# ExtTech (Extension Technologies)

> Remote-first software development company, founded in 2019. ExtTech extends client teams with dedicated senior engineers and delivers full-cycle custom software — from idea and MVP to launch, scale and long-term support. Clients worldwide, with deep experience in regulated, high-stakes industries. All code and intellectual property belong fully to the client.

## What we do
- Dedicated development teams (team extension) — senior engineers embedded into your team and tooling via Scrum, scaled up or down on demand.
- Custom software development — from spec to deployment, architected to grow with your business.
- Product discovery — solution workshops, technical validation and a costed path to a proof of concept before production code.
- MVP engineering — lean, market-ready builds with fast iteration on real user feedback.
- QA & reliability — automated and manual QA baked into every sprint.
- Maintenance & support — monitoring, fixes and steady evolution after launch.

## Engagement models
- Team Extension — plug experienced engineers into your existing team; you set direction, we add reliable capacity.
- Full-cycle Delivery — hand over the whole build; we own architecture, delivery and quality end to end.

## Industries
Fintech & Banking, Healthcare, E-commerce & Retail, Logistics & Supply chain, EdTech, iGaming — and other domains on request. Focus on regulated, data-sensitive, high-throughput systems.

## Technology
Frontend: React, Next.js, Vue, Angular, TypeScript. Backend: Node.js, NestJS, Python, Django, .NET, Java, Go. AI: OpenAI / Claude, RAG, LangChain, vector databases, AI agents. Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, Terraform, CI/CD. Mobile: React Native, Flutter, Swift, Kotlin.

## Key pages
- [Home](https://exttech.net/): overview, services, technology stack and FAQ.
- [Services](https://exttech.net/services.html): full-cycle software development services and engagement models.
- [Industries](https://exttech.net/industries.html): sectors we build for.
- [Process](https://exttech.net/process.html): our seven-stage delivery process.
- [About](https://exttech.net/about.html): company, values, trust and security.
- [Careers](https://exttech.net/careers.html): open remote-first engineering roles.
- [Contact](https://exttech.net/contact.html): start a project.

## Contact
General: info@exttech.net · Careers: careers@exttech.net · Remote-first, working worldwide, since 2019.