What to Look For in an Angular Node.js Engineer

Angular Frontend Skills

Look for:

• ✦ Components, directives, pipes, modules
• ✦ Services and dependency injection
• ✦ RxJS (Observables, Subjects, BehaviorSubject, operators)
• ✦ Angular Router (guards, resolvers, lazy loading, preloading)
• ✦ Reactive Forms with custom validators
• ✦ HTTP interceptors for auth, logging, error handling

Node.js Backend Skills

Look for:

• ✦ Express.js (routing, middleware, error handling)
• ✦ Authentication (JWT, bcrypt, Passport.js)
• ✦ MongoDB with Mongoose (schemas, validation, aggregation)
• ✦ REST API design for Angular consumption
• ✦ Environment configuration and secrets management

TypeScript Proficiency

Signs of seniority:

• ✦ Interfaces and type aliases
• ✦ Generics for reusable components/services
• ✦ Union types, intersection types, mapped types
• ✦ Type guards and narrowing
• ✦ Strict mode (no implicit any)

Testing & Quality

Senior engineers test:

• ✦ Angular: Jasmine + Karma (unit), Cypress/Playwright (E2E)
• ✦ Node.js: Jest or Mocha + Supertest
• ✦ Component integration tests
• ✦ Mocking HTTP requests
• ✦ Test coverage reporting

Strong Indicators Of Senior-Level Experience

• ✦ Led architecture decisions
• ✦ Improved application performance
• ✦ Owned production deployments
• ✦ Mentored junior engineers
• ✦ Introduced testing standards
• ✦ Handled incident response and debugging

Verification Checklist

• ✦ Review production work samples
• ✦ Discuss technical tradeoffs
• ✦ Validate debugging experience
• ✦ Assess TypeScript depth
• ✦ Review testing approach
• ✦ Confirm deployment knowledge

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