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

Sii Poland; Województwo mazowieckie; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking a Test Automation Engineer for a long-term banking project. You will join an agile team to ensure high performance and stability of critical systems.

You design, implement, and maintain automated tests across GUI, API, and databases, with a focus on .NET stacks. Excellent collaboration in an international environment.

Fluency in Polish and English is required.

Qualifications

• 4+ years in test automation with .NET stacks.
• Full-stack test automation across GUI, API, and databases.
• Experience across multiple environments and test levels.
• Knowledge of TDD, BDD, and Page Object Model.
• ISTQB foundation-level knowledge or plan within 3 months.
• Git version control experience.
• Fluent in Polish and English.

Responsibilities

• Design and implement automated performance tests.
• Execute non-functional tests and analyze results.
• Identify, report, verify, and debug defects.
• Review requirements and designs from a testing perspective.
• Maintain and extend test automation frameworks.
• Prepare and manage test data with dependencies.
• Recommend actions based on quality metrics.
• Collaborate with Scrum teams to ensure delivery quality.
• Support CI processes for automated tests.
• Participate in risk mitigation and test communications.

Skills

Test automation

DotNet

Full-stack testing

TDD/BDD

Page Object Model

Git

Polish & English

Education

ISTQB Foundation

Tools

Git

Job description

We are looking for a Test Automation Engineer to join a long-term banking project for a leading external client. You will become part of an agile team responsible for ensuring the high performance and stability of business-critical systems.

Your tasks

• 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 (front-end - GUI, mobile), middleware (API/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: TDD, BDD, Page Object Model, etc.
• 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 - work in an international environment

Job no. JOB-LNEJ3

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care