Sujantivo
PILLAR 02 // FULLSTACK PLATFORMS

Full-Stack Web &
Mobile Development.

We design and engineer bespoke AI-native SaaS platforms, cross-platform mobile apps with on-device ML, and high-concurrency microservices.

Web and Mobile App Engineering
Editorial aesthetic finesse paired with strict TypeScript type safety.
Engineering Offerings

Application & Architecture Capabilities

01

AI-Native Web Applications

Full-stack SaaS platforms featuring real-time streaming LLM responses, generative UI components, interactive analytics dashboards, and edge-cached database queries.

Key Features:
Server Actions and React Server Components for sub-second rendering
Streaming token output with optimistic UI updates
Multi-tenant data isolation and RBAC security layers
Custom generative charting and real-time canvas interfaces
Next.js 15+ App RouterFastAPIPostgreSQLVercel AI SDK
02

Cross-Platform Mobile Apps

Native iOS and Android mobile apps engineered with offline sync, on-device machine learning inference, and fluid 60fps micro-animations.

Key Features:
On-device object detection and local neural net inference
Low-latency voice recognition and streaming audio playback
Offline-first synchronization with SQLite and WatermelonDB
Seamless push notification and background processing lifecycles
React NativeFlutterCoreMLTensorFlow Lite
03

Internal Business Tools & Portals

Bespoke internal operations portals that embed automated LLM-assisted approval queues, inventory oversight, and executive intelligence dashboards.

Key Features:
Automated exception flagging and one-click approvals
Custom role permissions and audit log traceability
Direct bi-directional sync with legacy SQL and cloud databases
Self-serve reporting and automated PDF/CSV report generation
Custom Next.js PortalsRetoolSuperblocksTailwind CSS
04

API Development & Microservice Integration

High-concurrency, type-safe REST and GraphQL APIs connecting internal databases to external foundation model endpoints and third-party SaaS ecosystems.

Key Features:
Sub-20ms p99 endpoint latency with distributed Redis caching
Rate-limiting, API key management, and usage metering
Automated OpenAPI 3.1 & TypeScript client SDK generation
Webhook event-driven pipelines with dead-letter queue retries
FastAPIGoGraphQLgRPCRedis Pub/Sub

Have an application to build or scale?

Let's evaluate your stack, user experience goals, and technical requirements.