// Andrii Petsera · floatrx · Ukraine, working remotely
Turnkey web systems that automate how companies work.
Andrii Petsera — full-stack web developer, 18 years in IT, end to end from discovery to support.
CRMs, internal tools, process automation and integrations for small businesses, startups and agencies — from discovery to support. In IT and design since 2008, a team lead for 6+ years — now I build with AI in the loop: from idea to a working product, fast.
Available for new projects · reply within 24 h · UA / EN
Press ⌘K to jump anywhere — or just scroll.
// profile — last updated 2026export const andrii = { handle: "floatrx", role: "Full-stack web developer", inIT: { since: 2008, years: 18 }, path: ["designer", "full-stack", "team lead"], ledTeams: "6+ years", delivers: "turnkey", loves: "business process automation", buildsWith: "AI in the loop",} satisfies Developer;01 — ~/services
ls what-i-build/
From idea to a working product, fast. AI speeds up the routine parts, so your budget goes into the problem itself.
- flagship
Business process automation
CRMs, internal tools and workflow systems that replace spreadsheets and manual routine.
cron("0 9 * * 1-5") - 02
AI integration
LLM features, chat assistants, RAG over your documents, AI agents and MCP servers.
integrate("claude" | "openai", { rag, agents, mcp }) - 03
Telegram bots & mini apps
Bots for orders, notifications and payments; Telegram Mini Apps.
bot.on("message") - 04
Web apps & SaaS
Full-stack products, dashboards and admin panels on Next.js and React.
build("saas") - 05
Websites & landing pages
Fast, SEO-ready sites with a headless CMS; WordPress → Next.js migrations.
migrate("wp", "next") - 06
AI workflow for dev teams
For development teams: I set up AI coding workflows (agents, loops and guardrails) so developers hand whole tasks to AI and ship faster. Consulting included. Plus IDE plugins, MCP servers, Chrome extensions and CI/CD.
loop(agent, { until: "done" }) - 07
UI/UX design
From Figma to production; design systems. Designing since 2008.
figma.toCode()
Discovery
A call about goals, users and constraints. You get scope and an estimate.
Design
Flows and UI in Figma, agreed before code is written.
Build
Short iterations with a live preview link you can click.
Launch
Deployment, domain, analytics and monitoring — all set up.
Support
Fixes, new features and growth after release.
Have a project? Let’s talk.
Tell me what you need — I’ll get back to you with questions or a rough plan.
02 — ~/work
ls selected work
Automation systems for businesses, a streaming product, client sites — and the tools I build for my own workflow.
↑↓ switch files⌘K open a case by name
// git notes what colleagues say
“Being on the same team, we’ve developed from scratch and released 2 complex and sophisticated systems, and I cannot overstate Andrew’s role in it… As a frontend lead, he managed 3 trainee/junior developers, who now reached middle level… He’s quick, persistent, productive, versatile.”“Excellent Head of Front end Department. Always has a vision to improve the project. I’m glad I had to work under the guidance of this person.”03 — ~/career
git log journey
In IT since 2008 — from web designer to full-stack developer and team lead. Newest commits first.
- cd781c8HEAD → nowAug 2025 → now
MGear · Full-stack developer · frontend focus
A revenue intelligence platform for US hospital systems. Web app and admin UI end to end, UI/UX design, motion-design presentations for clients, training guides; NestJS backend support.React · TypeScript · Redux Toolkit · Ant Design · NestJS · PostgreSQL · Remotion
- c5a11a5tag: portals2025 → now
2KWeby · Web developer · part-time, project-based · Czech clients
Websites, portals and redesigns for a Czech audience: culture and sports portals rebuilt from WordPress to Next.js, the studio’s own site.Next.js · Prisma · PostgreSQL · next-intl · Vercel
- 2404253tag: hanimaxFeb 2026 – Jun 2026
BOOSTA · Full-stack developer (freelancer)
Built the HanimaX web app from the first commit — catalog, series and episode pages, paywall and subscriptions, i18n — and helped the backend developer on the NestJS API.Next.js · TypeScript · HeroUI · Tailwind CSS · next-intl · NestJS · TypeORM · Redis
- 94a0665branch: freelance2022 → now
Freelance · Turnkey web development
Turnkey projects for direct clients, in parallel with company work: business process automation, web apps and websites, Telegram bots and integrations.Next.js · Vercel · Telegram Bot API
- 3bbf830tag: head-of-deptJan 2019 – Jan 2024
Raise.Band · Frontend developer, Head of department · Kyiv
Led a team of 4 frontend developers building SPA web apps — CRM platforms and internal tooling — from architecture and UI/UX to deployment.TypeScript · React · Redux Toolkit · Next.js · Strapi · Chrome extensions
- 412499bAug 2016 – Jan 2019
Learnify.co · Frontend developer & web designer · Rivne
80+ turnkey websites — design, layout, CMS integration, SEO and support. Automated the frontend workflow (Gulp, bash, CI/CD), wrote conventions, mentored newcomers.JavaScript · SCSS · Jinja2 · Gulp · CI/CD · Photoshop
- 8483e0fMay 2014 – Jul 2016
Freelance · Web master: design, frontend, backend
Turnkey websites for clients: design in Photoshop/Illustrator, HTML5/CSS3/jQuery layout, WordPress integration and support.HTML5 · CSS3 · jQuery · WordPress
- 45cfb7eJun 2010 – Mar 2014
RTE Ukraine · Software & web developer, IT administrator
Software that automated the company’s business processes, plus corporate websites and infrastructure. That’s where my love for automation started.Delphi · WordPress · Linux
- 3530569Aug 2008 – 2011
Web design · Freelance web designer (UI/UX, Flash)
Interfaces and website layouts in Photoshop for turnkey sites. That’s where my eye for UI/UX comes from.
04 — ~/stack
cat package.json
Tools are the means; outcomes are the point. These are the ones I reach for every week.
{
"name": "floatrx", "author": "Andrii Petsera",
"stack": {
"frontend": [13
- TypeScript
- React
- Next.js
- Tailwind CSS
- Redux Toolkit
- React Query
- Zustand
- GraphQL
- SCSS
- HeroUI
- shadcn/ui
- Ant Design
- Motion
"backend": [8
- Node.js
- PostgreSQL
- Prisma
- Supabase
- Express
- MongoDB
- WebSocket
- Strapi
"ai & automation": [6
- Claude
- MCP
- OpenAI
- RAG
- Telegram Bot API
- Webhooks & cron
"tooling & delivery": [11
- Vercel
- Git
- Vite
- Playwright
- Vitest
- Storybook
- GitHub Actions
- Turborepo
- Docker
- Figma
- Chrome extensions
"leadership": [5
- Team lead
- Mentoring
- Scrum
- Code review
- Tech docs
}
}