Frontend Engineer (React)

TL;DR

Frontend Engineer (React): Building high-performance, data-dense web platforms and analytical interfaces for sports technology with an accent on complex data visualization and UI optimization. Focus on owning end-to-end feature development, ensuring responsive performance under heavy data loads, and maintaining high standards of code quality.

Location: Must be based in or able to work from Budapest, Hungary (Hybrid)

Salary: HUF 1,045,000 – HUF 1,567,500

Company

A leader in sports technology providing real-time ball, player, and skeletal tracking solutions for elite-level sports analytics and officiating.

What you will do

• Develop and own high-performance analytics dashboards, charts, and tables.
• Optimize web performance for handling large, complex sporting data sets.
• Manage code releases across development, testing, staging, and production environments.
• Integrate complex data structures via APIs using efficient GET and POST workflows.
• Collaborate with the team to share best practices and align on technical execution.
• Identify and manage technical dependencies to ensure project timelines are met.

Requirements

• Strong, independent competency in TypeScript and React.
• Experience with Node.js and modern responsive web architecture.
• Deep understanding of web performance, browser vitals, and UI optimization.
• Proven experience with Cypress for front-end testing.
• Proficiency in Git and modern collaborative code management workflows.
• Experience using JIRA for sprint task and ticket management.

Culture & Benefits

• Focus on openness, collaboration, and technical excellence.
• Opportunity to work on analytics for world-class sporting events.
• Emphasis on autonomy, accountability, and continuous professional growth.
• Supportive environment for refining expertise in modern web performance.