Clifford Atsika

Full-Stack Software Engineer & SaaS Founder

About

Highly versatile Full-Stack Software Engineer and SaaS Founder with 3+ years of experience transforming innovative ideas into robust, production-ready software solutions. Proven expertise in full-stack development, automation, and technical SEO, demonstrated through successful solo ventures like TidyList and Keymint.dev. Eager to leverage deep technical skills in a national service role, contributing to digital transformation initiatives and solving complex problems within a collaborative setting.

Work Experience

Full-Stack Developer

Freelance Software Developer

Jan 2021 - Present

Remote, Ghana, Ghana

Delivered end-to-end full-stack software solutions and automation systems for diverse global clients, managing projects from conception to deployment.

  • Developed and deployed 15+ custom full-stack web applications and automation tools, consistently delivering 100% of projects on time and within client specifications, enhancing operational efficiency.
  • Engineered and integrated secure Stripe billing systems for 8+ client platforms, streamlining payment processes by an average of 20% and enhancing transaction security for financial transactions.
  • Created 5+ bespoke PyQt desktop applications to optimize internal operations and boost productivity for client organizations by up to 30% through automation of key workflows.
  • Managed end-to-end API development, rigorous testing, and detailed documentation for 12+ projects, ensuring robust and scalable software solutions capable of handling high transaction volumes.
  • Successfully managed 20+ projects independently across diverse global time zones, ensuring seamless project execution and maintaining high client satisfaction through proactive technical and communication strategies.

Education

Computer Science

Ghana Communication Technology University

Jan 2021 - Dec 2025

Accra, Greater Accra, GH

Courses

  • Software Engineering
  • Web Development
  • Operating Systems
  • Databases
  • Networking
  • Human-Computer Interaction (HCI)
  • Cybersecurity

Projects

TidyList – Email Verification SaaS

Jan 2024 - Jun 2024

A modern email verification platform designed to enhance deliverability and data quality for marketing and growth teams.

Keymint.dev – Software License Management Platform

Jan 2023 - Jun 2024

A developer-first software licensing system offering secure offline and online license validation, ideal for independent and desktop software distribution.

GitHub Email Scraper

Jan 2023 - Dec 2023

A command-line utility for efficiently scraping and filtering public contributor emails from GitHub repositories.

Languages

English (Fluent)

Skills

Backend Development

  • Node.js
  • Supabase (PostgreSQL)
  • Firebase
  • Neon.tech

Desktop Development

  • PyQt

APIs & Tools

  • Git
  • GitHub
  • REST APIs
  • Postman
  • Stripe

SEO & Analytics

  • Technical SEO
  • Metadata Structuring
  • Keyword Optimization
  • Google Search Console
  • On-page SEO

Soft Skills

  • Remote Freelancing
  • Technical Writing
  • Agile Collaboration
  • Problem-Solving
  • Self-Learning
  • Independent Research

SaaS Development

  • Product Development
  • Stripe Integration
  • User Authentication
  • Analytics Dashboard Development
  • API Design

Cybersecurity & Cryptography

  • Ed25519 Cryptographic Signatures
  • License Key Systems
  • Public Key Verification

Programming Languages

  • Python
  • JavaScript
  • TypeScript
  • HTML/CSS

Frontend Development

  • React.js
  • Tailwind CSS