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petrenko.cv

Work history

Started coding in Feb 2009.
Founded four companies since.

17
years operating
2009 — now
4
companies founded
Webinse · Fruitful Code · Mates · LeadCognition
100+
products shipped
5M+ users globally
70
person team built
grown from one

Founder arc

The four companies

2011 — 2016
Webinse
Scaled a serious eCommerce engineering team

Webinse was where I learned how to turn talent into a company: Magento delivery, international clients, project management, support, finance, hiring, and internal systems that could survive real client pressure.

  • Built and led a multi-function organization across Magento, WordPress, design, QA, PM, support, HR, finance, and operations.
  • Delivered recurring work for international clients including Gavriele Brands, Foto Video Zumstein, KKL Luzern Management, ATO24, and Chaussures Aeschbach.
  • Created Webinse Academy so we could recruit, train, mentor, and graduate junior talent into production teams instead of waiting for the market to hand us seniors.
Magento eCommerce Engineering leadership Hiring Operations
2017 — 2021
Fruitful Code
Productized the engineering machine

Fruitfulcode turned our delivery muscle into products: WordPress themes, plugins, demos, support content, analytics, and purchase funnels. It was not just code. It was packaging, distribution, documentation, and iteration.

  • Shipped and maintained products including Fruitful Theme, Fruitful Shortcodes, Maintenance, Zoner, Movement, Spotter, Suburb, THX, and Soon.
  • Built support and documentation flows that attracted more than 46,000 help-center pageviews during the analyzed 2018-2019 period.
  • Ran analytics around downloads, demo views, purchase intent, organic traffic, paid traffic, and retargeting audiences.
WordPress Product analytics Support SEO Conversion funnels
2022 — 2025
Mates Marketing
Built a conversion engine for home-improvement brands

Mates Marketing took the same operator mindset into growth: landing pages, paid media, creative testing, compliance, ZIP targeting, API integrations, and client success for US home-improvement companies.

  • Built lead-generation systems for walk-in showers, walk-in tubs, roofing, solar, gutter protection, kitchen cabinets, and related verticals.
  • Packaged exclusive TCPA-compliant leads with landing-page setup, ad creatives, campaign preparation, ZIP targeting, and API integration.
  • Reached a documented $1M+ revenue milestone while reporting 25-50% lead-to-appointment conversion ranges across campaigns.
Lead generation Paid media Landing pages API integration Sales ops
2026 — now
LeadCognition
Founder · CTO

Building LeadCognition.io — an AI-native product that turns public developer signals into account intelligence, buyer context, and outreach worth sending. MCP-ready workflows for developer-led sales.

  • Building AI workflows that turn public code activity — commits, repos, stack choices — into account signals and buyer context.
  • Combining founder judgment with hands-on architecture across TypeScript, modern web stacks, automation, analytics, and AI tooling.
  • Focused on software that creates leverage: faster teams, cleaner pipelines, better decisions, and measurable revenue outcomes.
AI / MCP API / SDK Dev-led sales Signal intel

Early career

Before the companies

Nov 2010 — Apr 2012
Creative Works
Full Stack Engineer · Team Lead
New York City (Remote)

Led the architecture of a new CMS product and managed a team of 3 developers. Implemented agile methodology and reported directly to the CEO.

CMS architecture Team management Agile
Jan 2011 — Mar 2012
Telco Depot
Magento Architect / Developer
New York City (Contract)

Improved existing e-commerce on Zen Cart and built a full Magento portal from scratch with many custom extensions.

Magento Zen Cart eCommerce Custom extensions
Jan 2010 — Jan 2011
AMgrade Technisches Büro
Team Lead · Software Developer
Ukraine

Project management, client communication, web development, and task management via Redmine. Introduced Git version control across all projects.

Project management PHP Git Client communication
Feb 2009 — Jan 2010
JSC Zaporizhstal
Software Developer
Ukraine

Developed with Oracle Forms and Oracle Database (9g, 10g) using PL/SQL for a large industrial enterprise.

Oracle Forms PL/SQL Oracle DB
Aug 2006 — Mar 2009
ZapMetal
Deputy CEO · Sales Manager
Ukraine

Client acquisition, proposals, relationship management, and quality satisfaction. An early lesson in how sales and operations actually connect.

Sales Client relations Operations

Working style

Where the org chart gets blurry, I'm useful.

01

I stay close to the work

I do not manage from a balcony. I can enter the codebase, the offer, the hiring loop, the sales funnel, or the finance model and help turn ambiguity into execution.

02

I build systems, not heroics

A good company should not depend on constant firefighting. I look for repeatable playbooks: training pipelines, support loops, campaign systems, analytics, and team habits that compound.

03

I care about revenue-quality engineering

The best technical work makes a business sharper: faster delivery, better conversion, clearer operations, happier customers, and fewer expensive blind spots.

Open to engagements · 2026

Need senior operator judgment before the next build decision?

I take a small number of fractional CTO, AI GTM, and RevOps engagements where the work needs product sense, engineering judgment, and revenue context in the same room.

Book a meeting