Alex R.
Product Engineer

Product-minded full-stack engineer who designs and builds SaaS products, internal business tools and operational mobile applications—from product structure and UX to backend, data, deployment and release hardening.

Germany100% remoteSelected roles and client projectsDirect, written communication
AR

Best-fit roles

Primary
Product Engineer
Also relevant
Full-Stack Developer · product-minded Software Engineer
Environment
Small or focused teams with real product ownership and remote collaboration
Ownership
Product structure, UX, frontend, backend, data, deployment and release readiness

Client fit

Products
SaaS, internal tools and operational mobile workflows
Rescue work
Release blockers, architecture issues, unreliable flows and difficult bugs
Delivery
Scoped milestone, written decisions, working increments and explicit limitations
Not the main lane
Branding-only or visual-only work without product engineering

Core technologies

TypeScriptReactNext.jsNode.jsPostgreSQLPrismaFlutterSwiftUISupabaseVercel

Selected work and proof

QR PlatformPrivate SaaS build · owner-reported

Multi-tenant architecture, organization roles, plan entitlements, dynamic routing and custom-domain foundations. Private claims remain explicitly labelled.

RepoReadyWorking local browser demo · architecture evidence

Evidence-first repository analysis with deterministic rules, severity, source locations and concrete next actions.

HoldThatThoughtPublic Swift repository · independently inspectable

Native macOS utility with global shortcut, menu-bar workflow, local persistence, tests and documented distribution limitations.

Warehouse AppPrivate Flutter build · owner-reported

Mobile inventory, scanning, stock movement history, low-stock states and backend integration for operational workflows.

How I work

Be direct, be kind and keep the promise. I write decisions down, surface missing information early and would rather disclose a limitation than hide it behind presentation.

Contact

Email: Rotfuss.aro@gmail.com
Public code: github.com/Koyogtre

No invented years of experience, client logos, revenue or user metrics are included in this profile.

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