Senior Python Developer (Backend)

About the Client

We are hiring on behalf of a leading global product-based technology company that is transforming digital health and wellness through AI-powered solutions. The organization develops scalable, cloud-native platforms and intelligent applications that deliver personalized coaching and data-driven health experiences to users worldwide. This is an excellent opportunity to work on cutting-edge technologies in a collaborative, engineering-first environment with a strong focus on innovation and product excellence.

About the Role

We are looking for a highly skilled Senior Python Developer with strong backend engineering expertise to design and build scalable, high-performance applications. The ideal candidate will have deep experience in Python, API development, database optimization, cloud-native technologies, and distributed systems. You will play a key role in building robust backend services that power next-generation AI-driven products.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Python.
• Build high-performance RESTful APIs using FastAPI or Flask.
• Design efficient, scalable database schemas and optimize database performance.
• Develop thread-safe, concurrent, and high-throughput backend applications.
• Build clean, reusable, and maintainable code following engineering best practices.
• Containerize applications using Docker and deploy them on Kubernetes.
• Develop and maintain API documentation using OpenAPI/Swagger.
• Optimize application performance, scalability, security, and reliability.
• Collaborate with Product, Engineering, and DevOps teams throughout the software development lifecycle.

Required Skills

• 8-12 years of hands-on experience in Python backend development.
• Strong expertise in Python 3.x.
• Extensive experience with FastAPI and/or Flask.
• Strong hands-on experience with SQLAlchemy ORM, session management, and database transactions.
• Solid understanding of multithreading, concurrency, asynchronous programming, and thread-safe application development.
• Strong experience with PostgreSQL and/or MySQL, including database design, indexing, query optimization, and performance tuning.
• Hands-on experience with Docker and Kubernetes.
• Experience deploying and managing applications on Google Cloud Platform (GCP).
• Strong knowledge of REST APIs, OpenAPI, and Swagger.
• Experience with Git, code reviews, unit testing, and software engineering best practices.
• Good understanding of microservices architecture, distributed systems, and scalable application design.

Preferred Skills

• Experience building AI/ML-enabled applications.
• Exposure to Redis, Kafka, RabbitMQ, or similar messaging technologies.
• Experience with CI/CD pipelines and DevOps practices.
• Knowledge of monitoring, logging, and application performance optimization.
• Familiarity with Agile development methodologies.

What We're Looking For

• Strong analytical and problem-solving skills.
• Passion for building scalable, high-quality backend systems.
• Ability to work independently in a fast-paced product environment.
• Excellent communication and collaboration skills.