Principal Engineer, GenAI Solutions

Placer.ai is seeking an experienced Principal Engineer with deep GenAI expertise to lead GenAI product solutions and development efforts. The ideal candidate will have 10+ years of software development experience, proven success in production GenAI environments, and a passion for building scalable AI platforms that deliver measurable business impact.

Requirements

• Bachelor's degree or higher in Computer Science, Engineering, or a related field
• 10+ years of experience in software development, with 1+ years building production GenAI solutions in B2B SaaS environments
• Expert-level proficiency in backend engineering with Python, Java, Go, or Node.js
• Strong understanding of modern frontend technologies (React/Next.js, TypeScript)
• Hands-on experience building and deploying LLM-powered applications using frameworks such as LangChain, LlamaIndex, and APIs from OpenAI, Anthropic, or open-source models
• Experience implementing agentic AI architectures with tool calling, memory systems, and multi-step reasoning capabilities for complex business workflows
• Demonstrated expertise in RAG (Retrieval-Augmented Generation) systems, vector databases (Pinecone, Weaviate, ChromaDB), and semantic search implementations
• Strong foundation in data engineering: designing and optimizing data pipelines, ETL processes, and data infrastructure to support AI/ML workloads
• Proven track record of taking GenAI models from prototype to production, including fine-tuning LLMs, prompt engineering, and implementing guardrails for responsible AI
• Experience with MLOps practices: model versioning, A/B testing, monitoring model performance, and managing the full ML lifecycle in production environments
• Skilled at translating business requirements into technical solutions and collaborating with cross-functional teams including product managers, data scientists, and stakeholders

Benefits

• Competitive salary
• Excellent benefits