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

DBServices; Porto; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Collaborative culture

Work from Anywhere

Global connectivity

Health programs

Mental health support

Job summary

DBServices is seeking a Senior Frontend Developer to design, build, and maintain high-traffic web frontends in production. You will focus on performance, accessibility, and resilient client and server rendering strategies, while collaborating with cross-functional teams across Europe and the Americas.

Ideal candidates bring 5+ years of hands-on frontend experience, strong HTML/CSS/JS fundamentals, and a critical eye for AI-assisted code review. A global, flexible work setup is offered.

Qualifications

• 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 SSR and 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.

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 and best practices, including WCAG.
• 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 frontend solutions.

Skills

5+ years experience

HTML

CSS

JavaScript

SSR/CSR

WebPerformance

WCAG Accessibility

Git

Automated Testing

AI-assisted development

Tools

Git

Lighthouse

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:ThroughTotalPassandMediquo, we provide resources and programs, and telemedicine dedicated to your physical well-being
• Mental Health Care:Team Careprovides 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 a real impact.

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