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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Python Developer - **Company:** Keyrus Portugal - **Location:** Den Haag, Netherlands - **Experience:** Experienced - **Salary:** €7,800.0 - **Contract:** Contract - **Skills:** Clean Code Principles, Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Business Logic, Application Performance Management, Unit Testing, Microsoft Azure, Software Debugging, Django Web Framework, Python (Programming Language), NoSQL, Scrum Methodology, Standard Sql, Software Engineering, SQL Databases, Flask (Web Framework), Backend, Fastapi, Integration Tests, Virtual Agents, Restful APIs, Docker - **Published:** September 16, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=949d3a746217862e ## About the Role * You are curious, analytical, and motivated by solving meaningful business challenges. * You enjoy turning complexity into clarity and action. * You balance technical thinking with business understanding. * You are comfortable working in collaborative and international environments. * You take ownership of your work and follow through on commitments. * You value continuous learning and are motivated by long-term professional growth. * You communicate clearly and effectively with a variety of stakeholders., Must have: * 3+ years of professional software development experience. * Strong hands-on experience with Python. * Experience developing backend applications and REST APIs. * Experience working with SQL or NoSQL databases. * Experience writing unit and integration tests. * Good communication and problem-solving skills. * Ability to work effectively in a collaborative, Agile environment. * Professional proficiency in English. Technical & Professional Skills You should be comfortable working with: * Python * At least one Python backend framework such as Django, FastAPI or Flask * REST APIs * SQL and/or NoSQL databases * Docker * Basic knowledge of at least one cloud environment: AWS, Azure or GCP * Unit and integration testing * Agile/Scrum ways of working Nice to Have * Experience working across different backend technologies or architectures. * Experience with more advanced cloud-based development environments. * Experience contributing to performance and scalability improvements., * You focus on outcomes rather than activity. * You approach challenges with curiosity and pragmatism. * You communicate complex concepts in a clear and accessible way. * You are comfortable navigating ambiguity and finding practical solutions. * You contribute to collective intelligence by sharing knowledge and supporting others. * You combine autonomy with collaboration. * You continuously look for opportunities to improve systems, processes, and results. ## Description As a Python Developer, you'll help build and maintain backend components that are reliable, scalable and ready for real-world use. You'll work across the development lifecycle, from implementing backend logic and APIs to testing, debugging and improving application performance. Your responsibilities will include: * Build and maintain backend components and application logic using Python. * Design, develop and maintain REST APIs. * Integrate applications with SQL and/or NoSQL databases. * Write unit and integration tests to ensure reliable, maintainable code. * Troubleshoot, debug and resolve application issues. * Contribute to improving application performance, scalability and reliability. * Collaborate with front-end developers and other technical teams to integrate backend services. * Participate in Agile ceremonies, including sprint planning and reviews. * Contribute to technical discussions and help identify practical solutions to engineering challenges., At Keyrus, all stages of our recruitment process are conducted and evaluated by human recruiters and interviewers. To support accuracy and efficiency, AI may occasionally be used internally by our team exclusively for note-taking purposes during interviews. AI is never used to make decisions. To ensure fairness, authenticity, and the protection of confidential and proprietary information, the use of AI tools by candidates during the recruitment process is strictly prohibited. Our commitment to responsible AI practices ensures that hiring decisions are based solely on each candidate's own skills, experience, judgment, and expertise. ️ Any use of AI assistance during the interview process may result in immediate disqualification from the recruitment process. ## Related Videos - [Build your backend using FastAPI](https://www.wearedevelopers.com/videos/506-build-your-backend-using-fastapi) - [Enterprise Python: Software That Lives Long And Prosper](https://www.wearedevelopers.com/videos/946-enterprise-python-software-that-lives-long-and-prosper) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Intro to FastAPI](https://www.wearedevelopers.com/videos/462-intro-to-fastapi) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [7 good reasons why you should learn Python in 2021](https://www.wearedevelopers.com/magazine/19-7-good-reasons-why-you-should-learn-python-in-2021) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development)