Sean Ormiston
Frontend Developer
Summary
Frontend Engineer with 4 years of experience delivering UI solutions for e-commerce and enterprise SaaS products. I've a proven ability to take initiative in the design and implementation of client-side architectures in tandem with UX designers, backend developers, and product stakeholders. I'm also a fast learner eager to work with new technologies, learn new business domains, and share what I know with colleagues.
Skills
Experience
Anatta Design | Senior UI Developer
May 2023 - May 2025 | Remote | anattadesign.com
Built a fully custom greenfield storefront on a 4-month timeline for a $21M per annum revenue-earning brand.
Implemented a Build Your Own Bundle user flow as a Vue SPA, resulting in a 22% increase in conversions.
Led technology solution sessions with clients in bi-weekly Agile sprint regime.
Solved DevOps related to Shopify theme management, establishing team workflows to safely manage independent release cycles of code and content.
Launched 20+ A/B tests to incrementally optimize UI for sales conversions; designed and implemented user behavioral data collection.
Diagnosed and resolved critical production issues with emergency patch deployments.
Unbabel | Frontend Engineer
Feb 2022 - Mar 2023 | Lisbon | unbabel.com
Spearheaded development of a SaaS product for translation professionals to administrate AI-driven translation workflows ("Pipelines App").
Planned and implemented a phased migration between backend APIs, ensuring zero downtime during a corporate data acquisition.
Authored internal developer guide for migrating frontend microapps from Vue2 to Vue3.
Priberam Informática | Frontend Developer
May 2021 - Feb 2022 | Lisbon | priberam.com
Pioneered integration of Vue components into an in-house JavaScript library, halving development time for new UI features.
Authored a two-way converter between Synthetic Speech Markup Language (SSML) and HTML using Test Driven Development principles.
Open Source Contributions
next-auth — PR #12379 — View PR
Repaired visibility of OAuth provider logos in dark theme. Changes affect the library's default OAuth UX flow and docs.
Certifications
Typescript for Professionals By Basarat — Udemy — May 2025
Next JS: The Complete Developer's Guide — Udemy — July 2025
Education
General Assembly | Software Engineering
July 2020 - Sep 2020 | Certification
480+ hours of full-stack training. Built "Squirrel Tales", featured in NYC Open Data's Project Gallery.
CUNY Brooklyn College | Double Bass
2008 - 2012 | B.Mus
Classical and contemporary music theory and performance.
Volunteering
Orquestra Círculo Música da Câmara | Double Bassist
March 2023 - Present | Lisbon
Volunteer with a 25-member string orchestra, presenting 5–6 free concerts per season.