Senior Python Backend Engineer: REST, Async, Microservices

Robotics Technologies LLC; Phoenix (AZ); On-site; USD 83,000 - 118,000; Full time

Job summary

Robotics Technologies LLC is seeking an experienced Backend Python Developer to join our Phoenix team. You will design, build, and scale API-driven services using Python frameworks (Flask, FastAPI, Django) with PostgreSQL and modern async architectures.

You will implement secure authentication, error handling, logging, and monitoring, while integrating with distributed systems and microservices. This contract role spans 8 months with extension potential, offering C2C options and a strong focus

Qualifications

• 8+ years of professional Python backend development and software engineering.
• Experience building RESTful APIs with Flask/FastAPI/Django.
• Strong PostgreSQL knowledge including queries, design, and optimization.
• Experience with API integrations, authentication, error handling, and logging.
• Familiarity with asynchronous processing, background jobs, and distributed systems.
• Exposure to workflow orchestration frameworks like Temporal, Airflow, or Celery.
• Experience with real-time communication technologies (WebSockets, Socket.IO).
• Proficient with Git workflows, code reviews, and CI/CD pipelines.

Responsibilities

• Design, develop, and maintain scalable backend apps, services, and APIs using Python.
• Build and enhance RESTful APIs with Flask, FastAPI, and Django.
• Design and optimize PostgreSQL schemas, queries, and data access.
• Develop backend integrations with internal and external systems with secure auth.
• Implement asynchronous programming and distributed workflows for high-volume apps.
• Maintain workflows with Temporal, Airflow, or Celery.
• Add real-time capabilities using WebSockets/Socket.IO.
• Write unit/integration tests with Pytest or similar.
• Collaborate via Git, PRs, and code reviews.
• Support Docker, Kubernetes, and CI/CD for deployment and release.

Skills

Python backend

Async programming

RESTful APIs

Backend architecture

Debugging & performance

Tools

Flask

FastAPI

Django

PostgreSQL

Docker

Kubernetes

Job description

Robotics Technologies LLC is seeking an experienced Backend Python Developer to join our Phoenix team. You will design, build, and scale API-driven services using Python frameworks (Flask, FastAPI, Django) with PostgreSQL and modern async architectures.

You will implement secure authentication, error handling, logging, and monitoring, while integrating with distributed systems and microservices. This contract role spans 8 months with extension potential, offering C2C options and a strong focus