Welcome to my GitHub profile! I'm Calistas, a passionate Full Stack Developer and Systems Integrator with a firm belief that with God, all things are possible. My dedication to software engineering is matched only by my commitment to creating impactful solutions that drive innovation in industries like space research, cybersecurity, and healthcare.
I thrive on solving complex problems, leading projects under tight deadlines, and continuously learning new technologies. π
As a Full Stack Developer and Systems Integrator, I specialize in building scalable, secure, and efficient systems. My work spans front-end and back-end development, API integrations, and cloud-based deployments.
- Delivered a full-featured Vue.js website for the South African National Space Agency (SANSA).
- Built an Angular + Java backend honeynet system for the CSIR Cybersecurity Project to monitor real-time cyberattacks.
- Developed a GPS-based hospital asset tracking system for Medtronic, improving healthcare operations.
- Integrated APIs, dashboards, and deployment pipelines while managing client-facing deliverables.
- Guided and supported learners through intensive coding bootcamps.
- Conducted rigorous testing, ensuring product reliability and a seamless user experience.
- π 5Γ Hackathon Winner
- βοΈ AWS Cloud Practitioner & AWS Solutions Architect Associate
- π Top Software Engineering Student (WeThinkCode_)
- π‘ Built projects impacting healthcare, cybersecurity, and national space research
- WeThinkCode_ β NQF Level 5 in Systems Integrations (Expected 2025)
- FreeCodeCamp β Certifications in Frontend Development (2023)
- Witbank High School β Matric, specialized in software project work (2022)
Additional Certifications:
- Responsive Web Design
- JavaScript Algorithms & Data Structures
- Frontend Development Libraries
- Data Visualization
- Introduction to Python (Sololearn)
- Johannesburg, Gauteng, South Africa
I believe in clean code, agile collaboration, and faith-driven purpose. With perseverance, discipline, and innovation, anything is possible. β¨
"Coding with purpose, powered by faith." π
β‘ Currently exploring: Flutter & .NET MAUI for cross-platform development.



