Kwabena Yeboah Ansu - Full-Stack & AI Systems Engineer

Kwabena Yeboah Ansu

Full-Stack & AI Engineer, AI Systems Architect, Cloud Solutions Architect, API & Distributed Systems Specialist

Transforming ideas into high-performance web applications, intelligent AI systems, and scalable cloud architectures. I specialize in modern full-stack development, local AI / RAG workflows, and distributed APIs using Next.js, Angular, TypeScript, and AWS.

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5+Years Experience
10+Projects Delivered
AWSCertified

About Me

My Journey

I'm Kwabena Yeboah Ansu (also known as Kwabena Kay or kwabenakay), a passionate Full-Stack & AI Systems Engineer and AWS Certified Solutions Architect with 5+ years of experience transforming complex business challenges into elegant, scalable solutions. My journey began at the University of Energy and Natural Resources, where I discovered my love for creating systems that make a real difference.

What drives me is the intersection of technology and impact. Whether it's building a testing platform that reduces assessment time by 60%, or crafting training programs that empower the next generation of developers, I thrive on solving problems that matter.

My approach combines technical excellence with a deep understanding of user needs. I believe in writing code that's not just functional, but maintainable, performant, and built to scale.

Where I Excel

Industries

  • •Healthcare: Hospital management systems with patient tracking
  • •Education: Testing platforms, admission systems, learning tools
  • •Enterprise: HR systems, inventory management, dashboards
  • •AI & Developer Tooling: Local LLM workspaces, RAG vector retrieval, agent sandboxes
  • •E-commerce & Web: Product configurators, dynamic media, customer engagement tools

Problems I Solve

  • ✓AI integration, local LLM orchestration & RAG pipelines
  • ✓Complex data visualization & analytics
  • ✓Process automation & workflow optimization
  • ✓Scalable cloud architecture & deployment
  • ✓API design & system integration

What I Value

Building innovative solutions

Mentoring & knowledge sharing

Continuous learning & growth

Clean code & best practices

My Tech Stack

React
Next.js
TypeScript
Node.js
PostgreSQL
AWS
Ollama / AI
Angular
NestJS
Flutter
Docker
Git

Professional Experience

Software Engineer & Technical Trainer

Ghana-India Kofi Annan Centre of Excellence in ICT (AITI-KACE)Sunyani, Ghana
02/2025 – Present
  • •Engineered enterprise staff appraisal and promotion evaluation HR software using Angular, NGXS state management, SCSS, and PrimeNG, modernizing internal institutional workflows.
  • •Delivered structured technical training programs on JavaScript, React, TypeScript, and modern software engineering fundamentals to developer cohorts; mentored 40+ trainees through real-world capstone software deliveries.
  • •Formulated hands-on lab curricula and coding assessments, elevating trainee project completion rates and practical readiness.

Software Engineer

Amalitech ServicesTakoradi, Ghana
02/2024 – 02/2025
  • •Architected and delivered a full-stack candidate assessment and online testing platform using Angular, NestJS, PostgreSQL, and AWS, cutting grading and assessment turnaround times by 60%.
  • •Engineered an interactive customer-facing motor drive configurator that expanded client sales engagement by 80%.
  • •Developed an automated internal coding submission and code review pipeline utilizing NestJS, Docker, and AWS S3 storage.

Systems Support Officer

National Communications Authority (NCA)Sunyani, Ghana
11/2022 – 10/2023
  • •Operated spectrum analyzers and Nemo Analyzer to evaluate wireless telecommunications signal quality and ensure strict adherence to national frequency regulations.
  • •Managed secure internal LAN/WAN network configurations, firewall rules, and server patches to maintain 99.9% uptime.

Systems Support & Data Analyst

Northern Energy Department (NEDCo)Sunyani, Ghana
10/2021 – 12/2021
  • •Developed an automated billing adjustment and reconciliation tool, increasing administrative processing efficiency by 80%.

