Available for website and backend application projects

Hi, I'm Oloyede Tantoluwa Emmanuel

Web Developer building clear, useful digital experiences

I design and build responsive websites and web applications, then add dependable backend systems when the product needs more power.

5+
Projects shipped
REST
Web projects
JWT
Secure systems
SQL
Data design

Why Choose Me

Developer focused on making digital products clear, useful, and reliable.

I'm a Web and Backend Developer from Nigeria building maintainable digital products from the interface to the infrastructure.

My approach prioritizes clarity, accessibility, security, and maintainability. I care about the details people see and the systems they never have to think about.

Using HTML, CSS, JavaScript, Node.js, SQL, JWT, Database migrations, Express.js, and PostgreSQL, I turn ideas into interfaces first, then support them with APIs and real-world workflows.

Built API endpoints with indexing and query improvements to reduce response time bottlenecks
Implemented authentication and authorization with JWT, hashing, and role-based access control
Designed PostgreSQL schemas with constraints, indexing strategies, and transaction-safe workflows
Developed REST APIs with validation, pagination, filtering, and structured error responses
Delivered scheduling and booking logic with conflict prevention and state consistency checks
Improved reliability with debugging workflows, edge-case testing, and clearer failure handling
Backend Developer Workspace

My Skills

Web development first, with backend engineering for products that need a dependable foundation

Web Development

Building responsive, accessible interfaces with semantic HTML, modern CSS, JavaScript, and a strong eye for the details users feel.

Node.js & Express.js

Building scalable REST APIs, middleware systems, authentication flows, validation pipelines, and modular backend architectures.

PostgreSQL & Data Design

Relational database modelling, constraints, indexing strategies, query optimization, and transaction-safe workflows.

Authentication & Security

JWT authentication, password hashing, OTP verification systems, authorization layers, and security-conscious backend practices.

REST API Architecture

Production-grade APIs with proper status codes, validation, pagination, filtering, and scalable endpoint organization.

System Design & Testing

Scheduling systems, booking engines, edge-case analysis, error tracing, and practical workflows that stay reliable as they grow.

Web & Backend Projects

Website and web application work leads the portfolio. The first three case studies show the backend systems supporting that product mindset.

Earth viewed from orbit, representing a connected booking platform

Appointment & Booking System API

Case Study

I built a multi-role booking platform that allows customers to book services, providers to manage availability, and admins to oversee platform operations. The challenge was to balance secure workflows, business logic, and double-booking prevention without sacrificing usability.

  • Problem: Appointment systems needed reliable scheduling, role-based access, and protection against duplicate bookings.
  • My role: I designed the backend architecture, auth flow, booking rules, validation layers, and email-driven verification processes.
  • Stack: Node.js, Express 5, PostgreSQL, pg-promise, Joi, JWT, Nodemailer.
  • Outcome: Delivered a secure, production-style API with provider availability logic, booking lifecycle actions, and protected admin workflows.
3
Roles
OTP
Verification
RBAC
Security
Node.js Express.js PostgreSQL REST API JWT Auth Booking Logic
Abstract illuminated geometric structures representing digital learning technology

Fortini Care Guard LMS API

Case Study

I helped shape a backend for a cyber-awareness learning platform for care-sector workers. The goal was to support onboarding, secure admin operations, modular content delivery, quiz flows, and media management in a structured API.

  • Problem: The platform needed a reliable LMS backend with role-based access, content publishing, quizzes, and file handling.
  • My role: I contributed to the backend structure for authentication, modules, quizzes, resources, certificates, dashboards, and profile management.
  • Stack: Node.js, Express, PostgreSQL, JWT, Joi, Cloudinary, multer, Nodemailer.
  • Outcome: Built a modular API foundation that supports learning delivery, assessment, and secure admin workflows.
10+
Modules
Cloud
Media
JWT
Auth
Node.js Express PostgreSQL LMS Cloudinary Joi

Private company repository. Live links and source code are not publicly available.

City landmark and public space representing a restaurant operations experience

Restaurant Management System

In Progress

Building an Express.js backend to handle core restaurant operations orders, table management, reservations, and inventory with APIs designed for real-time service workflows.

Build progress In Progress
  • Scope: Express.js backend for orders, tables, inventory, menu items, and reservations.
  • Database: Models for menu items, orders, tables, reservations, and stock/inventory tracking.
  • APIs: Place orders, reserve tables, update inventory, and browse the menu.
  • Logic: Order processing, table availability checks, and automatic inventory updates on order completion.
  • Planned: Daily sales reporting, low-stock alerts, and an admin access panel.
5
Models
REST
APIs
Auto
Inventory
Node.js Express.js PostgreSQL REST API Inventory Reservations

Currently in active development demo and repository links will be added on completion.

Creative studio setup representing an AI video production experience

AI IRL Course Landing Page

Web Development

A conversion-focused landing page for a beginner AI video creation course, designed to make the offer approachable and move visitors toward a WhatsApp conversation.

  • Experience: Hero video showcase, filterable student work, curriculum modules, pricing, social proof, and FAQs.
  • Interaction: Responsive mobile navigation, expandable content, WhatsApp registration flow, and mailto contact handoff.
  • Stack: HTML5, Tailwind CSS, vanilla JavaScript, Lucide icons, Google Fonts, and local MP4 media.
Tailwind CSSJavaScriptResponsive UIConversion UX
Soft editorial flowers representing the refined Savora restaurant experience

Brew Haven Cafe Restaurant Website

Web Development

I designed and developed a polished restaurant landing page that balances visual storytelling with practical conversion paths. I focused on responsive composition, reusable CSS patterns, lightweight vanilla JavaScript interactions, semantic HTML, accessible controls, performance-minded image loading, and a consistent brand experience across the full page..

  • Experience: Full-screen hero slider, menu discovery, restaurant story, chef and events sections, and reservation intent.
  • Interaction: Responsive navigation drawer, animated slider controls, preload state, scroll-aware header, and parallax details.
  • Stack: HTML5, CSS3, vanilla JavaScript, Ionicons, Google Fonts, and a local image library.
HTML5CSS3JavaScriptRestaurant UX

Contact Me

Have a web or backend project in mind? Send a message and I typically respond within 24 hours.

Get In Touch

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