Python Developer job opportunity at Weekday AI.



Date2026-01-24T11:09:13.855Z bot
Weekday AI Python Developer
Experience: 5-years
Pattern: Full-time
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loacation Bengaluru, India
loacation Bengaluru....India

This role is for one of the Weekday's clients Min Experience: 5 years Location: Bengaluru JobType: full-time As a Python Data Engineer / Backend Engineer, you will be responsible for designing efficient data workflows that process large volumes of data stored in cloud environments. The role involves working extensively with AWS services such as S3, Lambda, and RDS, while applying Python techniques like async programming, multithreading, and multiprocessing to solve performance bottlenecks. You will also contribute to building reliable APIs, implementing caching strategies, and ensuring data quality through validation and error handling. This role assesses not just implementation skills, but also architectural thinking and the ability to evaluate and improve existing code. Key Responsibilities Design memory-efficient and high-performance data processing solutions for large datasets (1GB+ CSV and similar files) using Python Build cloud-native data pipelines that read and write data from  AWS S3  using  AWS Lambda Implement data validation and cleansing logic to ensure accuracy and consistency Develop scalable ETL workflows to extract data from S3, transform it based on business logic, and load it into  RDS Optimize API data fetching by implementing concurrent and asynchronous processing using  async/await Design and implement caching mechanisms for cloud-based database-backed APIs to improve response times and reduce load Decide and implement appropriate concurrency models using  multithreading or multiprocessing  based on workload characteristics Identify performance bottlenecks and recommend architectural or code-level improvements Review Python code to identify errors, inefficiencies, and missing best practices Apply logging, exception handling, and monitoring best practices for production-grade systems Ensure solutions are scalable, cost-effective, and aligned with cloud-native design principles What Makes You a Great Fit Strong experience in  Python  for backend or data engineering use cases Hands-on experience with  AWS Lambda ,  S3 , and  RDS Solid understanding of  ETL concepts  and data pipeline design Experience implementing  async programming  and concurrent API handling Ability to reason about performance trade-offs between multithreading and multiprocessing Familiarity with caching strategies for APIs and cloud databases Strong understanding of memory management and efficient file processing Ability to review existing Python code and identify bugs, anti-patterns, and missing best practices Knowledge of cloud scalability, cost optimization, and serverless architectures Strong problem-solving skills with an architectural mindset Clear communication skills to explain technical decisions and improvements

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