@jeff_drumgod
EN

Journey

I moved from generalist web projects into high-scale e-commerce operations. Below are the main companies and contexts where I built, led, or unblocked technology.

Founder, CTO & Software Architect

Trivod

Boutique technical consulting for high-volume e-commerce operations. Personalized service focused on performance, integrations, and technology strategy aligned with business outcomes.

  • Boutique specialized service for high-scale e-commerce clients
  • Custom development of integrations and interfaces for high-transaction-volume stores
  • Consulting for e-commerce managers: GTM, tracking, sales performance analysis, and funnel optimization
  • Information security guidance for online store processes and LGPD compliance
  • Automated workflows for sales, internal support, CRM integrations, and fulfillment systems
  • Core Web Vitals and technical SEO optimization with direct impact on conversion and revenue
  • Platform migration diagnostics and planning with technical and business roadmap
  • Custom AI-powered development and intelligent automated workflows for e-commerce operations
Co-CTO, Consultant

Rankme

Shared technical leadership at a VTEX-specialized agency. Defined storefront architectures, implemented advanced customizations, and built integrations for e-commerce operations.

  • Architecture and development of VTEX IO and Legacy storefronts
  • Custom checkout, catalog, and integrations with ERPs and hubs
  • System architecture design for e-commerce-integrated platforms
  • Technical standards and code review for the development team
Co-founder & Principal Developer

Extraball

Company co-founded with SEO and digital media specialists. We focused on boutique e-commerce projects, treating each store as a product with thoughtful architecture, refined UX, and strong performance. It was later acquired by Infracommerce.

  • Boutique e-commerce projects with quality over volume
  • SEO and technical development integrated from day one
  • Company acquired by Infracommerce, with clear market validation
  • Experience with complex catalogs, custom checkout, and integrations
Founder & Developer

Webcres

First company. Generalist web development across websites, systems, and digital solutions. It gave me a broad technical foundation built through practice, from prospecting to deployment, including budgeting and support.

  • Full autonomy: prospecting, budgeting, development, and delivery
  • Ownership mindset from the start, with technology serving the business
  • Generalist technical foundation that shaped future specialization
  • Company passed on to family
Consultant → CTO

Retail Hub

E-commerce technology startup building storefront solutions on top of platforms like VTEX, Wake, and Shopify, giving retailers more autonomy to customize the frontend without compromising performance, security, or scalability. Acting in remote multidisciplinary team leadership, platform architecture, infrastructure, cost efficiency, and technical reporting to the board.

  • Full infrastructure overhaul and migration to distributed headless architecture
  • Rebuilt critical systems serving millions of pageviews per day
  • Headless storefronts with dynamic components and custom integrations
  • Infrastructure cost optimization and platform-wide client performance
  • Technical and product reporting to the board with business-aligned insights
  • AI-powered workflows for content generation and automated project quality assessment
Developer → Team Lead → Architect → Principal Engineer

Infracommerce

I joined after Extraball's acquisition and grew inside the operation through development, team leadership, product architecture, and principal engineer responsibilities. It was a long stretch of work on large-scale e-commerce projects.

  • Remote coordination of a front-end development team
  • Storefront customization for large-scale e-commerce operations
  • Technical analysis and implementation of high-complexity projects
  • Front-End Product Engineer, responsible for internal products used by all clients
  • Solution architecture for storefronts and reusable components at scale
  • Occasional technical consulting on strategic projects
Principal Front-End Developer

Tutor.id

Global edtech platform connecting students with private tutors for in-person and remote classes. First educational marketplace to offer certified teachers for students with learning disabilities and ASD, powered by a machine learning recommendation algorithm.

  • Full development of the platform and company website
  • Front-end engineering for global student and teacher experience
  • Scheduling flow, virtual classrooms, and video conferencing system
  • Financial system: subscriptions, payments, and tutor payouts
  • Interface adapted for multiple profiles: students, teachers, and administrators

Case Studies

Some problems require more than institutional credentials. These cases show diagnosis, decision-making, and trade-offs in real context.