Stack
Technology
The stack NextWR actually works in, grouped by the layer it belongs to. A connected product touches every one of these layers, which is why they are chosen together rather than one at a time.
How the layers connect
A fingerprint scan on a terminal becomes a notification on a parent's phone. Between those two moments the event crosses six layers, and every one of them is software NextWR writes.
Six connected layers from left to right: device software, network, API, database, web dashboard and mobile app, ending at the people who use them.
Backend
PHP · Laravel · Node.js · Python
Frontend
React · Next.js · JavaScript · Bootstrap · React Query · Axios
Mobile
React Native · Flutter
Databases
MySQL · MongoDB · Redis
Infrastructure
Linux · Docker · Docker Swarm · Kubernetes · Traefik · Proxmox · Ceph · GlusterFS · ZeroTier · load balancers · reverse proxies
IoT
AOSP Android terminals · fingerprint readers · RFID and card readers · 4G · Ethernet · Wi-Fi · device provisioning · device monitoring
AI
LLM application development · automated generation and evaluation · local and edge inference research
Tooling
Git · GitHub · Composer · npm · Yarn · Gradle · Android SDK
Choosing rather than collecting
A stack is a set of commitments, not a badge collection. Laravel and Node carry the APIs because the team writes them daily and reads them fast. React and Next.js carry the web front ends for the same reason. MySQL is the default relational store, MongoDB holds documents that do not want a schema, and Redis absorbs sessions, queues and caches.
Infrastructure follows the same rule. Docker Swarm is enough for most deployments and costs far less to operate than Kubernetes; Kubernetes is used where the workload justifies it. Nothing here is present because it is fashionable.
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