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Hi, I’m Carolina Teixeira Coelho, a Front-End Engineer with 5+ years of experience designing high-performance web applications for fintech, adtech, and enterprise platforms. I focus on scalable UI architectures, reusable components, and robust testing strategies to deliver fast, accessible, and maintainable software. I enjoy collaborating with cross-functional teams, shaping design systems, and turning user feedback into data-driven UI improvements. Based in São Paulo, I work with distributed teams across the US, Europe, and India to ship high-quality experiences.…Hi, I’m Carolina Teixeira Coelho, a Front-End Engineer with 5+ years of experience designing high-performance web applications for fintech, adtech, and enterprise platforms. I focus on scalable UI architectures, reusable components, and robust testing strategies to deliver fast, accessible, and maintainable software. I enjoy collaborating with cross-functional teams, shaping design systems, and turning user feedback into data-driven UI improvements. Based in São Paulo, I work with distributed teams across the US, Europe, and India to ship high-quality experiences.

Carolina Teixeira Coelho

Front-End Developer, Web Developer, Full Stack Developer, +2

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Hi, I’m Carolina Teixeira Coelho, a Front-End Engineer with 5+ years of experience designing high-performance web applications for fintech, adtech, and enterprise platforms. I focus on scalable UI architectures, reusable components, and robust testing strategies to deliver fast, accessible, and maintainable software. I enjoy collaborating with cross-functional teams, shaping design systems, and turning user feedback into data-driven UI improvements. Based in São Paulo, I work with distributed teams across the US, Europe, and India to ship high-quality experiences.…Hi, I’m Carolina Teixeira Coelho, a Front-End Engineer with 5+ years of experience designing high-performance web applications for fintech, adtech, and enterprise platforms. I focus on scalable UI architectures, reusable components, and robust testing strategies to deliver fast, accessible, and maintainable software. I enjoy collaborating with cross-functional teams, shaping design systems, and turning user feedback into data-driven UI improvements. Based in São Paulo, I work with distributed teams across the US, Europe, and India to ship high-quality experiences.

Available to hire

Hi, I’m Carolina Teixeira Coelho, a Front-End Engineer with 5+ years of experience designing high-performance web applications for fintech, adtech, and enterprise platforms. I focus on scalable UI architectures, reusable components, and robust testing strategies to deliver fast, accessible, and maintainable software.

I enjoy collaborating with cross-functional teams, shaping design systems, and turning user feedback into data-driven UI improvements. Based in São Paulo, I work with distributed teams across the US, Europe, and India to ship high-quality experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Portuguese

Fluent

Work Experience

Front-End Developer II at GFT Technologies

September 1, 2024 - November 8, 2025

Led the development of a scalable, high-performance front-end solution for a fintech project using React and TypeScript, focusing on UI/UX improvements, reusable components, modern architecture, code quality, testing, and close collaboration with cross-functional teams.

Mid-level Fullstack Software Engineer at AdSimples (former Hackr Ads)

June 30, 2024 - June 30, 2024

Optimized tightly coupled reporting code, engineered integrations with Facebook and TikTok Ads APIs, improved data retrieval by 40%, and redesigned platform architecture. Architected Apollo Client solution to unify inconsistent data structures and implemented intelligent cache strategies to handle disparate API responses, improving data synchronization reliability and perceived performance.

Junior Fullstack Software Engineer at AdSimples (former Hackr Ads)

April 30, 2023 - April 30, 2023

Launched enterprise-grade advertising analytics platform using Vue.js, Node.js, and MongoDB. Built an AI-powered campaign optimization engine, real-time dashboards, and comprehensive ranking algorithms to accelerate campaign decisions and client ROI.

Junior Fullstack Developer at NGO Soluções

June 30, 2022 - June 30, 2022

Architected full-stack applications with Webix, Node.js, TypeScript, and MongoDB; containerized deployments; achieved high uptime and reduced delivery time through iterative improvements and agile practices.

Trainee Business Analyst at Allugator

October 31, 2021 - October 31, 2021

Developed dashboards and automation tools, highlighting KPI insights to support decision-making and operational improvements.

Junior Fullstack Software Developer at Allugator

October 31, 2021 - October 31, 2021

Developed a customer-facing fintech web app with TypeScript and React, implemented automated KY/C verification using AWS Rekognition, and built CI/CD pipelines to improve velocity and reliability.

Frontend Web Developer at Olympos

July 31, 2021 - July 31, 2021

Developed UI with React and TypeScript across multiple product verticals, led frontend version 2.0, and implemented responsive, accessible interfaces enhancing user engagement.

Customer Success at Olympos

January 31, 2021 - January 31, 2021

Onboarded 150+ SaaS clients, automated onboarding workflows, built proactive health monitoring, and drove customer retention and expansion initiatives.

Coding Tutor at codeBuddy

January 31, 2020 - January 31, 2020

Designed and delivered 150+ interactive programming curricula, mentored students, and created automated progress tracking to improve learning outcomes.