AI Prompt Engineer — RAG & Agentic Workflows

BeaconFire Inc.; New York (NY); On-site; USD 140,000 - 180,000; Full time

Job summary

BeaconFire Inc. is seeking a senior Python developer to design and implement high quality web applications using Python, Flask, Django, and related technologies.

You will build RAG pipelines on Google Cloud Vertex AI, design agentic workflows, conduct code reviews, testing, and deliver production APIs with strong observability, security, and cost/performance optimization. The role requires participating in planning, estimation, and documenting technical decisions, staying current with evolving

Qualifications

• SDLC understanding required.
• Experience with relational DBs (MySQL/PostgreSQL).
• Experience with Git and version control workflows.
• Experience building RAG solutions (hybrid search, embeddings, chunking, reranking).
• Familiarity with agentic frameworks (LangChain, LlamaIndex, Semantic Kernel, AutoGen) and tool calling patterns.
• Strong knowledge of vector search concepts and a production vector DB.

Responsibilities

• Collaborate with the team to design and develop high quality Web applications using Python, Flask, Django, and related technologies.
• Write clean and efficient code, and ensure code maintainability and reusability.
• Design and implement RAG pipelines on Google Cloud / Vertex AI (chunking, embeddings, indexing, retrieval, reranking, grounding).
• Build agentic workflows (tool use, planning, reflection/guardrails, structured outputs) using Python-first frameworks.
• Perform code reviews to ensure code quality and consistency.
• Conduct testing to ensure application quality and reliability.
• Create and maintain technical documentation for web applications.
• Participate in project planning, estimation, and prioritization.
• Stay up to date with the latest technologies for Python development.
• Define and run evaluation (retrieval metrics, answer quality, hallucination/grounding checks), and improve system quality iteratively.
• Ship to production: APIs, monitoring/observability, cost/performance optimization, CI/CD, and security best practices.

Skills

Python

Flask

Django

RAG pipelines

Vertex AI

LangChain

LlamaIndex

Semantic Kernel

AutoGen

Vector DB

Git

Tools

MySQL

PostgreSQL

Job description

BeaconFire Inc. is seeking a senior Python developer to design and implement high quality web applications using Python, Flask, Django, and related technologies.

You will build RAG pipelines on Google Cloud Vertex AI, design agentic workflows, conduct code reviews, testing, and deliver production APIs with strong observability, security, and cost/performance optimization. The role requires participating in planning, estimation, and documenting technical decisions, staying current with evolving