IGOR TANNUS

A full version of my resume is available on Linked or feel free to get in touch.

Core Skills

Frontend

React, Next.js, TypeScript, JavaScript (ES6+)

State & Data

TanStack Query, Redux

UI & Styling

Tailwind CSS, styled-components, CSS Modules

Testing

Vitest, Jest, React Testing Library, Playwright

Product Engineering

Accessibility (WCAG/a11y), Design Systems, UX Collaboration, Performance

Tools

Git, CI/CD, Figma, GitHub Copilot, Claude Code

Honors

Experience

Staffbase (Berlin, Germany) | Jun 2024 — Present

  • Senior Frontend Engineer, leading development on complex Email product areas with a strong focus on accessibility, UX quality, and maintainability.
  • Collaborate closely with Product, Design, and Engineering from discovery to delivery.
  • Drive accessibility improvements and frontend quality across multiple features.
  • Support cross-team debugging, reviews, testing, and retrospectives.

heycar (Berlin, Germany) | Sep 2020 — May 2024

  • Frontend Engineer. Developed and maintained features in a multi-market e-commerce platform.
  • Contributed to the architecture and implementation of heycar's one-platform initiative.
  • Worked closely with product and design teams to improve UX and scalability.
  • Member of the diversity and inclusion initiative.

XING SE (Hamburg, Germany) | Jun 2019 — Aug 2020

  • Frontend Engineer for AdManager platform.
  • Built and improved features with focus on UI consistency and reliability.

Earlier Experience (Uberlândia, MG, Brazil) | 2016 — 2019

  • Frontend development across multiple companies including Zup, Luizalabs, and everis.
  • Worked on enterprise applications in e-commerce, banking, and telecom domains.
  • Contributed to frontend architecture, mentoring, and community initiatives.

Education

Federal University of Uberlândia (Brazil) | 2012 — 2018

  • B.Sc. Information Systems

Hiram College (Hiram, OH, USA) | 2014 — 2015

  • Computer Science Exchange Program
  • Brazil Scientific Mobility Program scholarship recipient