeka (Croatia)
- Translated Figma designs into responsive frontend pages for the Visit Rijeka Shop and Hacienda nightclub admin web shop, ensuring visual consistency
- Gained hands-on experience with SSSR (Signals, State, Selectors, Reducers) architecture in Angular, improving code organization and state management practices
Frontend Developer
OCT 2022 - SEP 2023
Juice d.o.o. • Prolaz Marije Krucifkse Kozulić 1, 51000, Rijeka (Croatia)
- Maintained and enhanced existing web applications by adding new features and improving UI/UX across Vue.js, embedded JavaScript, and Angular codebases
- Collaborated with designers to implement a complete redesign of the Visitorapp web application
- Attended daily morning Scrum meetings as part of an Agile development workflow

Education

Academic background.

Master's Degree
Faculty of Informatics and Digital Technologies
Oct 2023 - Jul 2025
Bachelor's Degree
Faculty of Informatics and Digital Technologies
Oct 2019 - Sep 2023
Computer Science Technician
High School of Electrical Engineering and Computing
Sep 2015 - May 2019

Latest Blogs

My recent thoughts and writings:

A Practical SEO Guide for Modern Web Applications (Next.js Focus)

A developer-focused SEO guide for modern web applications, with a practical Next.js perspective. Learn how to structure content, implement server-side rendering, handle metadata, dynamic routes, sitemaps, and technical SEO fundamentals that actually impact rankings.

December 24, 2025

Setting Up a Next.js Project with Prisma, PostgreSQL, and Docker

A practical, step-by-step guide to setting up a Next.js project with Prisma, PostgreSQL, and Docker. Learn how to configure a local database, manage schemas with Prisma, and prepare your application for production using Neon and Vercel.

November 14, 2024

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Find me on

You can find me on the following platforms:

GitHub LinkedIn

Get in touch

You can reach me anytime at toncimarinac@gmail.com