Technology Expertise

SaaS platforms use Next.js or React frontends with NestJS or FastAPI backends, PostgreSQL for relational data, Redis for queues and caching, and Stripe or Razorpay for billing. Tenant isolation, subscription entitlements, and admin tooling are designed into the domain model from the first sprint.

Background jobs handle emails, webhooks, imports, and reports without blocking user requests. Docker and CI/CD pipelines deploy to AWS, DigitalOcean, or Vercel depending on traffic and compliance requirements.

Production deployments use Docker containers, nginx reverse proxies, GitHub Actions or GitLab CI, and environment-specific configuration. Monitoring covers error rates, queue depth, and database performance — with runbooks for rollback and incident response.

Infrastructure choices balance cost and reliability: Vercel for marketing and dashboard frontends, dedicated servers or AWS for API-heavy workloads, and Cloudflare for CDN and DDoS protection at the edge.

LLM integration uses OpenAI or compatible APIs with RAG pipelines over approved documents, prompt templates, and guardrails for PII and hallucination risk. AI features ship as product capabilities — in-app assistants, classification, summarization — not disconnected demos.

Vector search, embedding pipelines, and cost controls keep token usage predictable as user volume grows.