HiggIns

HiggIns

HiggIns

BASED IN abuja

NIGERIA

Building Digital Systems
worldwidE

Product Engineer

&
Interface Architect

01

//INTRO

INTRO

01

INTRO

I'm DAUDU jOSEPh HIGGINS.

I'm DAUDU jOSEPh HIGGINS.

A multidisciplinary creative working across product design, web development, and sound, blending aesthetics with functionality.

A multidisciplinary creative working across product design, web development, and sound, blending aesthetics with functionality.

02

//expertise

core expertise

I design and build thoughtful digital experiences.

I design and build thoughtful digital experiences.

SYSTEMS ENGINEERING

Designing and implementing scalable, production-grade backend and frontend architectures built on API-first principles, enabling modular, extensible systems with seamless third-party integrations and embedded AI capabilities.

PRODUCT & INTERFACE ARCHITECTURE


Designing clean, high-performance dashboards, structured user journeys, and scalable digital systems that prioritise clarity, usability, and intentional interaction at every touchpoint which involves transforming complex workflows, data sets, and feature-rich platforms into visually coherent, logically structured interfaces with strong information hierarchy, purposeful layout systems, and intuitive navigation patterns.

CREATIVE DISCIPLINE

Music production and sound engineering approached as a parallel craft rooted in structure, balance, and intentional design. Rather than creating from impulse or trends, each track is built methodically, where rhythm provides the foundation, harmony shapes depth, and dynamics are carefully controlled to guide tension and release. Every element is placed with precision, ensuring clarity, cohesion, and purpose.

03

//Who Am I

about me

More About

HiggiNS

More About

HiggiNS

Woman
Product Engineer focused on AI-powered tools, scalable systems and interface architecture.
I'M AN INNOVATIVE DESIGNER AND DIGITAL ARTIST IN TOKYO. MY PASSION FOR MINIMALIST AESTHETICS, ELEGANT TYPOGRAPHY, AND INTUITIVE DESIGN SHINES THROUGH IN MY WORK.

I design and build scalable web applications, AI-powered developer tools, and structured interface systems. My work combines backend architecture, frontend clarity, and product-focused design to create digital systems that are functional, maintainable, and intuitive.

Alongside engineering, I practice music production as a discipline rooted in structure, layering, and balance reinforcing the precision and intentionality I bring to digital product development.

04

//Services

Fast Delivery

//Services

Fast Delivery

What I Build

I architect structured digital systems from AI-powered tools to scalable web platforms and payment interfaces.

01

Web Applications

Frontend + Backend

02

AI-Powered Developer Tools

Building documentation-aware AI tools and developer-focused automation systems.

03

API Integration & System Architecture

Designing API-driven systems with clear data models and scalable service layers.

04

Payment Interface Designs

Architecting clean, user-focused payment and financial interfaces.

05

Interface and Product UI Systems Design

Designing structured interface and product UI systems with clearly defined dashboards and interaction flows that prioritize clarity, usability, and functional efficiency.

06

Audio Engineering & Sound Design

Music production practiced as a parallel craft grounded in structure, balance, and precision.


05

H!GG!NS

Since 2020

Independent product-focused engineer building digital systems with precision and long-term scalability in mind.


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Global cleints

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Global cleints

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Global cleints

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years of experience

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years of experience

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years of experience

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recognitions

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recognitions

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recognitions

0%

Happy clients

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Happy clients

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Happy clients

06

//Experience

2022 - Present

EXPERIENCE

subtle innovative services

Systems & it manAGER

2024 - Present

Currently serving as IT Manager, overseeing digital infrastructure, platform performance, system maintenance, and technology strategy to ensure operational continuity and scalable growth.

emad services

Contract Product Engineer

2022-2023

Designed and implemented responsive web systems with structured frontend architecture and API integrations. Focused on maintainability, performance, and scalable component design.

khemsafe limited

software engineering intern

2024-2025

Contributed to internal system development and assisted in backend logic implementation, debugging, and structured code optimization across production workflows for the company .

