AI Developer & Design Engineer

Ilan Lenzner

Full-stack AI developer with a designer’s eye. I build AI tools end to end - backend, frontend, model pipelines and deployment - and ship them to production. My edge is engineering that ships, plus the design judgment to know what is worth building.

Also as a PDF: AI Engineer · Product Designer
6 AI toolsfor Playtika, month 1
20 live appsshipped in 2026
58 MB → 455 KB3D model
10 GB PSDsrethemed, editable

Shipping logas of 16 Oct 2026

124commits in the last 30 days9 projects · active 20 of 30 days · last 7 days in violet
124 commits in the last 30 days, across 9 projects, on 20 of 30 days
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Is he a fit? Ask his AI

Answers come from his AI twin, trained on his real work - honest about the gaps too. Or call it by voice.

Built in 2026, checked live

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+5 personal and client-private projects not listed here. More (Lola - an AI agent with 240+ tools, Lens, InkForge) at ilans.net and github.com/ilan-stack · essays at ilans.net/writing

Experience

AI Creative Specialist (Contract) - Playtika

2026 - present

Built and deployed an internal portal of six AI production tools in my first month - containerized services behind nginx on an on-prem GPU server

  • PSD Retheme - rethemes a layered game-UI Photoshop file from a text prompt and returns a live PSD - editable text, effects and smart objects intact - after a brief-and-preview approval step. Handles ~10 GB production files; no off-the-shelf tool we found did this end to end.
  • Loc Studio - localization pipeline that translates, checks in code, and sends every string to several independent AI reviewers - a human is asked only where the evidence is weak. Model cost shown per run.
  • Icon Studio - generates game icons in the style of an existing art set, from a concept image or a list of names.
  • Spine Extract - extracts animations, characters or parts from Spine exports, cuts atlases, and transplants characters between files - pure Python.
  • Also deployed two of my own pre-existing tools for the team: AI Studio, an on-prem ComfyUI studio (image, video, 3D, audio) kept local so studio assets never leave the machine, and Sprite Studio for video-to-spritesheet export.

Independent - AI Development & Design Engineering

2026 - present

Designed and built for clients, end to end

  • The Guberman Group (accounting & finance group) - a branded toolkit: a presentation builder with the brand's design language and animations built in, an animated email-signature generator for staff, and a Teams video filter that adds the company banner to every employee's camera.
  • HaNoar HaOved VeHaLomed (national youth movement) - an AI pipeline that turns free-form activity plans into the organisation's official format: one model proofreads with an auditable change log, a second restructures it into their own Word template. Live in production.

Senior Product Designer - Sett

2025 - 2026

AI tools for a ~100-person playable-ad production team

  • Designed an AI character-animation pipeline with a human-in-the-loop review step - ~4 h to ~15 min per asset, adopted team-wide.
  • Shipped 5 After Effects extensions with AI built directly into the motion team's workflow, removing context-switching from their day.

Design Lead, Digital Health - Rabin Medical Center

2023 - 2025

Clinical software used across 4 hospital departments

  • Led UX research with physicians and nurses; translated clinical needs into a shipped AI patient-engagement system.
  • Authored the team's guidelines for using generative AI in clinical tools, adopted across the digital-health team.

Product Designer - PlayBatch

2022 - 2023

Product Designer - Bites

2020 - 2022

B2B SaaS for employee engagement, 10,000+ enterprise users

  • Built the design system (tokens + reusable components) that became the single source of truth for design-to-dev handoff - engineers shipped straight from spec.

Creative Director - justAd → Market Group

2013 - 2020
  • Led a 12-person team on mobile ad campaigns for Fortune 500 clients; built a modular ad-template system that cut production time ~60%.

Previously at

BitesPlayBatch

Skills

Engineering
Full-stack, production code: TypeScript, Python, JavaScript, Node.js, React, Next.js, React Native & Expo, Swift (macOS). Backend and infra: REST APIs, Docker, nginx, Linux GPU servers, Supabase, Vercel, GitHub Actions, self-hosted services. Graphics: Three.js, PixiJS, FFmpeg.
AI
Agents, tool-calling and MCP servers, agentic development (Claude Code, Cursor), LLMs (Claude Opus 5 / Sonnet 5, GPT, Gemini, Ollama), evals, image / video / 3D pipelines (fal, ComfyUI, Replicate, Flux, Kling, LoRA training), voice (ElevenLabs, Whisper).
Design
Figma (advanced prototyping), design systems and tokens, in-code prototyping, UX research, interaction design, accessibility (WCAG), motion, After Effects, Adobe Creative Suite.
3D & CAD
Blender, Cinema 4D, SOLIDWORKS, Mimics (medical-imaging segmentation), glTF/GLB optimization for the web.
Languages
Hebrew (native), English (fluent, professional).