Python-based backend developer

Pure Billion Technologies; Mumbai; On-site; INR 111,600 - 167,400; Full time

Benefits offered by this job

Competitive salary package

Opportunities for career growth

Collaborative team environment

Access to cutting-edge technologies

Job summary

A technology company in Mumbai is seeking an experienced Senior Backend Developer with a strong background in Python and web frameworks like Django REST Framework and FastAPI. The role involves developing robust APIs, designing scalable microservices, and collaborating with cross-functional teams. Candidates should have over 4 years of backend development experience and knowledge of cloud services like Azure. The company offers a competitive salary and opportunities for career growth.

Qualifications

• 4+ years of backend development experience, primarily in web applications.
• Strong expertise in Python and web frameworks like Django REST Framework or FastAPI.
• Experience with OAuth2 authentication and secure coding practices.
• Familiarity with CI/CD pipelines and version control using Git.

Responsibilities

• Develop and maintain backend services and APIs using Python and related frameworks.
• Design and implement secure, scalable microservices architecture.
• Collaborate with cross-functional teams to deliver user-centric solutions.
• Optimize performance, scalability, and reliability of backend applications.

Skills

Python

Django REST Framework

FastAPI

SQLAlchemy

PostgreSQL

Azure Cloud services

CI/CD pipelines

Automated testing

Microservices architecture

Job description

We are looking for an experienced Senior Backend Developer to join our development team. The ideal candidate will have a strong background in Python-based backend development with experience in building scalable, reliable, and secure web applications. You will be responsible for building robust APIs, designing microservices, and collaborating closely with cross-functional teams to drive technical projects forward.

Key Responsibilities:

• Develop and maintain high-performance backend services and APIs using Python, Django REST Framework, and FastAPI.
• Design, implement, and maintain secure and scalable microservices architecture.
• Collaborate with frontend developers, product managers, and designers to deliver high-quality, user-centric solutions.
• Ensure optimal performance, scalability, and reliability of backend applications.
• Implement secure coding practices, including input validation, encryption, and prevention of vulnerabilities.
• Work with SQLAlchemy and PostgreSQL for database design, implementation, and optimization.
• Utilize Azure Cloud services (App Services, Functions, Blob Storage, Key Vault, AKS, Container Apps) to manage cloud infrastructure and deploy applications.
• Write unit tests using pytest to ensure code quality and stability.
• Continuously improve the codebase through code reviews, automated testing, and refactoring.
• Mentor junior developers and contribute to the team’s growth.

Skills & Requirements:

• 4+ years of backend development experience, with a focus on web applications.
• Strong expertise in Python and web frameworks like Django REST Framework or FastAPI.
• In-depth knowledge of SQLAlchemy, Alembic, and database optimization techniques (preferably PostgreSQL).
• Experience with designing and implementing microservices architectures.
• Experience with OAuth2 authentication and authorization protocols.
• Solid understanding of secure coding practices, including preventing common security vulnerabilities.
• 2+ years of hands‑on experience with Django REST Framework and/or FastAPI.
• 4+ years of experience using SQLAlchemy and Alembic for database schema migrations and management.
• Experience with Azure Cloud services (App Service, Functions, Blob Storage, Key Vault, AKS, Container Apps).
• Familiarity with CI/CD pipelines, version control using Git (GitHub or Azure DevOps).
• Solid experience with automated testing frameworks such as pytest.
• Strong communication skills and the ability to work independently in a remote‑first environment.

Preferred Qualifications:

• Experience in containerization and orchestration (e.g., Docker, Kubernetes).
• Familiarity with GraphQL or similar API query languages.
• Knowledge of DevOps practices (e.g., deployment automation, monitoring, logging).
• Experience in designing cloud‑native applications and microservices architecture.

What We Offer:

• A competitive salary package.
• Opportunities for career growth and development.
• A supportive and collaborative team environment.
• Access to cutting‑edge technologies and tools.