Staff Python Backend Engineer

Circuit

Austin (TX)

On-site

USD 120,000 - 150,000

Full time

14 days+

Get more replies from employers

Send a job-specific resume in minutes.

Benefits offered by this job

Competitive compensation

Equity

100% paid healthcare

401K

Flexible PTO

Empowered culture

Job summary

A cutting-edge tech company in Austin, Texas is seeking a Senior Python Backend Engineer to help build and maintain ML services. This role involves developing frameworks and tooling for AI engineers and requires strong experience in Python and async programming. The ideal candidate thrives in a fast-paced environment and is passionate about AI. The company offers competitive compensation, equity, and comprehensive healthcare benefits.

Qualifications

Strong problem-solving abilities and adaptability in a fast-paced, dynamic environment.
Results oriented and ability to move fast while maintaining quality.
Team-first mindset, low ego, and collaborative.

Responsibilities

Build and maintain Python services and internal tooling.
Develop frameworks and APIs for AI engineers.
Own the glue connecting AI models, data pipelines, and product experiences.
Collaborate with AI engineers to automate repetitive tasks.

Skills

Strong Python and async experience

Experience with AI/ML APIs (OpenAI, Anthropic, etc.)

Building SDKs / internal libraries

Knowledge of RAG/agentic architectures

Experience running web services at scale (FastAPI, Flask, Django)

Experience with batch processing systems (Airflow, Argo Workflows, Dagster)

Experience with performance and memory optimization

Experience with Go, Kubernetes, Datadog

Job description

About Circuit

Circuit is building the world’s first company-centric knowledge network. Our AI-powered platform turns fragmented information into actionable knowledge that can be securely shared across partners, vendors, and customers. Backed by a senior team and early enterprise traction, we’re moving fast, and we’re looking for a sharp and hungry Senior Python Backend Engineer to help build our ML services.

Role Summary

This backend engineering role is focused on supporting and building out our ML services, as well as our ML infrastructure and tooling. Our ML infrastructure and services are built in Python, and our overall backend infrastructure is built in Go. You’ll be expected to be the Python expert, with a deep understanding of how to build resilient and high quality services in Python, as well as how to support a team that is moving fast to build out new features. You will work closely with our ML team, helping with feature buildouts and execution, and with the rest of our backend team, aligning on best operational practices.

Responsibilities

Build and maintain Python services and internal tooling that power our AI products
Develop frameworks and APIs that make it faster and easier for our AI engineers to experiment and ship features
Own the “glue” that connects AI models, data pipelines, and product experiences — so our AI engineers can focus on model quality, not boilerplate
Collaborate closely with AI engineers to understand pain points and automate repetitive tasks in their workflows

Experience

Strong Python and async experience
Experience with AI/ML APIs (OpenAI, Anthropic, etc.)
Building SDKs / internal libraries
Knowledge of RAG/agentic architectures (bonus)
Experience running web services at scale (FastAPI, Flask, or Django)
Experience with batch processing systems (Airflow, Argo Workflows, Dagster)
Experience with performance and memory optimization
Experience with Go, Kubernetes, Datadog is a plus

Human Skills

Strong problem-solving abilities and adaptability in a fast-paced, dynamic environment
Results oriented and ability to move fast, while still maintaining quality
Team-first mindset, low ego and collaborative
Strong desire to win
Eager to experiment with emerging AI tools and practices, constantly seeking better, smarter ways to operate

What We Offer

Early-Stage Ownership: Join at the ground floor of a company with real traction and momentum
Empowered Culture: We value autonomy, candor, and craft. You\'ll be trusted to lead
Cutting-Edge Tech: Work with the latest in AI and intelligent systems
Meaningful Impact: Shape a platform that transforms how organizations activate knowledge.
Holistic Benefits: Competitive comp, equity, 100% paid healthcare, 401K, flexible PTO, and a team that truly cares

Equal-Opportunity Employer

We are an equal-opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Who Should Apply

If you\'re a results-driven, collaborative engineer with a passion for building high-impact backend systems and excited to shape the future of AI infrastructure at a fast-moving startup, we’d love to hear from you!

Job Details