profile.pdf → parsed

VitaliiBabynin

Software Engineer & AI Architect

Turning voice, text, and documents into structured, auditable data. Ten years of shipping software, the last two AI-native, built to GDPR-grade governance.

Resume pdfLinkedIn ↗GitHub ↗

based: Germany
since: 2015
focus: LLM systems

what I build, in one loop

intake / voice_note_0412.m4atranscript

Site visit at Hauptstraße 12. Roof membrane is torn on the north side, roughly forty square metres. Has to be fixed before the first frost.

{

"address": …,

"defect": …,

"area_m2": …,

"due": …

}

extracting_ 0/4conf — · …

voice → jsonscans → recordschat → crmdocuments → searchtenders → pipelinesfield notes → audit trailvoice → jsonscans → recordschat → crmdocuments → searchtenders → pipelinesfield notes → audit trailvoice → jsonscans → recordschat → crmdocuments → searchtenders → pipelinesfield notes → audit trailvoice → jsonscans → recordschat → crmdocuments → searchtenders → pipelinesfield notes → audit trail

02/ expertise

What I build with

Five capability clusters and the 36 technologies behind them. Drag the model; hover a cluster to isolate it.

fig.1 — skills model

5 clusters · 36 nodes · drag ↻

loading model…

01AI / LLM Engineering
9
Claude · GPT · Gemini · Azure Document Intelligence · Retell · RAG · ChromaDB · MCP · langextract
02Offline-First Field Capture
5
React Native / Expo · PowerSync · Convex · QR / NFC · Real-time sync
03Compliance & Governance
6
HIPAA · GDPR · Multi-tenant isolation · Audit logging · EU residency · Local LLMs
04Full-Stack
8
Next.js · React · TypeScript · Tailwind · FastAPI · Prisma · Node.js · Python
05Cloud & Integration
8
Azure · Google Cloud · Vercel · RunPod · Microsoft Graph · Entra ID · Stripe · CCXT

03/ selected work

Shipped & running

Products I designed, built and operate myself. Employer and client work stays under NDA, so it is described in Experience instead.

01 / 03

Robot Army HQ

Multi-tenant AI-receptionist SaaS (built, pre-launch). A Retell voice + chat agent captures booking requests and auto-generates per-prospect demo sites, with Stripe billing and real server-side multi-tenant isolation — architected toward HIPAA/GDPR.

Retell
Convex
Anthropic SDK
Multi-tenant

Visit robotarmyhq.com

02 / 03

Shukai

Live commercial web platform (shukai.eu) for running outdoor treasure-hunt events — real-time, QR scanning, maps, role-based access and i18n. A companion offline-first React Native/Expo app (PowerSync sync) is in development.

Next.js
Convex
React Native/Expo
PowerSync

Visit shukai.eu

03 / 03

Financier

Multi-exchange / multi-account finance dashboard aggregating balances via CCXT, with encrypted credential storage, daily time-series snapshots and 20+ architecture decision records.

CCXT
Convex
Encrypted credentials
Recharts

Visit financier.site

04/ experience

Ten years, in order

From games and Ethereum contracts to production LLM systems. The last two years are AI-native.

May 2026 – PresentKönigswinter, GermanyRemotecurrent

Senior Software Engineer & Head of AI Development

Chirayou GmbHchirayou.com ↗

Preventive-health company. Joined as the first dedicated AI engineer on the product and growth side, building AI into the company's digital products and the team's daily workflows — solo, AI-agent driven, with a human approval on everything that reaches the public.

aDesigned and built the company's internal AI operations platform end to end: content, marketing and media workflows with an append-only audit trail.
bAI content pipeline: a topic becomes a cited, bilingual (DE/EN) article that passes compliance and fact-check gates before one-click publishing.
cRebuilt and launched the public company website, with gated previews, edge A/B testing and a confirmed manual release to production.
dHuman-in-the-loop paid-ads recommender and landing-page experiments with a measured false-positive rate.
eVideo studio for social reels: transcription, edit-by-text, branded captions and per-platform export.
fMCP server that brings brand, claims-compliance checks and on-brand imagery into each colleague's own Claude.
gHealth-data environment: GDPR and Art. 9 special-category data handled under professional secrecy.

