Front-end Engineer - E-com [Hybrid - Porto, Portugal]

DBServices Portugal; Porto; Remote; EUR 45,000 - 65,000; Full time

Benefits offered by this job

Collaborative environment

Work from anywhere

Global network

Health programs: TotalPass & Mediquo

Mental health care

Job summary

DBServices Portugal is seeking a Senior Frontend Developer to build and maintain high-traffic web applications from Porto. The role emphasizes strong knowledge of web fundamentals, SSR/CSR, performance optimization, and accessibility, with a focus on leveraging AI-assisted development tools responsibly.

The candidate will collaborate with cross-functional teams to deliver scalable frontend solutions, participate in reviews and testing, and contribute to continuous improvement in a dynamic,

Qualifications

• 5+ years of professional experience in production frontend development.
• Strong knowledge of HTML, CSS, JavaScript, HTTP, and browser fundamentals.
• Solid understanding of SSR and CSR.
• Hands-on experience with web performance tools (Core Web Vitals, Lighthouse) and WCAG accessibility.
• Experience with Git, code reviews, and automated testing.
• Proficiency in AI-assisted development tools with the ability to validate AI-generated code.

Responsibilities

• Develop, maintain, and optimize web frontends in production environments.
• Ensure high performance, accessibility, and responsiveness across web applications.
• Implement and optimize SSR and CSR strategies.
• Monitor and improve web performance using Core Web Vitals and Lighthouse.
• Follow accessibility standards including WCAG guidelines.
• Participate in code reviews, automated testing, and continuous improvement of development practices.
• Leverage AI-assisted tools while critically reviewing generated code.
• Collaborate with cross-functional teams to deliver scalable, maintainable frontend solutions.

Skills

Frontend development

HTML/CSS/JS

SSR/CSR

Performance optimization

Accessibility WCAG

Git & reviews

AI-assisted coding

Tools

Git

Automated Testing

Job description

DBServices has strong roots in both Portugal and Brazil, reflecting a solid connection between the two countries.
In constant growth, DBServices stands out by supporting leading companies in Portugal, the United States, and Brazil, strengthening its international presence and expanding its impact on the global market.

We are looking for a Senior Frontend Developer with strong experience in developing and maintaining high-traffic web applications in production environments. The ideal candidate has a solid understanding of web technologies, browser behavior, rendering strategies, performance optimization, and accessibility. We value professionals who can ensure code quality, work autonomously, and effectively leverage AI tools while maintaining a critical approach to generated code.

Tasks:

• Develop, maintain, and optimize web frontends in production environments.

• Ensure high performance, accessibility, and responsiveness across web applications.

• Implement and optimize server-side rendering (SSR) and client-side rendering (CSR) strategies.

• Monitor and improve web performance using tools and metrics such as Core Web Vitals and Lighthouse.

• Follow accessibility standards and best practices, including WCAG guidelines.

• Participate in code reviews, automated testing, and continuous improvement of development practices.

• Leverage AI-assisted development tools while critically reviewing and validating generated code.

• Collaborate with cross-functional teams to deliver scalable, maintainable, and high-quality frontend solutions.

Requirements:

• 5+ years of professional experience developing and maintaining web frontends in production environments.

• Strong knowledge of HTML, CSS, JavaScript, HTTP, and browser fundamentals.

• Solid understanding of server-side rendering (SSR) and client-side rendering (CSR).

• Hands-on experience with web performance optimization (Core Web Vitals, Lighthouse) and accessibility (WCAG) in high-traffic websites.

• Experience with Git, code reviews, and automated testing.

• Proficiency in using AI-assisted development tools, with the ability to critically evaluate, validate, and improve AI-generated code.

At DBSPT you will find:

• Collaborative Environment:We value a sense of community where ideas are shared, and achievements are celebrated as a team.
• Work from Anywhere:Enjoy the freedom and flexibility to work from wherever you feel most productive and comfortable.
• Global Connection:An opportunity to interact with people from different countries and cultures, expanding your network and worldview.
• Physical Health Support:Through TotalPass and Mediquo, we provide resources and programs, and telemedicine dedicated to your physical well-being
• Mental Health Care:Team Care provides initiatives and actions to support your emotional and mental balance in daily life.

Why DBServices?

AtDBServices, wedesign,develop, andsupportcutting-edge digital platforms that driveinnovationfor leading companies acrossIT,Banking,Retail,Government,Healthcare, and other industries inEuropeand theAmericas. Ourexpertiseempowers businesses togrow,adapt, andleadin dynamic markets.

Trustedby industry leaders likeWorten,Sonae,Edenred,Natixis,Farfetch,Glintt,Efacec,Segurança Social, andMcDonald's, we deliversolutionsthat make areal impact.

Join usand be part of aglobal teamthat's shaping the future ofdigital transformation.