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Flavia Cohen

@flaviacohen

Frontend Developer at Vertex Development for Crowe, who built 22 Mixpanel events and dashboards for the Global Member Portal.

Argentina

Message

At Vertex Development LLC, I develop and improve the Crowe Global Member Portal, where I work with Contentful-managed news, events, and resources. I redesigned directory filters and the resources experience, and proposed a content model change to group resources.

I integrated 22 custom Mixpanel events and built reports and a dashboard tracking portal activity, including directory filters, downloads, and article clicks. I also trained teammates to use Mixpanel and design dashboard widgets for the Rails-based Admin and Reporting Portal.

Previously, at Hotels at Home, I maintained about 30 Next.js and TypeScript e-commerce sites and contributed to a shared Core library and Magento API integrations. At Rootstrap, I migrated a React 16 application to React 18, led a UI/UX redesign, and integrated Contentful, reducing content update time by 60%.

Experience

Work history, roles, and key accomplishments

Current

Frontend / Full-Stack Developer

Current

Vertex Development LLC

Oct 2024 - Present (2 years 1 month)

Develop and improve the front end of the Crowe Global Member Portal, rendering content from Contentful with tag-based filtering. Own Mixpanel end to end, integrating 22 custom events and building reports and dashboards for a portal with 900+ monthly active users.

React Next.js TypeScript Contentful Mixpanel SASS Amazon Quicksight Ruby on Rails AI assisted Development

Frontend Developer

Hotels at Home

Mar 2024 - Jun 2025 (1 year 3 months)

Maintained and expanded approximately 30 Next.js and TypeScript e-commerce sites in parallel, ensuring consistent performance and design. Contributed to a custom Core library and collaborated with Magento teams to integrate APIs and resolve performance bottlenecks.

Next.js TypeScript SASS Storybook Magento Code Review

Frontend Developer

Rootstrap

Mar 2022 - Sep 2024 (2 years 6 months)

Migrated a legacy React 16 application to React 18, leading a full UI/UX redesign that improved performance. Defined content models and integrated Contentful CMS, reducing content update time by 60%.

React Contentful Mixpanel Scrum

Students' Mentor and Scrum Master

Alkemy

Nov 2021 - Jan 2023 (1 year 2 months)

Mentored approximately 20 trainee developers across two cohorts on React and Node.js best practices through code reviews and demos. Led Scrum ceremonies and project deliveries as Scrum Master.

React NodeJS Scrum Mentorship

Frontend Developer

Accenture

May 2021 - Feb 2022 (9 months)

Built single-page applications (SPAs) and a reusable React component library integrated with a .NET backend. Collaborated with design and DevOps teams using Jenkins, OpenShift, Zeplin and Figma.

React .NET Jenkins OpenShift Zeplin Figma

Frontend Developer

Cruce

Sep 2020 - May 2021 (8 months)

Led frontend development for e-commerce projects with React and Node.js. Delivered responsive, mobile-first user interfaces in close collaboration with designers.

React NodeJS Responsive Design Mobile First Design