Python Backend Engineer – Cloud, APIs & Systems (Onsite)

Acestack; Sunnyvale (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Acestack in Sunnyvale, CA is seeking a talented Full-stack Python Developer to design, build, and maintain high-performance cloud applications, delivering robust server-side logic and secure APIs. You will collaborate with frontend engineers, product managers, and DevOps to deliver scalable microservices, drive system design, and optimize data persistence with Django/FastAPI/Flask and ORM frameworks.

The role expects deep understanding of concurrency, testing, CI/CD pipelines, containerization,

Qualifications

• Experience with distributed backend systems and system design.
• Proficient in Python 3.10+ with async programming and memory management.
• Hands-on with FastAPI, Django, or Flask and ORM tools.

Responsibilities

• Architect and scale distributed backend systems.
• Design, develop, and maintain high-throughput RESTful APIs and microservices.
• Optimize database schemas and queries using ORM frameworks.
• Implement security for authentication and authorization.
• Write unit, integration, and regression tests.
• Package applications into containers and assist in deploying to cloud.
• Troubleshoot performance, memory leaks, and query bottlenecks.

Skills

System Design

Data Structures & Algorithms

Core Python

Databases

API Design

Build & Test Tools

Git

Tools

FastAPI

Django

Flask

Pytest

SQLAlchemy

Job description

Acestack in Sunnyvale, CA is seeking a talented Full-stack Python Developer to design, build, and maintain high-performance cloud applications, delivering robust server-side logic and secure APIs. You will collaborate with frontend engineers, product managers, and DevOps to deliver scalable microservices, drive system design, and optimize data persistence with Django/FastAPI/Flask and ORM frameworks.

The role expects deep understanding of concurrency, testing, CI/CD pipelines, containerization,