I build, connect, secure, and deploy full-stack web applications.

Full-Stack Web App Integration & Deployment Specialist

I build, complete, connect, secure, and deploy full-stack web applications, dashboards, portals, payments, auth, databases, documents, AI knowledge systems, QR verification, and production setup.

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Featured public work

Verifiable systems clients can inspect

Public projects are ordered around full-stack complexity: portals, dashboards, application flows, AI knowledge systems, verification, and deployment.

  1. University Website & Portal Ecosystem

    International Chaplaincy University

    Public university website and portal ecosystem supporting admissions visibility, programme access, student entry points, payment/document workflows, and institutional web presence.

    Build highlights

    • Public university website
    • Admission-facing portal structure
    • Programme-specific portal access
    • Education workflow support
    • Payment and document workflow experience
    • Institutional web presence

    Stack

    PHPMySQL/MariaDBJavaScriptHTMLCSSPaymentsDocument workflowsAdmin dashboards
    WebsiteUndergraduate PortalDiploma / SCP Portal

  2. Membership Website, Application Portal & Verification System

    Special Chaplaincy Peace Corps

    Membership and application platform covering public web presence, application start flow, identity verification, payment handling, admin operations, CBT-related workflows, and QR-code validation.

    Build highlights

    • Member application flow
    • QR identity verification
    • Token-based validation
    • Public verification page
    • Admin operations support
    • Payment workflow experience
    • CBT and membership system experience

    Stack

    PHPMySQL/MariaDBNext.jsTypeScriptConvexBetter AuthStripePHPMailerVercelNamecheap DNSQR CodesRBACAudit Logging
    WebsiteApplication StartQR Verification

  3. Controlled AI Knowledge-Base System

    Admissions FAQ AI

    Admissions FAQ chatbot designed to answer from approved programme data, track conversations, handle fallback responses, and support controlled knowledge-base improvement.

    The knowledge source shows the programme and admission data the FAQ/RAG system was trained or structured around, so demo users know what type of questions to ask. Demo access available on request.

    Build highlights

    • Controlled answers
    • Knowledge-base retrieval
    • Chat persistence
    • Fallback handling
    • Admin knowledge review
    • Source-restricted response behavior
    • Unknown-question improvement path
    • Metadata logging

    Stack

    Next.jsReactTypeScriptConvexAI/RAG ConceptsKnowledge-base designVercel
    Live DemoAdmin LoginKnowledge Source / What to Ask

  4. Cybersecurity Monitoring Dashboard

    AcadThreat MVP

    Cybersecurity dashboard MVP for monitoring alerts, suspicious activity, threat indicators, scoring, and trend visibility using simulated logs and URLHaus threat intelligence flow.

    Demo access available on request.

    Build highlights

    • Threat indicators
    • Alert dashboard
    • Scoring logic
    • Security visibility
    • URLHaus integration concept
    • Simulated log testing
    • Cybersecurity product thinking

    Stack

    Next.jsReactCybersecurity DashboardURLHausVercelSecurity alertsDashboard design
    Demo Login

  5. Responsive Creative Portfolio Website

    Dreys Creative

    Responsive portfolio website for a creative agency with polished visual sections, motion, gallery presentation, and reusable frontend components.

    Build highlights

    • Responsive frontend
    • Portfolio showcase
    • Motion effects
    • Client brand presence
    • Visual presentation
    • Reusable components

    Stack

    ReactTailwind CSSFramer MotionRadix UIVercel
    Live Website

Private case studies

Internal systems shown without sensitive exposure

These projects are presented as case studies only. Private admin links, credentials, user data, payment data, and sensitive records are not exposed.

  1. Private Case Study

    SCIU / SCPC Admin & Application Operations Suite

    Internal operations suite covering scoped admin dashboards, CP and affiliation application portals, users, payments, receipts, disputes, documents, exams, approvals, exports, application forms, PDF receipts, and deployment automation.

    Private case study. More details available during a project discussion.

    Build highlights

    • Secure admin dashboards with MFA, RBAC, audit logs, and step-up verification
    • Application workflows with email verification, payments, document uploads, summaries, and PDFs
    • Database models for users, applications, payments, receipts, disputes, documents, exams, logs, and final submissions
    • Payment operations including receipts, verification, disputes, exports, and activation
    • Exam administration features
    • Document review workflows
    • GitHub Actions deployment to Namecheap using Composer and FTP release exclusions

    Stack

    PHP 8MySQL/MariaDBCustom MVCComposer PSR-4StripePHPMailerResendmPDFMFA/TOTPRBACCSRFRate LimitingAudit LogsGitHub ActionsNamecheap

  2. Private / Institutional Case Study

    Hospital Appointment Management System

    Medical onboarding and appointment workflow system with student and doctor/admin portals, medical history submission, conflict-free scheduling, and notifications.

    Private case study. More details available during a project discussion.

    Build highlights

    • Reduced paperwork time from about 60 minutes to 3 minutes
    • Supported onboarding for 1,000+ students
    • Student and doctor/admin portals
    • Medical history submission
    • Conflict-free scheduling
    • Notifications
    • Atomic RPC operations
    • State-machine workflow logic

    Stack

    Next.jsReactSupabasePostgreSQL RPCZustandAuthenticationNotifications

  3. Product Case Study

    ShowSage Ticketing Platform

    Ticketing platform concept covering event discovery, secure payments, QR-code tickets, seller/admin management, and contactless entry verification.

    Private case study. More details available during a project discussion.

