DDvibez
Portfolio

Selected work.

A cross-section of what we've shipped — across software, AI, mobile, embedded, and hardware.

Realtime chat backbone
Software
Realtime chat backbone

High-throughput messaging pipeline handling 50k concurrent sockets.

WebSocketsRedisNode.js
Edge sensor fleet
IoT
Edge sensor fleet

Distributed environmental sensors with OTA firmware pipeline.

ESP32MQTTAWS IoT
RAG knowledge assistant
AI
RAG knowledge assistant

Enterprise assistant grounded on internal documentation.

LangChainPineconeOpenAI
Fintech mobile app
Mobile
Fintech mobile app

Cross-platform mobile banking client for a Nigerian startup.

FlutterFirebase
Multi-layer PCB
PCB
Multi-layer PCB

6-layer PCB for a low-power industrial controller.

KiCadSTM32
Motor control firmware
Embedded
Motor control firmware

Field-oriented control firmware for BLDC motors.

CSTM32FreeRTOS
Company web platform
Web
Company web platform

Marketing + docs platform for a developer tools startup.

Next.jsTanStack
Automation platform
Software
Automation platform

Durable workflow engine for internal operations.

PythonTemporal