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Marvellous Ogunleke
Available for Hire

Hi, I'm Marvellous

Full-Stack Software Engineer with 3+ years of experience shipping production applications. Expert in building scalable systems, AI-powered solutions, and developer tools. Passionate about clean architecture, performance optimization, and solving complex problems.Full-Stack Engineer building scalable systems, AI solutions, and developer tools.

20+
Projects
220%
Growth
40%
Engagement

Resume Preview

Name:Marvellous Ogunleke
Role:Full-Stack Engineer
Focus:React, AI, Systems
Location:Lagos, Nigeria

Click below to view full resume

Skills & Technologies

Frontend & UI

React

Next.js

TypeScript

Tailwind

Framer Motion

Backend & API

Node.js

Express

GraphQL

REST APIs

Python

Database

PostgreSQL

MongoDB

Prisma

Redis

AI & Agents

LangChain

OpenAI API

Vector DBs

RAG

System Design

Scalability

Load Balancing

Caching

Microservices

DevOps & Tools

Docker

Git

CI/CD

Vercel

20+
Projects
3+
Years
200+
Leetcode
5+
AI Apps

About Me

Full-Stack Engineer passionate about building scalable systems and AI-powered solutions. Here's my journey.

Marvellous Ogunleke

Marvellous Ogunleke

Full-Stack Developer (Frontend & Integration)

Location
Lagos, Nigeria
Experience
3+ Years

My Technical Background

I'm a Full-Stack Software Engineer with 3+ years of experience building production applications. I solve complex problems and ship code that runs at scale.

My core strengths: React/Next.js frontend, Node.js backend, TypeScript, PostgreSQL/MongoDB, and AI integrations with Microsoft AI Foundry (Semantic Kernel), LangChain, and OpenAI. I understand system design, can analyze time/space complexity, and build scalable architectures.

Currently deepening my knowledge in distributed systems, autonomous AI agents, and advancing my DSA skills with Leetcode. Every day I'm learning something new - because the best engineers are always learning.

Full-Stack Engineer with 3+ years building production apps. React, Next.js, Node.js, TypeScript, AI integration with Microsoft AI Foundry.

Currently learning: system design, DSA/algorithms, distributed systems. Always learning new technologies.

The Journey Below

Scroll down to explore my professional experience as an interactive timeline — with quantified achievements, technologies used, and detailed case studies for each role.

View full professional journey→
3+
Years Experience
20+
Projects Shipped
200+
Leetcode Solved
5+
AI Apps Built

Professional Journey

A scroll-linked narrative of my career evolution — from foundational learning to shipping production systems at scale.

Python Developer

Artify•Remote
Feb 2024 — Aug 2024

Contributed to an automated UI/UX design generation platform for non-technical users, bridging the gap between design and development.

learning and building foundations

Freelance Full-Stack Developer

Bestricky Web Agency•Remote
Sep 2024 — Present

End-to-end digital product delivery for international clients spanning media, entertainment, real estate, and B2B automation. Built and shipped 8+ production applications.

accelerating and shipping impactful products

Software Engineer Intern (Frontend & Backend)

HNG Tech•Remote
Oct 2025 — Dec 2025

Completed HNG — one of Africa's most competitive remote internships, joining over 18,000 interns globally across an intensive multi-stage program simulating a real professional engineering environment. Progressed through multiple elimination stages with stricter task requirements, developing ability to ship features fast under real production pressure.

thriving under pressure and proving skills

Software Engineering Fellow

HatchDev 3.1 (Nithub)•University of Lagos, Nigeria · On-site
May 2025 — Dec 2025

Intensive project-based training focused on modern software development. Gained hands-on experience building full-stack applications using TypeScript, React, Next.js, Node.js, Express, and databases, with deployment on AWS/Azure. Worked with key concepts in OOP, design patterns, and data structures/algorithms while collaborating on projects simulating real-world engineering workflows.

deepening engineering expertise

Full-Stack Engineer

AuraEx•Remote
Jan 2025 — Present

Architected and built a matchmaking booking system connecting small businesses with content creators, cutting booking friction and eliminating manual coordination overhead. Built accessible, responsive UI components for browsing, filtering, and scheduling with live notifications via Socket.io.

delivering scalable systems at scale

Full-Stack Developer (Frontend & Integration)

MTN•Remote
Jan 2025 — Present

Architected the frontend using React and TypeScript for a personalized AI advisory experience serving MTN's 80M+ subscriber base. Integrated Microsoft AI Foundry via Semantic Kernel, managing data flow for a 4-factor recommendation algorithm and long-term user memory. Built inclusive UX with Pidgin-language AI responses.

delivering large-scale AI systems with impact

The Journey Continues

From building design automation tools to architecting real-time matchmaking systems, my career has been about shipping products that solve real problems. Every role added a layer of expertise—now I'm ready to build the next generation of systems at even greater scale.

Technical Expertise

Core competencies I bring to build production-ready applications. I ship code that runs at scale.

Full-Stack Engineering

Building production-ready applications at scale

Key Features

System ArchitectureAPI DesignDatabase SchemaCloud DeploymentPerformance Optimization
View Related Projects

AI & Autonomous Agents

Building intelligent systems with AI

Key Features

LLM IntegrationRAG SystemsVector DBsAI AgentsAutomation Pipelines
View Related Projects

UI/UX Engineering

Crafting intuitive user experiences

Key Features

React/Next.jsTailwind CSSFramer MotionDesign SystemsAccessibility
View Related Projects

System Design & Infrastructure

Designing scalable distributed systems

Key Features

Horizontal ScalingLoad BalancingCaching StrategiesDatabase OptimizationCI/CD
View Related Projects

Let's Build Something Great

I'm always open to discussing new opportunities and challenging technical problems.

Get In Touch

My Projects

A showcase of my recent work and creative solutions. Each project represents a unique challenge and learning experience.

Interested in Working Together?

Let's discuss your next project and bring your ideas to life.

Get In Touch

Get In Touch

I'm always open to discussing new opportunities, interesting projects, or just having a chat about technology. Let's create something amazing together!

Let's Connect

Email
marvellousabiola08@gmail.com
Phone
+234 802 287 1344
Location
Lagos, Nigeria

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GitHub Activity

Check out my latest projects and contributions on GitHub

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Send Me a Message