JavaScript Developer (remote)

Location : Remote from Spain

Project Overview

128295; Your Responsibilities

Design and execute performance test scenarios (load, stress, and endurance).

Build and maintain automated test frameworks using TypeScript + Playwright .

Identify system bottlenecks and collaborate with dev teams on optimizations.

Monitor performance across production and pre-production environments.

Embed performance tests into CI / CD pipelines to support continuous delivery.

Work closely with QA, development, and business teams to align testing goals.

What We’re Looking For

Fluent in Spanish .

Solid experience with automated E2E testing using TypeScript and Playwright .

Proven track record in performance testing of complex web applications.

Familiarity with payment system integration (Skrill, Stripe, PayPal, etc.).

Good knowledge of testing best practices , Git , and CI / CD pipelines.

Strong communication and teamwork skills.

Nice to Have

Experience with K6 for performance testing .

Previous work in the gaming or payment industry.

Exposure to API testing and monitoring tools .