Location: Madrid, Spain (On-site; remote start available with relocation plan) Project: UEX (Cryptocurrency Exchange) Compensation: $1,000 – $1,500 / month About the Role

We are seeking two Senior Frontend Developers to join our core engineering team building UEX, a high-performance cryptocurrency exchange. In this role, you will take full ownership of frontend delivery, develop real-time trading interfaces, and independently manage your workflow. Key Requirements

2+ years of commercial, production-level experience with Next.js.

Hands-on experience with at least one additional framework (Vue, Angular, Svelte).

Strong proficiency in TypeScript.

Language: Fluent in Russian or Ukrainian (primary team communication languages).

Self-Management:



Proven ability to independently break down, estimate, and execute Jira tasks.

Proactive Ownership: Accurate self-estimation with a track record of flagging potential delays early.

Location Eligibility: Willingness to relocate to Madrid. Candidates must not be located in or working from Russia or Belarus.

Industry Experience: Background in Fintech, Crypto Exchanges, Banking, or Payment Systems.

Technical Skills: Experience with WebSockets / real-time data interfaces and working knowledge of databases.

📌 Mid- Level Frontend Engineer (Next.js / TypeScript) (Madrid)
🏢 Quanta Tech Systems
📍 Madrid