Senior Principal Al Engineer

About Cornerstone:

Cornerstone powers the future-ready workforce with modern AI-driven employment solutions. Our platform enables companies to develop manage and engage their talentunlocking growth and innovation across organizations of all sizes.

In this role you will..

• Design develop and deploy production-grade AI agents and multi-agent systems using modern LLM frameworks.
• Build and optimize Retrieval-Augmented Generation (RAG) solutions for enterprise-scale applications.
• Develop intelligent workflows involving planning reasoning memory management tool calling and function calling.
• Design and implement scalable backend services and REST APIs using Python frameworks such as FastAPI.
• Integrate LLMs with enterprise systems vector databases APIs and external tools.
• Deploy AI applications using Docker Kubernetes and cloud platforms such as AWS Azure or GCP.
• Optimize AI systems for latency scalability reliability and cost efficiency.
• Build evaluation pipelines to measure retrieval quality response relevance hallucination rates and overall LLM performance.
• Implement semantic search hybrid search reranking embedding pipelines and vector database integrations.
• Establish observability monitoring logging and tracing for AI applications using industry-standard tools.
• Collaborate with product managers software engineers data scientists and platform teams to deliver end-to-end AI solutions.
• Mentor junior engineers and promote AI engineering best practices coding standards and architectural excellence.
• Stay up to date with emerging advancements in LLMs Agentic AI RAG and AI infrastructure.

Youve got what it takes if you have...

• Bachelors or masters degree in computer science Artificial Intelligence Machine Learning or a related technical field.
• 8 years of overall software engineering experience.
• Minimum 3 years of hands-on experience building AI/Generative AI applications using Large Language Models (LLMs).
• Minimum 3 years of experience developing scalable backend software and distributed systems.
• Strong proficiency in Java and Python and modern software engineering principles.
• Hands-on experience with AI orchestration frameworks such as LangGraph LangChain LlamaIndex etc.
• Experience designing and implementing production-grade RAGsystems including embedding models semantic search hybrid search reranking and vector databases.
• Experience with vector databases such as Milvus Pinecone Weaviate OpenSearch Elasticsearch FAISS or ChromaDB.
• Experience integrating and deploying applications using LLMs such as OpenAI GPT Claude Gemini Llama Mistral Amazon Nova or Azure OpenAI.
• Strong experience building REST APIs using FastAPIor similar Python frameworks.
• Experience with containerization and orchestration technologies such as Dockerand Kubernetes.
• Experience deploying AI solutions on cloud platforms such as AWS Azure or GCP.
• Familiarity with CI/CD pipelines Git and modern DevOps practices.
• Experience with AI evaluation prompt engineering observability and monitoring tools such as LangSmith Langfuse MLflow OpenTelemetry Prometheus or Grafana.
• Strong understanding of software architecture microservices asynchronous programming and distributed systems.
• Excellent problem-solving communication and collaboration skills with the ability to work effectively in a cross-functional team environment.

#LI-Onsite

Our Culture:

Spark Greatness. Shatter Boundaries. Share Success. Are you ready Because here right now is where the future of work is happening. Where curious disruptors and change innovators like you are helping communities and customers enable everyone anywhere to learn grow and advance. To be better tomorrow than they are today.

Who We Are:

Cornerstone powers the potential of organizations and their people to thrive in a changing world. Cornerstone Galaxy the complete AI-powered workforce agility platform meets organizations where they are. With Galaxy organizations can identify skills gaps and development opportunities retain and engage top talent and provide multimodal learning experiences to meet the diverse needs of the modern workforce. More than 7000 organizations and 100 million users in 180 countries and in nearly 50 languages use Cornerstone Galaxy to build high-performing future-ready organizations and people today.

Check us out on LinkedIn Comparably Glassdoor and Facebook!

Required Experience:

Staff IC