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.