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How would you design a high-scale system using Python and MongoDB that handles millions of requests per day?

How do you handle data consistency and concurrency in a distributed Python application using MongoDB?

Describe a performance bottleneck you encountered in a Python + MongoDB system and how you resolved it.

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I am a tech enthusiast and work as support associate.

Senior Python Developer (MongoDB Expert)We are seeking a highly experienced Senior Python Developer with deep expertise in MongoDB to design, build, and scale robust backend systems. You will play a critical role in architecting high-performance data-driven applications, optimizing database structures, and leading engineering best practices. This role requires strong problem-solving ability, ownership mindset, and experience working in scalable, production-grade environments.Key Responsibilities<ul><li>Design and develop scalable backend systems using Python</li><li>Architect and optimize MongoDB schemas, queries, and indexing strategies</li><li>Build and maintain RESTful APIs and microservices</li><li>Ensure high performance, reliability, and security of applications</li><li>Collaborate with cross-functional teams to define and implement solutions</li><li>Lead code reviews, mentor junior developers, and enforce best practices</li><li>Identify bottlenecks and proactively improve system efficiency</li></ul>Required Skills &amp; Experience<ul><li>5+ years of experience in Python development</li><li>Strong hands-on expertise with MongoDB (aggregation, indexing, performance tuning)</li><li>Experience with frameworks such as FastAPI, Django, or Flask</li><li>Solid understanding of system design, data modeling, and distributed systems</li><li>Experience with cloud platforms (AWS, GCP, or Azure)</li><li>Familiarity with Docker, CI/CD pipelines, and scalable architectures</li><li>Strong debugging, optimization, and analytical skills</li></ul>Nice to Have<ul><li>Experience with asynchronous programming (e.g., asyncio)</li><li>Knowledge of message queues (Kafka, RabbitMQ)</li><li>Exposure to data pipelines or ETL systems</li></ul>What We Offer<ul><li>Opportunity to work on high-impact, scalable systems</li><li>Collaborative and engineering-driven culture</li><li>Competitive compensation and growth opportunities</li></ul>This role is ideal for someone who thrives on solving complex backend challenges and building systems that scale efficiently.

Senior Software Developer