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Test Lead - API Automation

Hexaware Technologies • India

onsite
Posted Sep 16, 2026

**Role & seniority: ** Test Automation Engineer focused on AI/LLM evaluation and agent reliability (seniority not specified).

**Stack/tools: **

  • Languages/automation: Python

  • UI/automation: Selenium, Playwright

  • Test framework: PyTest

  • LLM/agent evaluation: LangSmith, DeepEval, Ragas, Promptfoo (or similar)

  • API testing/validation pipelines (tools not specified)

  • Top 3 responsibilities:

    • Build and maintain automated test frameworks for AI agents/LLM apps.

    • Evaluate LLM outputs for accuracy, relevance, completeness, consistency; detect hallucinations.

    • Implement regression testing and create evaluation datasets/benchmarks/scenarios for agent workflows.

  • Must-have skills:

    • Test automation experience with Python + Selenium/Playwright + PyTest (or equivalent).

    • Practical understanding of Generative AI, LLMs, AI agents, prompt engineering.

    • Ability to use LLM evaluation frameworks and design test cases for incorrect outputs/hallucinations/bias.

    • Experience with API testing and automated validation pipelines.

    • Strong analysis and debugging skills; ability to report insights on AI quality metrics (e.g., precision/recall, response quality, task success).

  • Nice-to-haves:

    • Hands-on with LLM platforms: OpenAI, Azure OpenAI, Anthropic, Gemini.

    • MLOps/model monitoring and CI/CD integration.

    • Knowledge of AI governance/responsible AI a

Full Description

Test Automation + Agent/LLM Evaluation (Accuracy, Hallucination, Regression)

Role Summary: Responsible for designing, developing, and executing automated testing frameworks for AI/LLM-based applications and intelligent agents. The role focuses on validating model performance, response accuracy, hallucination detection, regression testing, and overall reliability of AI solutions. Key

Responsibilities: • Develop and maintain automated test frameworks for AI agents and LLM-powered applications. • Evaluate LLM responses for accuracy, relevance, completeness, and consistency. • Design test cases to identify and measure hallucinations, incorrect outputs, and bias. • Perform regression testing to ensure model updates do not impact existing functionality. • Create evaluation datasets, benchmarks, and test scenarios for agent workflows. • Monitor key AI quality metrics such as precision, recall, response quality, and task success rate. • Collaborate with AI engineers, data scientists, and product teams to improve model performance. • Generate testing reports, insights, and

recommendations for continuous improvement. Required Skills: • Experience in test automation using Python, Selenium, Playwright, PyTest, or similar tools. • Understanding of Generative AI, LLMs, AI agents, and prompt engineering. • Knowledge of LLM evaluation frameworks such as LangSmith, DeepEval, Ragas, Promptfoo, or similar. • Experience with API testing and automated validation pipelines. • Strong analytical and troubleshooting skills. Preferred

Qualifications: • Experience with OpenAI, Azure OpenAI, Anthropic, Gemini, or other LLM platforms. • Knowledge of MLOps, AI model monitoring, and CI/CD integration. • Familiarity with AI governance, responsible AI, and model quality assessment.

PythonSeleniumPlaywrightPyTestGenerative AILLMsAI AgentsPrompt EngineeringLangSmithDeepEvalRagasPromptfooAPI TestingMLOpsCI/CDModel Evaluation

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