Performance Test Engineer (Non-Functional Testing)

Performance Test Engineer (Non-Functional Testing)

📍 Hybrid – Gdańsk (2 days office / 3 days remote)

About Consid

Consid is an award-winning IT and consulting company founded in Sweden, with a strong presence across Scandinavia and Europe, including Poland. We partner with leading enterprises to build modern, scalable digital solutions, combining strong engineering culture with long-term, trust-based collaboration. At Consid, we value ownership, quality, and continuous development.

About the Role

We are looking for an experienced Performance Test Engineer to take ownership of non-functional testing in a cloud-native environment. You will ensure that systems are scalable, stable, and ready to handle real-world traffic. The role combines close collaboration with engineering teams and independent ownership of performance testing strategy and execution.

Responsibilities

• Design and execute performance, load, stress, and scalability tests (API, E2E, infrastructure).
• Integrate performance testing into CI/CD pipelines.
• Define and track performance baselines, SLAs and SLOs.
• Build dashboards to visualize performance trends and bottlenecks.
• Analyse system behaviour under different load conditions.
• Identify bottlenecks and collaborate with teams on performance optimizations.
• Conduct capacity planning and scalability analysis.
• Deliver clear performance reports and actionable insights.

Requirements

• Strong experience in performance and non-functional testing.
• Hands-on experience with tools such as JMeter, k6 or Taurus.
• Experience working with AWS (required).
• Experience integrating tests into CI/CD (e.g. GitHub Actions, Jenkins).
• Ability to analyse metrics (latency, throughput, error rates).
• Scripting skills (Java, JavaScript, Python or similar).
• Understanding of distributed systems and microservices.
• Knowledge of REST APIs and async communication patterns.
• Experience with observability tools (e.g. Kibana, CloudWatch).
• Strong documentation skills (Post-Mortems, performance reports).
• Experience working in distributed teams.
• Fluent English.

Nice to Have

• Experience with Real User Monitoring (RUM) and synthetic testing.
• Experience with Kubernetes (EKS) and autoscaling validation.
• Understanding of security in performance testing.
• Ability to work with Terraform.

Tech Stack

• Backend: Java (Spring Boot).
• Frontend: Vue 3.
• Databases: PostgreSQL (Amazon Aurora), Redis.
• Cloud: AWS (EKS, ECS, EC2, S3).
• Infrastructure: Kubernetes, Terraform.
• CI/CD: Jenkins, GitHub Actions.

Recruitment Process

• Screening interview.
• Technical interview.
• Client interview.