Juliano Pantoni

Experience

• Fintech & Payments

  4+ yrs

  Analytics pipelines, payment UIs, and checkout optimization across large-scale global payment platforms and Open Finance regulated systems.

  • 100k+ BigQuery records validated daily across 50+ datasets
  • 30% checkout completion improvement via payment UI modernization
  • SDK deployed across Brazil, Latin America, and Europe under Central Bank regulations
  • TypeScript
  • React
  • Next.js
  • JavaScript
  • BigQuery
  • Vue.js
  • AWS
  • GCP

• Loyalty & Retail Platforms

  2+ yrs

  Mission-critical loyalty ecosystems serving millions of daily users, with deep AWS infrastructure ownership and franchise analytics tooling.

  • ~$120k annual AWS cost savings through right-sizing and architectural improvements
  • Analytics platform adopted by 4,000+ franchise stores, saving 8+ hours/week of manual reporting
  • Shifted incident detection from hours to minutes via CloudWatch observability overhaul
  • React
  • TypeScript
  • Node
  • AWS
  • CloudWatch
  • CloudFormation
  • PostgreSQL
  • Playwright

• Real-Time Logistics & Mapping

  2 yrs

  Real-time map platform for a last-mile delivery SaaS serving 1,000+ customers — live vehicle tracking, dynamic route visualization, and multi-stop route optimization.

  • Zero-downtime migration via custom C#/.NET platform — 40%+ throughput improvement
  • 25–35% latency reduction through SQL optimization and targeted caching
  • Led TypeScript adoption and mentored team on geospatial concepts and real-time data flows
  • TypeScript
  • React
  • Node
  • Socket.io
  • Google Maps API
  • MapTiler
  • GraphHopper
  • PostgreSQL
  • C#/.NET
  • PHP

• Healthcare & Enterprise SaaS

  2+ yrs

  Performance profiling, microservices architecture, and test coverage initiatives on high-traffic SaaS platforms with 200+ services.

  • Test coverage scaled from ~30% to ~80%, reducing production incidents by ~35%
  • ~15% performance improvement across high-usage modules through SQL and data-flow optimization
  • Event-driven microservices delivering 15–25% throughput increase
  • Node
  • TypeScript
  • JavaScript
  • Jest
  • JMeter
  • Express
  • PostgreSQL
  • Redis

• Full-Stack Web & Marketing Tools

  2 yrs

  Early-career full-stack delivery across web applications, admin dashboards, and digital marketing platforms.

  • Backend ownership during a team transition — kept production running and mentored a junior intern
  • Built and maintained REST API integrations for campaign data processing
  • Delivered frontend and backend features across end-user and admin interfaces
  • JavaScript
  • PHP
  • Laravel
  • MySQL
  • HTML
  • CSS

Projects

• Real-Time Logistics Map Platform

  TypeScript real-time map platform for a last-mile delivery SaaS (1,000+ customers), handling live vehicle tracking, dynamic route visualization, and multi-stop route optimization across a live dispatch map.

  • Integrated Google Maps API, MapTiler, and GraphHopper routing engine for real-time markers, turn-by-turn vehicle routes, and geofencing
  • Built for high-frequency update throughput with sub-second latency for live position streaming and route recalculation
  • Pushed TypeScript as the stack standard; ran hands-on onboarding sessions for the engineering team
  • Mentored developers on geospatial concepts, real-time data flows, and frontend architecture

  • TypeScript
  • React
  • Node
  • Socket.io
  • Google Maps API
  • MapTiler
  • GraphHopper
  • PostgreSQL
• Loyalty Platform Observability Overhaul

  Designed and implemented a CloudWatch alerting system for a global loyalty middleware, shifting incident detection from reactive (hours) to proactive (minutes) and protecting millions of daily user sessions.

  • CloudWatch custom metrics, alarms, and dashboards via CloudFormation
  • Reduced mean time to detection from hours to minutes
  • Zero customer-impacting incidents missed post-rollout

  • AWS
  • CloudFormation
  • TypeScript
  • React
  • Node
  • PostgreSQL
• Open Finance JavaScript SDK

  Built a JavaScript SDK enabling third-party integration with Brazilian Open Finance APIs regulated by the Central Bank, used across Latin America and Europe under strict compliance requirements.

  • Collaborated with backend, product, and compliance teams to ensure regulatory alignment
  • Deployed across Latin America and Europe in a regulated fintech environment
  • End-to-end tested with Cypress and Percy

  • JavaScript
  • TypeScript
  • Vue.js
  • Nuxt.js
  • Node
  • Cypress
  • Percy
• Platform Performance Initiative

  Led a company-wide effort at a healthcare SaaS platform to profile, benchmark, and optimize the highest-traffic modules.

  • ~15% performance improvement across high-usage modules
  • Test coverage scaled from ~30% to ~80%
  • ~35% reduction in production incidents

  • TypeScript
  • JavaScript
  • Node
  • Jest
  • JMeter
  • Playwright
  • Cypress
  • PostgreSQL
• ResumeLane

  CLI that orchestrates multiple AI providers — OpenAI, Anthropic, Gemini, DeepSeek, and local models via Ollama — in a fan-out → judge-panel pipeline to generate and score job-specific resume variations.

  • Blind judge panel scores outputs on ATS coverage, fit, clarity, and truthfulness — only the winner gets published
  • Concurrent-employment detection pre-computes overlapping work periods and forces AI to resolve conflicts via content removal, not date manipulation
  • Batch processing, dry-run cost estimation, per-provider win-rate stats, and interview prep generation

  • Python
  • OpenAI API
  • Anthropic API
  • Gemini API
  • Pydantic v2
  • Typer
  • Ruff
  • mypy
• Homelab Infrastructure

  Self-hosted private cloud on a mini PC running Proxmox — 20+ containerized services for productivity, finance, media, and networking, with a focus on privacy, reliability, and cost control.

  • Segmented home network using UniFi-managed VLANs to isolate services, media, DNS, VPN-only workloads, and management interfaces
  • WireGuard VPN for secure remote access — internal apps stay off the public internet
  • 3-2-1 backup strategy combining local SSDs, external disks, and offsite sync via WebDAV/Rclone

  • Proxmox
  • Docker
  • Linux
  • WireGuard
  • Traefik
  • OpenTofu
  • Cloudflare
  • Bash

Skills