RA

Full Stack Developer

RARR Technologies
Noida4-12 LPA Posted 31 Oct 2025
FULL TIME
Microservices
react.js
Mongodb
Node.js
Python

Job Description

Role Overview

We are seeking a highly skilled Full Stack Developer with at least 2.5 years of experience to join our product engineering team. In this role, you will be responsible for building and maintaining a microservices-based multi-tenant framework using the MERN stack, while also enabling seamless integrations with Python-based applications that leverage Retrieval-Augmented Generation (RAG), Large Language Models (LLMs), and the Azure AI Library

Key Responsibilities

  • Design, develop, and maintain microservices using Node.js/Express.js in a multi-tenant architecture.
  • Build end-to-end solutions using MERN stack (MongoDB, Express.js, React.js, Node.js).
  • Integrate front-end components with backend logic for seamless performance and UX.
  • Develop and integrate with Python-based services and APIs (Flask/FastAPI) that implemen tRAG workflows and LLMs.
  • Leverage the Azure AI Library for embedding AI-powered features into applications.
  • Implement and maintain RESTful APIs for internal services and external third-party integrations.
  • Optimize backend performance with efficient code, data structures, and caching mechanisms.
  • Use Azure (or AWS) cloud services for deployment, monitoring, auto scaling, and system health.
  • Work with both relational (MySQL/PostgreSQL) and NoSQL (MongoDB) databases to manage distributed data.
  • Follow DevOps practices, CI/CD pipelines, and containerization (Docker; Kubernetes is a plus).
  • Ensure data security, system availability, and compliance in a cloud-native environment.
  • Conduct code reviews, debug issues, and optimize applications for performance and scalability.
  • Collaborate closely with product managers, designers, and cross-functional engineering teams.

  • Required Qualifications
  • Bachelor s degree in Computer Science, Information Technology, or related field.
  • Minimum of 2.5 years experience as a Full Stack or Backend Developer.
  • Hands-on expertise in MERN stack (MongoDB or MySQL, Express.js, React.js, Node.js).
  • Experience with Microservices architecture and REST API development.
  • Practical exposure to Python web frameworks like Flask or FastAPI.
  • Experience integrating or developing AI capabilities using RAG, LLMs, or Azure AI Services.
  • Familiarity with cloud platforms (Azure preferred; AWS/GCP acceptable).
  • Working knowledge of containerization tools (Docker; Kubernetes is a plus).
  • Proficient in database design, performance tuning, and managing distributed data systems.
  • Strong understanding of multi-tenant architecture, application security, and scalability.
  • Version control experience (preferably Git).
  • Excellent communication, collaboration, and analytical skills.
  • Stack Application, Node Js +, React Js, Web Developement
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