Senior Backend Developer - Node.js

Qualminds; Hyderabad; On-site; INR 1,400,000 - 2,300,000; Full time

Job summary

QualMinds in Hyderabad is seeking a Senior Backend Developer to design scalable APIs and robust backend systems using Node.js, TypeScript, and AWS. You will contribute to building REST/GraphQL APIs, serverless services, and data-layer components.

Ideal candidates have 5+ years of backend experience, deep AWS expertise (Lambda, API Gateway, AppSync, Step Functions) and strong API, database, and security know-how. Collaboration with frontend/product teams and CI/CD delivery are essential.

Qualifications

• 5+ years of backend development experience.
• Strong Node.js and TypeScript skills.
• Hands-on experience with AWS.
• Experience with Lambda, API Gateway, AppSync, and Step Functions.
• Experience with DynamoDB and PostgreSQL.
• Experience with Supabase.
• Experience with event-driven architecture, CRON jobs, or Edge Functions.
• Knowledge of AWS CDK, CloudFormation, or Terraform.
• Strong API, database, and security knowledge.
• Experience with Git and CI/CD.
• Good communication and problem-solving skills.

Responsibilities

• Develop and maintain REST/GraphQL APIs.
• Build backend services using AWS serverless technologies.
• Work with Lambda, API Gateway, AppSync, and Step Functions, DynamoDB and PostgreSQL.
• Implement authentication, authorization, and API security.
• Design and optimize SQL/NoSQL databases.
• Improve API performance and scalability.
• Write clean, tested, and well-documented code.
• Manage CI/CD pipelines and deployments.
• Monitor systems and troubleshoot production issues.
• Work closely with front-end and product teams.

Skills

Node.js

TypeScript

AWS

REST APIs

GraphQL

CI/CD

Security

Event-driven

Tools

AWS Lambda

API Gateway

AppSync

Step Functions

DynamoDB

PostgreSQL

S3

Cognito

CloudWatch

Supabase

AWS CDK

CloudFormation

Terraform

Job description

About QualMinds:

We at QualMinds design & develop world-class digital products and custom software for Startups, Scale- ups & Enterprises with our world-class engineering team. We assemble a great team of frontend, backend, full-stack, QA automation, UI/UX, DevOps, data science, machine learning, and agile experts to help our clients propel their pursuit of digital excellence. Our engineering community at QualMinds is always passionate about building customer-centric software with the highest quality, performance, security, scalability, and lowest failure rates.

Overview:

We are looking for a Senior Backend Developer with strong experience in Node.js, TypeScript, AWS, and API development . You will build scalable and secure backend systems that support our front-end applications.

Experience: 5+ Years

Key Responsibilities :

• Develop and maintain REST/GraphQL APIs .
• Build backend services using AWS serverless technologies .
• Work with Lambda, API Gateway, AppSync, Step Functions, DynamoDB, PostgreSQL, S3, Cognito, and CloudWatch .
• Implement authentication, authorization, and API security.
• Design and optimize SQL/NoSQL databases.
• Improve API performance and scalability.
• Write clean, tested, and well-documented code.
• Manage CI/CD pipelines and deployments.
• Monitor systems and troubleshoot production issues.
• Work closely with front-end and product teams.

Required Skills & Experience:

• 5+ years of backend development experience.
• Strong Node.js and TypeScript skills.
• Hands-on experience with AWS .
• Experience with Lambda, API Gateway, AppSync, and Step Functions .
• Experience with DynamoDB and PostgreSQL .
• Experience with Supabase .
• Experience with event-driven architecture, CRON jobs, or Edge Functions .
• Knowledge of AWS CDK, CloudFormation, or Terraform .
• Strong API, database, and security knowledge.
• Experience with Git and CI/CD .
• Good communication and problem-solving skills.

Nice to Have

• Experience with AWS Redshift .
• Experience with Lovable or other low-code platforms.