Python Developer
First seen by Alion on Sep 4, 2026.
About the Role:
We are looking for an experienced Python Developer with 5+ years of hands-on experience in developing scalable, high-performance backend applications and APIs. The ideal candidate should have strong expertise in Python, REST APIs, FastAPI, and Docker, along with a solid understanding of backend development and microservices architecture.
Key Responsibilities:
- Design, develop, test, and maintain scalable backend applications using Python.
- Build and integrate RESTful APIs using industry-standard development practices.
- Develop high-performance and asynchronous APIs using FastAPI.
- Design and implement scalable backend services and microservices.
- Containerize applications using Docker and ensure consistent development and deployment environments.
- Write clean, reusable, maintainable, and well-documented code.
- Implement API authentication, authorization, validation, error handling, and security best practices.
- Integrate internal and third-party APIs and services.
- Troubleshoot and resolve application, API, and performance-related issues.
- Develop unit and integration tests to ensure application reliability and code quality.
- Collaborate with frontend developers, QA engineers, DevOps teams, and other stakeholders.
- Participate in code reviews, technical discussions, and architectural decisions.
- Optimize application performance, scalability, and reliability.
- Follow Agile development practices and contribute to continuous improvement.
Required Skills:
- 5+ years of professional experience in Python development.
- Strong proficiency in Python and object-oriented programming.
- Hands-on experience developing REST APIs.
- Strong experience with FastAPI.
- Good understanding of API design principles, HTTP methods, status codes, authentication, and error handling.
- Hands-on experience with Docker and containerized application deployment.
- Good understanding of microservices and backend architecture.
- Experience with debugging, testing, performance optimization, and version control.
- Strong problem-solving and analytical skills.
Good to Have:
- Experience with asynchronous programming in Python.
- Familiarity with databases such as PostgreSQL, MySQL, or MongoDB.
- Experience with Git and CI/CD pipelines.
- Exposure to cloud platforms such as AWS, Azure, or GCP.
- Familiarity with Kubernetes and cloud-native application deployment.
- Experience with API documentation tools such as Swagger/OpenAPI.
Skills
Python, FastAPI, Django, Flask, Cloud, OOPS, REST API