Senior Salesforce Frontend Engineer

November 5, 2026

Hybrid

Senior

Barcelona, Spain

Indeed

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Mandatory office attendance
3 days per week
English is required

Description

Permanent Senior Frontend Engineer role in Barcelona designing and building modern, scalable frontends in a Salesforce ecosystem for global Sales and Marketing platforms. The work covers Lightning Web Components, Apex and external API integrations, Experience Cloud and Commerce Cloud storefronts, and design systems. The engineer focuses on performance, usability and business value while collaborating with backend developers, architects and business stakeholders.

Responsibilities

Develop and maintain frontend components and interfaces in Salesforce, mainly with Lightning Web Components (and Aura where needed)
Build and customise user interfaces across Experience Cloud, Commerce Cloud storefronts, Lightning App Builder and screen flows
Connect frontend components to Apex services and external APIs, with a clean separation between UI and business logic
Turn business requirements into intuitive, high-quality UI/UX within the platform's capabilities
Make applications fast, responsive and cross-browser compatible
Contribute to design systems and reusable components for consistency across applications
Take part in code reviews, testing and deployments, and keep improving existing frontend solutions
Use AI coding assistants responsibly to speed up development, reviewing every output for correctness, security and maintainability

Requirements

5+ years of frontend development, with substantial hands-on work in Salesforce
Senior-level experience with Lightning Web Components (or Aura / similar component frameworks)
Strong Salesforce Commerce Cloud experience
Strong frontend fundamentals: JavaScript (ES6+), HTML5, CSS3 and a component-based mindset
Experience integrating frontends with Apex and external APIs
A structured, reliable and quality-driven way of working, with ownership of your deliverables
Enjoy working in cross-functional, international teams
Fluent English

Conditions

Hybrid in Barcelona (3 days office, 2 remote)
Permanent employment contract
Competitive compensation and flexible working hours
Based in Spain (Barcelona)
A key role in global Salesforce solutions for Sales and Marketing
International collaboration with teams in Switzerland and worldwide
Continuous learning and growth through the employer academy
Additional benefits such as Club Natació de Barcelona membership and the Cobee program
Barcelona tech hub with startup energy and the stability of a Swiss industrial leader