Senior Software Engineer in Test (SDET)
Senior Software Engineer in Test (SDET)

Senior Software Engineer in Test (SDET)

Full-Time 48000 - 84000 ÂŁ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead and innovate in automation testing, mentoring teams and designing solutions.
  • Company: Join Ten10, a top UK consultancy for Quality Engineering and Software Testing.
  • Benefits: Enjoy 25 days of leave, health benefits, fitness support, and a flexible work model.
  • Why this job: Work on exciting projects across industries and grow in a supportive, inclusive culture.
  • Qualifications: Experience in Agile, strong coding skills, and expertise in automation testing required.
  • Other info: Eligibility for SC clearance is essential; we welcome diverse talent!

The predicted salary is between 48000 - 84000 ÂŁ per year.

Join Ten10 as a Senior Software Developer in Test

Job Type: Permanent

Location: London (Hybrid working with occasional client travel)

Looking for your next challenge? At Ten10 , we’re transforming how businesses deliver quality software, and we’re looking for a passionate Senior Software Developer in Test to join our growing team. If you’re a skilled developer with a love for testing and problem-solving, this is your chance to make a real impact.

⚠️ Important: All applicants must be eligible for SC clearance . Not sure if you qualify? Check here.

Why Ten10?

At Ten10, we’re proud to be one of the UK’s leading independent consultancies for Quality Engineering, Software Testing, RPA, and DevOps . We bring together exceptional talent to deliver innovative solutions that help our clients release software faster and with confidence.

Here’s why you’ll love being part of our team:

  • Exciting Projects: Collaborate on challenging, impactful projects with a wide range of industries—from finance to government and beyond.
  • Career Growth: Tailored training and development opportunities to help you reach your goals.
  • Team Culture: Join a supportive, inclusive team that values collaboration, creativity, and innovation.
  • Flexibility: Hybrid working lets you balance work and life.

About the Role

This is more than just a job—it’s an opportunity to lead, innovate, and grow. As a Senior Software Developer in Test , you’ll:

  • Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions.
  • Lead and mentor small teams of automation testers, providing guidance and technical direction.
  • Take ownership of QA strategies, influencing testing best practices.
  • Play a client-facing role, ensuring our solutions align with their business needs.

What We’re Looking For

We know great talent comes in many forms. If you’re excited about this role but don’t tick every box, we’d still love to hear from you!

Essential Skills & Experience:

  • Eligibility for SC clearance .
  • Significant experience in Agile environments (e.g., SCRUM, Kanban).
  • Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript , or similar.
  • Proven expertise in automation testing , with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured .
  • Strong knowledge of integration testing and automation frameworks .
  • Experience leading small teams of testers and contributing to the overall QA strategy .
  • Knowledge of performance testing tools like JMeter, Gatling, K6 or Neoload .
  • Hands-on experience with CI/CD pipelines and tools (e.g., Jenkins, CircleCI, GitLab CI, Azure DevOps).
  • Excellent communication and stakeholder management skills.

Bonus Points for:

  • Previous experience in a consultancy environment .
  • Hands-on coding experience in additional languages like Python, Ruby, Scala, PHP, or C++ .

What’s in It for You?

At Ten10, we believe in recognizing and rewarding great work. Here’s what you can expect:

  • 25 Days of Annual Leave: Plus 1 extra day every year for the first three years, with a holiday buying scheme.
  • Pension Plan: Employer-matched contributions up to 5%.
  • Health Benefits: Comprehensive coverage for medical, dental, optical, and alternative therapies.
  • Fitness Support: Subsidized gym memberships and a bike-to-work scheme.
  • Commuter Benefits: Season ticket loans to make travel easier.
  • Flexible Work Model: Hybrid working that fits your lifestyle.
  • Social Events: From annual kick-offs and Christmas parties to team socials and sporting events, we love celebrating success together.
  • Training & Development: Tailored learning opportunities and full support for certifications to keep your skills sharp.

