Open to Work

David
Rajnoha

Bridging design and code — design, engineering, and AI agentic systems end-to-end.

Figma•React•Next.js•TypeScript•Tailwind CSS•AI Automation•Adobe•Animation•UI/UX Design•

Selected Work

(2026)

01 · PreviewRELO — Back Office Bot for Real Estate

AI back-office agent for Czech real-estate agencies. 6-day competition sprint on top of a multi-month foundation — 27 typed tools, 1,700+ tests, multi-step agent loop with semantic memory + activity log, ČÚZK Katastr + ISIR integrations.

Autonomous AI AgentThree-Layer MemoryMulti-step LoopTypeScriptNext.js 16OpenAISupabasepgvector

View Case Study

2 Projects · 2025–26↳ Hover to expand · Tap on mobile

OpenAI Powered

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Career
Timeline

I ship AI-first full-stack products end-to-end — UX, UI, production code, and autonomous AI agents. 13 years of graphic / UI design craft behind it (since 2013 — tools evolve, taste doesn't). Design and engineering in one head, zero handoff loss.

Education

UX/UI Design from Scratch

Software Development Academy / Sep 2023

01 — Design Engineer

2025 – present

End-to-end product delivery: From design systems in Figma to production code (Next.js, Supabase, TypeScript). One person on both ends of the pipeline — zero handoff loss.
AI agentic systems: Shipping production AI agents with typed multi-step tool loops, semantic memory (pgvector), and self-healing knowledge pipelines. Multi-tenant platforms and back-office automation.

02 — UX/UI Designer

2025

Data-driven design: Designing e-commerce solutions and landing pages focused on conversions. Creating scalable design systems.
Technical handoff: Preparing assets with code feasibility in mind (HTML/CSS), ensuring smooth collaboration with developers.

03 — Senior Graphic Designer

2024 – 2025

Brand & Performance: Creating visual concepts for multichannel campaigns with focus on performance goals.
Motion Design: Producing dynamic video content and post-production for ads to increase social media engagement.

Status: Available

Let's Work
Together

davidrajnoha@bnsf-studio.com

Location

Ostrava, Czech Republic

Remote (Global)

Stack

Next.js / React

UI/UX / Figma

DavidRajnoha