Solutionsbyte

FastAPI Development

Python APIs at full speed

Async-first Python backends with FastAPI — the stack of choice for AI/ML services, data APIs, and high-performance microservices with automatic OpenAPI docs.

30k+

req/sec on async endpoints

100%

typed request/response schemas

<50ms

p99 latency targets hit

Capabilities

What we deliver

High-performance APIs

Async endpoints with Pydantic validation, dependency injection, and auto-generated OpenAPI docs your frontend team will love.

AI/ML model serving

Inference APIs for LLMs and custom models — streaming responses, batching, GPU-aware scaling, and queue-backed long tasks.

Data & ETL services

Pipelines and data APIs with Celery workers, scheduled jobs, and integrations into warehouses and analytics stacks.

Auth & multi-tenancy

OAuth2/JWT auth, role-based access, rate limiting, and tenant isolation patterns for SaaS products.

Stack

Tools of the trade

FastAPIPython 3.12PydanticSQLAlchemyCeleryPostgreSQLDockeruv
How we work

Our process

01

API design first

Contract-first design with your consumers — schemas and endpoints agreed before code is written.

02

Typed foundation

Pydantic models, strict mypy, pytest harness, and CI from the first commit.

03

Build & load test

Feature delivery with async patterns done right, profiled and load-tested against your SLA targets.

04

Ship & observe

Containerized deployment with structured logging, tracing, and metrics wired into your stack.

FAQ

Common questions

FastAPI's async runtime, Pydantic validation, and auto-docs make it ideal for APIs and AI services. Django still wins for admin-heavy CRUD apps — we use both and recommend what fits your project.

Let's build something

Have a project in mind?

We'd love to hear about it. Tell us what you're building and we'll get back to you within 24 hours.