Frontend developer (React + Next.js)

Vacancy: Frontend developer (React + Next.js) Company: JT Marketing Grade: senior/lead Salary Range: from $3500 Employment Type: full-time Work Format: remote (from anywhere in the world)

ABOUT THE COMPANY: JT Marketing is a dynamically developing group of companies in the iGaming and high-risk projects sector. We operate at the intersection of iGaming, crypto-directions, and payment solutions, creating large-scale products. We are actively growing, expanding our project portfolio, and periodically entering new GEOs. Speed, flexibility, and continuous development—both of products and the team—are important to us.

MAIN RESPONSIBILITIES:

• Design and develop frontend architecture
• Develop product features end-to-end
• Work with Next.js (SSR/ISR, RSC, caching)
• Build and optimize client-side data handling
• Optimize application performance and loading
• Implement and maintain PWA functionality
• Develop and maintain UI components and system
• Write and maintain tests (unit, e2e)
• Participate in code reviews and team development
• Improve development processes and code quality

WHAT WE EXPECT FROM YOU:

• 5+ years of commercial frontend development experience
• 2+ years of experience with Next.js (App Router)
• Solid knowledge of React (RSC, modern approaches)
• Strong TypeScript skills
• Experience with TanStack Query (cache, mutations, server state)
• Understanding and experience with Feature-Sliced Design or similar architecture
• Experience with performance optimization (SSR/ISR, code splitting, optimization)
• Experience setting up and using PWA / Service Worker
• Practical experience with testing (unit + e2e)
• Experience working with REST and/or GraphQL APIs

WHAT WE ARE READY TO OFFER:

• Flexible start to the working day;
• Remote work from anywhere in the world;
• Employment via Service Agreement
• 20 working days of vacation per year;
• Fully paid sick leave;
• Paid sick-days and days-off
• Salary pegged to the dollar and paid in USDT.