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Business Web Application Developer · Lagos, Nigeria

I Build Modern Business Web Applications That Help Companies Grow.

I design and build custom web applications that replace spreadsheets, paper logs, and manual processes with systems that run your business — inventory platforms, booking engines, CRMs, and admin dashboards built around how your company actually operates.

View My Projects Contact Me
4+ Production Systems Shipped
100% Custom‑Built, No Templates
< 48hrs Typical First Response
system.console — production
0Orders Synced
0Active Users
0Uptime
Firebase‑Backed Architecture
Deployed & Live on Netlify
Version‑Controlled on GitHub
Fast, Responsive Delivery
Featured Work

Proof, not promises — see the systems in action.

Every project below is a live, production application solving a real business problem. Explore the demo, review the code, or log in with a demo account to see it working firsthand.

Inventory Management System dashboard showing total products and low stock alerts
Inventory Management

Inventory Management System

A complete inventory solution that helps businesses monitor stock levels, manage products, reduce inventory errors, and improve operational efficiency — replacing manual spreadsheets with a live system your whole team can trust.

  • Real‑time stock tracking
  • Low‑stock alerts before you run out
  • Role‑based admin & staff access
  • Product & category management
  • Full activity & movement history
HTML/CSS/JSFirebase AuthCloud FirestoreNetlify
Live Demo GitHub Repository
Aurelio Hotels booking website homepage
Hospitality

Hotel Booking & Management System

A complete reservation solution that helps hotels manage room availability, streamline guest bookings, eliminate double‑bookings, and give front‑desk staff a faster, more reliable way to run daily operations.

  • Live room availability
  • Guest booking & check‑in flow
  • Staff‑side admin dashboard
  • Reservation calendar
  • Automated double‑booking prevention
HTML/CSS/JSFirebase AuthCloud FirestoreNetlify
Live Demo GitHub Repository
Ember and Salt restaurant ordering website homepage
Food & Beverage

Restaurant Ordering & Management System

A complete ordering solution that helps restaurants manage menus, route orders straight to the kitchen, track order status in real time, and cut down the delays and mix‑ups that come with manual order‑taking.

  • Digital menu management
  • Live order routing to the kitchen
  • Real‑time order status tracking
  • Staff & admin roles
  • Sales & order reporting
HTML/CSS/JSFirebase AuthCloud FirestoreNetlify
Live Demo GitHub Repository
Business CRM dashboard showing total customers, new leads, and deals
Sales & Customer Management

Business CRM System

A complete customer relationship solution that helps sales teams organize leads, track deals from first contact to close, and keep every customer interaction in one place — so no opportunity slips through the cracks.

  • Lead & deal pipeline
  • Full customer activity history
  • Multi‑role team access
  • Task & follow‑up tracking
  • Reporting dashboard
HTML/CSS/JSFirebase AuthCloud FirestoreNetlify
Live Demo GitHub Repository
DO
Duke Oberhiri

Business Web Application Developer
Lagos, Nigeria

About Me

I build the systems businesses run on.

Most businesses don't lose money because they lack customers — they lose it because their operations run on spreadsheets, WhatsApp messages, and processes held together by memory. I build the web applications that replace that chaos with something structured: a system your team can rely on every single day.

My work is centered on one goal — understanding how a business actually operates, then translating that into software. Whether it's tracking stock levels in real time, managing hotel reservations without double‑bookings, routing restaurant orders to the kitchen, or giving a sales team a single place to manage every customer relationship, I build the application around the workflow, not the other way around.

Every system I ship is production‑ready: secure authentication, real‑time data, role‑based access for admins and staff, and a live deployment your team can start using immediately. I work closely with business owners from the first conversation to the final handover, because the best software is built with the people who'll actually use it.

Business‑First Thinking Every feature maps back to a real operational need.
Production‑Ready Builds Live, deployed systems — not prototypes or mockups.
Full Ownership From architecture to deployment to handover.
Ongoing Partnership Maintenance and support after launch, not just at delivery.
What I Offer

Services built around how your business runs.

