Backend & APIs

Fast, Secure.
Built to Scale.

Production-ready APIs, databases, and backend systems engineered for performance, security, and the scale your business demands — without rewrites.

<50ms API response Security-first design First endpoint in 2 weeks

<50ms

Avg API response

p95 under load

99.9%

Uptime SLA

production systems

0

Security breaches

across all clients

2 wks

First endpoint live

from kickoff

Our Stack

Battle-Tested Technologies

We use the right tool for the job — proven technologies with strong ecosystems, not chasing hype.

Node.js
GraphQL
PostgreSQL
MongoDB
Redis
Docker

What We Build

Full Backend Coverage

From a single microservice to a distributed system — we architect, build, and maintain it all.

REST & GraphQL APIs

Clean, versioned, well-documented APIs built to REST best practices or GraphQL schemas — designed for mobile, web, and third-party consumers.

OpenAPI / Swagger docs Rate limiting & throttling Versioning strategy Pagination & filtering

Database Design

Relational and NoSQL database architecture optimised for query performance, integrity, and scale — from schema design to indexing strategies.

Schema & ER design Query optimisation Migrations & seeding Multi-tenant patterns

Auth & Security

Enterprise-grade authentication flows, role-based access control, and security hardening to keep your data and users safe.

JWT / OAuth 2.0 RBAC / permissions Rate limiting OWASP hardening

Microservices

Event-driven microservice architectures with message queues, service discovery, and resilient inter-service communication patterns.

Event-driven (RabbitMQ / Kafka) Service mesh Circuit breakers Distributed tracing

Real-time Systems

WebSocket servers, push notifications, and streaming APIs for live dashboards, chat, collaborative tools, and IoT data pipelines.

WebSockets / SSE Pusher / Socket.io Pub/sub patterns Live dashboards

Third-party Integrations

Seamlessly connect payments, CRMs, ERPs, and any SaaS tool via robust webhook handling and idempotent API consumers.

Stripe / Paddle CRM & ERP sync Webhook handling Idempotency keys

Why Vewnex

Backend That
Never Lets You Down

We've built backends that handle millions of requests — we know where systems fail under load, how security holes get exploited, and what makes a codebase a nightmare to maintain. We build none of those things.

API-first by design

Every system is built to be consumed — clean contracts, versioning, and documentation from day one.

Security is non-optional

Auth, rate limiting, input validation, and OWASP hardening are built in, never bolted on.

Scale without rewrites

We design for 10× your current traffic so you never need an emergency refactor at 3 AM.

Full handover & docs

Comprehensive API docs, architecture diagrams, and runbooks so your team owns the system completely.

How We Work

From Brief to Production

A structured process that ships clean, tested code fast — without skipping architecture or documentation.

1
01

Discover

We map your data flows, existing systems, and integration requirements to design the right architecture from the start.

2
02

Architect

Schema design, API contracts, auth model, and infrastructure plan — agreed and documented before any code is written.

3
03

Build

Clean, tested, documented code shipped in sprints. Every endpoint comes with automated tests and Swagger docs.

4
04

Monitor

APM dashboards, error tracking, and monthly performance reviews to keep your backend fast and reliable.

Investment

Backend Packages

Fixed-scope projects or ongoing retainer — choose what fits your stage.

Start Building

Ready for a Backend
That Never Breaks?

Book a free 30-minute architecture review. We'll look at your current system, identify bottlenecks and risks, and tell you exactly what we'd build — no commitment needed.

All Services