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API Engineering

API Engineering

API Engineering

High-performance REST & GraphQL APIs, solid database design, and secure third-party payment & telemetry integrations (Stripe, Twilio, OpenAI).

APIs are the product surface for every client you will ever ship. I design them for clarity, speed, and safe evolution — not just “it returns JSON.”

Problem

Fragile backends show up as:

  • Undocumented endpoints that only one engineer understands
  • N+1 queries and slow list views under real traffic
  • Payment or SMS integrations bolted on without idempotency
  • Auth that is either too open or impossible to extend

Solution

I deliver API layers that stay maintainable:

  • REST or GraphQL — pick the shape that fits your clients
  • Auth & RBAC — OAuth2 / Sanctum-style tokens with clear roles
  • Integrations — Stripe, Twilio, OpenAI, and custom webhooks with retries
  • Data design — indexes, migrations, and query patterns that scale

What you get

OpenAPI or GraphQL schema docs, predictable error shapes, and an architecture your next hire can extend without rewriting the first release.

Inclus :

  • High-Throughput REST & GraphQL Gateways
  • Sub-Second Telemetry & Billing Integration
  • OAuth2 & Role-Based Access Security

Explorer

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Prêt quand vous l’êtes

Un projet en tête ? Créons-le ensemble !

Partagez l’objectif, le délai et la stack — je réponds sous 24 heures. Préférez un appel ? Réservez une courte session découverte.

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What types of companies do you work with?

B2B SaaS, e-commerce, and startups building custom web apps, MVPs, and internal tools.

How long does it take to build a custom application?

An MVP is typically 4 to 8 weeks. Larger products can take 3 to 6 months of continuous development.

Can you integrate with our existing tools?

Yes. CRMs, payment gateways, marketing platforms, and internal databases — via custom APIs.

Do you offer consultations or ongoing support?

Both. One-time reviews, and retainers for maintenance, performance, and new features.

What does onboarding look like?

A discovery call, then technical planning and scope — before the first line of code.