General Software Engineer specialising in modern web applications, APIs, data visualisation and cloud-hosted systems.
I am a software engineer with over four years of experience building data-intensive web applications, backend services and interactive digital products.
I currently work as a Frontend Engineer at Zimmerman B.V., where I contribute to reporting and data-visualisation platforms using React, TypeScript, Apache ECharts, D3.js, Strapi and LoopBack.
I also work across backend development, authentication, databases, automated testing, DevOps and cloud deployment.
- 🎓 MSc Computing — Software Engineering at the University of Northampton
- 💻 Building applications with React, TypeScript, Python and Node.js
- 📊 Experienced in interactive data visualisation and report-building tools
- ⚙️ Interested in scalable APIs, system design and developer tooling
- ♿ Researching smart-glasses technology for low-vision assistance
- 🌱 Currently improving my knowledge of mobile development and software architecture
I build configurable reporting experiences that allow users to transform datasets into interactive charts, dashboards and reports.
My work includes:
- Dynamic Apache ECharts and D3.js visualisations
- Interactive report builders
- Drag-and-drop layouts
- Resizable report columns
- Dataset filters and top-value grouping
- Asset libraries and report previews
- Autosave and error-recovery workflows
- Responsive and accessible interfaces
I develop applications across the full software lifecycle, including:
- REST API design and implementation
- Authentication and authorisation
- Relational database modelling
- Background services and caching
- Real-time messaging with WebSockets
- End-to-end and unit testing
- Docker-based deployments
- CI/CD automation
A community-powered evidence and research platform where users can create public claims, add references and collaboratively assess the quality of supporting or disputing evidence.
Technologies: React, TypeScript, NestJS, PostgreSQL and Auth0
Key areas include:
- Claims and evidence management
- Source classification
- Tags and categories
- Community ratings
- Comments and review notes
- Moderation and reporting
- Role-based access control
An MSc research project exploring how smartphones and USB-C smart glasses can support people with peripheral-vision loss or tunnel vision.
The system explores:
- Custom Android secondary-display output
- Camera-based scene processing
- Object and sign identification
- Visual information enhancement
- Audio-based assistance
- Multimodal accessibility
Technologies: Kotlin, Android, USB-C displays and computer vision
At Zimmerman B.V., I contribute to interactive data and reporting platforms used to explore complex financial, programme and public-health datasets.
My contributions include chart configuration, report-building workflows, responsive layouts, asset handling, CMS integrations, testing and backend performance improvements.
I am interested in opportunities involving full-stack engineering, frontend architecture, data visualisation and software products that solve meaningful problems.
- Email: okechukwusamuel16@gmail.com
- LinkedIn: Okechukwu Samuel Owhondah
- GitHub: @Psami-wondah