Daniel Kazansky

Full-stack & AI Engineer

I build AI agents and full-stack products that connect to real business workflows.

Experience at Upwork, Subbly & Woki.one

Featured projects

Selected work in AI automation and product engineering.

Client case study

A Telegram assistant for booking and managing clinic appointments, connected to EspoCRM.

LangGraphTelegramEspoCRM +2

Open-source platform

Multilingual marketing sites needed block-based authoring, visual editing, and static generation without a custom CMS for every client.

DirectusNuxtTypeScript +1

Upwork
Senior Software Engineer
Jan 2025 – May 2026
Built and modernized reputation, credentialing, and enforcement experiences across a marketplace serving tens of millions of users. Owned frontend domains end-to-end and supported production systems through on-call responsibilities.
Subbly®
Senior Software Developer
Nov 2023 – Dec 2024
Subscription commerce product engineering spanning setup UX, AI-assisted onboarding, and checkout. Reduced merchant setup time by 20%, raised AI-assisted onboarding completion by 25% for 500+ users, and cut payment abandonment by 15%.
Woki.one
Lead Software Developer
Jun 2023 – Dec 2023
Led a four-person engineering team building a modular Vue 3 CRM with configurable UI under startup delivery pressure.

Software I design, build, package, and maintain for real users.

Simple Rekordbox Converter
Download the universal macOS app, or use the Python CLI on macOS, Windows, and Linux.
SoundCloud UI Toolkit
A Chromium extension with no analytics, ads, or personal-data collection.
In progress

I help teams build AI-native products, connect agents to real business workflows, and ship reliable full-stack systems.