👋Hey there, I'm

Vinyl Davyl

I'm

About Me

Hi, I'm David Okononfua.

I'm an innovative, detail oriented developer passionate about combining beautifully structured codes with nice interfaces and flawless functionalities. I develop and build web interfaces from simple landing pages to multi-paged web applications. My goal has always been to reconnect with craftmanship & efficiently utilize available tools and techniques to build high performant products and efficent systems.

I derive pleasure in learning new and better ways of doing things and building with efficient codes, Well what can I say, I sincerely love working on ambitious projects with positive people and currently exploring the web3 and backend space more hoping to make a full switch.

view resume



Profile

I had love to collaborate with other developers, designers, build teams and start-ups in real time.

  • FULLNAMEOkononfua David O
  • PHONE +234 9122307761
  • CITY Lagos City, Nigeria
  • EMAIL okononfuadavid@gmail.com

Sometimes I play around and write soft skill articles based on things I've learnt over the course of my career.

Skills

I use top level development methods. With the variety of technologies I work with, a strong attitude to follow and learn trending technologies and standards of the industry, you can be sure to get the very best.

Technologies and Skills

With proficiency in core Front-end technologies and wide-range experience in building web dynamic components. I build web applications and products using technolgies such as ReactJS, Redux, VueJS, Vanilla JavaScript, TypeScript, (S)CSS, NextJs, Astro, Bootstrap, Tailwind, Python, MongoDB, MUI, Vuetify and more.

Tools and packages

With emphasis on accessibility, Blueprints, On the Job, Building and Deployments. I use development tools like Git, Node Package Manager(npm), Github, Terminal, Firebase, GSAP, Netlify, Figma, Visual Studio, Chrome Dev Tools, Vercel, Jest, GFonts and amongst others.

My Projects

I use top level development methods

Intuitive and design minded, I strive to create beautifully structured web interface with seamless user experience and functionalities. Here are some of my projects, be sure to get the very best.

  • All
  • App
  • Web

Paramount Students

Platform that helps in connecting students with the right Universities Abroad, Pursuing their Dream Education and Career Goal. All in one Service and App!

Talku Talku

Next-Gen Social Mini Communication platform for Inner circle Cliques and Pals. ChitChat, Send Pictures, Emojis and more to friends and foes.

Zapi AI

For businesses & developers offering a wide range of APIs and ML AI that helps automate processes, gain insights from data, and more.

BuyArena

All-in-one marketplace for renting, buying, and selling products with ease for local communities.

Travel AirBnb

Airbnb UI clone and starter using Next.js and Styled-Components, Features include Todo: Search functionality and Mapbox integration.

Zero Complex

Provides AI-driven solutions and technology for businesses, focusing on automation, data analytics, and custom software development.

Zuri Chat

ZuriChat is Slack for Africa made by Africans. It's a language agnostic app that makes team communication faster & easier with adds-on.

Versus Dashboard v2.0

Versus Admin. Is a Multipaged React Dashboard, featuring widgets, activity charts, data tables and paginations, user page, product page, blog, login and registeration.

The Palms

Offering luxury, cuisine and pleasure. This fictional crib is a four paged site built with style sheet and Jquery.


Other projects

I've also got some personal projects where I put into action some of the things I have recently learnt:

Resume

Who is Vinyl Davyl?

Okononfua David

Frontend Developer

I'm a frontend software developer, passionate about solving problems with codes and transforming ideas from pixels to scalable products.

I create usable applications with user experience as a top priority using various web tools, languages and technolgies.

Education

OpenClassrooms

2020 - present

Software Developer

Under the software developers path at OpenClassrooms, I'm currently under a learning curve on advancing my development forte, learning solid technical expertise and maintaining an end user focus on web services, All under a developers Diploma program for software engineers.

University of Benin, Benin City

2018 - 2024

Bachelor of Eng

Bachelor of Engineering - BE. Majors in Electrical and Electronics Engineering at University of Benin.

Professional Experience

EasySpend Finance

Jan 2025 - Present

Frontend Engineering Lead

Errandaar

May 2024 - Dec 2024

Software Engineer

ZeroComplex AI

Jul 2023 - Aug 2024

Founding Frontend Engineer

  • Co-built AI workflow automation platform integrating 15+ enterprise tools (Slack, Gmail, Salesforce), automating processes and reducing manual task time by 65%.
  • Developed Doculess AI document platform processing 11,000+ documents monthly with 94% accuracy and ZC Blocks component library with 80+ components used across 8 products.
  • Optimized company Astro.js website implementing lazy loading and code splitting, boosting page speed by 40% and user engagement by 30%.

Zummit Africa

Apr 2022 - Jun 2023

Software Engineer

  • Delivered API marketplace platform supporting 5,000+ weekly users with React, TypeScript, and Redux Toolkit, reducing bounce rate by 20%.
  • Built and maintained a comprehensive admin dashboard to track API usage, manage listings, and perform administrative operations, improving internal monitoring and reducing support requests by 30%.
  • Optimized 400+ application pages through code splitting and caching strategies, cutting load times by 50% and improving Lighthouse performance from 60 to 95.
  • Developed an official company landing page generating a 70% increase in leads and collaborated on an API hub enabling discovery and management from a unified dashboard.

Scelloo

May 2021 - Nov 2021

Frontend Engineer

  • Built CloudenlyHR platform handling 1,500+ users across 50+ organizations with responsive React components.
  • Developed real-time visualization dashboard with D3.js and Recharts, improving data delivery efficiency by 40%.
  • Created Project Nect CMS reducing content update time by 60% and converted designs to pixel-perfect code with 98% fidelity.

What I Offer

I value simplicity and clarity so I design easy to use and engaging interfaces for desktop and mobile, with an eye for detailed design, Color theory and psychology. Here are the services I offer:

Web Development

I create fast, beautiful, cost-effective and efficient websites and web applications with perfect scores in performance, SEO and best practices.

Speed

You can be rest assured of continous Integration and delivery at the fastest possible time frames without having to lose out on product quality.

State of the Art Solutions

I involve best practices regarding accessibility, security and usability resulting in appropriate design, secure websites and fast load times.

Let's build something together

You have got a finished design or an existing project and clear picture of how your web application or website should work? Or perhaps you are looking for a developer to collaborate with on your team?

Wherever you are, I would be happy to help! And if it seems very urgent, just put up a call!

Location:

Lagos State, Nigeria

Call:

+234 9122307761

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