Performance Engineer

Mid • Remote

$100 - $190/

Warsaw, Poland

Do you enjoy discovering performance bottlenecks before users notice them? Do you like working with cloud and automation instead of manual testing? If you'd like to join a project within the financial domain, where performance engineering really matters, this role is for you. Join a team that values clean performance data, technical ownership, and real impact. Apply today!

Key responsibilities

Design, execute, and automate performance and load tests using JMeter.
Build performance scripts in Python or Shell and integrate them into CI/CD (Jenkins).
Develop UI automation for performance and end-user experience testing.
Monitor and analyse metrics with OpenTelemetry, Prometheus, Grafana, and Splunk.
Troubleshoot performance issues using logs and SQL queries.
Work in a Kubernetes + AWS environment with RDS databases (PostgreSQL/MySQL/Aurora).

Ideal candidate profile

4-7 years of hands-on experience in performance engineering, with CI/CD integration experience
Strong JMeter skills (Gatling or Locust is a plus)
Solid scripting skills in Python and/or Shell
Experience with UI automation for performance testing, as well as QL/log analysis expertise
Practical knowledge of Jenkins pipelines and Kubernetes
Experience with AWS, especially RDS (PostgreSQL/MySQL/Aurora)
Proficiency in OpenTelemetry, Prometheus/Grafana, Splunk
Clear communication skills, ability to explain performance findings clearly.

Conditions

Project duration: until 31.12.2026

Start date: January/February 2026

Work Model: Remote

Employment Type: B2B

Salary: based on your experience

Recruitment steps

• Initial call with a KUBO recruiter

• Interview with the client (75-90 minutes)

• Decision and feedback

At KUBO, we genuinely care about people. We welcome candidates of all ages, backgrounds, identities, family constellations, health situations, and ways of thinking and interacting with the world. You’re welcome to be yourself. We value authenticity, and we’re committed to creating a fair and inclusive process for everyone.

KUBO

KUBO is a global technology company specializing in providing cloud-based financial solutions. The company operates within the financial sector, focusing on designing and developing financial systems and integrating with banks and financial protocols. KUBO values innovation and collaboration, as evidenced by its international team and remote work opportunities. The company is committed to leveraging cutting-edge technologies such as Python, Java, Kubernetes, and AWS to deliver high-quality solutions. KUBO's mission is to enhance the financial industry through advanced technological solutions, making it a key player in the FinTech space. The company is distinguished by its global reach and emphasis on remote work, allowing it to attract talent from diverse locations.