Curriculum Vitae · 2026

Jeanmarcos Juárez

Adobe Certified Master Architect · Senior Software Engineer · Backend & Distributed Systems

Architecture, code, and leadership for software that scales without blowing up.

Caracas, Venezuela · Remote · janmarcoj@gmail.com · linkedin.com/in/jeanmarcos-juarez

Summary

Senior software engineer with 9+ years designing, building, and leading high-traffic platforms. Adobe Certified Master — Adobe Commerce Architect, with current focus on high-performance backends, distributed systems in Go, and AI-native workflows. Language-agnostic: technology is a toolbox, not a constraint.

Main technologies

Languages
PHPGoJavaScriptTypeScriptSQLBash
Backend & Architecture
Magento 2LaravelSymfonygRPCProtocol BuffersREST / GraphQLMicroservicesActor modelEvent-driven
Frontend
Vue.jsHyväTailwind CSSAlpine.jsKnockout.js
Data & Infrastructure
MySQLPostgreSQLRedisRabbitMQGORMDockerAWSLinuxFastlyGitHub Actions
AI / LLM workflows
Claude SDKRAGEmbeddingsPrompt engineeringAI-native pipelines

Experience

Improntus

Magento Backend Developer

Apr 2025 — present

Argentina · Remote

  • Backend development on Magento 2 for eCommerce clients with a focus on performance and production stability.
  • Integrations with external systems (ERP, CRM, payment gateways) via REST/GraphQL.
  • In parallel, active expansion of stack into Go and distributed systems applied to high-performance backends.

Good Inc

Magento Team Lead

Feb 2024 — Mar 2025

United States · Remote

  • As Technical Lead and Full Stack Developer in eCommerce, led a distributed team of 10+ engineers delivering end-to-end Magento solutions across frontend and backend.
  • Redesigned the delivery process: module ownership, CI/CD pipeline with automated gates, async planning.
  • Mentorship program that cut time-to-autonomy for new hires in half.
  • Impact: +20% annual revenue, +30% team velocity, sustained self-organization across Black Friday and peak seasons.

Tutenlabs

Magento Developer Full Stack

Feb 2023 — Feb 2024

Chile · Remote

  • As a certified Magento expert, customized modules, optimized performance, and developed tailored extensions per client requirements.
  • Led technical aspects of client-facing eCommerce projects with agile methodologies, Docker, and multi-client environments.
  • Critical query optimization (+40% DB performance) and zero-downtime legacy migrations via dual-flow architecture.
  • New Relic instrumentation and resolution of DB- and network-level bottlenecks.

Balloon Group, a Fastforward.ai company

Magento Backend Developer

Oct 2022 — Feb 2023

Remote

  • Custom Magento modules to improve UX and conversion.
  • Performance optimization: 70% reduction in page load times.
  • Real-time inventory and order synchronization across multiple platforms.
  • Proactive security hardening (scans, patches, monitoring).

Tekpro eCommerce

Magento Backend Developer

Apr 2021 — Sep 2022

Remote

  • Maintenance, updates, and security patches for Magento stores in production.
  • Custom modules to improve checkout and order management.
  • Integration of flexible, secure payment gateways.
  • Cross-functional troubleshooting to maintain seamless operations.

Freelance

Full Stack Developer

Jan 2016 — Apr 2021

Remote

  • High-performance web applications for clients across LATAM and US markets.
  • Full stack: robust backend + polished frontend depending on the product.
  • Integration with payment gateways and third-party services.
  • Delivery aligned with each client's commercial goals.

Selected projects

Creator · Backend Architect · Personal project

GogRPCProtocol BuffersMySQLGORMDockerViperActor model
  • Three-service architecture (game, auth, chat) communicating over gRPC on a shared MySQL data layer with GORM.
  • Custom binary TCP protocol with encryption, state-machine sessions, and packet routing by session state.
  • Actor-model concurrency: each player is an actor with an action queue to process inputs in order, race-free.
  • World simulation: regions, KnownList visibility, NPC AI, combat system, geometry/raycasting engine.
  • Custom Bash + gum tooling for build/run/debug, hot-reload via air, cross-compile packaging (Linux/Windows).

Certifications

Adobe Certified Master — Adobe Commerce Architect Master
Adobe · Issued Nov 2025 · Valid until Nov 2027
Verify credential ↗
Adobe Certified Professional — Adobe Commerce Developer
Adobe
Verify credential ↗

Education

Universidad Central de Venezuela (UCV) Computer Science · 2017 · Caracas, Venezuela

Languages

Spanish Native
English B1 — Conversational