    Build highlights

    • Role-based workflows for users, sellers, and admins
    • Paystack webhook verification
    • QR ticketing and transaction workflows
    • Event discovery
    • Secure payments
    • Contactless entry verification
    • Seller/admin management

    Stack

    ReactExpress.jsMongoDBPaystackQR CodesJWTRBACWebhooks

Services

Full-stack systems clients can hire Isaac to build, Support and Launch

Application infrastructure for portals, admin operations, payments, AI knowledge tools, and workflow records.

Service - Build

  1. Full-Stack Web Apps & Portals

    I build custom web applications that match the client’s workflow. Examples from my past work include application portals, membership systems, student platforms, onboarding flows, internal tools, dashboards, forms, approvals, and document workflows.

  2. Admin Dashboards & Secure Operations

    I build secure admin areas for managing users, records, reviews, payments, documents, and operational activity. My experience includes RBAC, protected routes, MFA/step-up MFA flows, audit logs, verification flows, review queues, and operational dashboards.

  3. Payments, Webhooks & Transaction Flows

    I help connect payment flows into real applications. My experience includes Stripe, Paystack, payment attempts, webhook verification, receipt handling, payment status updates, duplicate-payment prevention, PDF receipts, and transaction-safe workflows.

  4. AI Knowledge Systems & RAG-Style FAQ Tools

    I build controlled AI/FAQ systems that answer from approved knowledge instead of guessing. My experience includes knowledge-base structuring, source-restricted answers, Convex-powered retrieval, fallback handling, unknown-question logging, chat persistence, metadata logging, and admin knowledge review.

  5. Database Modeling & Workflow Records

    I design data structures for systems with real operational records. My experience includes users, roles, applications, payments, receipts, disputes, documents, exams, verification logs, audit logs, security logs, chat messages, form sections, attempts, and workflow records.

Service - Launch

  1. DNS, Domains & Multi-Host Setup

    I help connect domains, subdomains, and hosting platforms so applications open correctly in production. My experience includes Cloudflare, Namecheap, cPanel, Vercel, CNAME/A/TXT records, SSL mode, proxy settings, DNS validation, and hybrid hosting setups.

  2. Cloudflare, Namecheap & cPanel Debugging

    I help troubleshoot domain and hosting issues across Cloudflare, Namecheap, cPanel, Apache, and app folders. My experience includes subdomain setup, Apache recognition, .htaccess routing, folder mapping, index fallback fixes, default hosting pages, SSL issues, and propagation delays.

  3. Vercel, cPanel & Shared Hosting Deployment

    I deploy and configure web applications across modern and shared-hosting environments. My experience includes Next.js deployment on Vercel, PHP/Composer deployment on Namecheap/cPanel, GitHub Actions FTP deployment, environment setup, production configuration, and release troubleshooting.

  4. Local Development Domains & Stable Demo URLs

    I set up local and temporary development access for testing apps properly. My experience includes Windows hosts file setup, Apache VirtualHost, .env URL configuration, XAMPP, custom .local domains, DNS cache flushing, and Cloudflare Tunnel stable HTTPS demo URLs.

  5. Business Email & Transactional Email Setup

    I help set up app and business email flows for real system use. My experience includes Resend, PHPMailer, Nodemailer, Google SMTP, ZeptoMail, Cloudflare Email Routing, SPF/DKIM/DMARC, OTP emails, verification/reset emails, contact forms, and app notification emails.

Service - Support

  1. Technical Documentation & Client Handoff

    I prepare documentation that helps clients, users, or future developers understand the system. My experience includes setup guides, deployment runbooks, DNS playbooks, troubleshooting notes, user guides, system documentation, training materials, and AI-agent implementation instructions.

  2. AI-Assisted Development Workflow Setup

    I help structure development work so AI tools and coding agents follow the right plan. My experience includes AGENTS.md files, implementation chunks, Codex/Copilot workflow control, tmux session guidance, debugging checklists, and safe staged development workflows.

Tech stack

Tools used across web app delivery

Grouped by the work clients usually need: interfaces, backends, databases, auth, payments, email, DNS, deployment, AI systems, and documentation.

  1. Frontend

    ReactNext.jsTypeScriptJavaScriptTailwind CSSShadcn UIRadix UIFramer MotionBootstrap

  2. Backend

    PHP 8+Node.jsExpress.jsConvexREST APIsComposerCustom MVCService-Oriented Architecture

  3. Databases

    MySQLMariaDBPostgreSQLSupabaseMongoDBConvex DatabasePDOSQL Migrations

  4. Auth & Security

    Better AuthAuth.jsAuth0Custom AuthJWTRBACMFA/TOTPCSRFbcryptRate LimitingAudit Logs

  5. Payments & Email

    StripePaystackResendPHPMailerNodemailerGoogle SMTPZeptoMailCloudflare Email RoutingWebhooks

  6. DNS, Hosting & Deployment

    VercelNamecheapcPanelCloudflareGitHub ActionsFTP DeploymentDNS RecordsSubdomainsCloudflare Tunnel

  7. AI & Knowledge Systems

    Controlled FAQ SystemsRAG-Style WorkflowsConvex SearchRetrieval LogicFallback HandlingChat Persistence

  8. Documentation & Workflow

    Technical WritingSystem DesignRunbooksUser GuidesAGENTS.mdImplementation ChecklistsAI-Assisted Development

Start with the production problem

Send me your app link, current problem, and what needs to work in production.

Email MeView ResumeView LinkedInCall +234 903 165 9099