> Markdown version of [/jobs/ext/2720673-backend-engineer-ii-ecommerce](https://www.wearedevelopers.com/jobs/ext/2720673-backend-engineer-ii-ecommerce). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer II - eCommerce - **Company:** Prenuvo, Inc. - **Location:** United States - **Experience:** Expert - **Salary:** $175,000.0 - $190,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Application Performance Management, Automation of Tests, Continuous Integration, Relational Databases, Database Queries, Distributed Systems, Django Web Framework, Payment Systems, Github, Monitoring of Systems, Python (Programming Language), PostgreSQL, Query Optimization, Salesforce.Com, Software Engineering, SQLAlchemy, Systems Integration, Datadog, Planning Software, Flask (Web Framework), Backend, Fastapi, Pytest, Stripe, Restful APIs, Terraform, Docker, Web Api - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-backend-engineer-ii-ecommerce-prenuvo-8980161 ## About the Role * Build and maintain scalable backend services using Python, FastAPI, and PostgreSQL that power our online booking experience., * 7+ years of professional backend software engineering experience with Python. * Strong experience building REST APIs with frameworks such as FastAPI, Flask, or Django. * Deep knowledge of relational databases, particularly 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 frameworks such as pytest, with experience building reliable automated test suites. * Experience with monitoring and observability tools such as Datadog or similar platforms. * A startup mindset: comfortable with ambiguity, able to balance speed with quality, and willing to take ownership from design through production. * Excellent communication skills and the ability to collaborate across engineering and business teams. Nice to Have * Experience with headless commerce platforms such as CommerceTools. * Experience with payment systems including Stripe, Affirm, or similar providers. * Experience with SQLAlchemy, Pydantic, and asynchronous Python development. * Familiarity with Terraform, Docker, and GitHub Actions. * Experience with scheduling platforms, subscription systems, or healthcare applications. * Experience working in highly regulated industries. ## Description * 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 business-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 transactional workloads. * Write comprehensive automated tests and contribute to a strong engineering culture focused on quality and reliability. * Partner closely with Product, Design, and other engineering teams to deliver customer-facing features. * Mentor other engineers, participate in architecture discussions, and help drive technical direction across the platform.. ## Related Videos - [Navigating Growth, Scaling Challenges, and Office Expansions with David Singleton, CTO at Stripe](https://www.wearedevelopers.com/videos/100362-navigating-growth-scaling-challenges-and-office-expansions-with-david-singleton-cto-at-stripe) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [pytest: Simple, rapid and fun testing with Python](https://www.wearedevelopers.com/videos/213-pytest-simple-rapid-and-fun-testing-with-python) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Build Your Own Subscription-based Course Platform](https://www.wearedevelopers.com/videos/321-build-your-own-subscription-based-course-platform) - [Teini - an extremely small webshop leveraging awesome and free tech](https://www.wearedevelopers.com/videos/286-teini-an-extremely-small-webshop-leveraging-awesome-and-free-tech) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [E-Commerce in the Agentic Age: When "Buy" Becomes a Function Call](https://www.wearedevelopers.com/magazine/750-e-commerce-in-the-agentic-age-when-buy-becomes-a-function-call) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe)