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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Python Developer - **Company:** Protolabs - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, C++ (Programming Language), Relational Databases, DevOps, Web Development, Github, Python (Programming Language), PostgreSQL, RabbitMQ, Redis, SQLAlchemy, Systems Integration, TypeScript, Rust (Programming Language), Amazon ElastiCache, Flask (Web Framework), Zapier, Backend, Fastapi, AngularJS, Kubernetes, Operational Systems, Celery, Front End Software Development, Terraform, Marketplace, Docker - **Published:** September 5, 2026 - **Apply:** https://startup.jobs/senior-python-developer-backend-protolabs-8725588 ## About the Role * 7+ years of experience building web applications and backend services * Strong proficiency in Python for designing, developing, testing and monitoring production systems * Experience with relational databases like PostgreSQL * Experience with Docker, Kubernetes, and CI/CD environments * Track record of leading technical projects and mentoring other engineers * Experience working in an agile team with product managers and designers * Excellent communication and collaboration skill Bonus Points For * Experience with marketplace platforms or operational systems * Deep understanding of event-based architectures * Familiarity with Angular ## Description We are the leaders in digital manufacturing. We hire doers, makers, and creative thinkers who tackle our roles with an entrepreneurial spirit. Our culture is centered around meaningful work that brings new and innovative products to market at unprecedented speeds. We are a diverse team that comes from all walks of life and take pride in our team who is smart, genuine, humble, and passionate about what we do. It's our people who fuel our creativity and make our culture feel like home. We are looking for a Senior Python Developer to join our team in AMS! This is a hybrid role, and we are accepting applications from candidates based in the Netherlands. The Manufacturing Partner Marketplace is the operational heart of Protolabs Network. We own the full order lifecycle - matching orders to the right manufacturing partners, moving them through production and quality control, and ensuring on-time delivery. Our work is critical to maintaining seamless operations and customer satisfaction. Within this domain you'll be building systems that power the marketplace - automated auctions, order allocation, supplier tooling, production workflows, global logistics, quality control, and internal ops tools. We are looking for a pragmatic problem solver who will thrive in a dynamic environment and can take ownership of the business problem, not just the technical solution. Our Tech Stack * Backend: Python 3.11+ with FastAPI, Flask and SQLAlchemy (we also use Celery with RabbitMQ for background tasks and KNative for eventing) * Frontend: Angular 15 with TypeScript * DevOps: Kubernetes on AWS (using EKS), Terraform, GitHub Actions * Data: PostgreSQL (on RDS), Redis (using Elasticache) * Integrations: Retool and Zapier * (Some teams also use Rust, Java, and C++), * Lead the design and delivery of features end to end, working cross-functionally with stakeholders to solve complex marketplace problems * Build APIs and backend systems that power the order lifecycle from supplier matching to delivery * Drive architectural decisions and improve the technical foundations of our platform * Mentor engineers and raise the bar on engineering practices within the team * Integrate with eventing systems and scale our platform as order volume grows * Improve the quality of our products through testing, observability, and best practices * Collaborate with our Backend guild to set standards and improve the state of our backend systems. ## Related Videos - [Celery on AWS ECS - the art of background tasks & continuous deployment](https://www.wearedevelopers.com/videos/561-celery-on-aws-ecs-the-art-of-background-tasks-continuous-deployment) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Enterprise Python: Software That Lives Long And Prosper](https://www.wearedevelopers.com/videos/946-enterprise-python-software-that-lives-long-and-prosper) - [Walking into the era of Supply Chain Risks](https://www.wearedevelopers.com/videos/376-walking-into-the-era-of-supply-chain-risks) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)