Senior Python Developer
- Apptium Technologies
- 6 - 10 years
- Chennai
- 8 days ago
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Job Description
Python Developer JD
We are looking for a Senior Python Developer with 8+ years of experience to design and develop a complex software systems and applications. Collaborate with a dynamic, cross-functional team to create high-performance, scalable, and secure software. This is the opportunity to influence the direction of technology decisions while mentoring junior developers and sharing expertise in Python development.
Responsibilities:
- Design, develop, and maintain scalable and high-performance Python applications.
- Write clean, reusable, and efficient Python code.
- Develop RESTful APIs using Django, Flask, or FastAPI.
- Implement authentication and authorization mechanisms (JWT, OAuth).
- Design and optimize database models using PostgreSQL, MySQL, or MongoDB.
- Perform query optimization, indexing, and bulk data processing.
- Manage data migrations using Django ORM or SQL Alchemy.
- Work with cross-functional teams (frontend, DevOps, product managers).
- Document code, API endpoints, and system architecture.
- Follow best practices for secure coding and data protection.
- Implement error handling, logging, and debugging strategies.
- Write unit tests and integration tests using pytest/unittest.
- Implement ETL pipelines for data ingestion and transformation.
- Integrate applications with cloud services like AWS, Google Cloud, or Azure etc.
Job Requirements:
- Hands-on experience with Django, Flask, FastAPI for building scalable web applications.
- Expertise in Celery with Redis/RabbitMQ, managing background tasks, and scheduling with Celery Beat/Cron Jobs.
- Experience in Headless API development, authentication (JWT, OAuth), and API security best practices.
- Efficient handling of large CSV, JSON, XML, Excel files.
- Strong Knowledge in Optimized Data Structures & Algorithms (DSA) for bulk data processing.
- Strong experience with Django ORM, SQLAlchemy.
- Writing efficient Native SQL Queries for complex data retrieval and optimization.
- Expertise in Redis, Memcached for API performance improvement and caching techniques.
- Experience with Pytest, Unittest for unit and integration testing.
- API testing with Postman and performance monitoring.
- Strong hands-on experience with Pandas, NumPy for data transformation, aggregation.
- Experience with Docker, Kubernetes, GitHub Actions, Jenkins for automated deployments and scalable infrastructure.
- Understanding of Pythons threading restrictions and multi-process architecture.
- Implement security best practices such as data encryption, secure authentication, and protection against common vulnerabilities.
- Conduct code reviews to ensure high code quality, maintainability, and adherence to coding standards.
Role & responsibilities
Preferred candidate profile
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: Engineering - Software & QARole Category: Software DevelopmentRole: Back End DeveloperEmployement Type: Full timeContact Details:
Company: Apptium TechnologiesLocation(s): Chennai
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Apptium Technologies India Pvt Ltd Apptium is a leading Information Technology Solutions company serving clients globally. We are experts in delivering business-driven technology solutions. We help our clients gain competitive advantage by using Internet-based technologies to make their business...
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