Front End Engineer

Founded in 2012 by cyber-security experts Eduardo Cruz, Josep Gaspar, and Josh Gabel, Qustodio is the global leader in online safety and digital wellbeing for families. In 2022, Qustodio became part of the Qoria group , protecting every child's digital journey through a world-class collaboration between schools, parents, and educators in cyber safety. Qoria's mission is to support families and schools to live and navigate smarter in an increasingly connected world. Together, we help millions of families and educators across the globe protect children from online harm, while promoting healthy digital habits and awareness.

We are looking for a Frontend Engineer to help us bring our product to the next level, with strong technical and communication skills.

The candidate would join our international Engineering Team and work together with engineers, UX experts, and other stakeholders. They should be a team player with a passion for technology.

Above all, we are looking for a talented professional open for a great challenge, willing to learn new technologies, and ready to do whatever it takes to keep our customers and the business happy.

What you will do :

Build and evolve shared frontend infrastructure, tools, and components that enable product teams to move faster and deliver high-quality user experiences.

Collaborate closely with frontend engineers, designers, and stakeholders to identify common needs and provide scalable, reusable solutions.

Act as a technical partner to other teams by advising on best practices, architecture decisions, and performance optimizations.

Drive experimentation and continuous improvement through internal tools, automation, and frameworks.

Be creative and bold to experiment with new solutions.

What you bring to the table :

You aspire to create software that wows people.

You build solutions that aim for the best product usability.

You are very experienced with JavaScript frameworks (we work with React).

You're self-sufficient with JavaScript toolchains.

Testing is a first-class citizen for you.

You’re experienced in software versioning control with Git.

Fluency in English (we work in English).

Bonus points for :

You've grown fond of TypeScript's safety.

You have worked before with a server-side language like Python or PHP.

You are familiar with hybrid mobile apps.

You enjoy improving the development experience for you and your team.

You have experience in an agile workflow, like Kanban.

Soft skills that we like to hire :

Ability to collaborate with cross-functional teams,

Communication with non-technical people.

Innovative thinking, result oriented, and problem-solving skills.

Proactive, collaborative, and autonomous mindset.

What we offer you :

Exciting challenges in a fast-growing tech company where you can grow your skills and career.

A strong team culture—we value collaboration, learning, and fun.

A diverse workplace—our team includes professionals from 18+ nationalities.

Flexible work environment—including remote work options.

Competitive salary and private health insurance.

Professional development opportunities—in-house training and team-building events.

A great office in Barcelona—modern, fully equipped, and in the city center.

Perks and benefits :

Daily fruit and beverages

Daily lunch catering

23 days of annual leave plus a half-day off on your birthday

Flexible benefits package

At this stage we are only accepting application from those with full working rights in Spain.

Shortlisting will commence immediately.