Featured Projects

Featured Project

Vidgen • GPS Orbit Studio & Video Engine

Programmatic video generation and studio suite featuring dynamic orbital trigonometry animations, multi-aspect-ratio rendering (16:9, 9:16, 1:1), automated Google Gemini Flash TTS voiceover synthesis, and cross-platform Electron desktop integration.

Challenge

Creators and educators needed an automated pipeline to render mathematically precise technical animations with synchronized AI voiceovers across widescreen and vertical mobile feeds without manual video editing software

My Role

Lead Architect & Full-stack Developer - engineered the procedural animation engine, audio synchronization API, and desktop shell

Solution

Architected a Next.js and Remotion application combining SVG geometry calculations, dynamic aspect-ratio adaptation, neural speech generation via Gemini Flash, and an Electron desktop app with local hardware export

Result

Enabled instantaneous rendering of HD and 4K educational videos with automated voiceover and timing alignment

Next.jsRemotionTypeScriptElectronReactGemini AITailwind CSS
Featured Project

Kwabs AI Assistant & Workspace

Autonomous, local-first AI engineering workspace featuring on-device LLM inference, interactive visual Canvas, vector memory retrieval & RAG, and sandboxed terminal tooling.

Challenge

Developers needed a private, zero-latency coding assistant that runs locally without exposing proprietary source code to cloud APIs or incurring recurring token costs

My Role

Lead AI Architect & Systems Developer - engineered desktop runtime, local LLM orchestration, and vector RAG retrieval pipeline

Solution

Architected an Electron and Angular application integrating local Ollama/llama.cpp inference, SQLite-VSS vector similarity search, and an autonomous coding sandbox with terminal execution capabilities

Result

Achieved 100% private, offline code intelligence with persistent semantic vector memory and low-latency agentic execution

ElectronAngularTypeScriptOllamaSQLite-VSSNode.jsRAG
Featured Project

OwnStep • Hire Purchase & Credit Risk System

Nationwide enterprise hire-purchase and credit risk management platform integrating automated Ghana Card (NIA) biometric KYC, Mobile Money payments, and GPS-tracked field recovery.

Challenge

Retailers and hire-purchase financiers in Ghana faced high loan default rates, slow paper KYC validation, and disconnected field debt recovery operations

My Role

Lead Backend & Systems Architect - engineered the Django REST API services, KYC verification engine, and multi-role dashboard architecture

Solution

Architected an enterprise Django platform with live NIA Ghana Card lookups, video KYC verification, automated installment amortizations, Paystack/MoMo payment reconciliation, and GPS-tagged field agent portals

Result

Streamlined hire-purchase customer onboarding by 70% while mitigating default risk through automated credit scoring and live payment tracking

PythonDjangoDjango REST FrameworkDockerMySQLJavaScriptTailwind CSS
Featured Project

Inventory Management System

Comprehensive inventory tracking platform with real-time updates, advanced filtering, and data export capabilities.

Challenge

Manual inventory tracking was causing data inconsistencies and wasting staff time

My Role

Full-stack developer - designed and implemented the entire system

Solution

Built a Next.js platform with authentication, real-time updates, CSV export, and interactive dashboards

Result

Improved admin efficiency by 60% and eliminated data entry errors

Next.jsTypeScriptReactPostgreSQLTailwind CSS

Bridgeway Technologies Enterprise Platform

Full-stack corporate web platform and client SLA support ticketing system for an enterprise ICT infrastructure and cybersecurity firm.

Challenge

The enterprise required a high-speed corporate site coupled with an authenticated client SLA management portal

My Role

Full-stack Engineer - built the public marketing site, SLA portal, and admin console

Solution

Engineered an SSR-powered Next.js platform with role-based authentication, interactive service configurations, and document indexing

Result

Unified corporate client onboarding and reduced support response turnaround by 45%

Next.jsTypeScriptTailwind CSSPrismaNextAuth.jsFramer Motion

Rays of Hope Community Platform

Production community portal featuring a dynamic administrative form builder, public submission pipelines, event scheduling, and automated PDF/DOCX report exports.

