CTO & Software Architect in E‑Commerce, Performance & Business Strategy

Jefferson Rafael Kozerski

I translate technical decisions into language the board understands and trusts. 19+ years turning technical complexity into competitive advantage.

MBA Leadership, Innovation & Management MBA Software Engineering with AI Cloudflare · AWS · VTEX · Shopify

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What I Do

CTO as a Service

Technical leadership with business vision for e-commerce operations that need strategic direction with structure proportional to the company's stage.

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Performance & Core Web Vitals

Real metrics that impact conversion and revenue, with optimization guided by field data and real user behavior.

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Technical SEO & GEO for E‑Commerce

Visibility in traditional search engines and AI-generated answers built on solid structure, technical foundations, and ongoing monitoring.

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E‑Commerce Architecture

Headless, composable, and multi-tenant architecture design for operations that need to scale with clear priorities around risk, cost, and implementation.

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Specialties

Headless & Composable Commerce Core Web Vitals (LCP, INP, CLS) Technical SEO & GEO Cloudflare Workers / AWS Observability & FinOps Multi-Tenant Architecture B2C · B2B · B2E VTEX · Shopify · Headless Commerce

What sets me apart

19+ years

connecting technology with business outcomes

100+ brands

served in high-scale e-commerce

16+ years

leading remote multidisciplinary teams

Tech ↔ Board

bridging engineering and C-level for the right decisions

End-to-end

experience from code to strategy across the full tech chain

CTO as a Service

technical leadership without full-time C-level cost

Some of the brands that have been part of my work:

Coca-Cola Nike Dior Cartier Armani Lancôme Kérastase SkinCeuticals Ray-Ban Sunglass Hut Unilever Carrefour Nokia The North Face New Balance Decathlon TIM Vivara Olympikus PetLove Ri Happy Swift VTEX Personal Nextel Harper's Bazaar Drogaria São Paulo Drogarias Pacheco Foxbit Mash Damyller Dailus ADCOS Água de Coco Max Titanium Tania Bulhões Le Postiche Casa das Cuecas Kolplast Pet Yard 3 Corações Aramis Editora Globo

About

I'm CTO at Trivod and a Software Architect with 19+ years of experience. My work sits at the intersection of technical decisions and business outcomes in e-commerce operations where technology is part of strategy.

The problems I usually work on affect revenue and growth directly: performance, technical SEO, distributed architecture, critical integrations, and multi-tenant systems. I've worked across B2C, B2B, and B2E operations, each with different constraints around scale, margin, and execution.

My approach is to make trade-offs visible. Every technical choice affects cost, speed, risk, and delivery capacity. I like putting that in front of leadership and engineering so decisions happen with shared context.

I work across e-commerce, cloud-edge, frontend, backend, and integrations, always choosing tools according to the problem at hand. Academic background: Bachelor's in Information Systems (UniSociesc), MBA in Leadership & Management 4.0 (PUC-RS), MBA in Software Engineering with AI (FullCycle).