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Slaviša Petrović

@slaviapetrovi

Full-Stack Developer at Paved who built a self-service Ad Unit Builder and advertiser tools for campaign management and reporting.

Bosnia and Herzegovina

Message

At Paved, I built the Ad Unit Builder, a visual editor that lets publishers customize and ship ad placements themselves, with live previews and controls for typography and calls to action. I also built advertiser campaign tools and self-serve performance reporting.

Earlier at Paved, I built a self-service sponsorship booking flow and messaging tools for advertisers and publishers. At CAKE.com, I built real-time components for Pumble and improved loading and rendering performance; I also built client web applications at Elephant Solutions and mobile-friendly websites at itMedia.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer

Current

Paved

Dec 2025 - Present (11 months)

Built the Ad Unit Builder, a visual editor for ad placement customization, and owned the advertiser-facing surface of the ad network in Next.js and TypeScript. Contributed backend work in Ruby on Rails and raised release confidence with Playwright E2E specs and CI coverage enforcement.

Next.js TypeScript React Ruby on Rails Playwright CI CD Stripe REST APIs CSS Cloudflare Workers

Current

Software Developer

Current

Paved

Aug 2024 - Present (2 years 3 months)

Paved is the marketplace and ad network connecting advertisers with newsletter publishers.

• Primary engineer on the advertiser ad-network app (Next.js 16, React 19, TypeScript, MUI): built the end-to-end campaign builder — targeting with live reach estimation, day-parting, budgeting, per-site bidding, creative management, and review flow

• Shipped campaign performance reporting with conversion

Frontend Web Developer

Paved

Aug 2024 - Dec 2025 (1 year 4 months)

Built the standalone booking flow for publishers and the sponsorship inbox and chat, along with the advertiser media plan dashboard. Reduced onboarding drop-off with a multi-step wizard and enabled incremental migration with a Cloudflare Workers edge proxy.

React Redux TypeScript Cloudflare Workers JavaScript CSS

Frontend Web Developer

CAKE.com

Jul 2023 - Aug 2024 (1 year 1 month)

Built complex real-time components for Pumble, a messaging and video conferencing platform. Improved load time and rendering performance through code splitting, caching, and component restructuring.

React JavaScript Performance Optimization Code Splitting Caching

Frontend Web Developer

Pumble

Jun 2023 - Aug 2024 (1 year 2 months)

Pumble is a free multi-platform tool for team communication created by @COING creators of @Clockify.
Pumble’s mission is to pave the way towards seamless and productive team collaboration and communication.

Frontend Web Developer

CAKE.com

Jun 2023 - Aug 2024 (1 year 2 months)

Frontend developer on Pumble, CAKE.com's team-communication platform (a Slack alternative serving millions of users across the Clockify/Pumble/Plaky suite). Built and maintained UI features in React and TypeScript in a 300+ person product company.