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Zillion Infotech has partnered with Bloxbitz. Together, we refer clients between our teams and collaborate on technology projects where our capabilities complement each other.
Have an ambitious idea, technology challenge, or ecosystem to build? Let's talk.
Zillion Infotech is a FastAPI development company for US businesses, startups and large companies. We build fast REST APIs, AI backends and microservices. You also get US time zone overlap and strong security.
US companies need APIs that are fast, secure and quick to change as their market moves. From funded startups to large US firms, we build reliable backends for web, mobile and AI products.
Our FastAPI developers work hours that match EST, CST and PST time zones. You get daily standups, live Slack or Teams chat and quick turnaround on sprints.
We follow OWASP practices and design for HIPAA and SOC 2 readiness. This includes OAuth2 login, encryption, audit logs and role-based access.
FastAPI works well with LLMs and machine learning models. We build RAG search, chat assistants and streaming answers in the same Python codebase as your API.
You get full IP rights, and we sign strict two-way NDAs. You can hire one developer, add team members or agree a fixed project.
From quick MVPs for startups to busy platforms for large firms, our engineers write clean code that solves real problems. We use FastAPI, Pydantic, SQLAlchemy and PostgreSQL to build secure APIs, AI backends and microservices. We also work with Redis, Celery, Kafka, Docker and Kubernetes on AWS, Google Cloud and Azure. This helps you ship faster and stay compliant as you grow.
From quick MVPs for startups to busy platforms for large firms, our engineers write clean code that solves real problems. We use FastAPI, Pydantic, SQLAlchemy and PostgreSQL to build secure APIs, AI backends and microservices. We also work with Redis, Celery, Kafka, Docker and Kubernetes on AWS, Google Cloud and Azure. This helps you ship faster and stay compliant as you grow.
Secure REST APIs with OAuth2 or JWT login, rate limits and OpenAPI docs. They work for web, mobile and partner use.
FastAPI backends for chat assistants, RAG search and model serving. Streaming answers and usage limits keep them quick and low cost.
Small FastAPI services that talk through REST and Kafka. They run on Docker and Kubernetes (EKS, GKE, AKS), and each can scale on its own.
Multi-tenant SaaS APIs with separate customer data, Stripe billing, team accounts and usage based plans. They grow from first customers to large accounts.
We connect Stripe, Plaid, Salesforce, HubSpot, QuickBooks, Twilio and healthcare EHR/EMR APIs. Queues, retries and audit trails keep work safe.
Move older Flask or Django REST APIs to FastAPI step by step. We add pytest tests first, so your current apps keep working during the move.
Find and fix slow spots in busy US APIs with better queries, database indexes, Redis caching, async code and Kubernetes scaling.
Ongoing health checks, security patches, package updates and regular improvements, backed by guaranteed response SLAs.
A clear process with set milestones, built for remote engineering teams and US product managers.
We review your needs and plan the cloud setup. We build in HIPAA and SOC 2 needs from the start.
We agree on OpenAPI contracts and data models first, so all your teams can work at the same time.
We share working endpoints every two weeks. You get demos and direct access to your developers on Slack and GitHub or GitLab.
We run pytest tests, mypy type checks, automated CI/CD checks and security scans before every release.
We launch with no downtime on AWS, GCP or Azure. We then watch the API and keep it running well.
Answers to common questions about our FastAPI development services for businesses in the USA.
Our engineers work during US business hours. We join daily standups on Zoom or Google Meet. We share live updates on Slack or Teams and track tasks on Jira, Linear or GitHub.
Yes. We design FastAPI apps with separate customer data, role-based access, encryption and audit logs. These follow HIPAA and SOC 2 guidelines.
Our rates are much lower than hiring US engineers locally, with the same code quality. You can choose a monthly dedicated developer, time and materials or a fixed project price.
Yes. We sign strict US-governed non-disclosure agreements (NDAs) before the project starts. All source code, design files and intellectual property belong 100% to your company once paid.
For dedicated FastAPI developers, we can start them within 3 to 5 business days. For full projects, we usually begin planning within one week of agreement.
Let's discuss your plans, tech stack and goals. Schedule a technical discovery call with our FastAPI leads today.
