C# Test Automation Engineer (f/m/x)

October 17, 2026

Office

Senior

Warsaw, Poland

Keep in mind

Office-only work

Also worth knowing

English is required

Description

Test Automation Engineer needed for a long-term banking project with a leading external client. The role sits within an agile team responsible for high performance and stability of business-critical systems, covering full-stack test automation from GUI and mobile to API and databases.

Gender markers in the title: (f/m/x)

In accordance with European anti-discrimination legislation, this job is open to all candidates

Ffemale

Mmale

Xintersex

Responsibilities

Designing and implementing automated performance test scripts
Executing non-functional tests and analyzing test results
Identifying, reporting, verifying, and debugging defects
Reviewing requirements and technical designs from a testing perspective
Maintaining, improving, and extending test automation frameworks
Managing and preparing test data with an understanding of data dependencies
Recommending actions based on test outcomes and quality metrics
Collaborating with the agile Scrum team to ensure delivery quality
Supporting continuous integration processes for automated tests
Participating in risk mitigation, impediment resolution, and test-related communication

Requirements

Minimum 4 years of experience in test automation, specifically with .NET stacks
Full-stack test automation experience covering front-end GUI and mobile, middleware API and web services, and back-end databases
Experience executing test automation across different environments and different test levels
Methodology and industry best-practice test automation knowledge such as TDD, BDD, Page Object Model
ISTQB foundation-level knowledge certified or planning for certification within 3 months of joining
Git version control experience
Fluent in written and spoken Polish and English for work in an international environment

Conditions

Full-time employment with a solid financial situation and Great Place to Work recognition
Contracts with the biggest brands and a centre of internal trainings
Many experts to learn from and an open accessible management team
Profit sharing and Passion Sponsorship program
Regular integration events and trips
Comfortable and well-equipped offices
MySii app and medical care