Senior Automation QA (C#) Engineer

October 22, 2026

Remote

Senior

Warsaw, Poland

Description

A Senior AQA Engineer with C# is needed for a distributed Quality team working across Europe in a Scrum environment. The work supports a client that provides operational support and expert services to insurers, brokers, fleet managers and automotive manufacturers worldwide, and is going through a major digital transformation with cloud-based solutions on Microsoft Azure. The role focuses on test automation with C# and various testing tools, plus performance testing, QA effort estimates and coaching inside the QA team.

Responsibilities

Writing automated test scripts to verify and validate that new software meets business needs
Gaining a strong understanding of the business operation
Recording and monitoring QA test results
Enhancing existing automation back-end and front-end framework
Providing coaching support to others in the QA team
Providing QA effort estimates in work refinement sessions
Helping to drive the test automation strategy across the business
Running performance tests and ensuring results meet established levels
Assisting in the user acceptance test (UAT) process by helping end users understand how to use the software
Being an active member of the Scrum team, improving processes and ensuring the team delivers on its commitments

Requirements

5+ years of experience in testing, with at least 3 years in UI/API automation
Sound knowledge and experience of Web Application testing, including API testing using REST
Knowledge of OOP, SOLID and other design principles
Experience in testing systems with a microservice architecture
Knowledge of how CRUD services work
Experience using the C# language
Experience with software QA processes, methodologies and tools
Experience and desire to perform manual testing
Sound knowledge of SQL Server and TSQL, Visual Studio, Git, Selenium, Playwright, Xray and Page Object Model
Knowledge of current industry-wide quality and test processes, practices, tools and techniques
Self-organizing problem solver with the ability to think outside the box
Works effectively with both local and remote colleagues, collaborating and motivating others
Excellent verbal and written communication skills with strong attention to detail
Continuously improving and learning new technologies, contributing to blogs, research or open source
Enjoys working in a fast-paced environment
Previous experience working in medium-sized development teams
Experience working in an agile environment with Scrum methodology and JIRA as SDLC management tool

Conditions

Flexible working format: remote, office-based or flexible
Competitive salary and good compensation package
Personalized career growth
Professional development tools: mentorship program, tech talks, trainings, centers of excellence
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Benefits are not applicable for freelancers
Full-time employment