A Little About Me
I’m Kasimu Kluivert (Denzel) — I design and engineer web systems that simplify user decisions and business outcomes.
For me, code isn’t just about syntax; it’s about creating seamless experiences that solve real problems. I focus on building digital experiences that are clean, human-centered, and easy to use because technology should never get in the way of the people using it.
Experience
Pacific Professionals | Lagos, NG
Software Engineer
Contributed to the design and development of digital products and web platforms thatsupport business operations, customer engagement and digital growth andontributed to the design and development of digital products and web platforms thatsupport business operations, customer engagement and digital growth,Translated client requirements and business objectivesinto functionalsoftware
Stackria | Port Harcourt, Nigeria
Frontend Engineer
Contribute to the development and maintenance of production web products using Next.js, React, and modern frontend development practices. Work within the engineering team to build and extend reusable components, interfaces, and product features. Collaborate with engineers and stakeholdersto translate product requirementsinto functionalsoftware. Participate in the development lifecycle, including implementation, testing, debugging, code review, refinement, and deployment.
Techcify | UK
Software Developer
Contributing to the development of an AI-powered AWS certification learning platform. Collaborated with the team to implementstructured UI/UX improvements and mock wireframesinto functional pages. Integrated APIs with Prisma ORM and helped debug server/client data flow acrossthe App Router.
AG3 Management | Pittsfield, USA
Frontend Engineer
Worked as a Frontend Software Engineer, developing and maintaining web applications based on business and product requirements. Built frontend features and user interfaces using modern web development technologies, with a focus on responsive and maintainable code. Worked with Antigravity and AI coding agents as part of the development workflow to accelerate implementation, investigate problems, and improve existing code. Reviewed, modified, and integrated AI-generated code rather than relying on generated output without testing or validation.
Skills & Tools
Frontend & UI
- React
- Next.js
- TypeScript
- JavaScript (ES6+)
- Tailwind CSS
- Framer Motion
- HTML5/CSS3
Backend & Systems
- Node.js
- Express.js
- MongoDB
- REST APIs
- Authentication
- Payment Systems
Dev Tools & Cloud
- AI Coding Agents
- Git
- GitHub
- Vercel
- Netlify
- Postman
Specializations
- Performance Tuning
- Technical SEO
- Accessibility (a11y)
- Responsive Design
- UI/UX Engineering
What I Offer
Every business has unique challenges, and I focus on creating digital solutions that are both functional and impactful.
Web Development
Modern, responsive, and ultra-fast websites tailored to your business needs with clean code and high performance.
Full-Stack Solutions
End-to-end web applications with React/Next.js frontends, Node.js/Express backends, and robust database architectures.
AI Assisted Engineering
Building modern web system with agentic ai systems and tools to accelerate development and improve product quality.
UI/UX Implementation
Pixel-perfect, interactive interfaces built with fluid micro-animations, strict accessibility, and mobile-first precision.
API & Systems Integration
Connecting platforms with payments, authentication, third-party microservices, and custom webhook workflows.
Performance & SEO Reviews
Boosting Lighthouse scores, Core Web Vitals, usability heuristics, and search engine visibility for higher conversions.