# Kwabena Yeboah Ansu

> Full-Stack Software Engineer & AWS Certified Solutions Architect specializing in React, Next.js, Angular, NestJS, TypeScript, PostgreSQL, and scalable cloud solutions. Based in Sunyani, Ghana, available globally for remote contracts, freelance projects, and full-time software engineering roles.

## Core Summary

Kwabena Yeboah Ansu is an experienced full-stack software engineer and technical trainer with 5+ years of software development experience. He holds a BSc in Computer Science from the University of Energy and Natural Resources (UENR) and is an AWS Certified Solutions Architect – Associate. He specializes in designing, architecting, and delivering high-performance, maintainable web applications, cloud-native architectures, REST/GraphQL APIs, and cross-platform solutions.

- **Name & Aliases**: Kwabena Yeboah Ansu (also known as Kwabena Ansu, Kwabena Ansu Yeboah, Kwabena Kay, Kay, kwabenakay, nskwbn)
- **Role**: Full-Stack Web Engineer / Cloud Solutions Architect
- **Website**: https://www.kwabenakay.online
- **GitHub**: https://github.com/kwabenakay
- **LinkedIn**: https://linkedin.com/in/kwabena-ansu-a09091210
- **Email**: nskwbn@gmail.com
- **WhatsApp**: https://www.kwabenakay.online/whatsapp
- **Location**: Sunyani, Ghana (Available for Remote Worldwide & Hybrid)

## Technical Skills & Stack

- **Frontend**: React, Next.js (App Router, Server Components, SSR/SSG), Angular (RxJS, NGXS, PrimeNG), TypeScript, JavaScript (ES6+), HTML5, Tailwind CSS, SCSS, Framer Motion
- **Backend & APIs**: Node.js, NestJS, Express.js, RESTful API Design, Microservices, Authentication (JWT, OAuth), TypeORM, Prisma, Sequelize
- **Databases**: PostgreSQL, MySQL, SQLite, MongoDB, Firebase Firestore, DynamoDB
- **Cloud & DevOps**: Amazon Web Services (AWS - S3, EC2, Lambda, DynamoDB, IAM, CloudFront, Route53), Docker, CI/CD Pipelines, Git/GitHub
- **Mobile Development**: Flutter (Dart, SQLite, offline-first architectures)
- **Methodologies**: Agile / Scrum, Test-Driven Development, Clean Architecture, Software Mentorship & Training

## Featured Projects

- [Inventory Management System](https://github.com/kwabenakay/inventory-system): Production-ready inventory tracking platform with real-time updates, advanced filtering, role-based access control, CSV export, and interactive business analytics. Built with Next.js, TypeScript, React, PostgreSQL, and Tailwind CSS.
- [Aura AI Assistant & Workspace](https://github.com/kwabenakay): Autonomous, local-first AI engineering workspace featuring on-device LLMs (Ollama/llama.cpp), interactive Canvas, vector memory retrieval (SQLite-VSS), and integrated terminal tooling. Built with Electron, Angular, and Node.js.
- [Bridgeway Technologies Enterprise Platform](https://github.com/kwabenakay): Full-stack corporate web platform and client SLA support ticketing system for an enterprise ICT infrastructure firm. Built with Next.js, TypeScript, Tailwind CSS, Prisma, and NextAuth.js.
- [Rays of Hope Community Platform](https://github.com/kwabenakay): Production community portal featuring a dynamic schema-driven form builder, public submissions, event management, and automated PDF/DOCX report exports. Built with Next.js, TypeScript, PostgreSQL, and Prisma.
- [Bridgeway Foundation Impact Portal](https://github.com/kwabenakay): Philanthropic outreach and community initiative platform managing donor campaigns, grant programs, and volunteer engagements. Built with Next.js, TypeScript, and PostgreSQL.
- [Reports & Analytics Dashboard](https://github.com/kwabenakay): Mobile application built with Flutter, Dart, and SQLite providing offline-first business analytics, tabbed visualizations, and instant PDF/CSV data exports.
- [Hospital & Clinic Management System](https://github.com/kwabenakay): Comprehensive healthcare platform managing patient electronic health records (EHR), staff scheduling, appointments, and billing operations. Built with Next.js, TypeScript, PostgreSQL, and Prisma.
- [UMAT University Admission System](https://github.com/kwabenakay): High-throughput university admissions portal serving 1,000+ applicants annually with reactive form validations, document upload pipelines, and real-time application status tracking. Built with Angular, TypeScript, RxJS, and Bootstrap.

## Professional Experience

- **Software Engineer & Technical Trainer** at *Ghana-India Kofi Annan Centre of Excellence in ICT (AITI-KACE)* (Feb 2025 – Present)
  - Engineered digital appraisal and promotion evaluation HR systems using Angular, NGXS, and SCSS.
  - Delivered structured training programs in React, TypeScript, and modern computing fundamentals to developers.
- **Software Engineer** at *Amalitech Services* (Feb 2024 – Feb 2025)
  - Engineered full-stack online testing platform using Angular, NestJS, AWS, and PostgreSQL; reduced assessment turnaround by 60%.
  - Developed customer-facing motor drive configurator boosting client sales by 80%.
  - Built internal automated coding submission & review systems using AWS S3.
- **Systems Support Officer** at *National Communications Authority (NCA)* (Nov 2022 – Oct 2023)
  - Analyzed wireless communications & spectrum compliance, maintaining strict regulatory adherence.
- **Systems Support & Data Analyst** at *Northern Energy Department (NEDCo)* (Oct 2021 – Dec 2021)
  - Created automated billing adjustment resolution tools, improving staff processing efficiency by 80%.

## Certifications & Education

- **AWS Certified Solutions Architect – Associate** (Amazon Web Services, Dec 2024)
- **BSc in Computer Science** — *University of Energy and Natural Resources (UENR)*, Sunyani, Ghana (2018 – 2022)
- **Amalitech Graduate Trainee Program** (Dec 2023)
- **Vodafone National Coding Program Certification** (Jan 2022)

## Computer Science Research & Publications

- [Architectural Foundations and Structural Dynamics of the SOLID Principles](/blog/solid-design-principles): Comprehensive research analyzing SOLID, GRASP, and CUPID paradigms, Clean Architecture integration, and their role as structural guardrails in AI-assisted, vibe, and agentic engineering.
- [The 3-SAT Problem: Complexity, Logic, and Heuristic Algorithms](/blog/3-sat): Research paper on Boolean Satisfiability (Cook-Levin Theorem), NP-completeness proofs, deterministic vs non-deterministic algorithms, and heuristic optimizations.
- [Cross-Platform Mobile Engineering in 2025: Flutter vs React Native](/blog/react_and_fluter_blog): Architectural comparative study evaluating Skia/Impeller, Dart AOT compilation, and React Native Fabric architecture.

## Resources & Documentation

- [Full Detailed Documentation & Knowledge Base](/llms-full.txt): Comprehensive deep-dive documentation for AI agents.
- [Online Resume / CV](/pdf-view): Full web view of professional qualifications and career timeline.
- [Technical Blog & Research Articles](/blog): Research papers and engineering insights on software architecture, algorithm design, and modern web systems.