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AWS Lex SME

AWS Lex SME

Persistent Systemspune, maharashtra, in
24 days ago
Job description

About Position :

We are looking for a dedicated Amazon Lex SME with hands-on experience in designing, configuring, and deploying conversational AI experiences using Amazon Lex V2. This role is central to a platform migration initiative and requires deep expertise in building scalable, production-grade Lex bots. The ideal candidate should be comfortable owning the full lifecycle of Lex bot development—from intent and slot design to deployment and testing.

  • Role : AWS Lex SME
  • Location : All Persistent Locations
  • Experience : 6 to 10 Years
  • Job Type : Full Time Employment

What You'll Do :

  • Defining intents, utterances, and slots
  • Setting up multi-turn conversations
  • Managing session attributes, context control, and fallback strategies
  • Lead the migration of existing bots or workflows from other platforms into Lex V2, ensuring functional completeness and improved user experience.
  • Configure Amazon Lex Knowledge Bases and manage dynamic document sources (e.g., S3, SharePoint, secure portals).
  • Handle Lex bot versioning, aliasing, and promotion across environments (Dev, QA, Prod).
  • Leverage Lex's native integrations with Lambda, Amazon Connect, and Cognito to deliver advanced conversational flows.
  • Optimize language model performance using analytics and real-user feedback.
  • Work closely with frontend, QA, and API teams to ensure successful Lex integration and functionality across platforms.
  • Document design decisions, flow diagrams, and deployment processes for maintainability.
  • Expertise You'll Bring :

  • Extensive hands-on experience with Amazon Lex V2
  • Custom intent and slot configuration
  • Multi-turn conversations and context management
  • Fallback and clarification handling
  • Strong understanding of Lex console and API interfaces
  • Experience integrating Lex with :
  • AWS Lambda for dynamic responses
  • Amazon Cognito for user authentication
  • Amazon Connect for voice interactions
  • Knowledge of REST APIs, API Gateway, and JSON payload handling
  • Familiarity with Lex Knowledge Base setup
  • Exposure to logging and monitoring via CloudWatch
  • Awareness of security and access control for bot workflows
  • Experience in chatbot deployment across web and mobile channels
  • Understanding of LLM / GenAI services (e.g., Bedrock) is a plus
  • Clear verbal and written communication
  • Proactive ownership of deliverables
  • Ability to work independently and in cross-functional teams
  • Strong problem-solving and debugging skills
  • Benefits :

  • Competitive salary and benefits package
  • Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications
  • Opportunity to work with cutting-edge technologies
  • Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
  • Annual health check-ups
  • Insurance coverage : group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents
  • Values-Driven, People-Centric & Inclusive Work Environment :

    Persistent Ltd. is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

  • We support hybrid work and flexible hours to fit diverse lifestyles.
  • Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
  • If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment
  • Let’s unleash your full potential at Persistent - persistent.com / careers

    “Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”

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