Celo Reis

Celo Reis

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Senior Frontend Software Engineer | React, Vue, Next, Javascript, Typescript, Python, Node.js | Front end Developer
Minas Gerais, Brazil
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Starting at USD5k/month
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Starting at USD30/hour
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Résumé

Jobs verified_user 0% verified
  • Alma
    Senior Frontend Engineer (Founding Team)
    Alma
    Mar 2024 - Current (2 years 3 months)
    Joined as the first frontend engineer on a 3-engineer founding team at a pre-seed legal-tech startup, tasked with building the core client-facing platform from scratch to revolutionize the immigration process. • Architected and developed the entire frontend application using React, TypeScript, and Next.js, establishing a scalable and maintainable codebase from day one. • Spearheaded the integration of a full testing suite with Jest and React Testing Library, leading to a 75% reduction in post-release bugs. • Built and deployed a CI/CD pipeline using GitHub Actions, automating the testing and deployment process to accelerate development cycles by 30%. • Built a modular data intake platform that empowered the product team to add and modi
  • Portal Telemedicina
    Frontend Engineer
    Portal Telemedicina
    Apr 2021 - Mar 2024 (3 years)
    Engineered solutions for Brazil's top telemedicine platform, connecting millions of patients to healthcare and improving code quality across multiple teams. • Partnered with data scientists and medical experts to build and launch features for fraud detection platforms, solving key healthcare regulator issues. • Engineered and maintained full-stack health-tech solutions, building APIs and managing databases to deliver robust and scalable applications. • Boosted application performance by optimizing the building process using vite, cutting build time and initial bundle size by over 50%. • Implemented automated testing protocols that increased code coverage to 50% and reduced production bugs, improving app reliability.
  • L
    Frontend Engineer
    Letras
    Jul 2019 - Mar 2021 (1 year 9 months)
    Contributed to the front end development of LatAm's largest music platform (millions of pageviews daily), enhancing features for lyrics, translations, and implementing the language learning platform from scratch. • Slashed final bundle size by 30% and improved page load speed by refactoring legacy code and removing jQuery and lodash external dependencies. • Optimized Core Web Vitals and accessibility standards, boosting Lighthouse performance scores and increasing organic traffic • Engineered responsive HTML/CSS emails for marketing campaigns, increasing click-through rates and boosting conversion rates.
Education verified_user 0% verified
  • Estácio
    Bachelor's degree, Information Systems
    Estácio
    Jan 2019 - Jan 2024 (5 years 1 month)
  • Escola do Sebrae
    Certificate in Business Management and Entrepreneurship, Business Administration and Management, General
    Escola do Sebrae
    Jan 2019
Projects (professional or personal) verified_user 0% verified
    Awards verified_user 0% verified
    • 2
      2nd Place at Hackathon Coffee
      May 2023
      Our solution focuses on optimizing the utilization of coffee fields through computer vision and drone technology. We facilitate efficient crop monitoring, identifying pests, determining optimal harvest times, and ensuring plant health.
    • D
      2nd Place at the Hackathon of the 1st Health Innovation Week.
      Diretório Científico da UFMG e Saúde Ventures
      Aug 2019
      I participated primarily as a designer, prototyping the UI and UX of the LeanLine application. Our solution would be a platform to implement Lean hospital management in the outpatient care process at the Hospital das Clínicas.
    • Escola do Sebrae
      2nd Place Project 4P10M
      Escola do Sebrae
      Jun 2019
      Award for the most innovative products generated by the different groups participating in the competition. Our group presented the idea of an innovative clothing e-commerce and an outline of its business plan.