FRONTEND DEVELOPER (HYBRID)
iTRTech Group · Porto, PI, BR
#### **FRONTEND DEVELOPER** **(HYBRID MAIA – PORTUGAL)** Portuguese company hires for hybrid position Location: Maia, Portugal * ️ Only candidates already based in Portugal will be considered Work Model: Hybrid – 2 days per week in the office ️ Language Requirements: English B2\+ and Portuguese B2\+ Seniority: Senior (5\+ years) **Industry:** Food \& Staples Retailing Rate Between €2700 \- 3000 RV or unipessoal (gross value) * ️ Instructions: Please send your CV in English and make sure to include all skills and experience that match the requirements of the opportunity. This will significantly increase your chances of success. #### **About the Opportunity** We are looking for an experienced Frontend Developer to develop, maintain, and optimize high\-traffic web applications. The professional will focus on frontend performance, accessibility, modern web development practices, and code quality, contributing to scalable and reliable digital experiences. #### **Responsibilities** * Develop, maintain, and improve production\-ready web frontend applications. * Build responsive, accessible, and high\-performance user interfaces. * Optimize website performance using Core Web Vitals, Lighthouse, and related tools. * Apply Server\-Side Rendering (SSR) and Client\-Side Rendering (CSR) principles. * Participate in code reviews, automated testing, and version control processes. * Use AI\-assisted development tools responsibly, reviewing and validating generated code. * Collaborate with development teams to maintain frontend quality and reliability. #### **Requirements** * Minimum 5 years of experience developing and maintaining production web frontends. * Strong proficiency in HTML, CSS, JavaScript, HTTP, and browser fundamentals. * Solid understanding of Server\-Side Rendering (SSR) and Client\-Side Rendering (CSR). * Hands\-on experience optimizing performance in high\-traffic websites, including Core Web Vitals and Lighthouse. * Practical knowledge of web accessibility standards, particularly WCAG. * Experience with Git, code reviews, and automated testing. * Mature use of AI development tools, with the ability to critically evaluate and validate AI\-generated code. * English B2\+ and Portuguese B2\+. #### **Nice to Have** * Experience with React and TypeScript. * Participation in migrations to Headless Architecture. * Experience in large\-scale E\-commerce or online retail platforms. * Production experience with Salesforce Commerce Cloud (SFCC / B2C Commerce / Demandware). * Knowledge of SFRA, including Cartridge Path, Overlay, ISML, Controllers, Models, and SCAPI. * Experience with Storefront Next, PWA Kit, or Composable Storefront. * Knowledge of React Native. #### **Ideal Candidate Profile** A Senior Frontend Developer with strong expertise in modern web technologies, frontend performance, accessibility, and production application maintenance. The ideal candidate combines solid JavaScript fundamentals with experience in high\-traffic environments, automated testing, and responsible AI\-assisted development. Experience in E\-commerce, React, TypeScript, or Salesforce Commerce Cloud is highly valued. #### **5 Questions for Candidates** * How many years of professional experience do you have developing and maintaining production web frontend applications? * What is your experience with HTML, CSS, JavaScript, SSR, CSR, and browser performance optimization? * Have you worked with Core Web Vitals, Lighthouse, WCAG accessibility standards, and automated testing? * Do you have experience with React, TypeScript, Headless Architecture, or Salesforce Commerce Cloud (SFCC)? * Are you proficient in English and Portuguese at B2\+ level, available to work in Maia twice a week, and aligned with the proposed rate of €2,700–€3,000? #### **Keywords** Frontend Developer, Frontend Engineer, JavaScript, HTML, CSS, HTTP, Browser Fundamentals, Server\-Side Rendering, SSR, Client\-Side Rendering, CSR, Web Performance, Core Web Vitals, Lighthouse, Web Accessibility, WCAG, Git, Code Review, Automated Testing, AI\-Assisted Development, React, TypeScript, Headless Architecture, E\-commerce, Salesforce Commerce Cloud, SFCC, B2C Commerce, Demandware, SFRA, ISML, SCAPI, Storefront Next, PWA Kit, Composable Storefront, React Native \#00362472