Independent Audio Engineer & Producer

MUSIC PRODUCTION, SOUND ENGINNERING, SOUND DESIGN, MIXING & MASTERING

2025-2026

Led high-volume music production projects, delivering fully arranged, mixed, and mastered tracks across multiple genres with disciplined workflow management. Additionally developed sound design for motion graphics, commercial product campaigns, and film projects, creating custom effects, spatial textures, and narrative-driven audio assets.

BIG OR SMALL?

i HAVE A PLAN.

i have a paln

07

//tools

my tools

core stack & tools

Engineering Systems

Core Backend & Frontend Stack

Node.js · Express · React · Next.js · JavaScript · TypeScript · PostgreSQL · MongoDB · Firebase · Supabase · JWT · WebSockets · Redis · Prisma · GraphQL · Alchemy SDK · Ethers.js · Smart Contracts · WalletConnect · RainbowKit · Wagmi

Engineering Systems

Core Backend & Frontend Stack

Node.js · Express · React · Next.js · JavaScript · TypeScript · PostgreSQL · MongoDB · Firebase · Supabase · JWT · WebSockets · Redis · Prisma · GraphQL · Alchemy SDK · Ethers.js · Smart Contracts · WalletConnect · RainbowKit · Wagmi

AI & Tooling

APIs, Agents, Automation, AI Dev Environments stack

OpenAI API · Claude API · Gemini API · Cursor · n8n · LangChain · LlamaIndex · Pinecone · Supabase · Firebase · Vercel AI · Hugging Face · Manus · Cursor

AI & Tooling

APIs, Agents, Automation, AI Dev Environments stack

OpenAI API · Claude API · Gemini API · Cursor · n8n · LangChain · LlamaIndex · Pinecone · Supabase · Firebase · Vercel AI · Hugging Face · Manus · Cursor

Interface Architecture

UI Systems & Product Structure Stack

Figma · Framer · FigJam · Wix · Adobe XD · Webflow

Interface Architecture

UI Systems & Product Structure Stack

Figma · Framer · FigJam · Wix · Adobe XD · Webflow

DEPLOYMENT & INFRASTRUCTURE

Production & DevOps Tools

Vercel · Docker · GitHub Actions · AWS · Railway · Render · Cloudflare · Netlify · Nginx · PM2 · Firebase Hosting · Supabase Edge Functions

DEPLOYMENT & INFRASTRUCTURE

Production & DevOps Tools

Vercel · Docker · GitHub Actions · AWS · Railway · Render · Cloudflare · Netlify · Nginx · PM2 · Firebase Hosting · Supabase Edge Functions

SOUND DESIGN & AUDIO ENGINEERING

Audio Production Tools

FL Studio · Cubase · Pro Tools · Ableton Live · Logic Pro · Adobe Audition ·

SOUND DESIGN & AUDIO ENGINEERING

Audio Production Tools

FL Studio · Cubase · Pro Tools · Ableton Live · Logic Pro · Adobe Audition ·

08

//brands

Since 2000

REAL WORLD

Feedback

  • victor eshi

    CEO, SUBTLE INNOVTIVE SERVICES

    "Daudu has been instrumental in building and managing the technical systems at Subtle Innovative Services. As our IT Manager, he developed our website, application, and key digital infrastructure that support our education consultancy"
  • Dr Dave Obiora

    CEO kHEMSAFE LIMITED

    "DAUDU showed strong technical ability during his time as a Software Engineering Intern. He was attentive to requirements and consistently delivered solutions that were intuitive, functional, and well-executed."
  • eSTHER ADEKUNL E

    CMO, AFUA STORES

    "JOSEPH designed the UI for our e-commerce store with a strong focus on simplicity and user experience."

//CLIENTS

feedback

REAL WORLD

Feedback

09

//Portfolio

2025- 2026

2025-2026

Latest

Portfolio

Explore some of the products, interfaces, and systems I've recently designed and built.

02

//CONTEXT

CONTEXT

quick

context

01

Designer or Engineer

02

Types of Projects

03

Working Remotely

04

Music Production Background

05

End-to-End Project Capability

06

Contact

//CONTEXT

CONTEXT

quick

context

Designer or Engineer
Types of Projects
Working Remotely
Music Production Background
End-to-End Project Capability
Contact

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