Senior Performance QA Engineer (k6, CI/CD, Hybrid)

ERNI; Cataluña; Híbrido; EUR 55.000 - 75.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Private health insurance

Language courses

23 vacation days

Certifications covered

Gym discounts

Flexible remuneration

Referral bonuses

Family support

Hybrid work model

Descripción de la vacante

ERNI in Spain (Catalonia) is seeking a senior professional to ensure the performance of a large-scale laboratory platform. You will develop scalable performance testing capabilities using k6, JavaScript/TypeScript, and containerized environments, with strong focus on observability and automation.

You will join a supportive team and participate in mentoring, development plans and hybrid work arrangements, with opportunities for certifications and flexible remuneration.

Formación

• 4+ years of experience in performance and load testing using k6, JMeter or Gatling.
• Strong programming skills with JavaScript/TypeScript and experience with Python and/or Java.
• Experience building CI/CD pipelines with GitHub Actions and working with Git based pull request workflows.
• Hands on experience with Grafana, Prometheus, Loki, Tempo or equivalent observability platforms to analyze system behavior.

Responsabilidades

• Design realistic performance scenarios and define testing strategies based on architecture and business flows.
• Maintain containerized environments, internal libraries and automated executions through GitHub Actions.
• Analyze system behavior through logs, metrics and traces while identifying bottlenecks and regressions.

Conocimientos

Performance testing

Load testing

JavaScript/TypeScript

GitHub Actions

Observability tooling

Herramientas

k6

JMeter

Gatling

Python

Java

Grafana

Prometheus

Loki

Tempo

Descripción del empleo

ERNI in Spain (Catalonia) is seeking a senior professional to ensure the performance of a large-scale laboratory platform. You will develop scalable performance testing capabilities using k6, JavaScript/TypeScript, and containerized environments, with strong focus on observability and automation.

You will join a supportive team and participate in mentoring, development plans and hybrid work arrangements, with opportunities for certifications and flexible remuneration.