Senior Python Developer

Location : Bengaluru, India

Type : Full-time

Experience :4-7 Years

Mode :Hybrid

The Role

We're looking for a Full Stack Engineer who thrives on building high-performance applications at scale. You'll work across our entire stack—from optimizing PostgreSQL queries on 140M+ records to crafting intuitive React interfaces. This is a high-impact role where your code directly influences how sales teams discover and engage with prospects worldwide.

What You'll Do

• Build and optimize REST APIs using Django REST Framework handling millions of records
• Design and implement complex database queries, indexes, and caching strategies for PostgreSQL
• Develop responsive, high-performance front-end interfaces with Next.js and React
• Implement Redis caching layers and optimize query performance for sub-second response times
• Design and implement smart search/filter systems with complex logic
• Collaborate on data pipeline architecture for processing large datasets
• Write clean, testable code with comprehensive unit and integration tests
• Participate in code reviews, architecture discussions, and technical planning

Required Skills

• 4-7 years of professional experience in full stack development
• Strong proficiency in Python and Django/Django REST Framework
• Expert-level PostgreSQL knowledge: query optimization, indexing, EXPLAIN ANALYZE, partitioning
• Solid experience with Next.js, React, and modern JavaScript/TypeScript
• Experience with state management (Zustand, Redux, or similar)
• Working knowledge of Redis for caching and session management
• Familiarity with AWS services (RDS, EC2, S3, CloudFront)
• Understanding of RESTful API design principles and best practices
• Experience with Git, CI/CD pipelines, and agile development workflows

Nice to Have

• Experience with Elasticsearch for full-text search at scale
• Knowledge of data scraping, ETL pipelines, or data enrichment
• Experience with Celery for async task processing
• Familiarity with Tailwind CSS and modern UI/UX practices
• Previous work on B2B SaaS or data-intensive applications
• Understanding of security best practices and anti-scraping measures

Our Tech Stack

Backend

Python, Django REST Framework

Frontend

Next.js, React, Zustand, Tailwind CSS

Database

PostgreSQL 17, Redis

Infrastructure

AWS (RDS, EC2, S3, CloudFront), Docker

Tools

GitHub, pgBouncer

Why Join Us

• Work on a product processing 140M+ records—real scale, real challenges
• Direct impact on product direction and technical decisions
• Modern tech stack with room to experiment and innovate
• Collaborative team environment with a focus on growth
• Competitive compensation and flexible hybrid work model

Key Responsibilities:

• Develop and maintain scalable web applications using Node.js, Express, and React
• Collaborate closely with UI/UX teams and backend developers
• Write clean, maintainable, and efficient code
• Integrate APIs and third-party services
• Utilize Docker and Kubernetes (basic level)
• Participate in code reviews and optimize performance…

Skills

• Strong proficiency in JavaScript/TypeScript, React.js, Node.js, and Express.js
• Good understanding of RESTful APIs and system architecture
• Experience with MongoDB, MySQL, or similar databases
• Familiarity with Docker and basic Kubernetes
• Hands-on with Git/GitHub
• Exposure or experience with Generative AI (GenAI) tools/technologies

Mandatory Skills:

Node.Js, Vue.Js, React.js, Javascript, Typescript

Job Requirements:

Must have and up-to-date knowledge of NodeJS and class-based programming.

Professional experience building single page applications using React, Vue.js.

Must have strong and up-to-date knowledge of JavaScript ES6 and higher.

You can make a solid relational data model and have a deep knowledge of SQL and MySQL.

You have a good understanding of HTTP and know how to make a reliable and modern web API (REST).

Should have worked on at least one large complex web application.

You Should know how to write clean and flexible object-oriented code.

You must have a good understanding of sync programming concepts.

You Should work daily with tools like Git, NPM, Composer and a proper IDE.

You Should able to deliver POCs, experiments and technology evaluations following design thinking practices.

Should have experience in writing clean code and a pragmatic program.

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developer is responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.

Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Responsibilities:

• Development and Integration of user-facing design elements with server-side logic.
• Design and develop backend API services and databases to serve frontend applications.
• Code for multi-platform environments.
• Build reusable code and libraries for future use.
• Ensure responsiveness of applications.
• Optimization of the application for maximum speed and scalability.

Skills and Qualifications:

• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
• Proficient in Angular JS or ReactJS, Node.js and JavaScript.
• Integration of multiple data sources and databases into one system.
• Management of hosting environment, including database administration and scaling an application to support load changes.
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
• Creating database schemas that represent and support business processes in one or more database technologies such as Mongo, MySQL etc.
• Implementing automated testing platforms and unit tests.
• Proficient knowledge of a back-end programming language. (Depending on the specific case, a developer should have the knowledge of one or more of Python, Ruby, JavaScript etc.)
• Proficient understanding of code versioning tools, such as Git.

Academic Qualifications:

• Engineering degree from a reputed institute

We are looking for highly motivated engineers with the following skillset-

• Engineering degree in Computer science or ECE or MCA is a must
• In-depth knowledge of PHP, HTML5, CSS, jQuery, JavaScript, AJAX
• Experience using PHP frameworks such as Laravel, Symfony, Zend, etc. - any 1 is required
• VueJS, AngularJS, ReactJS - knowledge of any 1 is required
• Between 1-5 years of work experience is required
• Very strong data structure and algorithm knowledge
• Ideal candidate would be a very strong developer with great coding skills
• Good English communication skills
• Willingness to work on multiple projects simultaneously
• Ability to work through ambiguous requirements and come up with a clear scope and problem statement
• If you have any live projects portfolio or GitHub handle please share them
• Office is in Fairlie place (Dalhousie), Kolkata 700 001