· Create responsive React/Next.js UIs using components, hooks, and Tailwind/CSS Modules.
· Develop NestJS/Express APIs (modules, DTOs, validation, guards, interceptors, Swagger).
· Design Postgres schemas, write SQL, and run migrations, add useful indexes.
· Integrate third-party services (payments, email/SMS, storage, webhooks) with retries/idempotency.
· Write unit/integration tests and keep CI passing.
· Document what you build: short READMEs, API notes, env variables, and changelogs.
· Reliability
· Join the on-call rotation (details below).
· Watch logs/metrics, debug issues, roll back safely, and follow runbooks.
· Follow basic security: input validation, rate limiting, safe secrets.
· Collaboration
· Break down tasks, give estimates, flag risks early.
· Follow code standards (ESLint/Prettier, conventional commits) and our branching model.
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