M

Manuel Grondona

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Florida, United States
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Full-time jobs

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Résumé

Jobs verified_user 0% verified
  • OfferUp
    Sr. Software Engineer
    OfferUp
    Oct 2023 - Oct 2025 (2 years 1 month)
    Led development of the Coupons surface, owning the React architecture, data flows, and rollout across multiple product teams. Shipped Braze Content Cards, defined the event model, built Datadog dashboards to track adoption and health, and wrote internal docs, resulting in an 11.2 percent lift in premium trials. Mentored junior engineers through code reviews and design discussions on production React features, and participated in frontend interviews. Owned Community Search and shipped an item-detail widget with copy variants that increased community posts by 7x.
  • OfferUp
    Software Engineer II
    OfferUp
    Mar 2022 - Oct 2023 (1 year 8 months)
    Wrote the engineering plan for re-architecting the home and search feed screens and implemented the UI changes that simplified the user flow. Implemented the vertical switching tabs for Jobs and Items, simplifying navigation between the two product flows. Worked with Product and Design to ship updates to messaging, feed, and search flows, coordinating rollout and validation across multiple teams.
  • Branding Brand
    Sr. Frontend Engineer
    Branding Brand
    Oct 2021 - Mar 2022 (6 months)
    Built and optimized browsing, cart, and checkout flows in React Native for high-traffic retail clients. Implemented Shopify and custom API integrations that automated product updates for client teams.
  • Equinox Media
    Frontend Engineer
    Equinox Media
    May 2021 - Oct 2021 (6 months)
    Implemented social sharing flow features that expanded user reach and supported sustained community growth in production. Implemented stability fixes and production features for a React Native fitness platform. Resolved crashes and UI defects across training, profile, and session modules, improving app reliability. Improved app stability by identifying regression causes during reviews and proposing targeted fixes.
  • Real Trends
    Sr. Frontend Developer
    Real Trends
    Jan 2020 - Apr 2021 (1 year 4 months)
    Delivered features for a large React e-commerce platform, including the First User Flow and product sections for the MVP. Defined data contracts with backend and integrated new APIs into core product flows. Developed Unit and E2E tests to ensure reliability and maintainability. Created code review and testing checklists that reduced review churn and sped up deployments.
  • U
    Software Engineer
    Underscope
    Apr 2019 - Dec 2019 (9 months)
    Built and maintained features for a cross-platform home banking app focused on secure payments and service integrations. Implemented the payments section and integrated with a third-party SOAP API to access users' subscribed services. Ensured the payments module passed audit by validating API integration, error handling, and compliance flows.
Education verified_user 0% verified
  • Plataforma 5
    Full-Stack Developer Bootcamp
    Plataforma 5
    Jun 2018 - Aug 2018 (3 months)
Projects (professional or personal) verified_user 0% verified
  • I
    Idea Finder
    Jan 2025 - Current (1 year 9 months)
    Built an idea discovery platform with a Cloudflare Worker API, Cloudflare Pages frontend (migrated to Next.js static export), and KV for degraded-mode caching. Implemented a GitHub Actions cron that polls Bluesky every 2 hours, enriches posts via OpenRouter LLM tagging, and writes results to Postgres + KV. Added TypeScript migration, linting, and automated test checks (including Worker runtime tests).