Hey I'm Immanuel

Software Engineer &
Full-Stack Developer

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Portrait of Immanuel Justice Mac-Arthur

Full-stack software engineer based in Accra, Ghana — building secure, high-availability fintech platforms for banks and microfinance institutions across Africa.

6+
African countries shipped to
2+
Years in production fintech
6+
Production platforms delivered
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About

Engineering financial infrastructure that people can rely on

I'm a full-stack software engineer based in Accra, Ghana, specializing in secure, high-availability fintech platforms. My work centers on delivering cross-border payment integrations and agent-banking systems for banks and microfinance institutions across Africa — taking financial products from development all the way through production deployment.

I work primarily in C# and .NET on the backend, paired with modern JavaScript frameworks on the front end. Beyond writing code, I own delivery end to end: UI integration, configuration, testing, production migration, and post-deployment support — collaborating directly with regional banks and internal stakeholders to get real financial products live.

I also build outside of fintech — designing and shipping landing pages and websites for businesses and organizations that need a fast, polished web presence.

Currently

Software Developer

Oakwood Advansio, Accra — 2025 to Present

  • Frontend development & systems integration for high-security fintech platforms
  • End-to-end technical delivery, from UI through production migration
  • Direct collaboration with regional banks & microfinance institutions

Capabilities

Skills & Technologies

A pragmatic, production-tested toolkit spanning backend systems, frontend experiences, data, infrastructure and the cloud.

Languages

  • C#
  • JavaScript
  • TypeScript
  • Python

Backend

  • .NET (Core, 8, 10)
  • ASP.NET Core
  • ASP.NET MVC
  • Entity Framework Core
  • REST APIs

Frontend

  • Blazor
  • Angular
  • HTML5
  • CSS3
  • Bootstrap
  • Tailwind CSS
  • DaisyUI

Databases

  • PostgreSQL
  • SQL Server

DevOps

  • Docker
  • NGINX
  • Linux
  • Git

Cloud & Networking

  • AWS
  • Cloud Infrastructure
  • Networking Fundamentals

AI-Assisted Development

  • Claude Code
  • AI Pair Programming
  • AI-Accelerated Workflows

Career

Experience

  1. Software Developer

    2025 — Present

    Oakwood Advansio (Subsidiary of Oakwood Green Africa) · Accra, Ghana

    • Retained full-time following a highly successful National Service deployment, recognized for measurable technical contributions.
    • Lead frontend development and systems integration across the software development lifecycle for high-security, cross-border fintech platforms.
    • Own technical delivery end to end — from UI integration and configuration through testing, production migration, and post-deployment support.
    • Collaborate with regional banks, microfinance institutions, and internal stakeholders to deliver and deploy payment and agent-banking solutions.

  2. Junior Software Developer

    2024 — 2025

    Oakwood Advansio · Accra, Ghana

    • Developed and maintained web applications and software solutions as part of the engineering team.
    • Supported the development, deployment, and troubleshooting of client-facing fintech applications and internal tools.

  3. Web Development Intern

    2023

    University of Ghana · Legon, Accra, Ghana

    • Supported web development projects under faculty supervision, contributing to interface design and implementation.

  4. Networking Intern

    2022

    Telecel Ghana (Head Office) · Takoradi, Ghana

    • Assisted with networking operations and infrastructure support at the head office.

Selected Work

Projects

Production platforms delivered end to end — from build through deployment — for financial institutions across Africa, alongside landing pages and websites for businesses outside of fintech.

Fintech · Cross-Border Payments

PAPSS Cross-Border Payment Integration

Oakwood Advansio

Delivered end-to-end deployment and UI integration of the Pan-African Payment and Settlement System (PAPSS) for regional financial institutions, including Credit Bank (Kenya), CBZ Bank (Zimbabwe), and Premium Trust Bank (Nigeria). Executed outward penny testing and managed seamless production migrations for core cross-border banking integration services.

  • PAPSS
  • ASP.NET Core
  • Production Migration
Agent Banking

Salam Kalpeh — Agent Banking Platform

Salam Financial Services, The Gambia

Built the Super-Agent Portal with secure agent onboarding, real-time transaction status tracking, and validation for cash-in / cash-out and settlement workflows. Developed the companion Administrative Portal for centralized operations — reporting, monitoring, and agent / user management — integrated with backend services and the database layer for a Central Bank–licensed microfinance institution focused on financial inclusion.

  • ASP.NET MVC
  • SQL Server
  • Agent Onboarding
Website · Non-Fintech

CIF Ghana — Center for Inclusive Finance

cifghana.org

Designed, developed, and launched the official digital presence and landing pages for CIF Ghana. Delivered a highly responsive UI backed by a custom content management architecture, built for seamless, long-term maintainability.

  • Custom CMS
  • Responsive UI
  • Landing Pages
Enterprise Tooling

Company & Product Management System

Internal Enterprise Project

A CRUD platform with role-based access control and full audit trails, built to meet enterprise data-integrity standards for internal company and product management workflows.

  • .NET 8
  • Blazor
  • EF Core
  • SQL Server
Transaction Portal

Transaction Portal & Corporate Website

Client Engagement

A modern transaction portal built with reactive forms and a modular architecture, paired with a responsive corporate website to support the client's public-facing presence.

  • Angular
  • REST APIs
  • Bootstrap

Foundation

Education

Bachelor of Science in Computer Engineering

Graduated 2024

University of Ghana — Legon, Accra, Ghana

Relevant coursework: Data Structures & Algorithms, Software Engineering, Computer Networks, Operating Systems, Artificial Intelligence, Database Systems.

High School Certificate — General Science

2017 — 2020

Saint Augustine's College — Cape Coast, Ghana

Impact

Achievements

01

Promoted from National Service to full-time Software Developer based on measurable technical impact.

02

Contributed to fintech deployments spanning multiple African markets — Kenya, Zimbabwe, Nigeria, The Gambia, and Ghana.

03

Delivered multiple production platforms — cross-border payment integrations, agent-banking portals, and enterprise web applications — from build through deployment.

Let's talk

Building something in fintech? Let's build it right.

Open to full-stack engineering roles, freelance collaborations, and conversations about secure payment infrastructure. I typically reply within a day.

Email macarthur83@yahoo.com Phone +233 25 730 7230 GitHub github.com/Mac-Arthur LinkedIn Immanuel Justice Mac-Arthur
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