Senior Backend Engineer - eCommerce Platform

Prenuvo; San Francisco (CA); Hybrid; USD 175,000 - 190,000; Full time

Benefits offered by this job

401(k) retirement plan

Health, dental, vision coverage

Flexible vacation

Commuter benefits

Job summary

Prenuvo is seeking a Senior Backend Engineer II to join our eCommerce team. You will build scalable Python services powering our online booking platform, focusing on checkout, payments, scheduling, and multi-country integrations.

You will design robust APIs, ensure performance and reliability, and collaborate with cross-functional teams. This role offers a competitive base salary and a culture of ownership and innovation.

Qualifications

• 7+ years of backend software engineering experience with Python.
• Experience building REST APIs with FastAPI, Flask, or Django.
• Deep knowledge of PostgreSQL including schema design and query optimization.
• Experience building and maintaining distributed systems and integrating with external APIs.
• Hands-on experience with cloud platforms such as AWS and modern CI/CD practices.
• Strong testing practices using pytest, with experience building reliable automated test suites.
• Experience with monitoring/observability tools such as Datadog.

Responsibilities

• Build and maintain scalable backend services using Python, FastAPI, and PostgreSQL that power our online booking experience.
• Design and maintain APIs supporting checkout, payments, scheduling, customer accounts, and order management.
• Integrate with third-party platforms including Stripe, CommerceTools, Salesforce, Voucherify, and other critical systems.
• Design resilient distributed systems with robust error handling, observability, and monitoring using Datadog.
• Optimize application performance, database queries, and service reliability for high-volume workloads.
• Write comprehensive automated tests and contribute to a culture of quality and reliability.
• Partner with Product, Design, and other teams to deliver customer-facing features.
• Mentor other engineers and contribute to architectural direction.

Skills

Python

FastAPI

PostgreSQL

REST APIs

AWS

pytest

Distributed systems

Datadog

Mentoring/leadership

Tools

SQLAlchemy

Pydantic

Docker

Terraform

GitHub Actions

Job description

Prenuvo is seeking a Senior Backend Engineer II to join our eCommerce team. You will build scalable Python services powering our online booking platform, focusing on checkout, payments, scheduling, and multi-country integrations.

You will design robust APIs, ensure performance and reliability, and collaborate with cross-functional teams. This role offers a competitive base salary and a culture of ownership and innovation.