We build industrial IoT monitoring for hospitals and manufacturing plants (e.g., fridge/OT room temperature, differential air pressure, AC current, chiller trip sensors, water level). We need a hands‑on engineer to help us ship an MVP and then iterate.

Read from Modbus RTU/TCP (RS485) and/or vendor payloads (hex frames).

Optional: LoRaWAN via ChirpStack or gateway API.

Publish to cloud via MQTT/HTTPS with retry & basic buffering.

MQTT/REST ingest service (Node.js/TypeScript or Python/FastAPI).

Time‑series DB (TimescaleDB/PostgreSQL or InfluxDB ).

Auth (JWT), org/site scoping.

Alerting : threshold rules, hysteresis, delay, notification via Email / WhatsApp / Telegram (any two to start).

Reports: daily summary (PDF/CSV export).

DevOps

Docker Compose for local/dev.

Basic deployment guide (Ubuntu VM).

README + short vi...