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Parexel

AI Engineer, Agent/Platform Tracks

Job · Full-timeIn OfficeHyderabad3-5 years1 opening

About this role

Parexel is hiring for AI Engineer, Agent/Platform Tracks in Hyderabad. This opening was published by Parexel on their official careers board (Workday) on 27 July 2026 and was confirmed live on 14 September 2026. Job details • Company: Parexel • Role: AI Engineer, Agent/Platform Tracks • Location…

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Skills you'll use

PythonNLPAWSCommunicationQuality ControlLLMAlgorithms

What you'll do

  • Implement the specialized pharmacovigilance agents: write system prompts, configure model parameters, build tool-use definitions, and define agent boundaries to ensure precise adverse event processing
  • Build and iterate prompt chains for each processing step: source document parsing, field extraction, MedDRA coding suggestions, causality assessment logic, narrative drafting, and E2B(R3) output generation
  • Develop the deterministic rule engine layer: implement ICH E2B field validation checks, MedDRA hierarchy verification, and regulatory logic constraints that operate alongside LLM outputs
  • Create and maintain evaluation datasets in collaboration with the pharmacovigilance domain team: annotated ground-truth cases, edge case libraries, and regression test suites
  • Develop and maintain Model Context Protocol (MCP) servers to expose enterprise applications, APIs, databases, and services as standardized tools for AI agents
  • Implement secure MCP integrations, tool definitions, authentication, and testing to enable reliable agent interaction with internal and external systems
  • Run accuracy benchmarks, analyze failure modes, and iterate on prompts and agent configurations to improve performance against defined thresholds
  • Implement the quality control agent's cross-verification logic: configure separate Claude instances, build comparison algorithms, and calibrate confidence scoring
  • Build human-in-the-loop feedback mechanisms: reviewer interfaces for accept/modify/reject decisions, structured feedback capture, and feedback-to-prompt-improvement pipelines

Who can apply

  • 3+ years of software engineering experience, with at least 1 year building applications that use LLM APIs (Anthropic, OpenAI, or equivalent)
  • Proficiency in Python with demonstrated experience in production environments
  • Experience building and evaluating NLP or LLM-based systems with measurable quality metrics
  • Strong problem-solving skills and ability to work independently while collaborating with team members
  • Bachelor's degree in computer science, or a related field, or equivalent professional experience

About Parexel

When our values align, there's no limit to what we can achieve. At Parexel, we all share the same goal - to improve the world's health. From clinical trials to regulatory, consulting, and market access, every clinical development solution we provide is underpinned by something special - a deep…

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