Senior full-stack developer and founder based in Oulu, Finland. I build marketplace platforms and content infrastructure, mostly in Rails and on AWS.
LinkedInreipas.ioristo@viher.it
A coordination layer for local and wild food, connecting foragers, fishers, and small producers directly with consumers. Multi-tenant Rails 8 monolith (Solid Trifecta, Hotwire), running in production on European infrastructure. Co-funded by the EU via Oulun Seudun Leader ry (EAFRD 2023–2027).
Leading technical work across content platforms serving 300k+ registered users, modernizing 40+ years of legacy systems with Next.js, Django Wagtail, and Terraform on AWS.
Go-to-market toolkit and knowledge base for Oulu startups.
FastAPI service exposing the VIEWS conflict-forecasting dataset as a clean REST API.
Roughly a decade across fintech, messaging platforms, and automotive systems before moving into founding and tech leadership. Earlier work spanned AI chat applications for banking, large-scale SMS infrastructure, and embedded HMI development.
Stack: Rails · Hotwire · React · Next.js · Python · Django · AWS · Terraform