Python Developer Lead

Mandatory Skills & Requirements:

Python (8+ years)

• Expertise in

  Python core concepts

  , OOP, data structures, and design patterns
• In-depth understanding of

  decorators

  , generators, context managers, etc.

• NumPy & Pandas

• Proficient in

  complex data manipulation

  and transformation
• Experience with performance tuning and vectorized operations
  
• Hands-on experience with large data sets and DataFrame optimization
  

SQL

• Strong command over SQL (preferably PostgreSQL or MySQL)
  
• Ability to write and optimize complex

  joins, subqueries, CTEs

• Scenario-based problem solving

  and writing SQL-based algorithms
• Experience in integrating SQL with Python using ORM or raw queries
  

FastAPI

• Proficient in building and maintaining

  RESTful APIs

  using FastAPI
• Strong knowledge of API versioning, security (OAuth2/JWT), and async operations
  
• Familiarity with Pydantic models and OpenAPI schema generation
  

Multithreading / Concurrency

• Hands-on experience with

  multithreading

  , multiprocessing, and async in Python
• Understanding of GIL, thread safety, and concurrent task optimization
  

Tuples & Pythonic Coding

• Deep understanding of tuples, immutability, and use cases
  
• Writing clean, efficient, and idiomatic Python code
  

Key Responsibilities:

• Lead end-to-end development and deployment of scalable backend systems
  
• Architect, design, and develop modules with performance and scalability in mind
  
• Guide and mentor junior developers through code reviews, pair programming, and knowledge sharing
  
• Collaborate with Product Managers, QA, and DevOps teams to deliver high-quality software
  
• Ensure best practices in software design, development, and deployment
  
• Continuously improve code quality, documentation, and team productivity
  

Good to Have:

• Experience with Docker, Kubernetes, or cloud platforms (AWS/GCP/Azure)
  
• Familiarity with CI/CD pipelines and testing frameworks like PyTest
  
• Exposure to data pipelines or ETL processes