Senior Performance Engineer for our German client.

(Note: Must be allowed to work in Germany. No sponsorship is available. 1 year contract with extensions.) (onsite 70%)

Are you a Performance Testing Expert who loves breaking systems to make them unshakeable? We are looking for a senior engineer to define our performance strategies, automate high-scale load tests, and eliminate bottlenecks across our applications, databases, and infrastructure.

What You Bring:

Core Expertise: Strong background in Performance Engineering with deep knowledge of k6 and/or Apache JMeter.

System Depth: Experience testing APIs, backend architectures, databases, and asynchronous systems (Kafka / Lobster).

Observability: Solid experience with Grafana and monitoring solutions.

Language: Good communication skills in English.

• What You’ll Do:
• Strategy & Execution: Define performance standards and engineer realistic load, stress, spike, and scalability test scenarios.
• Automation & CI/CD: Embed automated performance checks seamlessly into our deployment pipelines.
• Analysis & Reporting: Utilize observability tools to pinpoint bottlenecks and deliver actionable capacity planning reports.

Beloning

• Nice-to-Haves:
• Experience with Gatling, Locust, or Artillery.
• Knowledge of Kubernetes, OpenTelemetry, and Infrastructure-as-Code.
• Experience with Chaos Engineering (failover/resilience testing) and defining SLIs/SLOs.
• freelance or fixed term contract

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