IoT Development Services in Sri Lanka
IoT development combines embedded hardware, firmware, device connectivity, backend infrastructure and software interfaces into a complete connected product.
SOLVEO develops custom IoT systems using embedded firmware, sensor integration, BLE, Wi-Fi, MQTT, backend services, dashboards and device management for enterprise and industrial applications.
What SOLVEO provides
We engineer IoT products from the ground up. Unlike typical software agencies, we handle the physical hardware interface, the constraints of the edge device, and the high-throughput requirements of the cloud backend.
- Edge Hardware Integration: ESP32, STM32, and custom PCB integration with industrial sensors.
- Connectivity & Provisioning: Secure BLE-to-Wi-Fi provisioning, SoftAP, and cellular connectivity.
- Firmware Engineering: Fault-tolerant C/C++ firmware designed for unstable power and network conditions.
- Cloud Infrastructure: High-frequency MQTT brokers, time-series databases, and scalable backend APIs.
- Dashboards & Apps: Real-time React/Next.js dashboards for device fleet management and telemetry visualization.
Typical Architecture
A production-grade IoT system requires a robust, fault-tolerant architecture to ensure data integrity even when devices go offline.
↓ (TLS over MQTT / CoAP)
[Cloud Gateway (Mosquitto / AWS IoT)]
↓ (Event Stream)
[Backend (Node.js / Go) + DB (Timescale / PostgreSQL)]
↓ (REST / WebSockets)
[User Interface (Web Dashboard / Mobile App)]
Common Failure Points & Limitations
We build systems anticipating failure. Many IoT projects fail outside the lab because they assume perfect Wi-Fi or stable power.
Connectivity Drops: We implement local telemetry caching. The device stores unsent telemetry locally when MQTT connectivity is unavailable and flushes it upon reconnection.
Provisioning Friction: BLE provisioning avoids forcing users to leave the mobile application, but it adds Bluetooth protocol complexity and may require additional platform-specific handling.
Technologies we use
ESP-IDF, FreeRTOS, C/C++, MQTT, WebSockets, Node.js, React, React Native, TimescaleDB, AWS IoT, Mosquitto.