21 hours ago
Chennai, IndiaSenior
Responsibilities
- Observe client business processes and translate them into buildable agentic application designs.
- Own architecture decisions covering agent tools, boundaries, state, authentication, failure handling, and delivery scope.
- Build production agent code, version-controlled prompts, tool definitions, orchestration, retries, fallbacks, retrieval, and context layers.
- Develop agent-facing front ends, services, APIs, integration layers, and connections to systems of record.
- Design hybrid keyword and vector retrieval, reranking, embeddings, indexing, context budgets, summarization, memory, and prompt caching.
- Create offline golden sets, LLM-as-judge evaluation, retrieval and generation measurement, distributed tracing, alerting, and operational instrumentation.
- Implement PII handling, prompt-injection resistance, grounding and citation checks, escalation paths, model routing, and cost controls.
- Profile and validate production-shaped data, test integrations, document builds, and create reusable solutions.
Requirements
- 6 to 9 years of total professional experience.
- Hands-on ability to build and operate production agentic AI applications end to end.
- Experience designing retrieval systems with chunking, hybrid keyword and vector search, reranking, citations, embeddings, and indexing.
- Experience building production services, APIs, front ends, integrations, evaluation systems, observability, and deployment workflows.
- Ability to make architecture and model choices based on measured quality, reliability, latency, and cost.
- Ability to handle identity, access, secrets, data residency, PII, prompt injection, malformed data, and model or tool failures.
- Strong ownership of business discovery, technical decision-making, documentation, code review, demonstrations, and handover.
Categories
About Cognizant
Cognizant is a public IT services and consulting firm that designs, builds, and runs enterprise technology, including digital engineering, cloud modernization, data/AI, and managed services. It sells consulting, systems integration, and outsourcing on multi-year engagements to large enterprises in healthcare, banking, retail, communications, and manufacturing. Founded in 1994 and headquartered in Teaneck, New Jersey, Cognizant is NASDAQ-listed (CTSH) and a Fortune 500 company.