Senior Python Developer
First seen by Alion on Aug 17, 2026.
Role : Senior Python Developer
Experience : 7 to 9 Years
About the Role :
We are seeking a Senior Python Full Stack Developer with strong expertise in Python-based backend frameworks.
The ideal candidate will be responsible for developing scalable web applications, designing robust backend services, and collaborating with cross-functional teams to deliver high-quality software solutions.
The role requires hands-on development experience, technical problem-solving skills, and the ability to contribute to architectural and design decisions.
Key Responsibilities :
Backend Development :
- Design and develop RESTful APIs using FastAPI, Django, or Flask.
- Implement business logic, data models, and scalable backend services.
- Work with relational and NoSQL databases such as PostgreSQL, MySQL, and MongoDB.
- Implement authentication and authorisation mechanisms using JWT/OAuth2.
- Write secure, maintainable, and high-performance backend code.
General Responsibilities :
- Participate in technical design, architecture discussions, and code reviews.
- Collaborate with product managers, QA teams, and other developers.
- Troubleshoot and resolve issues across the full application stack.
- Mentor junior developers and promote development best practices.
- Contribute to CI/CD processes, application deployments, and technical documentation.
Required Skills & Qualifications :
Backend :
- Strong experience with Python and frameworks such as FastAPI, Django, or Flask.
- Expertise in REST API development and microservices-based architecture.
- Experience with ORM frameworks such as SQLAlchemy or Django ORM.
- Strong knowledge of database design, query optimisation, and data modelling.
Additional Skills :
- Experience with Git and collaborative development workflows.
- Familiarity with CI/CD pipelines and Docker.
- Understanding of cloud platforms such as AWS, Azure, or GCP.
- Excellent problem-solving, communication, and collaboration skills.
Preferred Qualifications :
- Experience with GraphQL and TypeScript.
- Hands-on experience with unit and integration testing using Jest, React Testing Library, and pytest.
- Exposure to Kubernetes, container orchestration, and cloud-native applications.
- Experience working in Agile/Scrum environments.
Education :
- Bachelors degree in computer science, engineering, information technology, or equivalent industry experience.
Skills
Python, Django, Flask, RDBMS, NoSQL, ORM, GraphQL, TypeScript, Microservices Architecture, Backend Architecture