Python Developer

Select Source International; Pune District, Chennai District, Delhi; Presencial; INR 1.200.000 - 2.400.000; Jornada completa

Descripción de la vacante

Select Source International in Pune is seeking an experienced Senior Python Developer to design, build, and maintain robust, scalable backend services.

You will lead backend development using Django, Flask, or FastAPI, design RESTful and GraphQL APIs, optimize data models, and mentor junior engineers. Collaborative work with frontend, QA, and product teams is essential.

Formación

• 24 years of professional experience in Python development.
• Prior experience as a Python developer is desirable.
• Expertise in at least one Python framework and a working knowledge of front-end technologies.
• Understanding of how Object Relational Mapper libraries function.
• Understanding of front-end programming languages.
• Knowledge and ability to work using server-side templating languages.
• Work on improving the server-side platform and web frameworks.
• Ability to work with Python libraries (Pandas and NumPy).
• 4–8 years of hands‑on experience in Python development.
• Strong understanding of object-oriented and functional programming.
• Extensive experience with Django, Flask, or FastAPI.
• Solid experience building and consuming REST APIs / Microservices.
• Strong knowledge of SQL databases (PostgreSQL, MySQL).
• Experience with ORMs (Django ORM, SQLAlchemy).
• Proficiency with Git and collaborative development workflows.
• Experience with unit testing, integration testing, and test automation.
• Strong problem‑solving, debugging, and analytical skills.
• Excellent communication and leadership abilities.

Responsabilidades

• Design, develop, and maintain scalable Python applications.
• Write clean, efficient, and well-documented code.
• Debug, test, and optimize existing applications.
• Work with databases to design schemas and write optimized queries.
• Collaborate with frontend developers, QA, and product teams.
• Participate in code reviews and follow best coding practices.
• Design, develop, and maintain scalable Python applications and services.
• Lead backend development using frameworks such as Django / Flask / FastAPI.
• Architect and implement RESTful and/or GraphQL APIs.
• Ensure high performance, security, and reliability of applications.
• Optimize database queries and data models for performance and scalability.
• Collaborate with frontend, DevOps, QA, and product teams.
• Conduct code reviews and enforce engineering best practices.
• Mentor junior and mid-level developers.
• Participate in system design, technical discussions, and architecture planning.
• Troubleshoot complex production issues and perform root cause analysis.
• Contribute to CI/CD pipelines and deployment strategies.

Conocimientos

Python development

Backend frameworks

REST APIs / Microservices

Git

Problem-solving

Leadership

Communication

Testing / QA

Mentoring

Herramientas

Django

Flask

FastAPI

Descripción del empleo

Job Summary

We are looking for an experienced Senior Python Developer to design, develop, and maintain robust, scalable, and high-performance applications. The ideal candidate will have strong expertise in Python, backend frameworks, and system architecture, and will play a key role in technical decision-making, mentoring junior developers, and delivering high-quality solutions.

Key Responsibilities

• Design, develop, and maintain scalable Python applications
• Write clean, efficient, and well-documented code
• Debug, test, and optimize existing applications
• Work with databases to design schemas and write optimized queries
• Collaborate with frontend developers, QA, and product teams
• Participate in code reviews and follow best coding practices
• Design, develop, and maintain scalable Python applications and services
• Lead backend development using frameworks such as Django / Flask / FastAPI
• Architect and implement RESTful and/or GraphQL APIs
• Ensure high performance, security, and reliability of applications
• Optimize database queries and data models for performance and scalability
• Collaborate with frontend, DevOps, QA, and product teams
• Conduct code reviews and enforce engineering best practices
• Mentor junior and mid-level developers
• Participate in system design, technical discussions, and architecture planning
• Troubleshoot complex production issues and perform root cause analysis
• Contribute to CI/CD pipelines and deployment strategies

Required Skills & Qualifications

• 24 years of professional experience in Python development
• Prior experience as a Python developer is desirable
• Expertise in at least one Python framework and a working knowledge of front-end technologies
• Understanding of how Object Relational Mapper libraries function
• Understanding of front-end programming languages
• Knowledge and ability to work using server-side templating languages
• Work on improving the server-side platform and web frameworks
• Ability to work with Python libraries(Pandas and Numpy)
• 4–8 years of hands‑on experience in Python development
• Strong understanding of object-oriented and functional programming
• Extensive experience with Django, Flask, or FastAPI
• Solid experience building and consuming REST APIs / Microservices
• Strong knowledge of SQL databases (PostgreSQL, MySQL)
• Experience with ORMs (Django ORM, SQLAlchemy)
• Proficiency with Git and collaborative development workflows
• Experience with unit testing, integration testing, and test automation
• Strong problem‑solving, debugging, and analytical skills
• Excellent communication and leadership abilities

Preferred (Nice to Have)

• Experience with Cloud platforms (AWS, Azure, or GCP)
• Exposure to Docker, Kubernetes, and containerized deployments
• Knowledge of CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI)
• Experience with NoSQL databases (MongoDB, Redis)
• Familiarity with message queues (Kafka, RabbitMQ, AWS SQS)
• Understanding of microservices architecture and distributed systems
• Exposure to security best practices and performance optimization