Principal AI Engineer

Cornerstone is hiring a Principal AI Engineer in Pune, India. The details below summarise the employer's own listing; applications happen on the original posting, not on GetFirstJob.

What the work involves

• Principal AI Engineer
• Innovation is at the core of this role
• you will beexpected to continuously push boundaries, experiment with emerging AItechniques, and translate cutting-edge research into production systems
• Youwill architect scalable AI platforms, shape our engineering strategy, andprovide expert guidance across cross-functional teams
• In this role you will:
• Hands-on Development: Design, build, and test core LLM platformcomponents, Generative AI agents, and supporting tooling in Java
• ensuringproduction-grade quality, performance, and reliability
• Architecture & System Design: Lead the design andimplementation of robust, scalable systems for LLM orchestration, RAGpipelines, agent workflows (Google ADK), fine-tuning, model serving, and APIdevelopment on AWS
• RAG & Knowledge Systems: Architect and ownRetrieval-Augmented Generation systems end-to-end
• embedding pipelines, vectorstore selection and tuning, chunking strategies, retrieval evaluation, andintegration with generative models

What they are looking for

• We're looking for a highly experienced and innovative Principal AIEngineer to drive the development and adoption of our LLM Platform andGenerative AI initiatives
• You've Got What It Takes If You Have
• 10+ years of software engineering experience with a strong focuson AI/ML systems, including 3+ years hands-on with LLMs and Generative AI inproduction
• Deep expertise in Retrieval-Augmented Generation (RAG) -including vector databases, embedding models, hybrid search, and evaluationframeworks
• GCP experience aplus
• Strong Java engineering skills
• experience building productionAI services and APIs in the JVM ecosystem
• Hands-on experience with Google Agent Development Kit (ADK) orcomparable agentic frameworks (LangGraph, LangChain, etc.)

Pay and dates

The listed pay is Not Disclosed. The source page shows a relative posting age rather than an exact posting date; this role was first seen and checked as open on 4 November 2026. The source page showed it as posted “1 day ago” when captured; that is a relative stamp, not an exact date.

How to apply

Apply on the listing where the employer published this role: Principal AI Engineer at Cornerstone. We found this listing via naukri.com; it was still open when we checked on 4 November 2026. If the posting has closed or the link fails, the role may have been filled.