John Valentine

John Valentine
Get to Know Me

Passionate About Building Real-World Tech Solutions

This portfolio showcases my journey across multiple technology domains — from blockchain and distributed ledger technologies to traditional web development, mobile applications, and embedded systems.

20+
Projects Built
3+
Years Experience
6+
Awards Won
Specialization Blockchain & Backend Dev
Experience Level Mid-Level Professional
Education B.Sc Software Engineering
Location Abuja, Nigeria

Resume

My academic background, professional experience, and certifications across software engineering, blockchain, and embedded systems.

Soft Skills

Communication Mentoring Problem Solving Leadership Project Management Teamwork Curriculum Design Data Analysis Time Management Public Speaking Writing Rapid Research & Learning Customer Service Diverse Tech Stack

Core Technical Skills

Languages

Frameworks & Tools

Professional Experience

Coding Mentor

Nov 2025 — Present

Learn2Earn

  • Guide students using the peer-to-peer learning platform.
  • Conduct code reviews and offer mentorship support.
  • Monitor learners' progress and report challenges or bugs.
  • Perform database queries for analytics and insights.

Blockchain Developer

Jul 2025 — Present

Web3Bridge

  • Implemented a DAO for voting on proposals.
  • Implemented secure data storage on blockchain while optimising performance.
  • Implemented an AI marketplace on blockchain.

Project Team Lead

Jul 2024 — Oct 2024

Know the Blocks Maven (KBM)

  • Led a team implementing a layer 2 scaling solution.
  • Applied elliptic curve cryptography concepts to programming.
  • Developed custom bank and token using Solidity.
  • Performed code review, deployed, and verified bank contracts on multiple networks.

PHP Intern

Jul 2023 — Oct 2023

Software Engineering Dept.

  • Developed new features and transformed UI designs into functional interfaces.
  • Identified and resolved bugs, improving app stability.
  • Collaborated with backend developers and cross-functional teams.

Education

Certifications

Projects

A selection of projects across Web3, Web2, Automation & Bots, IoT & Embedded Systems, and Graphics Design.

  • All Projects
  • Web3
  • Web2
  • Automation & Bots
  • IoT & Embedded
  • Graphics Design

Services

What I offer across software development, automation, blockchain, backend, mobile, and embedded systems.

Building solutions that
bridge tech and reality

From smart contracts to IoT systems, I deliver quality software that solves real problems across multiple technology domains.

Get In Touch

DLT & Blockchain Development

Integration of blockchain and Distributed Ledger Technology (DLT) into web2 applications. Smart contracts, DAOs, DeFi, and decentralized storage.

Backend Development

Implementation of backend systems and APIs using Node.js, Python, and Go. Scalable architectures, database design, and server-side logic.

Mobile App Development

Creation of mobile UIs that interact with backend APIs. Cross-platform mobile experiences built for performance and usability.

Embedded Systems & IoT

PCB design and embedded system development. IoT solutions integrating sensors, microcontrollers, and cloud connectivity for real-world applications.

Automation & Scripting

Building scripts, bots, and automated workflows that eliminate repetitive tasks. Shell scripting, Python automation, and CI/CD pipeline configuration.

Bot Development

Development of intelligent bots for Telegram, Discord, WhatsApp, and web platforms. From simple command bots to AI-powered conversational agents.

Awards & Recognition

Acknowledgements and achievements earned across academics, engineering, and competitive challenges.

VC Award Embedded System

Vice Chancellor Award

Embedded System — Implementation of an Automated water pumping system.

Veritas University
Award of Excellence NACOS 2024

Award of Excellence

NACOS — Outstanding academic performance in Software Engineering 2023/2024.

NACOS
VC Award IoT

Vice Chancellor Award

IoT — Development of IoT-Based smart Lighting System.

Veritas University
ATU Challenge

3rd Place — ATU Challenge

Smart Farming — Design and Implementation of a smart Farming System.

ATU
Award of Excellence NACOS 2025

Award of Excellence

NACOS — Outstanding academic performance in Software Engineering 2024/2025.

NACOS
Leadership Legacy Award

Leadership Legacy Award

NACOS — Leadership recognition in the software engineering department 2024/2025.

NACOS

Contact

Have a project in mind or want to collaborate? Let's connect.

Contact Info

Feel free to reach out via email, phone, or connect on social media.

Location

Abuja, Nigeria

Send a Message

I'll get back to you as soon as possible.

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