Job description: Experience: 5 – 10 years Employment: Full-time Location: Chennai Interview mode: Virtual / Face to Face (3 rounds) Education: Any Degree About the Role: We are looking for a Python Developer someone who is passionate about writing clean, high-performance code and is excited by data-driven applications. The ideal candidate will bring strong expertise in Python, Python 3.12 and modern data processing libraries, API, Numpy and Pandas, SQL, with a proven track record of building and scaling backend systems. This role is perfect for someone who is proactive, quick to learn, and thrives in a fast-paced environment. Key Responsibilities: • Design, develop, and maintain backend systems and APIs using Python and FastAPI. • Work with data-centric libraries like pandas, polars, and numpy to build scalable data pipelines and services. • Implement and manage asynchronous task scheduling using FastAPI schedulers or similar tools. • Contribute to architectural decisions and mentor junior developers. • Participate in code reviews, testing, and good at troubleshooting. • Work closely with data teams and business stakeholders to understand requirements and deliver effective solutions. • Continuously learn and adapt to new technologies and best practices. Must-Have Qualifications: • 5-8 years of professional experience with Python. • Proficient in pandas, polars, and numpy. • Strong experience building APIs with FastAPI or similar frameworks. • Hands-on experience with task scheduling and background job management. • Excellent problem-solving and communication skills. • A passion for learning and the ability to pick up new technologies quickly. Good to Have: • Excellent English communication (Written and oral) • Experience with C# in enterprise environments. • Strong knowledge of SQL and experience with relational databases (e.g., PostgreSQL, SQL Server). • Familiarity with Docker, data versioning, job orchestration tools, or cloud platforms