Claude / Anthropic SDK
MCP
TypeScript
Next.js
Google Cloud
Cloudflare Workers

Sep 2024 – PresentMönchengladbach, GermanyRemotecurrent

Founder & Technical Lead

Robot Army

Independent AI software practice. Architect, build, deploy and operate AI products and prototypes end-to-end as sole senior technical lead — voice/chat agents, document-extraction pipelines, multi-tenant SaaS, semantic search, and offline-first mobile apps.

Claude / Anthropic SDK
Next.js
React Native/Expo
TypeScript
Python
Convex

Mar 2021 – Sep 2024Düsseldorf, GermanyRemote

Shopify Web Developer

Freelance

Built custom Shopify websites with payments, tracking, fulfillment, chatbots, and marketing integrations.

Shopify
Liquid
Klaviyo
Zapier
Bootstrap
Facebook Business Manager

Jan 2021 – Mar 2021Hilden, GermanyOn-site

Full Stack Developer

SHR Germany GmbH

Created and maintained Prestashop/WooCommerce websites with Bootstrap 5, dark mode, and custom modules.

Prestashop
WooCommerce
PHP/SQL
JavaScript
SASS
jQuery

Sep 2016 – Jan 2021Kyiv, UkraineHybrid

Mobile App Developer

SmallDevTeam

Created WeightWatching app, puzzle/logic games, and Facebook Graph API integrations.

Unity
C#
React.js
Cordova
PhoneGap

May 2017 – Sep 2018Kyiv, UkraineHybrid

Blockchain Developer

Soulestate.io

Developed smart contract on Ethereum for real estate investment digitization.

Solidity
Ethereum

▶ Watch the demo video ↗

05/ about

Background

location: Mönchengladbach, Germany
English: Native
Russian: Native
Ukrainian: Native
German: A2
French: A1
off-hours: Piano composition, Guitar, Biking, Boating, Traveling

A decade building software (since 2015), the last two years AI-native. I design and operate systems that turn voice, text, and documents into structured, auditable data — OCR/extraction pipelines, voice and chat agents, semantic search, multi-tenant SaaS, and offline-first mobile — built to real governance standards (GDPR, HIPAA-architected, EU data residency, audit logging).

Verified skill assessments — TestGorilla, 2026 (valid to 2028)

years shipping

0th

Communication · pct

0th

Problem Solving · pct

0th

Time Management · pct

Skills, strongest first

AI / LLM Engineering: Claude / Anthropic SDK · GPT · Gemini · Azure Document Intelligence · Claude Vision · langextract · Retell (voice agents) · Azure AI Search · Embeddings / RAG · ChromaDB · Local LLMs (LM Studio · Hermes) · ComfyUI · MCP servers
Compliance & Governance: HIPAA-architected · GDPR · Multi-tenant isolation · Audit logging · EU data residency · Privacy-first / local processing
Frontend: Next.js · React · React Native / Expo · TypeScript · Tailwind CSS · shadcn/ui · Three.js · Framer Motion · Recharts
Backend: Node.js · Python · FastAPI · Prisma · SQL
Databases: Convex · Supabase · PowerSync · Azure SQL · DuckDB · MariaDB
Cloud & DevOps: Azure · Google Cloud · Vercel · RunPod · EAS · Git · Linux
APIs & Integrations: Stripe · Clerk · Microsoft Graph · Entra ID / MSAL · Retell · Resend · CCXT · Apify · Firecrawl
Languages: TypeScript / JavaScript · Python · C# · PHP · SQL · Solidity
Also / Earlier: Shopify · Liquid · WordPress · Prestashop · WooCommerce · Unity · Cordova · Ethereum

Education

State University of Infrastructure and Technology
Bachelor of Science, Computer Science
2014 – 2018
Kyiv, Ukraine
The University of Edinburgh
Economics
2013 – 2014
Edinburgh, UK
Queen Mary University of London
Economics
2012 – 2013
London, UK
Winchester College
High School Diploma — Independent boarding school (founded 1382)
2007 – 2012
Winchester, UK

VitaliiVitaliiBabyninBabynin

What I build withWhat I build with

01AI / LLM Engineering

02Offline-First Field Capture

03Compliance & Governance

04Full-Stack

05Cloud & Integration

Shipped & runningShipped & running