Senior Automation Test Engineer (API Automation, Webservices testing, Jmeter)

We are looking for a Senior automation test engineer who can take ownership of end-to-end quality assurance, including automation testing, hands on experience in automation API, Playwrite, Javascript, Jmeter, and platform validation across distributed services.

Please find below job description, if interested apply / reply sharing your profile to connect and discuss.

Company: BigThinkCode Technologies

URL: https://www.bigthinkcode.com/

Role: Senior Test Engineer

Experience required: 3-4 years

Work location: Chennai

Joining time: Immediate joiner

Must have skills:

• 3–4 years of experience in QA Automation and Software Testing.
• Strong experience with API automation testing tools and frameworks.
• Hands on expertise using Playwrite (Javascript / typescript).
• Hands-on experience in performance/load testing tools such as JMeter, k6, Gatling, or similar.
• Experience testing distributed systems or microservices architectures.
• Good understanding of REST APIs, asynchronous systems, and event-driven architectures.
• Basic scripting/programming knowledge in JavaScript/TypeScript or Node.js.

Key Responsibilities:

• Architect & Build: Design and implement highly scalable microservices capable of Design, develop, and maintain automated test plans, test cases, and QA documentation.
• Perform functional, integration, regression, and end-to-end testing.
• Execute performance, stress, load, scalability, and reliability testing for distributed systems.
• Build automated CI/CD quality gates and testing pipelines.
• Collaborate closely with developers, DevOps, and product teams to ensure high product quality.

Core Requirements:

• Exposure to Kubernetes, Docker, and cloud platforms.
• Experience with observability tools like Prometheus, or ELK stack.
• Foundational exposure testing GenAI applications. Understanding of qualitative frameworks like RAG (Retrieval-Augmented Generation), prompt injection resilience testing, token latency tracking, or validating model output deterministic drift.

Why Join BigThinkCode:

• Collaborative work environment.
• Exposure to modern tools and scalable application architectures.
• Medical cover for employee and eligible dependents.
• Comprehensive leave policy
• Competency development training programs.