Lead Non-Functional Quality Engineer (Performance & Resilience)

FIS; Warszawa; On-site; PLN 176,000 - 281,000; Full time

Benefits offered by this job

Competitive salary and benefits

Inclusive, diverse work environment

Career growth opportunities

Job summary

FIS is hiring a Non‑Functional Engineer Lead to steer performance, reliability, and resilience engineering for enterprise‑grade applications in a regulated payments environment. You will ensure systems meet demanding non‑functional requirements for scale and availability while maintaining production stability across distributed systems.

The role emphasizes leading the strategy, embedding quality early in SDLC, and mentoring teams on testing practices.

Qualifications

• Lead non-functional quality strategy across performance, scalability, resilience, and availability.
• Design and execute performance, load, stress, and endurance testing.
• Analyze system behavior using monitoring and observability tools.
• Partner with engineering and architecture teams to embed quality early in the SDLC.
• Drive performance optimization across Java applications, databases, and middleware.
• Establish CI‑driven quality gates using automated functional and non‑functional tests.
• Validate applications across application servers and containerized environments.
• Troubleshoot complex production issues and lead root‑cause analysis.
• Mentor engineers on non‑functional testing practices and quality standards.
• Extensive hands‑on experience in application development and quality engineering.

Responsibilities

• Lead non‑functional quality strategy across performance, scalability, resilience, and availability.
• Design and execute performance, load, stress, and endurance testing.
• Analyze system behavior using monitoring and observability tools.
• Partner with engineering and architecture teams to embed quality early in the SDLC.
• Drive performance optimization across Java applications, databases, and middleware.
• Establish CI‑driven quality gates using automated tests.
• Validate applications across servers and containerized environments.
• Troubleshoot production issues and lead root‑cause analysis.
• Mentor engineers on non‑functional testing practices and quality standards.

Skills

Java (JDK 8/17)

JEE

Maven

Hibernate

EJB

SQL

REST

XML/XSD

JSON

Linux

PostgreSQL

Oracle

Tools

Docker

Kubernetes

Jenkins

WebSphere

WebLogic

Open Liberty

Kafka

Job description

FIS is hiring a Non‑Functional Engineer Lead to steer performance, reliability, and resilience engineering for enterprise‑grade applications in a regulated payments environment. You will ensure systems meet demanding non‑functional requirements for scale and availability while maintaining production stability across distributed systems.

The role emphasizes leading the strategy, embedding quality early in SDLC, and mentoring teams on testing practices.