Fluency
Software Engineer, AI Platform
San Francisco. Posted 6 months ago
The role
This person will own the data platform, ETL pipelines, and agent infrastructure. They will build the platform layer that makes AI work reliable, observable, and usable in production.
What you will do
- Own the data platform
- Run the LLM ETL pipeline
- Build agent transformation infrastructure
- Improve reliability, throughput, and cost of LLM-driven jobs in production
- Build observability and tooling
- Partner with AI Engineers
- Operate the system and participate in on-call rotation and incident response
Required qualifications
- Strong Python engineering experience supporting production systems (FastAPI or similar)
- Experience building or maintaining production pipelines that handle non-trivial volume, retries, backfills, and failure recovery
- Hands-on experience with a data orchestrator (Dagster, Airflow, Prefect, or Temporal) and dbt or similar transformation tooling
- Comfort with PostgreSQL at scale: schema design, multi-schema setups, and migrations
- Comfort with AWS infrastructure (ECS, Lambda, SQS, Step Functions, RDS, S3) and IaC (Terraform / Terragrunt)
- Familiarity with LLM APIs and the operational realities of LLM-based systems (latency, cost, retries, structured output, failure modes)
Nice to have
- Experience with distributed compute for Python workloads: Anyscale Ray, Dask, or Spark
- Experience with Polars and Pandas for data processing
- Familiarity with Datadog for observability, metrics, and tracing
- Cost optimization experience for LLM workloads
- Familiarity with pgvector or other vector stores
- Multi-region AWS deployment experience
- Some TypeScript/Node experience
Benefits
- ESOP
- US$1,000 per month food and commuting allowance
- Laptop of choice
Before you apply
- E-3 sponsorship is offered for Australians to relocate with stipend
- Hiring process includes resume screen, 1:1 with founder, technical deep-dive, and working through a real problem with the team
About the company
Fluency builds a platform that captures how work actually happens inside large organizations, measures productivity and process conformance, and analyzes where AI can do the work.