Senior Python Backend Developer

V2 Solutions; Dadri; On-site; INR 1,800,000 - 2,600,000; Full time

Job summary

V2 Solutions in India is seeking a Senior Python Backend Developer with strong FastAPI expertise to design scalable, high-performance backend systems and APIs. You will work on cloud-based architectures, handle large datasets, and focus on performance, scalability, and security.

You will design RESTful APIs, lead backend service design, optimize database schemas (MySQL), implement authentication and authorization, and collaborate with cross-functional teams to deliver robust, end-to-end

Qualifications

• 7+ years of experience in Python backend development.
• Strong hands-on experience with FastAPI (must-have).
• Experience in designing and building RESTful APIs.
• Good understanding of: Backend system design, Performance optimization, Database concepts (MySQL/SQL), Knowledge of API security practices (JWT, OAuth, validation, etc.), Familiarity with cloud platforms (Azure preferred).

Responsibilities

• Design and develop high-performance RESTful APIs using FastAPI.
• Build scalable backend systems using microservices architecture.
• Implement authentication, authorization, and request validation.
• Ensure code quality, maintainability, and best engineering practices.
• Performance & Scalability.
• Optimize APIs for low latency, high throughput, and reliability.
• Handle large volumes of concurrent requests.
• Identify and resolve performance bottlenecks.
• Data & Database Management.
• Work with large datasets (structured & semi-structured).
• Design and optimize MySQL database schemas.
• Improve query performance using indexing and optimization techniques.
• Cloud & DevOps (Azure Good to Have).
• Work with cloud environments such as Azure (preferred) or AWS.
• Exposure to services like: Azure App Service / Functions, Azure Storage, Cloud-based database systems.
• Familiarity with CI/CD pipelines and deployments.
• Collaboration & Ownership.
• Participate in architecture discussions and system design.
• Perform code reviews and mentor junior engineers.
• Collaborate with cross-functional teams to deliver end-to-end solutions.

Skills

Python

Backend development

FastAPI

RESTful APIs

Performance optimization

Azure

Tools

MySQL

Azure App Service / Functions

Azure Storage

CI/CD pipelines

Job description

We are looking for a Senior Python Backend Developer with strong experience in FastAPI to design and build scalable, high-performance backend systems. This role involves working on modern cloud-based architectures , handling large datasets , and developing robust APIs with a strong focus on performance, scalability, and security.

Key Responsibilities

• Design and develop high-performance RESTful APIs using FastAPI
• Build scalable backend systems using microservices architecture
• Implement authentication, authorization, and request validation
• Ensure code quality, maintainability, and best engineering practices
• Performance & Scalability
• Optimize APIs for low latency, high throughput, and reliability
• Handle large volumes of concurrent requests
• Identify and resolve performance bottlenecks
• Data & Database Management
• Work with large datasets (structured & semi-structured)
• Design and optimize MySQL database schemas
• Improve query performance using indexing and optimization techniques
• Cloud & DevOps (Azure Good to Have)
• Work with cloud environments such as Azure (preferred) or AWS
• Exposure to services like: Azure App Service / Functions
• Azure Storage
• Cloud-based database systems
• Familiarity with CI/CD pipelines and deployments
• Collaboration & Ownership
• Participate in architecture discussions and system design
• Perform code reviews and mentor junior engineers
• Collaborate with cross-functional teams to deliver end-to-end solutions

Key Requirements

• 7+ years of experience in Python backend development
• Strong hands-on experience with FastAPI (must-have)
• Experience in designing and building RESTful APIs
• Good understanding of: Backend system design Performance optimization Database concepts (MySQL/SQL) Knowledge of API security practices (JWT, OAuth, validation, etc.) Familiarity with cloud platforms (Azure preferred)