AI-First Front-End Engineer | Performance & Innovation

arsys EN; Alcobendas; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Fixed salary with benefits

Health insurance

Daycare allowance

Meal vouchers

Flexible working hours

Hybrid work in Madrid/Logroño/Barna/Se

Valencia office

Company events twice a year

Personalized training & certifications

Employee discounts

Job summary

Arsys is seeking an experienced frontend engineer to join our Madrid-area teams, delivering AI-enhanced web solutions and high-performance rendering across DOM and Canvas.

You will collaborate with a multicultural team, ensure clean architecture, and drive features from concept to production while communicating in English daily.

The role offers hybrid working across Madrid, Logroño, Barcelona, Seville or Valencia with ongoing professional training and opportunities to attend company events.

Qualifications

• AI as a daily development multiplier with strong technical judgment.
• Fluent English for daily technical communication.
• Experience debugging complex legacy code and performing non-linear investigations.

Responsibilities

• Identify and fix performance bottlenecks across DOM and Canvas surfaces.
• Continuously refine features based on production usage and edge cases.
• Trace and resolve complex issues across large, partially undocumented codebases.
• Utilize AI across workflows to accelerate implementation and maintain real-time documentation.

Skills

AI-driven development

English fluency

Debugging & legacy navigation

Tools

Canvas

WebGL

Job description

Arsys is seeking an experienced frontend engineer to join our Madrid-area teams, delivering AI-enhanced web solutions and high-performance rendering across DOM and Canvas.

You will collaborate with a multicultural team, ensure clean architecture, and drive features from concept to production while communicating in English daily.

The role offers hybrid working across Madrid, Logroño, Barcelona, Seville or Valencia with ongoing professional training and opportunities to attend company events.