Full Stack Developer jobs in Kolkata, West Bengal

Roles & Responsibilities

• 1. Backend Development

• • Design, develop, and maintain scalable backend systems using one or more of:
  • • MERN (MongoDB, Express.js/ NestJS/Fastify etc, React, Node.js), or
    • Python (Django / Flask / FastAPI), or
    • Java (Spring Boot), or
    • .NET (ASP.NET Core), or
    • PHP (Laravel or similar)
  • Develop secure RESTful APIs and microservices.
  • Implement authentication & authorization (JWT, OAuth, etc.).
  • Optimize system performance and scalability.
  • Ensure secure coding and compliance with best practices.

• 2. Frontend Development

• • Develop responsive, modern UI using:
  • • HTML5
    • CSS3
    • Bootstrap
    • React.js
    • Next.js
  • Write clean and scalable JavaScript (ES6+) and TypeScript.
  • Implement API integrations and state management.
  • Ensure mobile-first design and cross-browser compatibility.
  • Optimize frontend performance and SEO where applicable.

• 3. Generative AI & AI-Assisted Development

• AI Integration

• • Integrate Large Language Model (LLM) APIs into applications.
  • Build AI-powered features such as:
  • • Intelligent chat systems
    • Content generation engines
    • AI summarization modules
    • Automated workflows
    • AI-based recommendations
  • Implement prompt engineering best practices.
  • Implement prompt engineering best practices.
  • Implement prompt engineering best practices.

• AI-Aided Coding

• • Utilize AI coding assistants to:
  • • Accelerate feature development
    • Generate boilerplate code
    • Improve documentation
    • Refactor and optimize code
  • Ensure AI-generated code meets quality, performance, and security standards.
  • Maintain balance between automation and architectural integrity.

• 4. Database Expertise

• Relational Databases (RDBMS)

• Experience with one or more of:

• • Oracle Database – Enterprise-grade, highly reliable, and feature-rich.
  • MySQL – Popular open-source database widely used for web applications.
  • Microsoft SQL Server – Strong integration within the Microsoft ecosystem.
  • PostgreSQL – Advanced open-source object-relational database known for extensibility and SQL compliance.
  • SQLite – Lightweight, file-based database for mobile or embedded systems.

• Responsibilities:

• • Schema design and optimization
  • Writing complex SQL queries
  • Indexing and performance tuning
  • Data migration and backup strategies

• NoSQL Databases

• Experience with:

• • MongoDB – Leading document-oriented database with flexible JSON model.
  • Apache Cassandra – Wide-column store designed for high scalability.
  • Redis – In-memory data store used for caching, sessions, or messaging.
  • Amazon DynamoDB – Fully managed, serverless key-value database.
  • Neo4j – Graph database for highly connected data structures.

• Responsibilities:

• • Schema-less modeling
  • Horizontal scaling strategies
  • High-availability design
  • Performance tuning for real-time applications

• 5. DevOps & Cloud Responsibilities

• • Work with cloud platforms such as AWS / Azure / GCP.
  • Deploy and manage applications in cloud environments.
  • Configure and manage CI/CD pipelines.
  • Containerization using Docker.
  • Monitor logging, performance, and reliability.
  • Collaborate on infrastructure automation.
  • Follow DevSecOps and security best practices.

• 6. Git & Version Control

• • Strong experience with Git workflows:
  • • Branching strategies (Git Flow or similar)
    • Pull requests & code reviews
    • Merge conflict resolution
  • Maintain clean commit history and documentation.
  • Collaborate effectively in team-based repositories.

• 7. Agile / Scrum Participation

• • Work in Agile/Scrum environments.
  • Participate in:
  • • Sprint planning
    • Daily stand-ups
    • Sprint reviews
    • Retrospectives
  • Provide accurate effort estimations.
  • Collaborate cross-functionally with product, design, QA, and DevOps teams.

Requirements

• • Strong command of JavaScript and TypeScript
  • Excellent UI development skills (HTML/CSS/Bootstrap)
  • Hands-on experience with Generative AI integrations
  • Experience leveraging AI-assisted coding tools for rapid and efficient development
  • Solid understanding of DevOps, Cloud environments, Git workflows, and Agile/Scrum methodologies

• You will be responsible for building scalable web applications, integrating AI-driven features, managing deployments, and contributing to end-to-end system architecture.

• Core Technical

• • 3+ years of full stack development experience.
  • Strong backend expertise in PHP / MERN / Python / Java / .NET.
  • Strong command of:
  • • JavaScript (ES6+)
    • TypeScript
    • React.js or Next.js
    • HTML5 / CSS3 / Bootstrap
  • Experience with REST APIs and third-party integrations.
  • Database architecture and optimisation experience.
  • Strong Git experience.

• AI & Emerging Technology

• • Practical experience integrating Generative AI APIs.
  • Knowledge of prompt engineering and AI system design.
  • Experience implementing AI-powered features in production.
  • Familiarity with vector databases or semantic search (preferred).

• DevOps & Cloud

• • Experience with AWS / Azure / GCP.
  • CI/CD pipeline implementation.
  • Docker containerization.
  • Understanding of scalability and system architecture.

• Communication & Soft Skills

• • Strong written and spoken English.
  • Problem-solving and analytical thinking.
  • Ownership mindset.
  • Ability to work independently and in teams.
  • Strong documentation practices.

• Preferred Qualifications

• • Experience building SaaS or enterprise-grade platforms.
  • Knowledge of microservices architecture.
  • Exposure to Kubernetes (bonus).
  • Security best practices implementation.
  • Experience mentoring junior developers.

• Ideal Candidate Profile

• • Full stack ownership mindset.
  • Strong architectural thinking.
  • Efficient use of AI tools to increase productivity.
  • Cloud-aware and DevOps-aligned.
  • Performance- and scalability-focused.

What we offer you

• Flexible Working

• Competitive Compensation

• Insurance Benefits

• Training & Mentoring

• Frequent Celebrations

• Home Office Allowance

• Paid Leave Benefits

• Retirement Benefits

• Partial Course Funding

• Team Building Activities