Greetings from Excellis IT Pvt. Ltd. !!!!!!!!!

We are hiring for Mern Stack Developer .

Experience- 2-3 years

Job Summary Full-

Time We are looking for an experienced MERN Stack Developer with strong hands-on experience in Next.js and practical knowledge of Machine Learning integration. The candidate should be capable of developing complete web applications, building scalable APIs, working with databases, implementing up-to-date frontend solutions using Next.js, and integrating Machine Learning or AI models/services into web applications.

Key Responsibilities

- Develop and maintain full-stack applications using MongoDB, Express.js, React.js, and Node.js.
- Build modern, responsive, and high-performance frontend applications using Next.js. Develop secure and scalable REST APIs and backend services.
- Design and manage MongoDB databases, schemas, queries, and data models. Implement authentication and authorization using JWT, OAuth, and role-based access control.
- Integrate third-party APIs and external services. Integrate Machine Learning models or AI-based services into web applications.
- Work with Python-based ML services/APIs when required. Handle communication between Node.js applications and ML services.
- Optimize applications for performance, scalability, and security. Debug and resolve frontend, backend, database, and API-related issues.
- Work with Git/GitHub or similar version-control systems. Participate in deployment and production troubleshooting.
- Collaborate with UI/UX designers, backend developers, ML developers, and other team members.

Required Technical Skills

- Strong knowledge of JavaScript / TypeScript.
- React.js and Next.js.
- Node.js and Express.js.
- MongoDB / Mongoose.
- REST API development and third-party API integration.
- HTML5, CSS3,



and responsive web development.
- Authentication using JWT / OAuth. Git / GitHub or similar version-control systems.
- Basic Linux/server knowledge.
- Understanding of application deployment and production environments.

Machine Learning Requirements

- Practical understanding of Machine Learning concepts and production integration.
- Working knowledge of Python.
- Experience with Pandas and NumPy.
- Knowledge of Scikit-learn.
- Basic knowledge of TensorFlow or PyTorch. Experience integrating ML models into web applications.
- Creating or consuming ML APIs using FastAPI or Flask.
- Understanding of data preprocessing and model inference.
- Ability to connect Node.js/Next.js applications with Python ML services.
- Basic understanding of AI/ML model deployment

Preferred / Added Advantage

- Generative AI and LLM API integration.
- RAG, embeddings, and vector databases such as Pinecone, Qdrant, Weaviate, or Chroma.
- AI chatbot development.
- Docker. Redis. WebSocket / Socket.IO.
- AWS, DigitalOcean, or similar cloud platforms.
- Nginx and PM2. PostgreSQL. CI/CD and microservices architecture.

Candidate Profile

- 2.5 - 3 years of professional development experience.
- Strong problem-solving and debugging skills.
- Ability to independently develop modules and features.
- Good understanding of frontend and backend architecture.
- Experience working on real-world production applications.
- Ability to understand requirements and convert them into technical implementations.
- Good communication and team collaboration skills.

Interested candidates can drop their Cv at [email protected] or can contact on the given no.

Contact Person- Zoya

+91-XXXXXXXXXX ( call or whatsapp )

Pay: ₹25,000.00 - ₹40,000.00 per month

Benefits:

- Provident Fund

Work Location: In person

📌 MERN Stack Developer (Kolkata)
🏢 Excellis IT
📍 Kolkata