Descrição da Vaga
FRONTEND DEVELOPER (HYBRID) G9WRS9
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
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