Analyze functional and technical requirements and define the appropriate backend architecture using NestJS or GoLang or a hybrid microservices model.

Design and develop scalable, secure middleware services and RESTful gRPC APIs using TDD and clean coding standards.

Write comprehensive unit tests (Jest for NestJS , Go testing framework for Golang ) to ensure high code coverage and maintainable test suites.

Identify, address and resolve all security findings including penetration testing issues, authentication gaps, authorization flaws and encryption requirements.

Build cloud‑ready services deployable on AWS Lambda, EKS, API Gateway, SQS, SNS, etc. with production‑grade observability, monitoring and alerting.

Deliver high‑quality, bug‑free application releases by adhering to code review best practices, secure coding guidelines and performance optimization techniques.

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