Senior Python Developer
First seen by Alion on Sep 2, 2026.
About the Role :
We are looking for a Senior Python Developer who is passionate about building high-performance applications and eager to take on challenges. This role requires expertise in Python frameworks, cloud platforms, and scalable architectures.
Responsibilities :
- Collaborate with clients and project teams to understand business requirements and develop efficient, high-quality code.
- Optimize application performance for smooth operation on multiple delivery platforms, including cloud environments like AWS, Azure, or GCP.
- Design and implement low-latency, high-availability, and performant applications using frameworks such as Django, Flask, or FastAPI.
- Lead the integration of user interface elements with server-side logic.
- Integrate multiple data sources and databases, ensuring proper integration of data storage and third-party libraries.
- Create scalable and optimized database schemas and handle large volumes of data.
- Conduct thorough testing using pytest and unittest, and perform debugging to ensure applications are bug-free.
- Provide mentorship and guidance to junior developers on the team.
- Communicate effectively with clients to understand their needs and provide updates on project progress.
Tech Stack & Qualifications :
- 4+ years of experience as a Python developer with strong client communication skills and team-leading experience.
- In-depth knowledge of Python frameworks: Django, Flask, or FastAPI.
- Strong knowledge of cloud technologies: AWS, Azure, or GCP.
- Experience with AI-powered tools like GitHub Copilot and Claude Code.
- Deep understanding of microservices, multi-tenant architecture, and best practices in Python.
- Familiarity with serverless architecture (AWS Lambda, Azure Functions).
- Experience with deployment using Docker, Nginx, Gunicorn, Uvicorn, Supervisor.
- Hands-on experience with SQL and NoSQL databases (PostgreSQL, AWS DynamoDB).
- Understanding of ORMs (SQLAlchemy, Django ORM).
- Experience with frontend technologies (React, Vue, HTML, CSS, JS).
- Familiarity with container orchestration (Kubernetes) and CI/CD pipelines (Jenkins, GitLab CI, CircleCI).
- Experience with Agile and Scrum methodologies.
- Understanding of data processing frameworks like Apache Kafka or Spark is a plus.
Skills
Python, Django, Flask, FastAPI, AWS, Azure, Google Cloud Platform