Senior Python Backend Developer

5 days ago

bangalore, India BabyBillion Full time

About BabyBillionBabyBillion 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 SummaryWe 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 ResponsibilitiesDesign, 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 & Experience2+ 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 QualificationsExperience 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 StackLanguage/Framework: Python 3.12+, FastAPIDatabase: MongoDB (Motor)Task Queues/Brokers: Celery, Redis, RabbitMQPayments: Razorpay, StripeAI/ML: ONNX Runtime, RembgInfrastructure: Docker, Gunicorn, UvicornMonitoring: OpenTelemetry, PrometheusTesting: Pytest

  • Backend Developer Python

    2 weeks ago

    Bangalore, India Elife Transfer Full time

    A fast-growing start-up headquartered in San Francisco, CA, USA in the heart of Silicon Valley. We recruit worldwide as our customer base is global. All employees outside San Francisco headquarter work remotely. Elife is a Startup developing innovative technology in the passenger transport industry, providing any type of ground transportation worldwide,...

  • Java software engineer

    2 weeks ago

    Bangalore, India Java Backend Developer Full time

    We are seeking an experienced Java Backend Developer (6+ years) to design and develop high-performance, scalable backend systems. The ideal candidate will have deep expertise in Java 8+, strong fundamentals in OOP, design patterns, data structures, and algorithms, as well as proven experience in integration tools and databases (My SQL or No SQL).

  • Senior Python Backend Developer

    4 days ago

    bangalore, India BabyBillion Full time

    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...

  • Python Backend Developer

    2 weeks ago

    bangalore, India Tredence Inc. Full time

    Backend Python Developer3-5yrsLocation: Bangalore/ Chennai/ Pune/ Gurgaon/ KolkataRole: Backend Python DeveloperWe are looking for a skilled and experienced Backend Python Developer with 3-4 years of hands-on experience in backend development, particularly with FastAPI. You will play a key role in designing, developing, and maintaining robust and scalable...

  • Python backend developer

    2 weeks ago

    Bangalore, India Tredence Inc. Full time

    Backend Python Developer 3-5yrs Location: Bangalore/ Chennai/ Pune/ Gurgaon/ Kolkata Role: Backend Python Developer We are looking for a skilled and experienced Backend Python Developer with 3-4 years of hands-on experience in backend development, particularly with Fast API. You will play a key role in designing, developing, and maintaining robust and...

  • Python backend developer

    1 week ago

    Bangalore, India Tredence Inc. Full time

    Backend Python Developer 3-5yrs Location: Bangalore/ Chennai/ Pune/ Gurgaon/ Kolkata Role: Backend Python Developer We are looking for a skilled and experienced Backend Python Developer with 3-4 years of hands-on experience in backend development, particularly with Fast API. You will play a key role in designing, developing, and maintaining robust and...

  • Python - Backend Developer

    1 week ago

    bangalore, India Vola Finance Full time

    Python - Backend developer Work experience - 4 to 6 years Domain - Backend development, Python We are seeking a skilled Python Backend Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be on developing server-side logic to ensure high performance and responsiveness to requests from the front...

  • Senior Python Backend Developer

    5 days ago

    bangalore district, India BabyBillion Full time

    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...

  • Python - Backend Developer

    7 days ago

    bangalore, India Vola Finance Full time

    Python - Backend developerWork experience - 4 to 6 yearsDomain - Backend development, PythonWe are seeking a skilled Python Backend Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be on developing server-side logic to ensure high performance and responsiveness to requests from the front...

  • Senior Backend Engineer

    4 weeks ago

    Bangalore, India DIMAAG Full time

    Role Summary We are looking for a skilled Senior Backend Engineer with 3–8 years of professional experience in developing scalable web applications and backend services. The ideal candidate will have strong expertise in FastAPI, along with experience in database design, CI/CD, and cloud environments. Roles & Responsibilities - Design, develop, and...