Sr.Backend Python Developer

JobCubby; Pune District; Hybrid; INR 1,200,000 - 2,400,000; Full time

Job summary

JobCubby is seeking a Backend Python Developer in Pune/Bengaluru/Noida for hybrid work. You will design, build, and optimize backend systems powering our platforms, focusing on robust APIs and scalable data stores.

Strong SQL optimization and Azure SQL expertise are essential for high‑performance data access. You will collaborate with product, frontend, data science, and DevOps teams to deliver secure, reliable services and maintainable code with clear documentation.

Qualifications

• Proficient in Python with backend framework experience.
• Experience with Django, Flask, or FastAPI.
• Deep understanding of REST APIs and backend architecture.
• Hands‑on with Azure SQL Database and SQL optimization.
• Familiarity with Git and version control.
• Ability to work in an Agile environment.

Responsibilities

• Design, develop, and maintain backend services and APIs using Python.
• Build scalable, high‑performance systems using Django, Flask, or FastAPI.
• Develop and integrate RESTful APIs and asynchronous services where required.
• Design and optimize database structures in Azure SQL and other relational databases.
• Create and manage Views, Indexes, and Stored Procedures for performance optimization.
• Analyze query execution plans and optimize complex SQL queries for high performance.
• Work with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
• Ensure code quality, performance, security, and scalability.
• Write clean, testable, and maintainable code with proper documentation.
• Collaborate with cross‑functional teams to translate business requirements into technical solutions.
• Debug, troubleshoot, and optimize both application and database performance bottlenecks.
• Participate in code reviews and contribute to engineering best practices.

Skills

Python

Django/Flask/FastAPI

REST APIs

Azure SQL

SQL Performance Tuning

Git

NoSQL databases

Tools

PostgreSQL

MySQL

MongoDB

Docker

CI/CD

Kafka

Job description

JUpdated Job Description: Backend Python Developer

Job Title: Backend Python Developer

Location: Pune, Bengaluru (Hybrid), Noida

Experience: 8–10 years

Employment Type: Full-time

Role Overview

Weare looking for a Backend Python Developer to design, develop, and scale backend systems that power our products and platforms. The role requires strong database engineering expertise, particularly in Azure SQL, with a focus on query performance, optimization, and database design. You will work closely with product managers, frontend engineers, data scientists, and DevOps teams to build reliable, secure, and high-performing APIs and services.

Key Responsibilities

• Design, develop, and maintain backend services and APIs using Python
• Build scalable, high-performance systems using frameworks such as Django, Flask, or FastAPI
• Develop and integrate RESTful APIs and asynchronous services where required
• Design and optimize database structures in Azure SQL and other relational databases
• Create and manage Views, Indexes, and Stored Procedures for performance optimization
• Analyze query execution plans and optimize complex SQL queries for high performance
• Work with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB)
• Ensure code quality, performance, security, and scalability
• Write clean, testable, and maintainable code with proper documentation
• Collaborate with cross-functional teams to translate business requirements into technical solutions
• Debug, troubleshoot, and optimize both application and database performance bottlenecks
• Participate in code reviews and contribute to engineering best practices

Required Skills & Qualifications

• Strong proficiency in Python
• Experience with backend frameworks: Django / Flask / FastAPI
• Solid understanding of REST APIs, HTTP protocols, and backend architecture
• Core Database Expertise (Must-Have)
• Hands-on experience with Azure SQL Database
• Strong proficiency in SQL including: Views
• Indexes (clustered, non-clustered, performance tuning)
• Stored Procedures
• Expertise in Query Optimization: Queryplanning and execution analysis
• Performance tuning using execution plans
• Identifying bottlenecks and optimizing large-scale queries
• Strong experience in designing efficient and scalable database schemas
• Familiarity with Git and version control workflows
• Knowledge of object-oriented design, data structures, and algorithms
• Understanding of authentication, authorization, and security best practices
• Ability to work in an agile, fast-paced environment

Good to Have

• Experience with AWS cloud platform
• Exposure to Docker, containers, and CI/CD pipelines
• Experience with async programming, message queues (Kafka, RabbitMQ), or background workers (Celery)
• Understanding of microservices architecture
• Previous experience in data, AI, or analytics-driven platforms

Hiring Focus (Important Note)

• Strong emphasis will be placed on database‑related problem‑solving during interviews, including:
• SQLqueryoptimization scenarios
• Indexing strategies
• Execution plan analysis
• Real‑world performance tuning use cases