Senior Frontend Developer

Summary

Join InnoCraft, a company dedicated to open-source analytics and data ownership, as a Senior Frontend Developer to contribute to the development of Matomo, the world's leading open-source web analytics platform. You will be responsible for building modern user interfaces using Vue.js, CSS, and JavaScript, improving the existing codebase, and collaborating with a cross-functional team to deliver end-to-end solutions. This role offers the opportunity to shape the future of Matomo's UI, influence technical direction, and contribute to a growing company.

Requirements

• 6+ years of frontend development experience, ideally in large or complex applications
• Expert-level skills in CSS, JavaScript, and component-based UI development (ideally Vue.js)
• Experience improving and rationalising large frontend systems — you’re comfortable working with legacy code and leaving it better than you found it
• Strong knowledge of frontend architecture and design systems
• Solid understanding of basic PHP logic and templating, and experience working within view/controller/plugin structures — you can comfortably trace how data flows from backend to frontend
• You care about user experience, performance, and code quality
• Excellent communication and collaboration skills — you’re proactive, thoughtful, and a clear thinker
• You’re sure-footed in a remote environment, and able to build effective working relationships with people on the other side of the world

Responsibilities

• Build modern, intuitive user interfaces using Vue.js, CSS, and JavaScript
• Work within a mature codebase — simplifying complexity, improving structure, and enhancing maintainability
• Contribute to the Matomo design system by creating scalable, reusable components and patterns
• Drive improvements to accessibility, responsiveness, and frontend performance
• Write clean, testable code, with a focus on quality and developer experience
• Collaborate with our UX engineer, full-stack engineers and QA to deliver end-to-end solutions
• Partner with product managers and designers to iterate on new ideas and turn user needs into thoughtful solutions
• Provide frontend insights during planning and spec development
• Identify UX pain points and proactively propose refinements and improvements
• Advocate for usability, accessibility, and elegant interactions — balancing technical constraints with user needs
• Help define and evolve our frontend standards, architecture, and tooling
• Take ownership of technical decisions and be a driving force for continuous improvement
• Mentor and support team members, sharing knowledge and strengthening team capability
• Influence how we work — helping shape better engineering and collaboration practices across teams

Preferred Qualifications

• Experience working on open-source projects
• Familiarity with non-framework PHP codebases
• Experience contributing to or maintaining a design system
• Understanding of Matomo’s plugin system and MVC structure (or similar environments)

Benefits

• Remote work (save many hours on commute, and save money)
• Co-working space paid for and/or work from home
• All home office equipment paid for (laptop, desk, chair, standing desk, lights, etc.)
• Flexible hours
• 25 days of paid holidays per year plus your national public holidays
• Sick leave
• Health Insurance: Your Well-being, Our Priority
• A huge “playground” to grow your skill set
• Volunteering Day: Empower Your Impact
• Bereavement Leave for Pets: Compassion Beyond Boundaries
• Training Opportunities
• Mental Health Support Services
• Opportunity to have an immediate impact on a product that is used by more than 1 million websites and almost 2% of the whole Internet
• Opportunity to work in a customer obsessed business, dedicated to building high-quality software with a strong mission of helping people grow their web projects while keeping full control of their data