Available to hire
I’m Sergio Ortiz, a Web Developer with a passion for design and transforming mockups into engaging, functional digital experiences. I enjoy solving technical challenges and bringing creative ideas to life through clean and efficient code.
Throughout my career, I’ve had the opportunity to work with diverse teams and clients, which has helped me continuously learn, adapt, and grow as a developer. I thrive in collaborative environments and enjoy taking on new challenges that allow me to expand my skills and deliver impactful solutions.
Location: Tijuana, Baja California, México
Skills
Language
Spanish; Castilian
Fluent
English
Intermediate
Work Experience
Solutions Engineer at Try Now
May 1, 2025 - April 1, 2026Onboarded and implemented Try Now’s Shopify solution for merchants, managing end-to-end technical setup from kickoff through go-live. Implemented and customized Shopify themes using Liquid, JavaScript, and CSS, including in-cart features, cart page modifications, and collection page style changes. Developed new Shopify theme sections/snippets to support checkout and storefront integrations. Integrated Try Now with third-party Shopify apps (e.g., Rebuy, Recharge, UpCart), handling complex scenarios such as mutation observers, custom ATC events, and subscription triggers. Cross-referenced client requirements with engineering review notes to produce structured implementation briefs and ticket-ready outputs. Managed and documented code changes across multiple merchant implementation tickets, maintaining clear changelogs in Notion. Triaged merchant-facing issues by separating storefront-level problems from systemic product bugs and escalating appropriately through internal channels.
Shopify Developer Jr at DO VR Media
January 1, 2025 - May 1, 2025Assisted clients and account managers by supporting follow-up steps for each site request. Managed theme customization and helped set up payment methods. Designed and developed custom sections for Shopify themes using Liquid and JavaScript with CSS. Optimized existing sections with the latest Shopify native code standards to reduce dependency on custom themes. Supported setup of new stores by improving respective rule sets. Created new solutions for company services to deliver better experiences for core systems, including Vue-based development work.
Shopify Developer Jr at NTD Softwares
July 1, 2024 - December 31, 2024Assisted with configuration, maintenance, and administration of Shopify stores and their catalogs. Implemented and customized Shopify themes using Liquid, JavaScript, and CSS, including in-cart features, cart page modifications, and collection page style changes. Created new sections and snippets for Shopify themes, focusing on consistent storefront behavior and updates across store instances.
Claims Representative at Confie | FNOL Claims
April 1, 2024 - July 1, 2024Handled a high volume of incoming calls and claims processes. Provided Spanish-English translation services. Delivered customer service by answering questions about current claims and redirecting clients to adjusters. Analyzed data from received emails so agents could make required decisions/solutions. Delivered reports to campaign supervisors regarding emails sent by agents and provided feedback to improve agent email skills following campaign guidelines.
Full Stack Developer at Ark usNexus | Oomph
February 1, 2021 - January 1, 2024Designed and developed custom Shopify themes and UI components using JavaScript, Liquid, and Sass. Built e-commerce functional modules using JavaScript and Liquid. Managed social media metric plugins. Implemented UI designer mockups for order-related pages and improved landing pages for better user experience. Built back-end engines using Node.js and Express, including a system to resolve “Shopify Subscriptions”. Integrated a Shopify App to connect a custom API to the front-end. Designed and developed custom functionalities to change product items for existing subscriptions using Liquid, JavaScript, and Sass.
Full Stack Developer Jr at Ark usNexus
November 1, 2019 - January 1, 2021Designed and developed features to improve web app UI using Vue.js, JavaScript, and CSS. Built back-end services with Node.js and Express to resolve “360 Evaluations”. Managed social media metric plugins and implemented UI designer mockups. Contributed to SEO improvements using analytics tools.
Full Stack Developer at Dolarex
July 1, 2019 - October 1, 2019Wrote performance-improvement scripts to validate scanned information and update the database in SQL. Implemented a database to store project resources, including video-related data, user information, and video recommendations tailored to specific users using MongoDB. Designed and developed data models and controllers in Node.js with Express for user profiles, linking saved videos to users, uploading videos, managing tags, and tracking likes per user. Implemented migration structures to add data into MongoDB.
Education
Ingeniería en Sistemas Computacionales at Instituto Tecnológico de Tijuana
January 1, 2016 - January 1, 2021Qualifications
Industry Experience
Computers & Electronics, Education, Software & Internet, Retail
Skills
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