Senior Backend Developer - Node.js

Senior Full-stack Developer — AWS Environment & API Integration

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.