Kwabena Yeboah Ansu
Full-Stack Software Engineer • AWS Certified Solutions Architect • CS Researcher • Technical Trainer
Professional Summary
Versatile and results-driven Full-Stack Software Engineer, AWS Certified Solutions Architect, and Technical Trainer with 5+ years of experience engineering resilient web applications, distributed APIs, and scalable cloud architectures. Proven expertise across React, Next.js, Angular, TypeScript, NestJS, and PostgreSQL, with practical leadership in technical training cohorts and applied computer science research (NP-complete algorithm optimizations, cross-platform performance). Dedicated to writing clean, maintainable code and translating complex operational requirements into high-impact software solutions.
Areas of Expertise & Technical Skills
- Languages: TypeScript, JavaScript (ES6+), Python, SQL, C#, Dart, C++, HTML5, CSS3/SCSS
- Frontend Engineering: React, Next.js (App Router, Server Components), Angular (RxJS, Signals, NGXS), Flutter, Tailwind CSS, Framer Motion
- Backend & Architecture: Node.js, NestJS, Express.js, RESTful APIs, GraphQL, Microservices, Prisma ORM, TypeORM, WebSockets
- Cloud & DevOps (AWS): AWS (S3, EC2, Lambda, DynamoDB, IAM, CloudFront, Route 53), Docker, CI/CD Pipelines, Git/GitHub, Linux/Fedora
- Databases & Storage: PostgreSQL, MySQL, SQLite, MongoDB, Firebase Firestore, Amazon DynamoDB, SQLite-VSS (Vector Search)
- Research & Pedagogy: Algorithm Design & Complexity (3-SAT / SAT Solvers), Technical Curriculum Delivery, Developer Mentorship
Professional Experience
Software Engineer & Technical Trainer — Ghana-India Kofi Annan Centre of Excellence in ICT
02/2025 – Present | Sunyani, Ghana- Engineered enterprise staff appraisal and promotion evaluation HR software using Angular, NGXS state management, SCSS, and PrimeNG.
- Delivered structured technical training programs on JavaScript, React, TypeScript, and computing fundamentals; mentored 40+ trainees through real-world capstone software deliveries.
- Formulated hands-on lab curricula and coding assessments, elevating trainee project completion rates.
Software Engineer — Amalitech Services
02/2024 – 02/2025 | Takoradi, Ghana- Architected and delivered a full-stack candidate assessment and online testing platform with Angular, NestJS, AWS, and PostgreSQL; reduced assessment turnaround by 60%.
- Built a customer-facing motor drive configurator, expanding client sales engagement by 80%.
- Developed an internal automated coding submission and review platform using Angular, NestJS, and AWS S3.
Systems Support Officer — National Communications Authority
11/2022 – 10/2023 | Sunyani, Ghana- Operated spectrum analyzers and Nemo Analyzer to evaluate wireless telecommunications signal quality and ensure strict frequency regulation compliance.
- Managed internal networks, updates, and firewall rules to maintain 99.9% uptime.
Systems Support & Data Analyst — Northern Energy Department (NEDCo)
10/2021 – 12/2021 | Sunyani, Ghana- Created a billing adjustment and reconciliation tool, improving processing efficiency by 80%.
Key Engineering Projects & System Architecture
- Aura AI Assistant & Workspace: Local-first desktop AI engineering environment with on-device LLM inference (Ollama/llama.cpp), visual Canvas, vector memory retrieval (SQLite-VSS), and autonomous terminal execution sandboxes. (Electron, Angular, TypeScript, Node.js)
- Bridgeway Technologies Platform: Full-stack corporate portal and client SLA ticketing platform built with Next.js, TypeScript, Tailwind CSS, Prisma, and NextAuth.js. (https://bridgewaytec.com)
- Rays of Hope Community Platform: Production community hub with dynamic schema-driven form building, public submissions, event management, and automated PDF/DOCX report exports. (Next.js, PostgreSQL, Prisma, Zod)
- Inventory Management System: Scalable inventory management platform with real-time stock sync, advanced multi-column filtering, and CSV export dashboards. (Next.js, PostgreSQL, Prisma, Tailwind)
- Bridgeway Foundation Impact Portal: Philanthropic outreach platform managing grant applications, digital donation tracking, and volunteer onboarding workflows. (Next.js, TypeScript, PostgreSQL)
- Field Reports & Analytics Dashboard: Flutter mobile app featuring offline SQLite caching, interactive data visualization widgets, and dynamic PDF/CSV document generation. (Flutter, Dart, SQLite)
- UMAT University Online Admission System: High-throughput Angular SPA admissions portal supporting applicant verification, validation rules, and real-time admission tracking. (Angular, RxJS, Bootstrap)
Computer Science Research & Publications
- Architectural Foundations and Structural Dynamics of the SOLID Principles: Comprehensive research analyzing SOLID, GRASP, and CUPID paradigms, Clean Architecture integration, and their role as structural guardrails in AI-assisted and agentic engineering. (kwabenakay.online/blog/solid-design-principles)
- The 3-SAT Problem: Complexity, Logic, and Heuristic Algorithms: Research paper on Boolean Satisfiability (Cook-Levin Theorem), NP-completeness proofs, deterministic vs non-deterministic algorithms, and heuristic optimizations. (kwabenakay.online/blog/3-sat)
- Cross-Platform Mobile Engineering in 2025: Flutter vs React Native: Architectural comparative study evaluating Skia/Impeller, Dart AOT compilation, and React Native Fabric architecture. (kwabenakay.online/blog/react_and_fluter_blog)
Education & Certifications
- AWS Certified Solutions Architect – Associate — Amazon Web Services (Issued Dec. 2024)
- BSc Computer Science — University of Energy and Natural Resources (UENR), Sunyani, Ghana (2018 – 2022)
- Amalitech Graduate Trainee Program — Amalitech Services (Dec. 2023)
- Vodafone National Coding Program — Vodafone Ghana (Jan. 2022)
Languages
English [Native/Fluent] • French [Basic – Learning]