Python Full Stack Developer
First seen by Alion on Sep 18, 2026.
Job Title: Python Full Stack Developer
Experience: 10 - 12 Years
Location: PAN India
Key Responsibilities:
Backend Development - Python:
- Strong hands-on experience in Python with advanced knowledge of Python programming concepts.
- Experience in developing and maintaining production-grade Python applications.
- Strong understanding of Object-Oriented Programming (OOP) and modular application design.
- Experience designing scalable, maintainable and reusable Python components.
Flask / FastAPI:
- Strong hands-on experience with Flask or FastAPI.
- Experience designing and developing RESTful APIs.
- Strong understanding of API architecture, request/response handling and API versioning.
- Experience implementing request validation and data validation.
- Experience integrating authentication and authorization mechanisms into APIs.
- Good understanding of background processing and asynchronous job patterns.
- Experience handling API errors and implementing standardized error responses.
- Experience implementing health-check and readiness endpoints.
- Experience building scalable and highly available backend services using Flask/FastAPI.
- Knowledge of API security, authentication tokens and integration with enterprise applications.
Third-Party and Native Library Integration:
- Experience integrating Python applications with third-party SDKs and external libraries.
- Experience working with native libraries or .NET-backed libraries from Python applications.
- Ability to understand and integrate external APIs, SDKs and enterprise platforms.
- Experience handling dependencies, compatibility issues and error scenarios during integrations.
File / Document Processing:
- Strong experience in complex file and document processing using server-side applications.
- Experience handling large files, streams and asynchronous file-processing workflows.
- Ability to design reliable processing mechanisms for long-running and resource-intensive operations.
- Experience with document parsing, transformation, validation or extraction workflows is preferred.
Asynchronous and Long-Running Jobs:
- Strong understanding of asynchronous programming and long-running job patterns.
- Experience designing background workers and asynchronous processing workflows.
- Ability to handle resource-intensive operations without blocking API requests.
- Experience implementing job status tracking, retries, failure handling and monitoring.
- Knowledge of queues, workers and distributed processing patterns will be an added advantage.
Frontend Development - ReactJS:
- Strong hands-on experience with ReactJS for modern web application development.
- Experience developing reusable and responsive UI components.
- Strong understanding of React components, hooks, state management and lifecycle concepts.
- Experience integrating ReactJS applications with Python REST APIs.
- Ability to consume, process and display data from backend APIs.
- Experience with frontend validation, error handling and asynchronous API calls.
- Good understanding of JavaScript/TypeScript, HTML5 and CSS3.
- Experience developing enterprise-level single-page applications using ReactJS.
- Understanding of frontend performance optimization and reusable component architecture.
Azure Cloud:
- Experience working with Microsoft Azure cloud services, including Azure Kubernetes Service (AKS), Azure App Service, Azure Blob Storage, and Azure SQL Database.
- Deployment and hosting of Python-based applications on Azure.
- Experience containerizing applications and deploying them to AKS.
- Understanding of application configuration, secrets and environment management in Azure.
- Experience integrating applications with Azure storage and database services.
- Knowledge of cloud monitoring, logging, scaling and troubleshooting.
- Understanding of highly available and scalable cloud application architecture.
Technical Skills:
- Mandatory: Python (Advanced), Flask or FastAPI (Strong), ReactJS (Strong), Python Full Stack Development (8+ Years), REST API Development, Object-Oriented Programming, Concurrency / Multiprocessing, Asynchronous Programming, File / Stream Processing, Exception Handling & Structured Logging, API Authentication & Authorization, Background Processing, Long-Running Job Patterns, Azure AKS, Azure App Service, Azure Blob Storage, Azure SQL.
Skills
Python, Flask, FastAPI, SQL Server, Multithreading, OOAD, React.js, OOPS, Concurrency Patterns