Іван

IVAN HUSAR
AI Product Builder • Full-Stack Implementer • Security-Aware
Automation
Prague, Czech Republic (EU) • [open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section)

SUMMARY
AI product builder with hands-on experience shipping AI agents, RAG systems, SaaS MVPs,
and automation products. Works across TypeScript/JavaScript, Next.js, React, Supabase,
PostgreSQL, and LLM tools, mostly through AI-assisted development workflows with
Claude/Claude Code. Focuses on practical implementation, architecture, integrations,
deployment, and growth rather than low-level software engineering.

SKILLS & TECHNOLOGIES
Category Technologies & Competencies

Programming & Scripting TypeScript/JavaScript, SQL, GLSL —
practical project experience with AI-assisted
coding workflows.

AI / LLM Claude, Claude Code, Gemini, pgvector
RAG, agentic pipelines, prompt engineering.

Frontend & UI React, Next.js App Router/RSC/Server
Actions, React Native, Tailwind CSS,
Three.js, GSAP.

Backend & Data Node.js, Supabase, PostgreSQL, Prisma,
Deno edge functions, serverless + cron.

Security Awareness AST-based checks, offensive-AI auditing
concepts, SSRF/CSP, JWT auth, EU AI Act,
Category Technologies & Competencies

NIS2, GDPR.

Workflow & Product Claude/Claude Code for code generation,
refactoring, debugging; Vercel, Cloudflare,
Stripe, CRM, B2B sales.

EXPERIENCE

AI Product Builder & Full-Stack Implementer

Independent | Prague, Czech Republic | 2024 – Present

●​ Built AI agents and automations for European businesses with AI-assisted
development workflows: WhatsApp/phone booking agents, tier-one support bots, lead
scoring/routing, and document processing.
●​ Implemented private RAG search over client documents with vector embeddings
using pgvector; shipped web/mobile apps, marketing sites, and internal tools replacing
SaaS subscriptions.
●​ Bryxe: Created a security-analysis MVP using custom AST traversal, 350+
vulnerability checks/patterns, CVE-oriented rule mapping, compliance scoring, JWT
auth, Stripe billing, GitHub integration, PDF reports, and API endpoints.
●​ Delivered practical builds with EU compliance awareness and handled deployment
across Vercel, Cloudflare, Supabase, and PostgreSQL.

AI Product Builder / Technical Founder / Growth Engineer

Synelo Studio & DayriOS | Prague, Czech Republic | 2024 – Present

●​ Founded and shipped three AI-native products in parallel, owning product strategy,
architecture, AI-assisted implementation, integrations, and deployment across web,
mobile, and desktop.
●​ Synelo Studio: AI-native development studio for business agents, web/mobile apps,
internal tools, and automation.
 ●​ DayriOS: Consumer AI life-management app combining planner, budget tracker,
habits, coaching, Telegram nudges, iOS/Android delivery, and a PWA.
●​ Built an autonomous cold-outreach pipeline with a self-learning epsilon-greedy tone
policy and a multi-tenant content engine for Instagram, Threads, X, and LinkedIn with
predictive engagement scoring.

ADDITIONAL GROWTH & CREATIVE EXPERIENCE

Performance Marketing & SMM Manager

Auto Parts (Uzhhorod) & Crypto/Finance Brand (Remote) | 2022 – 2025

●​ Ran Meta and TikTok ads, produced ad creatives, managed content strategy,
reporting, CRM, and B2B/direct sales.

Freelance Designer, Video Editor & Content Manager

Remote Automotive & Media Clients | 2017 – 2024

●​ Delivered graphic/print design, video shooting/editing, scripts, and brand content
across channels.

EDUCATION, LANGUAGES & STRENGTHS
Education Languages Strengths

BSc, Cybersecurity Ukrainian: Native ●​ Builds and ships
Uzhhorod National Russian: Native/Bilingual end-to-end.
University, 2021–2025 English: B1 (Intermediate) ●​ Bridges engineering
and GTM.
Czech: A2 (Elementary)
Certificates: ●​ Fast, self-directed
SMM (2023) learner.
●​ Comfortable owning
FB & IG Targeting (2024)
Education Languages Strengths

ambiguity.