We are a reference in implementing digital businesses across Latin America and Europe. As one of the largest companies in this niche, we are recognized for our excellence and are currently positioned as the most valuable agency (MVP) in the Vtex Quadrant. With operations in Brazil, Mexico, Chile, Argentina, and Spain, we serve over 40 countries alongside the world’s leading brands, offering services in e-commerce development, implementation, and evolution; SEO; Media; CRO; and CRM. We have grown significantly and continue expanding—taking on increasingly larger, more complex projects while entering new international markets. In this process, we were acquired by WPP Group, the world’s largest communications company. Today, we count on more than 600 courageous, determined, innovative, agile, and collaborative professionals who collectively lead and build the future of e-commerce. Join us in building that future \#vemsercorebiz. **Responsibilities and Duties** Responsible for developing, maintaining, and continuously improving projects, ensuring functionality across diverse browsers and devices. Collaborates closely with design and backend teams to ensure all features and visual elements meet expectations. Ensures high code quality, focusing on optimization and performance, while also prioritizing code readability to facilitate future maintenance. **Requirements and Qualifications** * Masters performance aspects of JS and CSS * Understands, applies, and resolves GraphQL-related structures * Works effectively with React, following best practices; capable of creating/maintaining components of any complexity, using Hooks and Context * Masters TypeScript * Masters professional tools (Editor, OS, etc.) * Understands key programming paradigms (e.g., OOP and/or Functional) * Creates development environments or boilerplates to easily initiate projects * Understands when and how to perform synchronous or asynchronous requests * SEO (HTML structuring, resolving PageSpeed checklist items, Schema.org) * Capable of sharing knowledge and mentoring beginners * Tooling (e.g., Webpack, GulpJS, NPM Scripts) * CSS preprocessors * Design patterns applied to JavaScript and CSS (at least basic level) * Familiarity/experience with at least one JavaScript framework (React JS, Angular, Vue JS) * Understands the HTTP protocol, response status codes, and available methods: GET, POST, PUT, PATCH, DELETE **Preferred Qualifications:** * English (Intermediate) * Completed Bachelor’s Degree **Additional Information** **Benefits:** * MetLife life insurance * Unimed health insurance with co-payment * Amil dental insurance * Funeral assistance * Flash card with monthly credit for meals/groceries, home office allowance \+ flexible credit * Childcare assistance * Birthday day off * Language study scholarship * Flexible working hours * SESC partnership * Benefits club with partner companies and clients * Employee referral program with rewards * Feedback culture and regular 1:1 meetings * Engagement management tool with active listening * Health and wellbeing program \#feelgood * Diversity and inclusion program \#coreyou * In-house training platform and partnership with Gama Academy **.our story** .In 2013, *Santa Mônica*, a digital production agency focused on e-commerce, was founded. At the time, founders Felipe Macedo and Renan Mota could not have imagined where their dream would take them. .In less than 10 years, **Corebiz**—as it is now known and recognized—expanded its business and established operations in **5 countries:** Brazil, Argentina, Mexico, Chile, and Spain. **.who we are** .Today, we have over 500 professionals worldwide supporting clients across 29 countries. Recently, we joined WPP Group—the world’s largest communications and advertising group—and became part of VMLY\&R COMMERCE’s global network. None of this would be possible without one essential element: people. **.Corebiz reached this point thanks to the talented professionals who have been (or were) part of our team over the years.** **.our culture** We are our culture: determined, innovative, collaborative, agile, and courageous. **.the Corebiz experience** We strive to support our people at all times, promoting programs, initiatives, and benefits designed to deliver a positive experience for every team member. Currently, our benefits package includes: * Life insurance * Unimed health insurance * Dental insurance * Caju card * Wellhub (partnership with gyms) * Conexa Saúde (psychological therapy and nutritionist services) * Flexible working hours * Home office allowance * Feedback culture and regular 1:1 meetings * Engagement management and active listening * External ethics channel * Internal platform for courses and certifications * Language study scholarship * Profit-sharing program * Benefits club and partnerships * Employee referral program with rewards * 6-month maternity leave \+ 20-day paternity leave * Childcare assistance * Birthday day off * Feel Good: quality-of-life initiatives * CoreYou: diversity and inclusion initiatives **\#VemSerCorebiz** Corebiz pays close attention to gender diversity and has already devoted its best efforts toward optimizing conditions—including diversity and inclusion initiatives, adjustments to compensation and evaluation policies—to ensure equal opportunities for all. Accordingly, starting this year and per Law No. 14.611/2023, Corebiz will publish consolidated data regarding its total workforce, helping provide a more representative picture of compensation practices and enabling understanding of any variations. The latest published report can be viewed here. Please note that the statistics presented in the report do not reflect the company’s actual reality or culture, as a broad range of situations (regarding positions/levels/salaries) are grouped under the same occupational classification codes (CBOs). For any questions, please contact our People team at *people**@corebiz.ag*