apeirum is recruiting on behalf of maxon for a Senior Salesforce Frontend Engineer in Barcelona. This is a permanent position employed directly by maxon; apeirum runs the selection process.

maxon is a global provider of world-class precision drive systems. Its drives are used wherever extreme precision and the highest quality standards matter – on Earth, and on Mars. maxon offers creative minds and passionate doers a global yet trusted environment, where people who question what is possible and challenge themselves can grow.

As Senior Salesforce Frontend Engineer you design and build modern, scalable and user-friendly frontends in maxon's Salesforce ecosystem. You shape the user experience of maxon's global Sales and Marketing platforms, with a strong focus on performance, usability and business value, and you work closely with backend developers, architects and business stakeholders in Barcelona and Switzerland. Hybrid in Barcelona (3 days office, 2 remote).

Tasks

- 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 – must have

- 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.
- Based in Spain (Barcelona).

Nice to have

- Experience Cloud, screen flows and Lightning App Builder.
- Design-system work and reusable component libraries.
- Jest or other JavaScript testing frameworks; CI/CD for Salesforce.
- Salesforce certifications (e.g. JavaScript Developer I, Platform Developer I, B2C/B2B Commerce Developer).
- Spanish or German.

What maxon offers

- A permanent employment contract directly with maxon, competitive compensation, and adaptable working hours.
- A key role in global Salesforce solutions for Sales and Marketing.
- A dynamic and friendly workplace in maxon's Barcelona tech hub, combining startup energy with the stability of a Swiss industrial leader.
- International collaboration with teams in Switzerland and worldwide.
- Continuous learning and growth through the maxon academy.
- Additional benefits such as Club Natació de Barcelona membership and the Cobee program.

Interested? Apply with your CV. apeirum reviews every application personally and will get back to you; shortlisted candidates then interview with the maxon team, and the offer and contract come from maxon.

📌 Senior Salesforce Frontend Engineer (Barcelona)
🏢 Apeirum
📍 Barcelona