Senior AQA Engineer: C#/.NET & Playwright - CI/CD Automation

Avenga; Poland; Remote; PLN 180,000 - 240,000; Full time

Job summary

Avenga is seeking a Senior QA Automation Engineer to design and own the architecture of modern, scalable test automation frameworks using C#/.NET and Playwright.

You will develop reliable UI, API, integration, end-to-end, and regression automation, integrate testing into CI/CD pipelines, and drive the automation of distributed telecom systems while collaborating with architects, developers, and QA specialists.

Qualifications

• Strong experience with C#/.NET and software engineering principles.
• Designing and implementing test automation frameworks at senior or architect level.
• Hands-on Playwright experience with C#/.NET.
• Knowledge of API testing and REST/HTTP-based testing frameworks.
• Experience with CI/CD, Git, and automated quality gates.
• Strong understanding of software architecture, design patterns, maintainable automation, and testability.
• Experience testing distributed systems, microservices, and enterprise applications.

Responsibilities

• Design and own architecture of modern, scalable test automation frameworks.
• Develop reliable UI, API, integration, end-to-end, and regression automation.
• Integrate automated testing into CI/CD pipelines and support continuous quality practices.
• Drive automation of complex, distributed, and highly integrated telecommunications systems.
• Collaborate with solution architects, developers, QA engineers, and domain experts to identify effective test strategies.
• Investigate test failures, improve framework stability, and continuously optimize automation execution.
• Promote shift-left testing, quality engineering, and risk-based test automation approaches.
• Contribute to the evolution of testing practices for cloud-native, microservices, and API-driven architectures.

Skills

C#/.NET

Test automation frameworks

Playwright (C#/.NET)

API/REST testing

CI/CD

Git

Software architecture

Distributed systems testing

Tools

Playwright

Job description

Avenga is seeking a Senior QA Automation Engineer to design and own the architecture of modern, scalable test automation frameworks using C#/.NET and Playwright.

You will develop reliable UI, API, integration, end-to-end, and regression automation, integrate testing into CI/CD pipelines, and drive the automation of distributed telecom systems while collaborating with architects, developers, and QA specialists.