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5 Features Every Custom Online Store Needs to Have

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Hire dedicated developers for custom web development, mobile apps, or NFT marketplaces. On-time delivery, transparent pricing, and direct team access tell us your project idea and we'll reply within a few hours. No obligations.

Let's Build Your Custom Web, Mobile or NFT Project

Hi! I want to hire developers for my project with FIZNEX.

We build custom websites and web applications from scratch — no templates, no shortcuts. Whether you need a business website, admin panel, SaaS platform, or full web app, we handle frontend to backend development.

We use React.js, Next.js, Node.js, NestJS, MongoDB, and PostgreSQL. From APIs to dashboards and auth systems, everything is fully custom-coded.

As a trusted web development agency, we deliver scalable, clean code with direct developer access. Hire dedicated developers for your next project.

Custom Web Development

We build custom mobile apps for iOS and Android—native and cross-platform. As a trusted mobile app development company, we manage everything from idea to App Store & Play Store launch: design, coding, APIs, payments, push notifications, and deployment.

We offer React Native, Flutter, Swift, and Kotlin development for MVPs to enterprise apps. Hire dedicated developers for fast, scalable, store-ready mobile apps with clean code and on-time delivery.

Mobile App Development

We build custom CRM software development from scratch—not Salesforce or HubSpot templates, but fully custom systems tailored to your business. Hospital CRM, sales CRM software, real estate CRM software, education CRM, B2B CRM software, or CRM software for small business—we code it all A to Z.

Our CRM development services include CRUD, lead tracking, appointments, billing, invoicing, role-based access, dashboards, reports, notifications, and integrations.

Built with React, Next.js, NestJS, PostgreSQL. Hire dedicated developers for scalable custom CRM solutions.

CRM Development

We don’t use templates—everything is built from scratch. We built MaybeArt, a Solana NFT marketplace with live auctions, real-time bidding, staking, governance, artist grants (10% sales), physical/digital NFTs, and a 15+ page admin panel—40,000+ lines of code.

Our NFT marketplace development covers minting platforms, smart contracts, ERC20 tokens, DeFi staking, and full Web3 development.

Hire dApp and NFT developers for Solana, Ethereum, Polygon, BSC, TON, and TRON. We deliver NFT sites, minting platforms, and complete blockchain apps with full ownership transfer.

NFT & Blockchain Development

We build real estate websites and property management software from scratch—custom PMS, real estate CRM, and vacation rental systems. From property listings, search, agent profiles to tenant management, rent collection, leases, and maintenance requests, we code it all.

Our PMS competes with AppFolio, Buildium, Guesty, Hostfully. We’ve handled StayCasa, Zeevou-style migrations, iCal sync, Beds24, AI pricing, and booking workflows.

We also build MLS integration, lead tracking, agent websites, mobile apps, Airbnb clones, and real estate CRMs. Hire dedicated developers for scalable real estate software.

Real Estate & Property Management

Something broken? White screen, API not working, build failing, server down, plugin conflicts, or database errors? We fix it fast. Our bug fixing and website debugging services cover web apps, mobile apps, backends, databases, and APIs—we find root causes and fix within 24 hours.

We provide WordPress support & maintenance for layout issues, plugin conflicts, theme errors, WooCommerce issues, security fixes, and full site management.

We also debug React, React Native, Next.js, and Node.js apps—from console errors to production crashes. Hire developers for one-time fixes or ongoing support.

Bug Fixing & Error Solving

We provide complete hosting & server management—WordPress, VPS, cloud, and managed hosting on AWS, DigitalOcean, Hostinger, Linode. Setup + support included.

Server admin: domain setup, SSL, Nginx, PM2, DBs, backups, CI/CD, 24/7 monitoring on Linux, Ubuntu, AWS EC2.

DevOps: cPanel, AWS consulting, SSH hardening, crypto miner removal, multi-port deploy, Elastic IP, DNS, UFW, fail2ban, Certbot SSL, reverse proxy. 99.9% uptime, fast fixes. Hire DevOps experts.

Hosting & Server Management

We publish your app on Google Play Store and Apple App Store—full app store publishing service from setup to launch. We handle Developer accounts, App Store Connect, Play Console, listings, screenshots, icons, privacy policies, and review submissions.

We also provide ASO, keyword research, descriptions, and screenshot design for better visibility.

