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# Python & API Developer

- **Company:** Kyndryl
- **Location:** Hoofddorp, Netherlands (Remote available)
- **Experience:** Experienced
- **Salary:** €5,869.0
- **Contract:** Permanent contract
- **Skills:** Multitier Architecture, Application Programming Interfaces (APIs), Application Integration Architecture, Microsoft Azure, Software Quality, Code Review, Databases, Continuous Integration, Software Design Patterns, Python (Programming Language), PostgreSQL, OAuth, Object-Oriented Software Development, Cloud Services, Swagger, Secure Coding, Software Construction, Software Deployment, SQL Databases, SQLAlchemy, Web Application Frameworks, Openapi, Azure Service Bus, Data Logging, Enterprise Software Applications, Flask (Web Framework), Backend, Git, Fastapi, Pytest, Integration Tests, Solid Principles, Kubernetes, Apache Kafka, Azure AKS, Asynchronous Programming, Api Design, Restful APIs, Api Management, Docker, Microservices
- **Published:** October 30, 2026
- **Apply:** https://dejobs.org/x/x/E552BF2995A744799523AFC462DE53D7/job/

## About the Role

Must Have: Python, FastAPI, REST APIs, Pydantic, SQL, pytest, Git, API authentication/authorization, asynchronous programming.

Good to Have: Azure, Docker, Kubernetes/AKS, Azure DevOps, CI/CD, SQLAlchemy, PostgreSQL, Kafka/Event Hubs, OpenTelemetry, Azure API Management.

Engineering Practices

Good understanding of OOP, SOLID principles, design patterns, microservices, clean architecture, secure coding, API design, and code-quality practices.

Experience

 * 4-8 years of software/backend development experience.
 * Strong hands-on experience with Python and API development.

## Description

We are looking for a strong Python & API Developer with hands-on experience in building scalable, secure, and production-grade backend services and REST APIs. The candidate should have solid software engineering fundamentals and experience integrating APIs with databases, cloud services, and enterprise applications., * Design, develop, and maintain RESTful APIs and backend services using Python.

 * Build scalable APIs using FastAPI, Flask, or similar Python frameworks.
 * Develop request/response models and validation using Pydantic.
 * Design and maintain API specifications using OpenAPI / Swagger.
 * Implement authentication and authorization using OAuth 2.0, JWT, and related security mechanisms.
 * Integrate APIs with databases, downstream applications, and external services.
 * Implement robust error handling, logging, monitoring, and exception management.
 * Develop asynchronous and high-performance Python services where required.
 * Write unit and integration tests using pytest.
 * Perform code reviews and follow software engineering best practices.
 * Support CI/CD, application deployments, troubleshooting, and production support.