Products & Services
SummerIsland Systems designs, builds, and supports web and mobile applications for businesses and organizations. Our core service lines cover the full lifecycle — from idea to deployment to ongoing support.
Web Application Development
We build production-grade web applications — from corporate websites and e-commerce storefronts to full SaaS platforms and admin dashboards. Every project is architected for scale from day one, with proper security, caching, and monitoring baked in.
- Corporate websites & WordPress themes (Elementor-ready)
- E-commerce & WooCommerce storefronts
- Custom web platforms on Node.js, React & PostgreSQL
- Paystack and international payment integrations
- Admin dashboards with role-based access
- Cloud deployment on Render, Vercel, and AWS
Mobile Application Development
Native-feeling mobile apps for both Android and iOS from a single codebase. Whether it's a customer-facing app, an internal field tool, or a WhatsApp-powered experience, we ship mobile products that work reliably on Nigerian networks.
- Flutter cross-platform apps (iOS & Android)
- WhatsApp Cloud API & Telegram bot platforms
- Push notifications & offline-first data sync
- In-app payments (Paystack & card processors)
- Google Play Store & App Store publishing
- Post-launch updates & version management
Business Software Solutions
Tailored software that fits how your business actually operates — inventory systems, booking platforms, CRM tools, reporting dashboards, and workflow automation. We replace spreadsheets, WhatsApp groups, and manual processes with proper software.
- Custom ERP, CRM & inventory management
- Booking, appointment & scheduling platforms
- Reporting dashboards & business analytics
- Workflow automation & internal tooling
- Staff-facing admin portals
- Ongoing feature development & support
Digital Systems Integration
We connect the systems your business already uses so they talk to each other — payment gateways, messaging platforms, accounting tools, CRMs, and third-party APIs. Stop doing the work twice.
- Paystack, Flutterwave & payment gateway integration
- WhatsApp & Telegram messaging automation
- CRM, ERP & accounting software connectors
- Custom API development & third-party sync
- Cloud storage & media pipeline (Cloudinary, S3)
- Data migration between legacy & modern systems
A four-phase delivery process
Discovery
We sit down with you — remote or in-person — to understand the problem, the users, and the commercial goal. You leave with a written scope.
Design & Architecture
Wireframes, data models, and infrastructure plans. You see the shape of the solution before a single line of code is written.
Build & Iterate
We ship in short sprints with visible progress. You get a staging link from week one and can weigh in on every iteration.
Launch & Support
Production rollout, team handover, and an ongoing support agreement. We don't disappear after launch.