GCP Generative AI Application Engineer

About this role

U.S. citizenship is required by the federal engagement supporting this role. Candidates must reside in and perform all work from within the United States. Work is remote, although occasional approved travel may be required. Visa sponsorship is not available.

Lanthos is hiring a hands-on GCP Generative AI Application Engineer to build and support applications using Gemini models through Vertex AI for a regulated public-sector program.

This is a junior-to-mid-level individual-contributor role. You will implement, test, monitor and document AI application features within established cloud, security and architecture patterns. You will work alongside senior technical leads and will not be expected to own the program’s enterprise architecture.

What you’ll do

• Build and test Python services that integrate Gemini models and other approved models through Vertex AI.
• Implement retrieval-augmented generation workflows, including ingestion, chunking, embeddings, retrieval, citations and grounded responses.
• Develop containerized APIs and application components and deploy them to Cloud Run or another approved managed runtime.
• Connect services to approved sources such as Cloud Storage, BigQuery, enterprise search indexes and internal APIs.
• Create automated tests and evaluation checks for retrieval quality, groundedness, failure handling and response consistency.
• Add application logging, monitoring and useful operational diagnostics.
• Use Git-based development, code review and CI/CD practices.
• Maintain implementation notes, test evidence and runbooks for security review and operational handoff.

Minimum qualifications

• Two or more years of relevant software, data or machine-learning engineering experience, including at least one year of hands-on Google Cloud work.
• Strong practical Python skills, including APIs, testing, error handling and data processing.
• Hands-on experience personally building an LLM-enabled or RAG application with Gemini on Vertex AI be...