# Simon Loffler | sighmon

> Simon Loffler (sighmon) is a software developer based in Adelaide, South Australia. He specialises in Python/Django, Ruby on Rails, Swift (iOS), Android, infrastructure (Terraform/Kubernetes), and hardware/IoT prototyping with Arduino, Raspberry Pi, and environmental sensors. He works remotely for ACMI (Australian Centre for the Moving Image) building museum technology infrastructure, APIs, and exhibition systems. Founding member of MOD. museum and Adelaide Hackerspace; maintains digital products for New Internationalist magazine. Interests include sustainable tech, open source, equity, electronics, film, and space.

## About & Portfolio
- [Personal Website](https://sighmon.com/): Full portfolio - "What I do", selected work, conference talks, and open-source highlights.
- [Resume / CV](https://sighmon.com/simon-loffler-resume.pdf): Professional PDF resume with detailed experience, skills, and achievements.

## Blog
- [Blog: Error Therapy](https://sighmon.com/says/): Personal technical writing on coding, hardware projects (solar-powered air-quality & CO2 sensors, LoRaWAN water sensors, Prometheus/Grafana dashboards), iOS/macOS apps, and the frustrations & successes of building things.
- [ACMI Labs posts](https://medium.com/@simon.loffler): Professional writing on museum technology, visitor focused software development, and AI experimentation.

## Open Source
- [GitHub Profile @sighmon](https://github.com/sighmon/): All repositories and contributions.
- [mjml-rails](https://github.com/sighmon/mjml-rails): Rails gem for MJML email templates (7.9M+ downloads).
- [Powerwall-TV](https://github.com/sighmon/Powerwall-TV): Apple TV & macOS app for Tesla Powerwall monitoring.
- [homekit-powerwall](https://github.com/sighmon/homekit-powerwall) & [homekit-enviroplus](https://github.com/sighmon/homekit-enviroplus): Apple HomeKit accessories for Powerwall and Enviro+ sensors.
- [ios-ble-co2-sensor](https://github.com/sighmon/ios-ble-co2-sensor): iOS/macOS app for Sensirion SCD-41 CO2 sensors.
- [NI digital editions & apps](https://github.com/sighmon?tab=repositories&q=NI): New Internationalist magazine web & mobile apps.

## Contact
- Email: sighmon@sighmon.com
- [Keybase](https://keybase.io/sighmon) (key: FE44 56A4 49BD 1486 247F F787 89BB F41F DC97 AF5D)
- [X / Twitter](https://x.com/sighmon)