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Ksenija Spasojevic

@ksenijaspasojevic

Frontend Developer at Reputeo who built PureAl, an enterprise cybersecurity platform for real-time threat visualization.

Serbia

Message

At Reputeo, I built and optimized PureAl, an enterprise cybersecurity platform for real-time threat and vulnerability visualization using React and TypeScript, maintaining over 80% test coverage. I also implemented a Vue.js and Quasar platform to detect and analyze illegal streaming sources for a leading telecommunications operator in Serbia.

At Tyllo, I built EON.TV with Vue.js and JavaScript, maintained 90% test coverage, and played a key role in the migration from Vue 2 to Vue 3. I’ve also expanded into Java backend services and REST integrations, using agentic AI tools and Spec-Driven Development in my work.

Experience

Work history, roles, and key accomplishments

Frontend Developer

Reputeo

Sep 2025 - Aug 2026 (11 months)

Expanded into full-stack development by owning Java backend services and REST integrations using AI coding tools. Built and optimized PureAl, an enterprise cybersecurity platform, and implemented a Vue.js web platform for detecting illegal streaming sources.

React TypeScript Vue.Js Quasar Framework Java REST APIs Claude Code Cursor GitHub Co Pilot Jest Testing

Frontend Developer

Tyllo

Jun 2023 - Aug 2025 (2 years 2 months)

Built EON.TV, a regional streaming application using Vue.js and JavaScript, maintaining 90% test coverage. Integrated a custom video player, built a real-time analytics engine, and migrated the codebase from Vue 2 to Vue 3.

Vue.Js JavaScript Karma Jest @Vue Test Utils Jenkins CI CD Vue2 Vue3

Frontend Developer

Grid Dynamics

Dec 2022 - Jun 2023 (6 months)

Built product listing and shopping cart functionalities for an enterprise e-commerce store using React and TypeScript. Contributed to cross-departmental Scrum and Kanban teams, maintaining high code standards through Git-based peer reviews.

React TypeScript Git Scrum Kanban

Web Developer

Neva Riva

Jan 2021 - Nov 2022 (1 year 10 months)

Designed and developed a presentational boat rental website using Figma and React.js. Implemented design updates, UI improvements, and new features to support evolving requirements.

Figma React UI Design