Contact FIZNEX
Get a custom proposalAI, App, Web & Blockchain Development Agency
FIZNEX is a custom software development agency building AI-powered web apps, mobile apps, SaaS platforms, and blockchain solutions for startups and businesses worldwide. Since 2023, we've delivered 30+ production projects for clients across the US, Europe, and beyond.
We're a full-cycle team. From the first wireframe to launch and ongoing support, we handle design, frontend, backend, cloud deployment, and everything in between —no half-work, no hand-offs.
What we do:
- Web & Web App Development — fast, secure, SEO-ready sites, dashboards, and CRMs built with React, Next.js, Node.js, and NestJS
- Mobile App Development — native-feeling iOS & Android apps from a single codebase using React Native and Flutter, published live on the App Store and Google Play
- SaaS & MVP Development — subscription billing, multi-tenant architecture, and Stripe payments, built to scale
- AI Integration — custom chatbots and assistants powered by GPT-4, Claude, and Gemini, trained on your own data (RAG)
- Blockchain & Web3 — NFT marketplaces, smart contracts, and token launches on Solana and Ethereum
- DevOps & Cloud — VPS, AWS, and DigitalOcean setup, CI/CD, security hardening, and 24/7 monitoring
- Bug Fixing & Publishing — fast fixes and App Store / Play Store submissions, often within 24 hours
Our stack includes React, Next.js, TypeScript, Node.js, NestJS, React Native, Flutter, PostgreSQL, MongoDB, Python, and Web3.js.
Clients choose FIZNEX for clean, scalable code, fast communication, and an AI-first approach that gives their product a real edge. Whether you're validating an idea or scaling a platform, we build it the right way — start to finish.
Let's talk about your project.
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Min project size
$10,000+
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Hourly rate
$25 - $49 / hr
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Employees
2 - 9
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Year founded
Founded 2023
- AI Development
- 20%
- AI Agents
- 10%
- Blockchain
- 10%
- Web Development
- 10%
No Focus Areas have been added yet…
- Information technology
- 25%
- Financial services
- 20%
- Arts, entertainment & music
- 15%
- Consumer products & services
- 15%
- eCommerce
- 15%
- Real estate
- 10%
- Small Business (<$10M)
- 90%
- Midmarket ($10M - $1B)
- 10%
Have you worked with FIZNEX?
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Our Story
FIZNEX began in 2023 with one goal: build software that actually ships. What started as a small full-stack team is now a global agency delivering AI apps, mobile apps, SaaS platforms, and blockchain solutions for founders and businesses worldwide. We believe in clean code, honest communication, and no half-work. Every project is handled end to end from the first wireframe to launch and beyond. With 100+ projects delivered, one rule never changes: when our clients win, we win. Paste it straight
What Sets Us Apart
AI-first, not AI-bolted-on
We build AI into products from the ground up chatbots trained on your own data, smart automation, and features that give you a real edge over competitors, not gimmicks.Full-cycle, one team
Design, frontend, backend, blockchain, DevOps, and app store publishing all handled in-house. No agencies-within-agencies, no dropped hand-offs.Fast, honest communication
You work directly with the developers building your product and get replies in minutes, not days. You always know what's happening, what's next, and what you're paying for.
Contact FIZNEX
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