If rejected, we fix issues (IAP, age rating, privacy, content) and resubmit. We also manage updates and maintenance. Hire dedicated developers for full app store launch service.

App Store Publishing

do expert ai powered react native app development	 do expert ai powered react native app development

do expert react native app bug fixing development in 24 hours	 do expert react native app bug fixing development in 24 hours

publish react native expo app to app store play store fix rejection	 publish react native expo app to app store play store fix rejection

design custom nfts and develop your nft marketplace with web3	 design custom nfts and develop your nft marketplace with web3

fix bugs and issues in javascript, react, node, next js, wordpress, or shopify	 fix bugs and issues in javascript, react, node, next js, wordpress, or shopify

develop android and ios mobile apps using react native and node js	 develop android and ios mobile apps using react native and node js

develop a full stack mern website with next js and SEO optimization	 develop a full stack mern website with next js and SEO optimization

Hafiz Ahmad (AI Mobile & Web Developer | React Native | Flutter | Next.js)

Shahmir (Mobile & Web App Developer | React Native | Blockchain | Next.js)

Custom Web, Mobile App & NFT Development Company

Wholesale & Supply Chain

DePIN / AI Infrastructure

Dating & Relationship Platform

Finance

E-Commerce

Cybersecurity

Logistics & Delivery

Crypto Trading Platform

Healthcare

Online Shopping

Gaming & Entertainment

Gaming & GameFi

Patient management

Clothing Stores

Travel & Navigation

NFT Marketplace

Medical CRM solutions

Vehicle Rental & Transportation

Crypto Art

House Cleaning Services

Web Development

Social Media App

Maid Service

Pet Services & E-Commerce

Delivery App

Blockchain & Web3

Real Estate

Dating app

E-Commerce Solutions

Digital Agency & Marketing

Rent A Car

DevOps & Cloud Infrastructure

Car Rental & Transportation

Puzzle Games

CRM & Business Systems

Online Games

Food & Restaurant

Travel App

Vehicle Rental

Crypto & Gaming

Education

Freelancer Marketplace

Automotive

Dating App

Social Media

Delivery Platform

Book apartments online

Livestock

Investing

Budgeting App

Patient Management

Threat Detection

Cloud Security

Apartments For Rent

Real Estate Agent

Bug Fixing & Maintenance

Peer-to-peer furniture and large-item delivery app customers post jobs with photos, nearby drivers bid, live tracking and Stripe payments built in.

GetDropGo Peer-to-Peer Furniture Delivery App iOS Android

Delivery management software admin panel manage contractors, dispatch, payments, reviews, blog CMS, and support tickets in one dashboard.

GetDropGo Admin Panel Delivery Management Dashboard

Marketing website for GetDropGo — a peer-to-peer furniture delivery and moving help platform connecting customers with local movers in the US. Built in Next.js.

GetDropGo Furniture Delivery & Moving Help Marketplace

Cloud-based veterinary practice management software with multi-role dashboards, electronic medical records, surgery tracking, lab management, and inventory.

DVM Vision — Veterinary Practice Management Software CRM

Marriage-focused dating app built in React Native — swipe matching, real-time chat, video calls via Agora, identity verification, and premium subscriptions.

Spoused — Marriage Dating App for iOS & Android (Case Study)

See how Fiznex built a custom React admin dashboard for Spoused user management, transactions, analytics & reporting on Next.js. Live case study inside.

React Admin Dashboard for Dating App Spoused Case Study

Multilingual marketing website for Spoused a marriage-focused dating platform for serious singles, with profile signup, life partner search, and iOS & Android.

Spoused — Marriage Dating Website for Serious Singles

High-performance growth marketing agency website for a Paris B2B firm — built with Next.js 15, React 19, and headless WordPress to attract leads and convert.

Uclic — Paris Growth Marketing & AI Agency Website (Next.js)

Practical tutorials, code guides, and lessons from real software development projects. Written by developers building React Native, Next.js, and Solana apps.

Software Development Articles & Guides

If you've been reading our blog, you already know we deliver quality custom software. Let's put that expertise to work on your project.

Need Help With Your Development Project?

Real software development projects for real clients. Browse our completed work web apps, mobile apps, NFT marketplaces, and custom platforms built from scratch.

Web Developer Portfolio Examples

 We can build something similar for you or something completely custom. Let's talk about your software development project.

