Required Qualifications:

• 2–3 years of professional experience as a full-stack or backend-focused JavaScript/TypeScript developer
• Strong proficiency with:
     - Node.js and a backend framework (Express, NestJS, or Fastify)
     - Frontend framework/library (React; bonus for Next.js)
     - TypeScript in production (types, generics, interfaces)
     - Asynchronous programming, promises, and event-driven patterns
• API design experience: REST standards, GraphQL fundamentals, versioning, error handling
• Database experience:
       - SQL schema design, queries, and ORMs (Prisma, TypeORM, Sequelize) and/or
       - NoSQL modeling (MongoDB/Mongoose)
• Authentication and authorization: OAuth2/OIDC, JWT, sessions, CSRF/refresh tokens
• Testing experience: Jest/Vitest, React Testing Library, Cypress/Playwright
• Proficiency with Git, branching strategies, and code review workflows
• Experience with CI/CD (GitHub Actions, GitLab CI, CircleCI) and containerization (Docker)
• Deployed at least one production web application or contributed significantly to one
• Good communication skills and ability to work in agile teams (Scrum/Kanban)

Preferred/Nice-to-Have:

• Next.js (App Router), server components, and incremental static regeneration
• NestJS with dependency injection, modules, and guards/interceptors
• GraphQL (Apollo/Urql), schema-first or code-first approaches
• Message queues and event systems (Kafka, RabbitMQ, SQS/SNS)
• Caching layers (Redis), rate limiting, and CDN integration
• Cloud platforms: AWS/GCP/Azure; IaC (Terraform, CDK) and serverless (Lambda/Cloud Functions)
• Web security hardening (CSP, security headers, certificate pinning, secret management)
• Performance optimization: Core Web Vitals, lighthouse audits, bundle splitting
• Observability: OpenTelemetry, Prometheus/Grafana, ELK/EFK, Datadog/New Relic
• Monorepos and tooling (Nx/Turborepo), package publishing
• Real-time features with WebSockets/Socket.IO or tRPC
• Basic UX sensibilities and accessibility (WCAG)