Test Automation Engineer (C#/Playwright/SaaS)

ZipRecruiter; Cambridge; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A technology company based in Cambridge is seeking a Test Automation Engineer to enhance its SaaS platform. The role involves building scalable test automation frameworks in C#/.NET and integrating automated tests into CI/CD pipelines. Candidates should have strong experience with Playwright and API testing tools. Flexible working arrangements and competitive salary are provided.

Benefits

Competitive salary

Flexible working arrangements

Career growth opportunities

Qualifications

• Strong C#/.NET development experience.
• Proven track record with modern automation tools.
• Solid understanding of API testing using RestSharp, Flurl, or HttpClient.

Responsibilities

• Design, build, and maintain scalable test automation frameworks in C#/.NET.
• Develop and execute automated tests across UI and API layers.
• Integrate automated tests into CI/CD pipelines.

Skills

C#/.NET development experience

Modern automation tools (Playwright)

API testing (RestSharp, Flurl, HttpClient)

Test libraries (NUnit, TestNG, xUnit, MSTest, SpecFlow)

CI/CD pipelines

Passion for latest tools and technologies

Tools

Playwright

Docker

Kubernetes

Job description

Overview

Test Automation Engineer (C#/Playwright/SaaS)

Location: Cambridge/Hybrid

Type: Permanent

We are seeking a Test Automation Engineer to join a Software Development Team and play a key role in ensuring the quality and reliability of our SaaS platform. This is a fantastic opportunity to work with the latest tools and technologies, shaping automation frameworks that support a modern, cloud-first product used by customers worldwide.

Responsibilities

• Design, build, and maintain scalable test automation frameworks in C#/.NET.
• Develop and execute automated tests across UI (Playwright) and API (RestSharp/HttpClient) layers.
• Leverage BDD (SpecFlow) to deliver business-readable and maintainable test cases.
• Integrate automated tests into CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins) to support continuous delivery.
• Drive test automation best practices to improve coverage, stability, and speed.
• Collaborate with developers, testers, and product teams to ensure the platform delivers a seamless, high-quality experience to users.

Qualifications

• Strong C#/.NET development experience.
• Proven track record with modern automation tools such as Playwright.
• Solid understanding of API testing (RestSharp, Flurl, or HttpClient).
• Hands-on experience with test libraries such as NUnit, TestNG, xUnit, MSTest, or SpecFlow for BDD.
• Strong knowledge of CI/CD pipelines and test integration.
• Passion for working with the latest tools and technologies in a SaaS environment.

Nice to Have

• Cloud experience (Azure, AWS, or GCP) - especially in SaaS product contexts.
• Familiarity with containerisation (Docker, Kubernetes).
• Exposure to performance or security testing for scalable platforms.

Why Join Us?

• Help shape the automation strategy for a market-leading SaaS platform.
• Work with cutting-edge automation tools and practices.
• Competitive salary, benefits, and flexible working arrangements.
• Be part of an innovative, collaborative team with clear career growth opportunities.

If you're passionate about automation, thrive in fast-paced SaaS environments, and want to work with the latest tools and technologies, apply today and join us on our journey!