Senior Backend AI Engineer - Python, FastAPI, LLMs (Hybrid)

KellyMitchell Group; Cupertino (CA); Hybrid; USD 73,000 - 99,000; Full time

Job summary

KellyMitchell is seeking a Senior Backend Software Developer to join the AI team in a hybrid Cupertino setting. You will build and enhance backend systems using LLMs, vector embeddings, and rule-based recommendations for financial products, writing robust Python code in FastAPI and collaborating with a distributed team.

Key responsibilities include integrating Azure OpenAI, working with PostgreSQL, and ensuring code quality through tests and CI/CD practices, while applying design patterns like

Qualifications

• 5+ years of professional software development experience, preferably in financial services or enterprise software.
• Strong Python (3.10+), FastAPI, and asynchronous patterns knowledge.
• Experience with LLM APIs, vector databases, embeddings, and caching strategies.

Responsibilities

• Integrate with Azure OpenAI and embedding models for LLM-powered features and RAG architectures.
• Work with PostgreSQL for schema design, queries, and migrations.
• Write production-ready, typed Python code using FastAPI and test with pytest.
• Collaborate on architecture decisions using Pydantic and repository patterns.

Skills

Python

FastAPI

PostgreSQL

LLM APIs

CI/CD

Tools

Pydantic

DI

Async IO

Job description

KellyMitchell is seeking a Senior Backend Software Developer to join the AI team in a hybrid Cupertino setting. You will build and enhance backend systems using LLMs, vector embeddings, and rule-based recommendations for financial products, writing robust Python code in FastAPI and collaborating with a distributed team.

Key responsibilities include integrating Azure OpenAI, working with PostgreSQL, and ensuring code quality through tests and CI/CD practices, while applying design patterns like