scale-ads
0→1 business pivot at Rask.AI, built as lead engineer. React 19 + strict TS + FSD, Cognito auth flows, AI chat on OpenAI, Zustand/TanStack stack.
## selected_work
recorder-extension
Chrome extension for in-browser screen/camera recording (Loom replacement). Manifest V3, service worker, WebRTC MediaRecorder, cross-context messaging.
attribution-fix
Server-side attribution fallback surviving ad blockers; enriched Mixpanel with GA4 data. Google Smart Bidding recalibrated ~2× upward → bigger paid budgets.
boosters
Monetization redesign: premium features extracted into independently deployable modules with granular pricing, feature-gating, and funnel instrumentation.
## experience
2025 — now
Rask.AI — senior product engineer
AI video localization. Lead on new product line, multi-tenant enterprise architecture, analytics infra.
2022 — 2025
Zalando — frontend engineer
10+ internal apps, TDDs, accessibility guidelines, alerting/logging/tracing, onboarding.
2021 — 2022
Sravni.ru — frontend engineer
Micro-frontends, design system integration, ads migration, mentoring.
2020 — 2021
Carl-drive / Freelance — frontend engineer
CRM tooling, site redesign, client dashboards.
## stack
const core = ["React 18/19", "TypeScript", "Next.js"]
const state = ["Zustand", "TanStack", "Redux"]
const backend = ["Node", "FastAPI", "PostgreSQL"]
const ai = ["OpenAI", "Anthropic"]
const ops = ["Docker", "K8s", "AWS", "CI/CD"]
const testing = ["Jest", "Playwright", "TDD"]
## education
B.A. Business Management & Economics
Bologna University, Italy · 2019
MITx — Intro to CS (Python)
+ 9 Udemy certs · JS / React / Testing / CSS
~/alex-zimmerman $ ./hire_me.sh