From the first line of code to the domain that carries your brand — a complete, end‑to‑end build.

Custom Business Web Applications

Purpose‑built software designed around your exact workflow — not a generic template stretched to fit.

Inventory Management Systems

Real‑time stock tracking, low‑stock alerts, and reporting so you always know what's on hand.

Hotel Booking Systems

Room availability, reservations, and guest management with zero double‑bookings.

Restaurant Ordering Systems

Menu management, live order routing, and kitchen‑ready dashboards for faster service.

CRM Systems

Track leads, customers, and deals in one place — with a full activity history your team can trust.

Admin Dashboards

Role‑based control panels that give owners and staff exactly the visibility they need.

Firebase Integration

Authentication, real‑time database, and cloud storage wired in securely from day one.

Website Deployment

Fast, reliable hosting and go‑live setup so your application is live and accessible.

GitHub Integration

Clean, version‑controlled codebases so your project history is always tracked and recoverable.

Custom Domain Setup

Connect your own domain with SSL configured, so your brand looks professional from the URL bar.

Website Maintenance

Ongoing updates, monitoring, and fixes so your system keeps running smoothly after launch.

Technical Toolkit

The stack behind every build.

A focused, production‑proven toolkit — no unnecessary frameworks, just tools that ship reliable software.

HTML
Structure & semantics
CSS
Layout & design systems
JavaScript
Application logic
Firebase Authentication
Secure user access
Cloud Firestore
Real‑time database
Firebase Storage
File & media hosting
GitHub
Version control
Netlify
Hosting & deployment
Custom Domain Configuration
DNS & SSL setup
How I Work

A clear process, from first call to launch.

Every project follows the same five stages — so you always know what's happening and what comes next.

01

Discovery & Requirements

We start with a conversation about how your business actually operates — your workflow, your team, and the specific problems you need solved. This shapes everything that follows.

02

Architecture & Design

I map out the system structure — data model, user roles, and interface — and design the application around clarity and ease of use for your team.

03

Development & Integration

I build the full application with Firebase authentication, real‑time data, and every feature agreed on — with regular check‑ins so you can see progress as it happens.

04

Testing & Deployment

The system is tested across devices and roles, then deployed live — connected to your domain if needed, with SSL and hosting fully configured.

05

Support & Maintenance

Launch isn't the finish line. I stay on to handle updates, fixes, and improvements as your business — and its needs — continue to grow.

Questions

Frequently asked questions.

Most custom business applications take between 2 and 6 weeks depending on scope — a focused admin dashboard moves faster than a full multi‑role system like a CRM or hotel booking platform. I'll give you a clear timeline after our discovery conversation.

Firebase is my primary backend for authentication, real‑time data, and storage because it lets me ship secure, scalable systems quickly without unnecessary infrastructure overhead. Every front end is hand‑built with HTML, CSS, and vanilla JavaScript — no bulky frameworks slowing things down.

Yes. Every project in my portfolio has a live demo you can explore right now, including demo admin and staff accounts, so you can see exactly how a finished system looks and feels before starting your own build.

Yes. I deploy every application to production, connect it to your custom domain, and configure SSL so it's live and secure under your own brand from day one.

I offer ongoing maintenance and support after launch — monitoring, updates, bug fixes, and new features as your business needs evolve. Software isn't a one‑time delivery; it grows with your business.

Yes. I work remotely with business owners and teams anywhere in the world. Communication happens over email and WhatsApp, and every system is deployed to the web — accessible from any location.

Get In Touch

Let's build the system your business needs.

Tell me about your business and the problem you're trying to solve — I'll follow up with next steps.

Location

Lagos, Nigeria

Availability

Open for new projects

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Let's Work Together

Ready to Build Your Business Application?

Let's talk about your business and the problem you need solved. I build modern, secure, and scalable web applications — inventory systems, booking platforms, CRMs, and admin dashboards — tailored to how your company actually operates, and delivered as a live, production‑ready system.

Contact Me Start Your Project