Senior MERN Stack Developer (Backend Heavy)

Carnera Technologies; Bengaluru; Hybrid; INR 1,800,000 - 2,800,000; Full time

Job summary

Carnera Technologies in Bengaluru (~Hybrid) is seeking a Senior MERN Stack Developer (Backend Heavy) with strong Node.js/TypeScript skills and frontend experience in React. You will design, build, and scale customer-focused applications in a cloud-native AWS environment.

Responsibilities include troubleshooting production issues, implementing scalable backend services and RESTful APIs, creating responsive frontend components, and contributing to architecture and CI/CD improvements.

Qualifications

• 5+ years of full stack and cloud tech experience.
• 5+ years with Node.js, JavaScript, or TypeScript.
• Strong problem-solving skills with data structures and algorithms.
• Experience designing DynamoDB tables, partition keys, sort keys, and access patterns.
• Experience developing RESTful APIs and microservices.

Responsibilities

• Troubleshoot and resolve complex customer-facing and production issues across frontend and backend systems.
• Address performance, stability, scalability, security, and extensibility in applications.
• Design, develop, and maintain scalable backend services and RESTful APIs using Node.js and TypeScript.
• Develop responsive frontend applications using React.
• Design and implement efficient data models using DynamoDB.
• Build cloud-native, event-driven apps using AWS services (ECS, Lambda, S3, SQS, API Gateway, CloudWatch).
• Develop asynchronous processing workflows with queues and serverless services.
• Define architecture and relationships between services and subsystems.
• Participate in architecture discussions, design reviews, and code reviews.
• Ensure new code meets performance, security, reliability standards and write tests.

Skills

Node.js

JavaScript

TypeScript

AWS DynamoDB

React.js

System Design

REST

Tools

MySQL or PostgreSQL

Redis or Amazon ElastiCache

S3

SNS

ECS

EC2

Job description

Senior MERN Stack Developer (Backend Heavy)

Experience: 5+ years of overall experience

Primary Skills (Must-Have):

Node.js, JavaScript, TypeScript, AWS DynamoDB, React.js, System Design, REST

Secondary Skills:

MySQL or PostgreSQL, Redis or Amazon ElastiCache, S3, SNS, ECS, EC2.

Location: Bengaluru (Hybrid)

Shift: General IST time zone

Role Summary

We are looking for a Full Stack Engineer with strong backend expertise in Node.js and TypeScript, along with frontend development experience in React. The engineer will be responsible for designing, building, scaling, and supporting high-quality, customer-facing applications in a cloud-native AWS environment.

Responsibilities

• Troubleshoot and resolve complex customer-facing and production issues across frontend and backend systems.
• Proactively identify and address issues related to application performance, stability, scalability, security, and extensibility.
• Design, develop, and maintain scalable backend services and RESTful APIs using Node.js and TypeScript.
• Develop responsive, reusable, and maintainable frontend applications using React.
• Design and implement efficient data models and access patterns using Amazon DynamoDB.
• Build cloud-native and event-driven applications using AWS services such as ECS, Lambda, S3, SQS, API Gateway, and CloudWatch.
• Develop asynchronous processing workflows and integrations using queues and serverless services.
• Define application architecture and relationships between services, components, and subsystems.
• Actively participate in architecture discussions, technical design reviews, and code reviews.
• Ensure that new code, features, and software products meet defined performance, security, reliability, and quality standards.
• Write automated unit, integration, and end-to-end tests for frontend and backend components.
• Maintain high availability and demonstrate a strong commitment to customer trust and production reliability.
• Monitor production applications using logs, metrics, traces, dashboards, and alerts.
• Support CI/CD pipelines and improve automated build, testing, and deployment processes.
• Collaborate with product managers, designers, quality engineers, and globally distributed engineering teams.
• Work in an Agile environment following Scrum methodologies.
• Take ownership of features throughout the complete software development lifecycle, from technical design through production support.

Minimum Qualifications

• 5+ years of strong programming experience in full stack development and cloud technologies.
• At least 5 years of relevant hands-on experience with Node.js, JavaScript, or TypeScript.
• Strong problem-solving skills with solid knowledge of data structures and algorithms.
• Good understanding of commonly used software design patterns and architectural principles.
• Hands-on experience developing backend services using Node.js and TypeScript.
• Experience developing RESTful APIs and microservice-based applications.
• Hands-on experience building frontend applications using React, HTML, CSS, and JavaScript.
• Experience designing DynamoDB tables, partition keys, sort keys, secondary indexes, and application access patterns.
• Experience developing applications using AWS services such as ECS, Lambda, S3, SQS, API Gateway, and CloudWatch.
• Experience building scalable, secure, and highly available cloud-native applications.
• Experience with automated testing frameworks such as Jest, Mocha, React Testing Library, Cypress, or Playwright.
• Experience with CI/CD and containerization tools such as Docker and Jenkins.
• Experience using Git-based source-control and development workflows.
• Good understanding of application monitoring, debugging, and production-support practices.
• Strong communication and collaboration skills.