MERN Stack Developer

Dotflick Solutions; New Delhi; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Dotflick Solutions in Delhi is seeking an experienced Full Stack Engineer to design, build, and scale secure, high-performance web applications and APIs using React, Node.js, and AWS.

The role emphasizes building frontend with React, crafting backend services, RESTful APIs, authentication, authorization, and strong data modeling.

You will collaborate with product managers and designers, participate in code reviews, and help establish engineering standards across the stack.

Qualifications

• Strong experience building web applications with React and Node.js.
• Experience with AWS and DevOps practices.
• RESTful APIs design and security best practices.
• Proficient in SQL/NoSQL databases and data modeling.
• Familiar with CI/CD pipelines and automated deployments.

Responsibilities

• Design, develop, and maintain frontend applications using React.js.
• Build and maintain backend services and APIs using Node.js.
• Develop secure RESTful APIs and third-party integrations.
• Implement authentication, authorization, and API security best practices.
• Design and optimize database schemas and queries.
• Deploy and manage applications on AWS infrastructure.
• Build CI/CD pipelines and automate deployments.
• Monitor application performance and troubleshoot production issues.
• Collaborate with product managers, designers, and other engineers to deliver new features.
• Participate in code reviews and maintain engineering standards.

Skills

React.js

JavaScript

TypeScript

Redux

REST API

Node.js

Express.js

NestJS

JWT

OAuth

AWS

PostgreSQL

MongoDB

ORM/ODM tooling

CI/CD

Tools

Docker

Kubernetes

CI/CD tooling

Git

Job description

Job Summary

We are looking for an experienced Full Stack Engineer to join our engineering team and help build, scale, and maintain secure, high-performance web applications and APIs. The ideal candidate will have strong expertise in React.js, Node.js, cloud-native architecture on AWS, and experience designing secure, scalable systems.

Responsibilities

• Design, develop, and maintain frontend applications using React.js.
• Build and maintain backend services and APIs using Node.js.
• Develop secure RESTful APIs and third-party integrations.
• Implement authentication, authorization, and API security best practices.
• Design and optimize database schemas and queries.
• Deploy and manage applications on AWS infrastructure.
• Build CI/CD pipelines and automate deployments.
• Monitor application performance and troubleshoot production issues.
• Collaborate with product managers, designers, and other engineers to deliver new features.
• Participate in code reviews and maintain engineering standards.

Required Skills

Frontend

• Strong experience with React.js
• JavaScript (ES6+) and TypeScript
• State management (Redux, Context API, Zustand, etc.)
• Responsive UI development
• Experience integrating APIs

Backend

• Strong Node.js experience
• Express.js or NestJS
• REST API development
• Authentication and authorization (JWT, OAuth)
• API security and rate limiting
• Webhook integrations

Cloud & DevOps

• Strong AWS experience, including: EC2, ECS/EKS, Lambda, RDS, S3, CloudFront, Route 53, IAM, Secrets Manager, CloudWatch, CI/CD pipelines, Docker and containerization

Databases

• Strong experience with PostgreSQL and MongoDB
• Database design and schema architecture
• Query optimization and performance tuning
• Indexing and database scaling strategies
• Backup, recovery, and high-availability concepts
• Experience with ORM/ODM tools such as Prisma, Sequelize, TypeORM, or Mongoose
• Understanding of database security best practices

Nice to Have

• Terraform or Infrastructure as Code
• Kubernetes
• Redis
• Message queues (SQS, RabbitMQ, Kafka)
• WAF and security hardening experience
• MERN