Job Description

Company Description

WNS (Holdings) Limited (NYSE: WNS), is a leading Business Process Management (BPM) company. We combine our deep industry knowledge with technology and analytics expertise to co-create innovative, digital-led transformational solutions with clients across 10 industries. We enable businesses in Travel, Insurance, Banking and Financial Services, Manufacturing, Retail and Consumer Packaged Goods, Shipping and Logistics, Healthcare, and Utilities to re-imagine their digital future and transform their outcomes with operational excellence.We deliver an entire spectrum of BPM services in finance and accounting, procurement, customer interaction services and human resources leveraging collaborative models that are tailored to address the unique business challenges of each client. We co-create and execute the future vision of 400+ clients with the help of our 44,000+ employees.

1. Proficient Python developer (6-8 years) with strong software engineering practices: modular code, exception handling, performance optimization. 2. Hands-on experience with REST API development using Flask, FastAPI , routing, middleware, request/response handling. 3. Strong experience in database development - PostgreSQL, MySQL: schema design, indexing, joins, and performance tuning. 4. Solid background in ETL pipelines - data ingestion, transformation, and export using Pandas, SQLAlchemy, and raw SQL. 6. Proficiency in application deployment - Gunicorn/Nginx stack, Linux server hosting, Bash scripting. 7. Comfortable with cloud storage services - AWS S3 or Azure Blob for file handling, metadata reading, and access control & EC2. 8. Version control using Git - branching, PR workflows, conflict resolution, code review readiness. 9. API testing and debugging - using Postman, Pytest, and logging best practices.

Qualifications

B. Tech or MCA degree or equivalent