System architecture

Enterprise-grade SaaS, designed to scale.

A production-ready architecture story across frontend, backend, data, realtime, AI systems, cloud infrastructure, and operations.

Layer

Verified identity

Layer

AI recommendations

Layer

Campus-to-career graph

Verified university graph

Aarav Mehta

Verified student ยท Strategy club

Mentors

12

Clubs

6

Roles

18

AI recommendations

Mentor match

Alumni in Product Strategy

94%

Peer match

Finance club founders

88%

Opportunity

Campus venture sprint

82%

Campus graph

Warm intro

Meet Nisha, alumna at a growth-stage fintech. She mentors students exploring product roles.

System architecture

A scalable SaaS architecture for trusted campus networks.

BatchMates can grow from a focused campus MVP into a multi-university platform with clear service boundaries, reliable realtime systems, durable data storage, and AI pipelines that learn from consented product signals.

Reference stack

Layer 01

Next.js 15

Layer 02

NestJS APIs

Layer 03

PostgreSQL

Layer 04

Redis

Layer 05

Vector DB

Layer 06

Kubernetes

01

Frontend Experience

Next.js, React, TypeScript, Tailwind, Framer Motion, React Query, Zustand, and a mobile-first design system.

02

Backend Services

NestJS microservices with REST for public flows, GraphQL for product surfaces, WebSockets for realtime, and API gateway controls.

03

Data Layer

PostgreSQL for core relational data, Redis for cache and presence, MongoDB for flexible activity documents, and vector search for AI matching.

04

AI Pipeline

OpenAI/Gemini-powered NLP, embeddings, feature engineering, ranking jobs, moderation classifiers, and feedback loops.

05

Event-Driven Core

Queues and Pub/Sub for notifications, recommendation refreshes, analytics events, moderation workflows, and integration jobs.

06

Cloud Infrastructure

AWS or GCP with Kubernetes, managed databases, object storage, CDN, WAF, autoscaling, observability, and zero-downtime releases.