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Senior Python Backend Developer Job Opening In Lucknow – Now Hiring BabyBillion


Job description

About BabyBillion


BabyBillion is one of the fastest-growing kids' content companies in the world.

With over 1 billion monthly views, we are on a mission to become the world’s #1 kids' content channel by December 2025.

We create world-class educational and entertaining videos that captivate preschool audiences globally.

We are looking for a highly creative and data-driven Scriptwriter to join our passionate team and help us scale our storytelling to new heights.


Job Summary

We are seeking an experienced Senior Python Backend Developer to join our team.

In this role, you will be instrumental in designing, building, and scaling our high-performance backend systems.

The ideal candidate has a strong background in creating robust APIs, integrating key services, and architecting solutions for high-traffic applications.

You will take a leading role in enhancing our platform, migrating to a microservices architecture, and mentoring junior developers.


Key Responsibilities


  • Design, develop, and maintain production-grade applications using FastAPI to support over 200 endpoints.

  • Build and secure RESTful APIs with robust versioning, documentation, and authentication mechanisms like JWT and OAuth .

  • Manage and optimize MongoDB databases, including writing complex aggregation pipelines.

  • Implement and manage asynchronous background tasks using Celery with Redis or RabbitMQ .

  • Integrate and maintain payment gateways such as Razorpay and Stripe .

  • Lead architectural improvements, including the migration from a monolithic to a microservices architecture.

  • Develop real-time features using WebSockets and design systems to handle 10,000+ concurrent users.

  • Implement automated testing, performance monitoring (e.g., OpenTelemetry), and system optimizations.

  • Mentor junior developers and contribute to architectural planning and best practices.


Required Skills & Experience


  • 2+ years of professional experience in backend development.

  • Strong proficiency in Python , with expertise in asynchronous programming (async/await).

  • Proven experience building and scaling applications with FastAPI .

  • In-depth knowledge of MongoDB , including query optimization.

  • Solid understanding of authentication, security principles, and implementing JWT/OAuth.

  • Hands-on experience with background task processing using Celery .

  • Excellent problem-solving skills and a passion for writing clean, maintainable code.


Preferred Qualifications


  • Experience with microservices , event-driven architecture, and API gateways.

  • Familiarity with containerization (Docker ) and CI/CD pipelines.

  • Knowledge of cloud platforms like AWS or GCP .

  • Exposure to AI/ML tools (e.g., ONNX Runtime), Kafka , or GraphQL .


Our Tech Stack


  • Language/Framework: Python 3.12+, FastAPI
  • Database: MongoDB (Motor)
  • Task Queues/Brokers: Celery, Redis, RabbitMQ
  • Payments: Razorpay, Stripe
  • AI/ML: ONNX Runtime, Rembg
  • Infrastructure: Docker, Gunicorn, Uvicorn
  • Monitoring: OpenTelemetry, Prometheus
  • Testing: Pytest

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Senior Python Potential: Insight & Career Growth Guide


Real-time Senior Python Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Senior Python in Lucknow, India, highlighting market share and opportunities for professionals in Senior Python roles.

446365 Jobs in India
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3127 Jobs in Lucknow
3127
Download Senior Python Jobs Trends in Lucknow and India

Are You Looking for Senior Python Backend Developer Job?

Great news! is currently hiring and seeking a Senior Python Backend Developer to join their team. Feel free to download the job details.

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at BabyBillion adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying India laws and regulations

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The average salary range for a varies, but the pay scale is rated "Standard" in Lucknow. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

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Key qualifications for Senior Python Backend Developer typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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Interview Tips for Senior Python Backend Developer Job Success

BabyBillion interview tips for Senior Python Backend Developer

Here are some tips to help you prepare for and ace your Senior Python Backend Developer job interview:

Before the Interview:

Research: Learn about the BabyBillion's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

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Final Thought:

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By following these tips, you can increase your chances of making a positive impression and landing the job!

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