Cognizant
Sr. AI Engineer – Large Language Models & Agentic Systems
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Job Description
About the role
As a Senior AI Engineer – Large Language Models & Agentic Systems , you will make an impact by designing and delivering scalable, production-grade AI applications powered by large language models. You will be a valued member of the AI engineering team and work collaboratively with data scientists, software engineers, and product stakeholders to build intelligent, enterprise-ready solutions.
In this role, you will
Architect and deliver end-to-end LLM-powered applications and agentic workflows using Python
Design and implement retrieval-augmented generation (RAG) pipelines over enterprise datasets using embeddings and vector databases
Build and orchestrate multi-step, tool-using AI agents (planning, execution, and memory) using frameworks such as LangChain or LangGraph
Integrate AI solutions with APIs, backend systems, and cloud platforms to enable scalable deployment
Establish evaluation, reliability, and performance strategies, including accuracy, latency, and cost optimization
Work model
We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a remote position open to qualified applicants in the United States. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
What you need to have to be considered
Strong expertise in Python, with experience building and deploying production-grade backend systems
Hands-on experience developing applications using large language models, including prompt engineering and orchestration
Proven experience designing and implementing RAG architectures, including embeddings and vector databases
Exp...
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