Senior Frontend Engineer - High-Traffic Web Apps (Remote)

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 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,