Software Developer
11/2025–Suomen Tekojää Oy · ice rinks, heat pumps and refrigeration
Designed and built the company's internal operations platform, which is in daily production use by about 15 people, with rollout still expanding. I am responsible for its development and operation.
- 400+ devices across 200+ sites
- 20,000+ files and images
- ≈ 100,000 changes in the audit trail
- Operations platform.NET 10 · Blazor · PostgreSQL Equipment registry, service and work reports, project management, chat and notifications.
- PLC data collectorPython · Windows service Collects data from controllers at customer sites. Setup wizard and signed automatic updates.
- AI assistantClaude API · Ollama · RAG Finds and works with company data within each user's access rights.
- Customer portalASP.NET Core Separate internet-facing app for customers, isolated from internal data.
- Server infrastructureDocker · Nginx · Linux Deployments, backups, monitoring and security on company-owned hardware.