Job Title: Backend-Focused MERN Stack Developer
Job Type: Full-time
Location: Bangalore, India
Experience: 2 years
Salary: ₹35,000 – ₹50,000 per month
About the Role
We are looking for a Backend-Focused MERN Stack Developer with 2 years of experience in building scalable web applications and APIs. The ideal candidate should have strong expertise in Node.js, Express.js, MongoDB, and JavaScript/TypeScript, along with exposure to AI technologies such as LLMs, LangChain, RAG pipelines, and Python-based AI integrations.
You will work closely with product, frontend, and AI teams to design, develop, and maintain backend services while contributing to AI-powered features and automation solutions.
Key Responsibilities
· Design, develop, and maintain scalable backend applications using Node.js, Express.js, and MongoDB.
· Build and optimize RESTful APIs and microservices.
· Implement authentication, authorization, and security best practices.
· Design database schemas and optimize query performance.
· Collaborate with frontend developers to integrate APIs with React-based applications.
· Develop and maintain AI-powered features using LLMs and LangChain frameworks.
· Build Retrieval-Augmented Generation (RAG) pipelines using vector databases and embeddings.
· Integrate third-party AI services and APIs (OpenAI, Anthropic, Gemini, etc.).
· Develop Python scripts/services for AI workflows, data processing, and model integrations.
· Write clean, maintainable, and well-documented code.
· Participate in code reviews, debugging, and performance optimization.
Required Skills
· 2 years of professional experience in software development.
· Strong proficiency in:Node.js,Express.js,MongoDB,JavaScript (ES6+) / TypeScript,REST API Development
· Experience with React.js and MERN stack architecture.
· Knowledge of authentication mechanisms such as JWT and OAuth.
· Experience with Git and version control workflows.
· Understanding of software design patterns and backend architecture.
· Familiarity with cloud platforms (AWS, Azure, or GCP).
· AI & Python Requirements
· Basic to intermediate experience with:Large Language Models (LLMs),LangChain,Retrieval-Augmented Generation (RAG),Prompt Engineering,Vector Databases (Pinecone, Weaviate, Chroma, etc.),Python for AI integrations and automation,Experience integrating AI APIs into web applications.
Preferred Qualifications
· Experience with Docker and containerized deployments.
· Knowledge of CI/CD pipelines.
· Familiarity with Redis, message queues, or caching strategies.
· Experience working in Agile/Scrum environments.
· Understanding of AI agent frameworks and workflow orchestration tools.
· Primary Stack: Node.js, Express.js, MongoDB, React.js, AI Integrations, Python
· Focus Area: Backend Development with AI Enablement.
Pay: ₹35,000.00 - ₹50,000.00 per month
Application Question(s):
- Do you have at least 2 years of experience in backend development using Node.js and Express.js?
- Have you built and deployed RESTful APIs in production projects?
- Do you have hands-on experience with MongoDB (schema design, queries, or optimization)?
- Have you worked with JWT or OAuth-based authentication systems?
- Have you worked with any AI/LLM tools or frameworks such as OpenAI API, LangChain, or RAG pipelines?
Location:
- Indiranagar, Bengaluru, Karnataka (Required)
Work Location: In person