Challenge

Managing hundreds of member registrations and event RSVPs through paper forms and spreadsheets was slow and prone to errors

My Role

Lead Full-stack Developer - engineered the dynamic form generator engine and member dashboard

Solution

Architected a Next.js application with schema-driven form building, Zod validation, and instant PDF/DOCX export capabilities

Result

Fully digitized community operations, managing hundreds of active submissions seamlessly

Next.jsTypeScriptTailwind CSSPostgreSQLPrismaZodNextAuth.js

Bridgeway Foundation Impact Portal

Philanthropic outreach and community initiative platform managing donor campaigns, grant programs, and volunteer engagements.

Challenge

Community outreach initiatives lacked transparent public reporting and an automated system for volunteer onboarding and grant intake

My Role

Full-stack Developer - designed user experience and backend data layer

Solution

Constructed an accessible, responsive web application featuring donation tracking, impact progress metrics, and volunteer applications

Result

Streamlined volunteer processing and increased community participation transparency

Next.jsTypeScriptTailwind CSSPostgreSQLPrismaFramer Motion

Hospital/Clinic Management App

Modern healthcare platform for managing patients, staff, appointments, and medical records.

Challenge

Healthcare providers needed a unified system to manage operations efficiently

My Role

Lead developer - architecting the platform and implementing core features

Solution

Building a comprehensive system with patient records, appointment scheduling, and staff management

Result

Currently in development - targeting 40% reduction in administrative overhead

Next.jsTypeScriptPostgreSQLPrismaTailwind CSS

UMAT Admission System

University admissions portal enabling students to apply, track applications, and receive decisions online.

Challenge

Paper-based admission process was slow and error-prone

My Role

Frontend developer - developed the student-facing interface

Solution

Created an intuitive Angular SPA with form validation, document upload, and application tracking

Result

Streamlined admissions for 1000+ applicants annually

AngularTypeScriptRxJSBootstrap
Questions & Answers

Frequently Asked Questions

Everything you need to know about my engineering expertise, project delivery, and availability.

I provide end-to-end full-stack software development, AI systems engineering (on-device LLM inference, RAG pipelines, vector memory, agentic tooling), modern frontend engineering (React, Next.js, Angular), scalable backend API design (NestJS, Node.js), relational & vector database architecture (PostgreSQL, SQLite-VSS), cloud infrastructure setup (AWS), and technical developer training/mentorship.
My core stack includes TypeScript/JavaScript, React, Next.js (App Router, Server Components), Angular, NestJS, Node.js, PostgreSQL, and Tailwind CSS. In AI systems, I specialize in local LLM orchestration (Ollama, llama.cpp), RAG & vector similarity search (SQLite-VSS, embeddings), agentic execution sandboxes, and multimodal APIs (Google Gemini Flash). On the cloud side, I am an AWS Certified Solutions Architect specializing in S3, EC2, Lambda, DynamoDB, and CloudFront.
Yes! I am available for full-time remote engineering positions, freelance software projects, and technical consulting in Full-Stack and AI Systems engineering. I am based in Ghana (GMT/UTC+0) with flexible overlapping hours across US, European, UK, and African time zones.
As an AWS Certified Solutions Architect (Associate), I design secure, cost-effective, and highly available cloud and AI inference systems. My experience covers AWS services (S3, EC2, Lambda, DynamoDB, IAM), Docker containerization, CI/CD automated deployments, serverless architectures, and sandboxed execution environments.
You can send an email to nskwbn@gmail.com, reach out directly via WhatsApp, or schedule a consultation. You can also connect with me on LinkedIn and GitHub.

Let's Work Together

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions. Feel free to reach out!

Get in Touch

Email
nskwbn@gmail.com
GitHub
kwabenakay
LinkedIn
kwabena-ansu

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Ready to Start a Project?

I'm available for freelance work and full-time opportunities

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