Javier ToscanoAvailable

Software Engineering & AI

FROMMICROSERVICESARCHITECTURESTO AIECOSYSTEMS

8+ years shipping at scale, now bridging engineering foundations with AI product layers.

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About Me

I am a Senior Developer with 8+ years of experience building scalable software across microservices, micro-frontends, ecommerce platforms, and automation-heavy systems. My current focus is the bridge between robust engineering foundations and AI ecosystems powered by Node, Python, and LLMs.

Claude Certified ArchitectSalesforce AI Associate

Capabilities

Architecture, product, and applied intelligence.

AI Engineering

Designing memory-aware agentic workflows, RAG pipelines, and contextual retrieval systems for complex reasoning tasks.

  • LangChain
  • FastAPI
  • Python
  • RAG

Core Stack

Architecting type-safe distributed systems with focus on scalability, maintainability, and high-performance backend patterns.

  • Node.js
  • React
  • TypeScript

Cloud

Deploying resilient, cloud-native infrastructure with a focus on containerization and automated CI/CD lifecycles.

  • AWS
  • Docker

Projects

Things I shipped.

HookBridge.app

hookbridge.app ↗

LinkedIn comment generator for Spanish-speaking professionals. Paste any post and get three high-authority comment drafts in seconds.

Built end-to-end in a weekend: magic-link auth, a credit system backed by Postgres RLS, and a structured OpenAI prompt that returns three tonally distinct comments as a typed JSON object.

  • Next.js
  • Supabase
  • OpenAI
  • Vercel
Read build story →
HookBridge.app
HookBridge.app screenshot

Experience

Eight years of shipping what matters.

From foreign trade automation and consulting ownership to high-traffic product engineering, micro-frontends, and technical leadership.

Adidas via EPAM Systems/Apr 2022 - Present

Senior Software Engineer

Building end-to-end capabilities for high-traffic applications across React, Node.js, and decoupled service boundaries.

  • Developed end-to-end features for high-traffic applications, ensuring seamless data flow across decoupled microservices.
  • Designed RESTful API contracts that clarified integration between frontend and backend services.
  • Leveraged micro-frontend architecture to build modular UI components supporting independent deployment cycles across teams.
  • Optimized database interactions within specific domains to ensure high performance and data integrity under concurrent user requests.
  • Conducted detailed peer code reviews to uphold high development standards and ensure code quality.
  • Expanded unit, integration, and E2E coverage to catch regressions earlier across React and Node.js projects.
  • TypeScript
  • React
  • Storybook
  • Redux Toolkit
  • FP-TS
  • Node.js
  • Express.js
  • Kubernetes
  • Docker
  • Cypress
  • Jest
Reservamos SAAS/Aug 2021 - Apr 2022

Tech Lead, Web and Mobile

Led delivery for an ecommerce web and mobile product serving 60k+ unique daily users.

  • Mentored four junior engineers through product delivery, code quality, and engineering best practices.
  • Shortened white-label feature delivery by 200% with a unified codebase, factories, and feature flags.
  • React
  • Redux
  • JavaScript
  • Ecommerce
  • Mobile
  • Mixpanel
  • Taplytics
  • Feature Flags
Independent Consultant/Aug 2017 - Aug 2021

Full Stack Software Engineer

Built long-term software partnerships with regional clients in Baja California, delivering practical web platforms around their operations.

  • Shipped custom Laravel, React, database, and Firebase solutions for businesses that needed direct operational leverage.
  • Owned client discovery, architecture, implementation, and ongoing maintenance across multiple engagements.
  • PHP
  • Laravel
  • JavaScript
  • React
  • MongoDB
  • Firebase
  • MySQL
Grupo EUSAGA Logistica/Oct 2017 - Jun 2020

Technology Integration Director

Automated foreign trade data analysis, reporting, synchronization, and customer-facing audit visibility.

  • Reduced analysis time from 2-3 weeks to 1 day per customer while eliminating human error found in past audits.
  • Built a C# integration that synced 4-7 million monthly rows per customer, cutting uploads from 2-3 days to 2 hours.
  • Delivered a customer web app for real-time access to automated audit results.
  • C#
  • PHP
  • Laravel
  • CodeIgniter
  • SQL Server
  • MySQL
  • Automation
TLC Asociados S.C./Jan 2017 - Oct 2017

Software Development Manager

Automated foreign trade audits and management reporting for SEER Annex 24 software.

  • Created stored procedures that surfaced Annex 24 data errors in real time and reduced capture mistakes by 100%.
  • Built a web reporting workflow that eliminated manual monthly audit report creation.
  • SQL Server
  • MySQL
  • PHP
  • CodeIgniter
  • Annex 24
  • Reporting