Tata Consultancy Services
Senior Playwright Automation Engineer
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Role: Senior Playwright Automation Engineer
Job Type: Permanent
Location: United Kingdom
Working Hours: 40 hours per week (Full-time)
Careers at TCS: It means more
TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.
Innovation driven by ambition: Gain exposure to innovative technology. Be part of an exciting team where you will be challenged every day.
Limitless scope: Support many of the biggest brands in the UK. Guide and collaborate with some of the brightest global minds in the industry.
Global, distinct perspectives: Build strong relationships with a diverse range of stakeholders.
The Role
We are seeking a highly skilled Senior Playwright Automation Engineer to lead the quality engineering strategy for next-generation AI, Generative AI, LLM, RAG, Copilot, Multi-Agent, and Agentic AI Platforms. This role goes beyond traditional test automation and focuses on validating the reliability, accuracy, safety, performance, explainability, and guardrails of AI-powered systems.
The ideal candidate combines deep expertise in Playwright automation, API testing, CI/CD, and Quality Engineering with practical experience validating LLMs, prompt workflows, AI agents, MCP integrations, RAG pipelines, and autonomous decision-making systems.
Your responsibilities:
- Design and develop scalable test automation frameworks using Playwright (TypeScript/JavaScript).
- Automate UI, API, Integration, E2E, and Regression testing.
- Validate AI/GenAI applications for:
- Accuracy and relevance
- Hallucinations and bias
- Prompt injection and security risks
- RAG retrieval and citation quality
- Agent workflows, tool usage, and memory
- Create automated prompt testing and AI evaluation suites.
- Integrate tests into CI/CD pipelines and quality gates.
- Execute performance, reliability, and observability testing for AI systems.
- Collaborate with AI Engineers, Product Owners, and Architects to drive quality engineering best practices.
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Your Profile
Essential skills/knowledge/experience:
- Strong experience with Playwright, TypeScript/JavaScript, Python.
- Expertise in UI, API, E2E, and automation framework development.
- Experience with REST APIs, Postman, and API automation.
- Hands-on knowledge of DevOps, GitHub Actions, Jenkins, Docker, and Git.
- Proficiency in Python for AI testing and automation.
- AI/GenAI Testing Experience (Mandatory) Testing of LLMs, Copilots, RAG, and Agentic AI systems.
- Understanding of:
- Prompt engineering and prompt validation
- Vector databases and retrieval testing
- Multi-agent workflows
- Responsible AI and AI safety testing
Desirable skills/knowledge/experience:
- Experience with Azure OpenAI, GPT, Claude, Gemini, or Llama.
- Knowledge of LangChain, LangGraph, Semantic Kernel, CrewAI, or AutoGen.
- Experience in BFSI or regulated enterprise environments.
Rewards & Benefits
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network. We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role. As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at UKI.recruitment@tcs.com if you would like to opt in.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
If you are an applicant who needs any adjustments to the application process or interview, please contact us at UKI.recruitment@tcs.com with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / +44 204 520 2575 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.
Beware of Fraudulent offers
This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to UKI.recruitment@tcs.com to report any fraudulent activity.
Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.
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