Minimum Viable Product (MVP) and rapid software prototype development

Ship your mobile, desktop, embedded or web project with a senior engineer who's done it before.

I'm Sean Ashton, the engineer behind Schimera. I build full-stack solutions across mobile, embedded, desktop and web — and I specialise in Chainway mobile computers, RFID, NFC, and barcode scanning for high-volume systems like warehousing, logistics and asset tracking.

Whether you need a complete product built or an expert to unblock your team, you work directly with me — no agency layers, no hand-offs.

Kotlin · Swift · Rust · Python · C/C++ · Java · JavaScript · Django

Tell me about your project

Mobile software development

I design and build scalable, maintainable mobile solutions, ensuring consistent user experiences across platforms.

I focus on creating applications that clients can manage and update with minimal ongoing developer involvement, supporting long‑term reliability and growth.

Web development

I deliver modern web development solutions using technologies such as Python/Django, Rust, Tailwind CSS, JavaScript, Alpine.js, and htmx.

Providing end‑to‑end development, combining responsive interfaces with secure, scalable backend architecture to support long‑term business growth.

Embedded devices and gadgets

ESP32, ESP32-S3, ESP32-C3, ESP8266, Arduino, rPi, rPi Zero, Beaglebone Black

Desktop applications

I deliver cross‑platform desktop application development for macOS, Windows, and Linux, creating secure, high‑performance software tailored to operational and business requirements.

System administration

Need expert advice or ongoing management for your systems? At Schimera I provide reliable, flexible system administration services to keep your infrastructure running smoothly and securely.

GIS technologies

GeoServer, MapServer, GeoJSON, PostGIS, MapBox, MapBox offline maps

Offline vector MapBox map packs

Offline vector MapBox packs optimised for small download size and compatible with both Android and iOS MapBox SDK