Full-stack Engineer • Founder • Problem Solver
Leveling up digital products
I design, build and ship scalable web & mobile experiences that feel fast, beautiful, and reliable.
Profile Progress
Njabulo Siphiwe
Full-stack Engineer • Founder @ Growbit
Active Quests
About
Who I Am
Adaptable software engineer with hands-on experience in mobile and full-stack web development. Strong communicator and fast learner, passionate about optimizing user experiences and delivering scalable solutions.
Njabulo is a software engineer with a degree in Information Technology majoring in Computer Science and Informatics (2022). He is passionate about using data and technology to solve real-world problems and create social and economic value.
He has worked as a Mobile Engineer Intern at Media24 (2023), primarily using React Native, and currently builds solutions through Growbit Technologies — including platforms like The Grad Store, GigLinkAI, and JobSearchly.
Education
Bachelor of Science in Information Technology
Computer Science & Informatics
University of Johannesburg | 2019–2022
Completed a comprehensive 3-year programme covering software engineering, algorithms, systems design, mathematics, IT management and data-centric problem solving.
Key Modules:
Computer Science (1A, 1B, 2A, 2B, 3A, 3B) – programming, data structures, algorithms, operating systems, mobile/web development.
Informatics (1A, 1B, 2A, 2B, 3A, 3B) – systems analysis, databases, information systems, UX, enterprise systems.
Mathematics (1A1E, 1A2E, 1A3E, 1B, 2A2, 2B2, 2A4, 2B4) – calculus, linear algebra, discrete maths, logic, modelling.
IT Management (1A, 1B) – project management, IT governance, business processes.
Language & Skills for Science – academic, scientific, and technical communication.
Core Competencies:
Software Engineering & Development
Object-oriented programming (Java, C++, C#), mobile & web development, algorithms & data structures, operating systems, software architecture.
Data & Information Systems
Database design (SQL, ERD diagrams, normalization), systems analysis & design, business information systems, data modeling.
Mathematical & Analytical Skills
Calculus, algebra, discrete mathematics, logical reasoning, scientific communication.
IT & Business
IT governance & strategy, project management fundamentals, business processes & digital transformation.
Languages
Experience
Professional Journey
My professional journey and project contributions.
- Assisted in the design and development of React Native mobile applications for iOS and Android.
- Collaborated with senior engineers in an agile environment, improving app stability and performance.
- Gained hands-on experience in API integration, debugging, and version control.
- Strengthened understanding of software lifecycles and CI/CD practices.
- Developed a full-stack e-commerce web app with integrated Yoco payments and WhatsApp order flows.
- Built role-based admin dashboard with real-time order, stock, and sales management.
- Implemented inventory management, sales rep dashboard, bonus rewards, and AI artwork previews.
- Built using Next.js, Supabase, Tailwind, and shadcn for a scalable and modern platform.
- Built an Uber-style job marketplace where workers quote for jobs using credits.
- Implemented escrow logic for secure transactions between clients and workers.
- Developed comprehensive admin panel for platform management and oversight.
- Integrated AI-powered quote previews to enhance user experience.
- Developed a smart tutoring management platform connecting tutors, learners, and parents.
- Implemented class scheduling, attendance tracking, and automated invoicing systems.
- Built secure payment processing and real-time session management features.
- Created comprehensive dashboard for tutoring businesses to manage operations efficiently.
- Developed a mobile version of the CV builder using React Native and Supabase.
- Built cross-platform mobile application for iOS and Android devices.
- Implemented seamless data synchronization and user authentication.
- Developed a digital K53 learning solution for South African learners preparing for driver's license tests.
- Built structured study material, practice tests, and comprehensive road sign guides.
- Implemented rules of the road and vehicle controls educational content.
- Created an intuitive platform to help learners pass their learner's and driver's license tests.
Expertise
Technical Skills
A comprehensive overview of my technical expertise and capabilities.
Languages
- ›C++
- ›Java
- ›JavaScript
- ›SQL
- ›TypeScript
Frameworks & Tools
- ›React
- ›Redux
- ›Git
- ›Azure
- ›React Native
- ›Supabase
- ›Next.js
Web & Mobile Development
- ›Responsive UI
- ›full-stack systems
- ›cross-platform apps
System Dev
- ›Secure auth
- ›database schema design
- ›real-time features
Soft Skills
- ›Team collaboration
- ›problem-solving
- ›Agile methodologies
Portfolio
Featured Projects
Showcasing a selection of my recent work across web and mobile platforms.
Contact
Let's Work Together
Have a project in mind or just want to say hello? I'd love to hear from you.
Connect with me professionally
View ProfileGitHub
Check out my code
View ReposQuick chat
MessageEmail me directly:
Njabulo.Bhengu@growbittechnologies.co.za