Full Stack Developer – Python/Flask framework

Winzons; India; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

4Bell Technology is hiring a Python Full Stack Developer to design and build scalable web applications and APIs. You will work with frontend teams and DevOps to ensure performance and reliability in a fast-paced environment.

Ideal candidates have 5+ years in backend development, strong Python/Flask skills, and experience with Oracle or PostgreSQL databases. Expect a collaborative team and opportunities to work on cutting-edge tech stacks.

Qualifications

• 5+ years of professional software development focused on backend.
• Strong Python experience with Flask for web apps and APIs.
• Solid frontend basics: JavaScript, HTML5, CSS3, and modern frameworks.
• Experience with Oracle and PostgreSQL, including optimization.
• Familiarity with ORM (SQLAlchemy) and RESTful microservices.

Responsibilities

• Design, develop, and maintain scalable web applications using Python and Flask.
• Build, enhance, and secure RESTful APIs and microservices.
• Write optimized SQL queries for Oracle and PostgreSQL.
• Collaborate with frontend developers for seamless UI/UX integration.
• Ensure scalability, security, caching, and performance tuning.
• Participate in code reviews and enforce coding standards.
• Prepare tests, conduct debugging, and support CI/CD pipelines.
• Deploy applications on cloud and on-premise environments.

Skills

Python

Flask

REST API design

Microservices

Frontend basics (JS/HTML/CSS)

Problem-solving

Education

Bachelor's degree in CS/Engineering or related field

Tools

Docker

Git

SQLAlchemy

Job description

Company Name: 4Bell Technology

Job Role: Python Full Stack Developer

Experience Required: 5-8 Years

Location: Bangalore/Chennai, India

Qualification: Bachelor's Degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Industry: Information Technology / Software Development

Description :

• Design, develop, and maintain scalable, secure, and high-performance web applications using Python and the Flask framework, ensuring clean architecture and modular code structure.
• Build, enhance, and integrate RESTful APIs and microservices, enabling seamless communication between distributed systems and third-party services.
• Write optimized and efficient SQL queries, stored procedures, and database functions for Oracle and PostgreSQL, ensuring high performance, data integrity, and scalability.
• Collaborate closely with front-end developers to design and implement seamless, user-friendly UI/UX workflows, ensuring smooth integration between backend services and client-side applications.
• Ensure application scalability, reliability, performance, and security by implementing best practices such as caching strategies, authentication/authorization mechanisms, and performance tuning.
• Participate actively in code reviews, contributing to continuous improvement by enforcing coding standards, identifying refactoring opportunities, and ensuring maintainable code.
• Perform testing and debugging, including unit testing, integration testing, and troubleshooting production issues to ensure application stability and quality.
• Deploy and manage applications across cloud and on-premise environments, supporting CI/CD pipelines for automated build, test, and deployment processes.
• Work collaboratively with Product Managers, QA engineers, and DevOps teams to deliver high-quality, reliable, and scalable software solutions aligned with business requirements.
• Monitor application health using logging and monitoring tools, proactively identifying and resolving performance bottlenecks and system issues.
• Contribute to architectural decisions and help drive the adoption of modern backend development practices and tools.

Required Skills & Qualifications :

• Bachelors degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
• 5+ years of professional software development experience, with a strong focus on backend development.
• Strong proficiency in Python and hands-on experience with the Flask framework for building web applications and APIs.
• Solid understanding of front-end technologies including JavaScript, HTML5, CSS3, and familiarity with modern frameworks such as React or Angular.
• Extensive experience with Oracle and PostgreSQL databases, including schema design, query optimization, indexing, and performance tuning.
• Familiarity with ORM frameworks such as SQLAlchemy for efficient database interaction and abstraction.
• Strong understanding of REST API design principles and microservices architecture, including service communication and API security.
• Hands-on experience with version control systems (Git), containerization tools (Docker), and CI/CD pipelines for streamlined development and deployment.
• Good understanding of software engineering best practices, including Agile/Scrum methodologies, test-driven development (TDD), and code quality standards.
• Strong problem-solving skills, attention to detail, and the ability to work in a fast-paced, collaborative environment.