Juliano Pantoni F

About

Senior Software Engineer with 7+ years of experience building, maintaining, and improving web platforms across fintech, SaaS, and large-scale consumer products. Strong full-stack background, working across frontend, backend, and production systems, with consistent impact in performance optimization, cost reduction, system reliability, and production support. Experienced collaborating with globally distributed teams across Europe, Asia, North America, and Latin America, supporting systems that require continuous availability. Comfortable operating in legacy environments while preparing platforms for future architectural evolution.

Experience

• Dec 2023 Present

  CI&T

  UK - Remote

  Senior Software Engineer

  Dec 2023 - Present

  Summary:

  • Worked on Costa Coffee's global loyalty ecosystem, supporting applications used across multiple regions with millions of daily interactions.

  Responsibilities:

  • Collaborated with teams distributed across Europe, Asia, and the Americas, contributing to 24h operational coverage.
  • Supported, debugged, and deployed services defined via CloudFormation, including multiple AWS Lambda functions.
  • Improved monitoring and alerting with CloudWatch, helping teams identify and diagnose production issues more effectively.
  • Developed an analytics platform used by more than 4,000 franchise stores, enabling sales analysis, waste reduction, and operational tracking.
  • Used AI-assisted workflows to support code reviews, document analysis, and improvements to internal technical documentation.

  Achievements:

  • Reduced AWS infrastructure costs by about US$5,000 per month through log retention adjustments, service sizing, and removal of unnecessary resources.

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  • AWS
  • CloudWatch
  • Lambda
  • Playwright
  • TypeScript
• Apr 2022 Jun 2023

  Belvo

  Spain - Remote

  Software Engineer

  Apr 2022 - Jun 2023

  Summary:

  • Developed frontend applications for a large-scale Open Finance platform operating across multiple countries.

  Responsibilities:

  • Contributed to a JavaScript SDK used by clients to access Brazilian Open Finance APIs, integrated with Central Bank regulated systems.
  • Built interfaces using Vue.js, Nuxt, and TypeScript, focused on financial data visualization and user workflows.
  • Worked closely with backend, product, and compliance teams in a regulated fintech environment.
  • Improved frontend stability and release reliability through testing and continuous integration practices.

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  • Vue.js
  • Nuxt.js
  • TypeScript
  • JavaScript
  • Cypress
• Jun 2021 Jan 2022

  ChiroTouch

  USA (Las Vegas) - Remote

  Software Engineer

  Jun 2021 - Jan 2022

  Summary:

  • Participated in a cross-team performance optimization initiative, focusing on load testing, profiling, and targeted improvements.

  Responsibilities:

  • Worked on Node.js backend services delivering production features.
  • Implemented event-driven services, increasing throughput by 15-25%.
  • Supported and reviewed the work of two interns, assisting with onboarding and delivery quality.
  • Increased automated test coverage from about 30% to 80%, contributing to a roughly 35% reduction in production incidents.

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  • Node
  • JavaScript
  • Jest
  • JMeter
• Sep 2020 Jun 2021

  Cohros

  Brazil - On site

  Software Engineer

  Sep 2020 - Jun 2021

  Summary:

  • Worked on a small SaaS product with a focus on delivering complete features.

  Responsibilities:

  • Built frontend and backend capabilities for end users and administrative dashboards.
  • Participated in basic technical decisions related to code structure and data organization.
  • Fixed production issues and supported the platform's gradual evolution.

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  • JavaScript
  • PHP
  • PHP Unit
  • Laravel
  • MySQL
  • HTML
  • CSS
  • Git
• Jan 2019 Jul 2020

  ARO Eleven Marketing

  Brazil - On site

  Junior Software Engineer

  Feb 2019 - Jul 2020

  Summary:

  • Developed and maintained web applications focused on digital marketing and data analytics.

  Responsibilities:

  • Implemented frontend and backend features for internal dashboards and client-facing tools.
  • Integrated services for campaign data collection and processing.
  • Fixed bugs, delivered small performance improvements, and supported production environments.
  • Collaborated with designers and analysts to deliver features incrementally.

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  • JavaScript
  • PHP
  • PHP Unit
  • HTML
  • CSS
  • MySQL
  • Git

  Software Engineer Intern

  Jan 2019 - Feb 2019

  Summary:

  • Supported web application development, mainly on frontend features and simple backend adjustments.

  Responsibilities:

  • Implemented visual improvements and functional fixes under supervision.
  • Participated in code reviews and learned version control best practices.
  • Supported maintenance tasks and basic testing.

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  • HTML
  • CSS
  • JavaScript
  • PHP
  • PHP Unit
  • Git