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 Mid- Level 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 (Madrid)
🏢 Quanta Tech Systems
📍 Madrid