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API Development

Backend DevelopmentThat Never Breaks.

Your frontend is only as good as the API behind it. We build Node.js, Python, and Ruby on Rails backends that handle real load, enforce security, and scale when you need it.

< 100ms
Average API Response Time
99.99%
Uptime on Production APIs
5x
Faster Than Previous Solutions
100%
Test Coverage on Critical Paths
The Challenge

Backend Problems That Cost You

Most backend failures are predictable. Slow queries, missing auth checks, and no rate limiting are not surprises. They are choices made early and paid for later.

Slow API Response Times

Queries without indexes, N+1 problems, and no caching turn fast frontends into slow experiences. Users feel it immediately.

Security Vulnerabilities

SQL injection, broken auth, and exposed endpoints are not edge cases. They are the first things attackers probe.

Can't Handle Traffic Spikes

Synchronous bottlenecks and no horizontal scaling strategy mean a successful launch becomes an outage.

No API Documentation

Undocumented APIs slow down every frontend engineer, every integration partner, and every new team member.

What We Build

Backend systems designed for correctness, performance, and the traffic levels you plan to reach.

RESTful and GraphQL API Design

Clean, versioned APIs with consistent naming, proper error codes, and pagination built in from the start.

Database Architecture and Optimization

Schema design, indexing strategies, query optimization, and read replica configuration for databases that stay fast under load.

Authentication Systems (OAuth, JWT)

Secure auth with OAuth 2.0, JWT rotation, refresh token handling, and rate limiting on every sensitive endpoint.

Third-Party API Integrations

Stripe, Twilio, Salesforce, and any other service your business depends on, integrated reliably with retry logic and error handling.

Background Jobs and Queuing

Async processing for emails, reports, data pipelines, and anything that should not block a user-facing request.

API Documentation and Testing

OpenAPI specs, Postman collections, and automated contract tests so your API stays reliable as it evolves.

What We've Engineered

Backend systems across use cases, each built for production from day one.

SaaS Platform Backends

  • Multi-tenant data isolation
  • Usage metering and billing hooks
  • Webhook delivery systems
  • Feature flag and plan management

Mobile App API Layers

  • Lightweight REST endpoints for mobile
  • Offline sync and conflict resolution
  • Push notification delivery
  • App version compatibility handling

Data Processing Pipelines

  • ETL pipeline design and implementation
  • Scheduled batch job orchestration
  • Data validation and transformation
  • Reporting and aggregation APIs

Microservices and Event-Driven Systems

  • Service decomposition strategy
  • Message queue architecture
  • Inter-service authentication
  • Distributed tracing and observability

How We Scope and Build

A structured process that produces production-grade backend systems without months of back-and-forth.

01

Technical Discovery

We audit your existing systems, map your data model, and identify the performance and security requirements before writing a line of code.

02

API Design and Schema Planning

We produce an OpenAPI spec and database schema for your review and sign-off. Changes here cost nothing. Changes later cost a lot.

03

Development with Test Coverage

Every critical path ships with unit and integration tests. No coverage, no merge. That is the policy.

04

Load Testing and Security Review

We simulate peak traffic, run dependency vulnerability scans, and verify auth flows before anything touches production.

05

Deployment and Documentation Handover

We deploy to your infrastructure, set up monitoring and alerts, and hand over full API docs and runbooks.

Our Backend Tech Stack

Proven technologies chosen for reliability, ecosystem maturity, and the ability to hire engineers who know them.

Node.js
Express
Fastify
Python
Django
FastAPI
Ruby on Rails
PostgreSQL
MongoDB
Redis
RabbitMQ
AWS
Docker
Kubernetes
Proof

Relevant case studies

Real outcomes from teams we shipped this exact work for.

Enterprise API Developer Portal — Fortune 500 Data Services
Fortune 500 Data Services

Enterprise API Developer Portal

  • 70% Faster Onboarding
  • 3x API Adoption
  • 10K+ Developers
Read the story
Staff Augmentation for HeartFlow — HeartFlow
HeartFlow

Staff Augmentation for HeartFlow

  • 40% Faster Development
  • 99.99% Uptime
  • Zero Security Incidents
Read the story
5-Year SaaS Development Partnership — Business Intelligence SaaS
Business Intelligence SaaS

5-Year SaaS Development Partnership

  • 99.9% Uptime
  • 10x Scale
  • 3x Revenue Growth
Read the story

Ready to Scope Your API?

We scope backend projects in a single call. Tell us what you need to build and we'll tell you what it takes.