Senior Python Developer (Backend)

BuildxPartners; Hyderabad; On-site; INR 3,000,000 - 5,400,000; Full time

Job summary

BuildxPartners in Hyderabad, India, is seeking a Senior Python Developer to design and build scalable backend services powering AI-driven health tech products. You will craft robust Python code, create RESTful APIs with FastAPI or Flask, and optimize database schemas for peak performance.

You will containerize apps with Docker, deploy on Kubernetes, document APIs with OpenAPI/Swagger, and collaborate with Product, Engineering, and DevOps teams to deliver reliable, high-quality software at scale.

Qualifications

• 8–12 years of hands-on experience in Python backend development.
• Strong expertise in Python 3.x and backend frameworks (FastAPI/Flask).
• Extensive experience with SQLAlchemy ORM, DB design, indexing, and optimization.
• Proficient with Docker and Kubernetes for containerized apps.
• Knowledge of GCP or similar cloud platforms and REST APIs design.

Responsibilities

• Design, develop, and maintain scalable backend applications using Python.
• Build high-performance RESTful APIs with FastAPI or Flask.
• Design efficient database schemas and optimize performance.
• Develop thread-safe, concurrent, high-throughput services.
• Follow engineering best practices and maintainable code structure.
• Containerize apps with Docker and deploy on Kubernetes.
• Document APIs using OpenAPI/Swagger and ensure security and reliability.
• Collaborate with Product, Engineering, and DevOps teams throughout lifecycle.

Skills

Python

Backend development

REST APIs

FastAPI

Flask

PostgreSQL

MySQL

Docker

Kubernetes

OpenAPI/Swagger

Git

Multithreading

Distributed systems

Cloud (GCP)

Tools

Docker

Kubernetes

Git

OpenAPI/Swagger

Job description

Seri Lingampally, India | Posted on 10/07/2026

BuildxPartners is a global talent solutions firm delivering end-to-end recruitment and workforce solutions across industries and geographies.

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Job Description

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.