Shafqatism LLC
Mobile App Development

Backend & API Integration

Scalable cloud backends, microservice architectures, and ultra-fast GraphQL/REST APIs engineered specifically for high-concurrency mobile application performance and real-time synchronization.

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api.gateway.mobile • NestJSGraphQL & RESTful EndpointsPayload Compression • Zero OverfetchReal-Time WebSockets & QueuesRedis Pub/Sub • BullMQ WorkersPostgreSQL & Multi-Region ReplicasSub-10ms Read Queries< 50ms APIGlobal Edge CDN99.99% UptimeAuto-Scale PodsPush EngineAPNs & FCM SyncToken RotationZero-Trust JWT
### High-Throughput Cloud Backends & Real-Time APIs for Mobile Ecosystems A mobile application is only as resilient, fast, and responsive as the backend infrastructure powering it. Mobile networks introduce unique architectural hurdles: fluctuating cellular connectivity, packet loss, high latency, battery drain from excessive requests, and sudden viral traffic spikes. **Shafqatism LLC** builds cloud-native mobile backends and API gateways using **NestJS, Node.js, GraphQL, PostgreSQL, Redis, and AWS/GCP serverless infrastructure**. We optimize every JSON and protobuf payload to ensure sub-100ms API responses and effortless scalability to millions of mobile clients. --- ### Backend Capabilities We Provide - **Mobile-Optimized GraphQL & REST APIs**: Granular payload filtering, field batching, and schema stitching to prevent mobile over-fetching. - **Real-Time WebSockets & Push Queues**: Bidirectional real-time event streaming with Redis Pub/Sub, Socket.io, and BullMQ task queues. - **Zero-Trust Auth & Token Rotation**: Refresh token rotation, biometric JWT validation, and cryptographically signed API request headers. - **Multi-Region Distributed Caching**: Global Redis and Cloudflare edge caches keeping database read loads low and response times instantaneous.

Pricing

Indicative pricing — use the calculator to build a full estimate.

Mobile API Starter

Ideal for new mobile applications requiring a clean, scalable RESTful API and cloud database backend.

$3,499

per project · per backend

  • High-Performance RESTful API (NestJS & TypeScript)
  • PostgreSQL Relational Database & Drizzle ORM
  • JWT Authentication & Password Encryption
  • Apple APNs & Google FCM Push Notification Engine
  • Swagger / OpenAPI Interactive Documentation
  • Cloud Deployment on AWS / GCP / DigitalOcean
  • Real-Time WebSockets & Live Streaming
  • Multi-Region Distributed Database Replicas
Build API Starter
Most popular

Scalable Cloud Backend Pro

Designed for growing mobile apps requiring real-time WebSockets, Redis caching, payment gateways, and auto-scaling.

$6,999

per project · per backend

  • Everything in Mobile API Starter
  • Real-Time WebSockets & Redis Pub/Sub Streaming
  • GraphQL API Layer with Schema Stitching
  • Redis In-Memory Distributed Caching & Rate Limiting
  • Stripe & In-App Purchase Server Webhook Validation
  • BullMQ Async Task Queue & Worker Pipelines
  • Automated k6 Load & Concurrency Stress Testing
  • Multi-Region Distributed Database Replicas
Deploy Backend Pro

Enterprise Distributed Microservices

For high-volume platforms requiring multi-region database clusters, zero-trust token security, and 24/7 SLA telemetry.

$11,999

per project · per backend

  • Distributed Kubernetes / Docker Microservice Cluster
  • Multi-Region Database Replication & Failover
  • Zero-Trust Token Rotation & HMAC Request Verification
  • 100,000+ Concurrent Virtual User Stress Optimization
  • Custom Enterprise ERP & Legacy Database Middleware
  • Datadog / Sentry 24/7 Live Telemetry & Alerting
  • Dedicated Senior Cloud Backend Architect
  • 90 Days VIP Hypercare & SLA Support Included
Architect Microservices

What’s included

High-Throughput GraphQL & REST APIs

Low-latency APIs engineered with NestJS and Fastify featuring payload compression, input validation, and automatic OpenAPI specs.

Real-Time WebSockets & Event Streaming

Instant bidirectional communication for chat, live tracking, order statuses, and multiplayer feeds using Redis Pub/Sub.

Redis Distributed Caching & Rate Limiting

Sub-5ms in-memory cache layers and token-bucket rate limiters that shield databases from heavy mobile traffic surges.

Push Notification Microservices

Dedicated notification delivery workers routing personalized APNs and FCM alerts with automated retry logic and analytics.

Zero-Trust Token Auth & Session Security

Secure JWT authentication with refresh token rotation, device fingerprinting, and automated session revocation.

PostgreSQL Relational Data Modeling

High-performance relational schemas with Drizzle ORM, database connection pooling, and multi-region read replicas.

Third-Party API & Webhook Integrations

Bulletproof connectors for Stripe, PayPal, Twilio, SendGrid, Segment, HubSpot, and custom enterprise webhooks.

Docker & Kubernetes Cloud Scaling

Containerized microservices with auto-scaling compute pods on AWS ECS/EKS and Google Cloud Run for 99.99% uptime.

How we work

1

Mobile Data Modeling & API Contracts

We define OpenAPI/Swagger specifications, GraphQL schemas, database entities, and client-server network contracts.

2

Microservices & Database Setup

We configure PostgreSQL database clusters, Redis caching nodes, migration scripts, and NestJS microservice scaffolding.

3

Endpoint Implementation & Validation

We develop REST/GraphQL endpoints with class-validator DTOs, strict input sanitization, and structured error formatting.

4

Real-Time WebSockets & Task Queues

We configure WebSocket gateways, Redis Pub/Sub channels, and BullMQ background workers for async processing.

5

Authentication & API Security Hardening

We implement OAuth2, JWT token rotation, HMAC request signing, rate-limiting, and CORS security headers.

6

Stress Testing & Concurrency Benchmarking

We run k6 and Artillery load simulations to stress-test APIs under tens of thousands of concurrent virtual mobile devices.

7

Multi-Region Cloud Deployment

We provision cloud infrastructure via Terraform on AWS/GCP with auto-scaling clusters, CDN edge routing, and SSL.

8

24/7 Telemetry & Latency Monitoring

We configure Datadog / Sentry telemetry, automated alerting for API error rates, and live server health dashboards.

Frequently asked questions

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