Like What You See?

We'd love to build something similar for your business. Drop us a message and let's discuss your custom development requirements.

 Want a Custom Project Like This?

Web apps, mobile apps, NFT marketplaces, blockchain, e-commerce, and custom CRMs  full-stack software development services for businesses worldwide.

Custom Software Development Services

Tell us what you need web app, mobile app, or NFT platform and we'll send you a quote. Free consultation, no obligations.

Need Custom Software Built?

The dedicated developers behind every project. A small full-stack team with big skills and even bigger commitment to your custom software.

Meet the Software Development Team

Whether you need custom software built or want to join our development team we'd love to hear from you.

Want to Hire Our Development Team?

Don't take our word for it hear from real clients who've hired our development team. Honest reviews from completed software projects worldwide.

 What Our Development Clients Say

Join 50+ businesses worldwide who trust FIZNEX with their custom software projects. Let's build something great togethe

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Tips, tutorials, and insights from our development team. Real lessons from building React Native apps, NFT marketplaces, and custom websites.

Latest Articles & Guides

Real software development case studies. Custom code built from scratch, delivered on time, running in production for clients worldwide.

Projects We've Delivered

From custom websites and mobile apps to NFT marketplaces and blockchain platforms we build dedicated software development solutions, from scratch.

Meet the Software Development

Don't take our word for it  hear from real clients who've hired our development team. Honest reviews from completed projects.

What Our Development Clients Say

Here's what our development team is building right now. Real custom software projects, real progress check back for live updates.

Active Development Projects

Hire dedicated developers for custom web development, mobile apps, NFT marketplaces & blockchain platforms. Full-stack development agency. Free consultation.

FIZNEX - Web, Mobile App, NFT CRM Development Agency

Custom web development, React Native mobile apps, Solana NFT marketplaces, and full-stack platforms. Direct developer access on-time delivery. Get a free quote.

FIZNEX Hire Web, Mobile & NFT Developers Worldwide

5 star merited and i'm grateful for the support and extra work ..

I feel lucky to have found him here . He is not only a coding expert but also a very understanding person . I thank you so much sir for the help and excellent delivery..

One of the best developers I've worked with on Fiverr. Very skilled, honest, and hardworking. Delivered everything on time mobile app, website, admin panel, all fully functional. The chat and video calling features work flawlessly. He also helped with app store submissions and handled multiple resubmissions patiently. What impressed me most was his dedication he kept going until everything was perfect. If you need a reliable full-stack developer, look no further.

Hafiz is always a great guy to work with and it is with great satisfaction giving 5 star on every delivery

1st milestone job done well and delivered on time

I had a very good experience working with this seller. The project was completed professionally and all deliverables are working as expected. The seller communicated clearly, understood my requirements well, and was very cooperative throughout.
I am satisfied with the quality of work and professionalism. I would definitely recommend this seller and would be happy to work with them again in the future.

Hafiz is awesome. He listened to everything I said and delivered in a timely fashion. He also brought things to my attention that I had not considered. Hire him now!!!!

The developer was very good, he did a great job

FIZNEX offers customized software development services with a dedicated development team that owns every project end-to-end. Direct developer access, transparent pricing, and custom enterprise solutions — no middlemen, no outsourcing.

No templates, no shortcuts. Every website, mobile app, and system is custom-coded from scratch by our in house development team

Customized Software Development

Talk directly to the developers building your product. No middlemen, no account managers blocking communication. A team that owns your project

Dedicated Development Team

We set realistic deadlines and hit them. Weekly progress updates, agile sprints, and transparent timelines you always know what's coming next.

On-Time Project Delivery

React Native, Next.js, Node.js, TypeScript, PostgreSQL, Solana we use the latest tools that actually matter for scalable, production-ready software.

Modern Tech Stack

Clear upfront pricing with no surprise invoices. Fixed-scope quotes or hourly rates you choose what fits your project best.

Transparent Pricing

We don't disappear after launch. Bug fixes, updates, scaling support, and enterprise-grade maintenance for the long-term success of your product.

Enterprise-Grade Support

Customized software development no templates

On-time delivery with agile development process

Direct access to your dedicated development team

Transparent pricing no hidden costs, ever

Modern tech stack React Native, Next.js, Solana

200+ custom projects delivered for global clients