Senior Frontend Engineer (React)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Frontend Engineer (React) based in Spain.

This role offers the opportunity to build innovative, high-performance frontend experiences for a global software ecosystem serving leading mobile-first businesses worldwide. As a Senior Frontend Engineer, you will work on complex, interactive applications that combine advanced UI technologies, real-time data, and AI-powered capabilities. You will take ownership of frontend architecture, contribute to product decisions, and collaborate closely with backend and product teams. The position is ideal for an engineer who enjoys solving challenging technical problems, creating intuitive user experiences, and working in a remote-first international environment. You will have the opportunity to influence product direction while building scalable solutions used by businesses across global markets.

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Accountabilities

• Develop modern dashboard interfaces using React and TypeScript, delivering intuitive and scalable user experiences.

• Build advanced frontend features involving canvas-based workflows and generative AI-powered experiences.

• Integrate frontend applications with asynchronous backend pipelines, including real-time communication through technologies such as WebSockets.

• Optimize performance for complex interfaces handling large media datasets and highly interactive user workflows.

• Contribute to UX and product decisions by bringing technical expertise and user-focused thinking beyond implementation tasks.

• Design and maintain effective data contracts and collaboration processes with backend engineering teams.

• Build and improve sophisticated frontend capabilities such as drag-and-drop interactions, undo/redo functionality, and real-time previews.

• Collaborate with distributed international teams in a remote-first environment while contributing to shared product goals.

Requirements

• 5+ years of professional frontend development experience, ideally working on visually complex and interactive applications.

• Strong expertise in React, TypeScript, and Tailwind CSS.

• Proven experience building dashboard features and data-rich user interfaces.

• Experience with modern frontend libraries and frameworks, including TanStack libraries.

• Strong understanding of scalable state management solutions such as Zustand and TanStack Query.

• Experience implementing advanced UI interactions, including drag-and-drop interfaces, undo/redo functionality, and real-time application features.

• Ability to work independently, take ownership of technical decisions, and collaborate effectively with cross-functional teams.

• Strong product mindset with the ability to balance technical excellence and user experience.

• Experience with canvas or WebGL technologies, such as React Flow, is a plus.

• Familiarity with LLM-powered user experiences, generative AI products, performance optimization for image-heavy applications, Zod, or marketing technology platforms is considered an advantage.

Benefits

• Fully remote-first working environment with flexible working hours to support work-life balance.

• Vacation and public holidays according to local regulations, plus additional paid time off for personal wellbeing.

• Health and wellness support through medical insurance or healthcare compensation and paid sick leave.

• Access to professional development opportunities, including conferences, industry events, and internal learning programs.

• Supportive management style with no micromanagement and regular performance and career development discussions.

• Opportunities for internal mobility and long-term career growth.

• Collaborative culture with international teams, shared goals, open communication, and constructive feedback.

• Remote team engagement initiatives, online company events, and team retreats.

• Workspace support, including coworking cost coverage and access to office hubs in selected locations.

• Opportunity to work on impactful products integrating AI, advanced technologies, and innovative solutions for global customers.

\nHow Jobgether works:

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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