Senior Python Developer

Placenet Consultants; Chennai; In loco; INR 2.400.000 - 4.200.000; Tempo pieno

Descrizione del lavoro

Placenet Consultants seeks an experienced Senior Python Backend Developer to own end-to-end backend modules. You will craft scalable RESTful APIs and microservices using FastAPI, Django, or Flask, and collaborate across teams to translate business requirements into robust technical solutions.

You will work with modern tooling (Python, SQL, Git) and contribute to SDLC documentation, testing, and production support while guiding junior developers toward coding excellence.

Competenze

• 10+ years of experience in Python application development and backend engineering.
• Strong hands-on experience with Python web frameworks (FastAPI, Django, Flask).
• Proven ability to design RESTful APIs and microservices with scalability in mind.
• Experience with ORMs (SQLAlchemy/Django ORM) and relational databases.
• Knowledge of authentication (OAuth2, JWT) and API documentation (Swagger/OpenAPI).

Mansioni

• Take end-to-end ownership of assigned backend applications, modules, and technical deliverables.
• Write clean, maintainable, scalable, high-performance code using Python.
• Develop web applications, RESTful APIs, and microservices with FastAPI, Django, or Flask.
• Understand existing product architecture, requirements, workflows, and designs.
• Translate requirements into technical solutions and scalable designs.
• Participate in architecture discussions and provide recommendations on scalability, security, and performance.
• Follow best practices including Python, SQL, Git, REST APIs, and SDLC guidelines.
• Develop and maintain technical documentation throughout SDLC.
• Prepare and maintain Python applications, resolve defects and performance issues.
• Develop unit/integration tests and automated test cases for quality.
• Identify improvement opportunities and prepare implementation plans.
• Collaborate with Product Owners, QA, DevOps, UI developers to deliver features.
• Mentor junior/mid developers on coding standards and debugging.
• Conduct code reviews and provide constructive feedback.
• Provide production support and monitor application health.
• Evaluate new technologies and propose suitable improvements.

Conoscenze

Python

FastAPI

Django

Flask

REST APIs

Microservices

SQL

OAuth2/JWT

Swagger/OpenAPI

PyTest

Formazione

Bachelor's degree in Computer Science

Strumenti

Docker

Azure DevOps

Kubernetes

SQLAlchemy

Descrizione del lavoro

Role & responsibilities

• Take end-to-end ownership of assigned backend applications, modules, and technical deliverables.
  
• Write clean, maintainable, scalable, and high-performance code using Python.
  
• Develop web applications, RESTful APIs, and microservices using frameworks such as FastAPI, Django, or Flask.
  
• Quickly understand existing product architecture, business requirements, application workflows, technical designs, and development practices.
  
• Analyse business and functional requirements and translate them into appropriate technical solutions.
  
• Design and develop technical interfaces, application architecture, API specifications, and software components.
  
• Participate actively in architecture and technical design discussions and provide recommendations based on scalability, maintainability, security, and performance.
  
• Utilize established development tools, guidelines, and best practices including Python, SQL, Git, REST APIs, and modern software development practices.
  
• Develop and maintain technical documentation throughout the Software Development Life Cycle (SDLC).
  
• Prepare and maintain Python applications while resolving application defects, performance issues, and production problems.
  
• Develop unit tests, integration tests, and automated test cases to ensure application quality and reliability.
  
• Enhance existing applications by analysing business objectives, identifying areas for improvement, and preparing implementation plans.
  
• Identify technical risks, dependencies, and potential issues early and take appropriate corrective actions.
  
• Take responsibility for delivering assigned features and enhancements with minimal supervision.
  
• Work closely with Product Owners, Business Analysts, QA Engineers, DevOps Engineers, UI Developers, and other stakeholders to deliver product features successfully.
  
• Guide and mentor junior and mid-level developers on technical implementation, coding standards, debugging, and best practices.
  
• Conduct code reviews and provide constructive technical feedback to ensure code quality and consistency.
  
• Help the team resolve complex technical issues and provide technical direction when required.
  
• Monitor application health and provide production support when required.
  
• Investigate and evaluate new technologies and recommend suitable solutions that can improve product capabilities, development efficiency, performance, or maintainability.

Preferred candidate profile

• 10+ years of experience in Python application development.
  
• Proven experience as a Senior Python Developer, Senior Back-end Developer, or equivalent technical role.
  
• Strong hands-on experience in Python application development and software engineering.
  
• Strong experience with Python web frameworks such as FastAPI, Django, or Flask.
  
• Strong understanding of RESTful API development and Microservices architecture.
  
• Experience with ORM frameworks such as SQLAlchemy or Django ORM.
  
• Good understanding of authentication and authorization mechanisms such as OAuth2, JWT, LDAP, and SSO.
  
• Familiarity with API documentation tools such as Swagger/OpenAPI.
  
• Strong understanding of Object-Oriented Programming, SOLID principles, and common design patterns.
  
• Good understanding of software architecture and ability to translate requirements into scalable technical designs.
  
• Experience working with relational databases and writing efficient SQL queries.
  
• Strong understanding of application performance, scalability, reliability, and security considerations.
  
• Knowledge of unit and integration testing frameworks such as PyTest or UnitTest.
  
• Experience in debugging complex application and production issues.
  
• Ability to quickly understand an existing product, architecture, codebase, and business domain.
  

Preferred Qualifications:

• Bachelors degree in computer science, Engineering, or related field (or equivalent experience)
• Experience with Microsoft Azure and cloud-based application development.
  
• Experience with Azure services such as Azure App Services, Azure Functions, Azure SQL, Azure Storage, Azure Service Bus, Azure Redis Cache, Key Vault, and Application Insights.
  
• Experience with Azure DevOps and CI/CD pipelines.
  
• Experience with Docker and containerized application development