Let’s Build the Future Together

We’re on the lookout for passionate, talented individuals who are ready to make an impact. Whether you’re an experienced automation tester or a developer with a flair for QA, we want to hear from you.

Ready to take the next step? Apply now and join us on this exciting journey!

Senior Software Engineer in Test (SDET) employer: Ten10

At Ten10, we pride ourselves on being a leading independent consultancy in Quality Engineering and Software Testing, offering an exciting work environment in London with hybrid flexibility. Our supportive team culture fosters collaboration and innovation, while tailored training and development opportunities ensure your career growth. With a focus on impactful projects across diverse industries and a comprehensive benefits package, including health coverage and fitness support, Ten10 is the perfect place for passionate individuals looking to make a meaningful impact.
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Contact Detail:

Ten10 Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer in Test (SDET)

✨Tip Number 1

Familiarize yourself with the specific automation tools mentioned in the job description, like Playwright, Selenium, and Cypress. Having hands-on experience with these tools will not only boost your confidence but also demonstrate your readiness for the role.

✨Tip Number 2

Highlight any experience you have in Agile environments, especially with SCRUM or Kanban. Being able to discuss how you've successfully worked in these frameworks can set you apart from other candidates.

✨Tip Number 3

Prepare to discuss your leadership experience in mentoring small teams of testers. Share specific examples of how you've guided teams and influenced QA strategies, as this is a key aspect of the role.

✨Tip Number 4

Since the role involves client interaction, practice articulating your communication skills. Be ready to provide examples of how you've effectively managed stakeholder relationships in previous projects.

We think you need these skills to ace Senior Software Engineer in Test (SDET)

Agile Methodologies
Java
C#
TypeScript
JavaScript
Automation Testing
Playwright
Selenium
Cypress
RestAssured
Integration Testing
Automation Frameworks
Performance Testing Tools
JMeter
Gatling
K6
Neoload
CI/CD Pipelines
Jenkins
CircleCI
GitLab CI
Azure DevOps
Communication Skills
Stakeholder Management
Team Leadership

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience in Agile environments and your technical skills in languages like Java, C#, or TypeScript. Emphasize your expertise in automation testing tools such as Playwright or Selenium.

Craft a Strong Cover Letter: In your cover letter, express your passion for quality engineering and problem-solving. Mention specific projects where you led teams or implemented testing solutions, showcasing your leadership and technical direction.

Highlight SC Clearance Eligibility: Since eligibility for SC clearance is crucial, clearly state your eligibility status in your application. If you're unsure about your qualification, refer to the provided link in the job description.

Showcase Communication Skills: Given the client-facing nature of the role, demonstrate your excellent communication and stakeholder management skills. Provide examples of how you've successfully collaborated with clients or team members in past projects.

How to prepare for a job interview at Ten10

✨Showcase Your Technical Skills

Be prepared to discuss your coding experience in languages like Java, C#, or TypeScript. Highlight specific projects where you implemented automation testing frameworks and tools such as Selenium or Playwright.

✨Demonstrate Leadership Experience

Since the role involves leading small teams, share examples of how you've mentored others or taken ownership of QA strategies. Discuss your approach to guiding teams and influencing best practices.

✨Understand Agile Methodologies

Familiarize yourself with Agile practices like SCRUM and Kanban. Be ready to explain how you've applied these methodologies in past projects and how they contributed to successful software delivery.

✨Prepare for Client-Facing Scenarios

As this role includes a client-facing aspect, think of instances where you've interacted with clients to understand their needs. Practice articulating how you ensure that testing solutions align with business objectives.

Senior Software Engineer in Test (SDET)
Ten10
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  • Senior Software Engineer in Test (SDET)

    Full-Time
    48000 - 84000 ÂŁ / year (est.)

    Application deadline: 2027-01-15

  • T

    Ten10

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