Mbuso Cosby

Welcome to my World.

My Story My Projects

Full-Stack |
Software Developer | Web Developer | System Analysis

Graphic Designer

Hi there!

I'm Mbuso Cosby Ubisi, a Software Developer at the State Information Technology Agency (SITA), passionate about building scalable digital solutions that improve public sector services.

Welcome to my digital portfolio—a space where my projects, technical growth, and contributions to real-world systems come to life.

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About Me

I enjoy solving complex problems through clean, efficient code, data-driven thinking, and collaborative innovation. My work focuses on enterprise software development, system modernization, and building technology that strengthens digital infrastructure and supports national development.

I combine strong technical expertise with a solution-oriented mindset, striving to use technology as a tool for innovation, accessibility, and meaningful impact.

Quick Facts

  • Experience: ~3 Years Enterprise Software Development
  • Current Role: Software Developer at SITA SOC Ltd
  • Passions: Software Development, Machine Learning, Web Development, Data Science, and Collaborative Innovation
  • Specialisation: Java, Spring Boot, REST APIs, System Integration
  • Hobbies: Playing tennis, exploring new technologies, and participating in coding competitions
My Skills

My Skills

Java
Spring Boot
React
TypeScript
REST APIs
PostgreSQL
SQL
Oracle
Python
JavaScript
HTML
CSS
PHP
Git
Agile & SDLC
Spring Security / OAuth 2.0
Multi-Tenant Architecture
Docker
JUnit / Mockito
MATLAB
Jupyter
phpMyAdmin
OOP
DevOps
Machine Learning
Statistical Modeling
Big Data Analytics
Exploratory Data Analysis
🧠 Problem-Solving
💬 Communication
📋 Multitasking
👥 Leadership

Experience That Counts

Junior Software Developer
State Information Technology Agency, Pretoria

  • Develop and maintain enterprise-level web applications used by government departments.
  • Built scalable backend solutions using Java, Spring Boot, and MVC architecture.
  • Integrated enterprise platforms including E-Permits, ICDMS and PERSAL for secure data exchange.
  • Designed and implemented RESTful APIs supporting workflow automation and business processes.
  • Collaborated within Agile teams, participating in sprint planning, code reviews, and deployments.
  • Diagnosed and resolved production issues while providing ongoing system support.
  • Contributed across the full SDLC including requirements analysis, development, testing, deployment, and maintenance.

    • Apr 2025 – Present
    Technical Programming Tutor
    Walter Sisulu University, BCC

  • Guided students on Java programming, debugging, and software development principles.
  • Provided mentorship on data structures, algorithms, and practical problem-solving techniques.
  • Strengthened communication, leadership, and technical explanation skills.

    • Jul 2024 – Nov 2024

    Achievements & Awards

    National Recognition - DIRISA Finals DIRISA (CSIR) | (2024)
    Secured a top four national finish at the DIRISA (CSIR) Student Datathon finals. Contributed across multiple high-impact data science projects, including Healthcare Disease & Resource Allocation AI, Global Unemployment Forecasting (266 countries), Employment Status Classification, and Climate Temperature Analysis. Explore Projects
    Telkom Hackathon - Real-Time Skill Assessment TelkomLearn & Geekulcha | (2024)
    Participated in TelkomLearnHack_Geekulcha with team members Kgaugelo Mmakola, Kgomotso Dube, Samual Amoha Bampo, Mbuso Ubisi, and Nomvulo Mafuta. Developed an AI-powered Real-Time Skill Assessment Tool addressing SA's 63.9% graduate unemployment gap (StatsSA) through instant task evaluation and adaptive learning paths. View Project Info
    CHPC Competition CSIR | (2024)
    Participated in the 2024 Student Cluster Competition hosted by the Centre for High Performance Computing (CHPC) and the National Integrated Cyber Infrastructure Systems (NICIS). This competition involved building a prototype multi-node compute cluster within the NICIS virtual compute cloud.
    Java Tutor WSU | (2024)
    Served as a Technical Programming tutor at Walter Sisulu University. Guided students on software development principles, data structures, algorithms, and problem-solving techniques.

    Achievements & Awards

    Cetificate of Recognition WSU | (2024)
    Awarded by the Faculty of Engineering, Built Environment & Information Technology at WSU for successfully facilitating tutorial sessions in 2024. This certificate acknowledges the dedication to supporting student learning and engagement, significantly contributing to academic success.
    MATLAB Onramp MathWorks | (2024)
    Completed 100% of the self-paced training course "MATLAB Onramp" by MathWorks Training Services on 5 October 2024, demonstrating proficiency in MATLAB.
    Storm Shield System (IBM Z Datathon) IBM | (2024)
    Co-developed Storm Shield, a machine learning system built on IBM's Data Science Platform to predict extreme weather events and assess their impact on water and sanitation infrastructure in South Africa. Served as Technical team member alongside A. Bakubaku, Y. Ngqolana, S. Lugalo, and I. Nondlazi. View Project Info
    IBM Data Science Tools IBM | (2022)
    Awarded the IBM certificate for successfully satisfying the requirements for Data Science Tools on 29 October 2022, highlighting expertise in essential data science tools.
    IBM Data Science Foundations IBM | (2022)
    Earned the IBM Data Science Foundations Level 1 certificate on 29 October 2022, showcasing commitment to professional excellence in data science.