This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Engineer - Core UX based in Spain.

Join a integral engineering team building sophisticated software and AI-powered solutions for a complex, high-impact industry.
As part of the Core UX team, you will refine existing product experiences and ensure the platform feels consistent, responsive, intuitive, and highly polished.
Your work will directly influence how users interact with the product every day, from visual details and interactions to performance and usability.
You will combine strong frontend expertise with full-stack engineering skills to deliver scalable and reliable solutions.
Working alongside full-stack, data, machine learning, and DevOps engineers, you will tackle challenging problems in a highly collaborative environment.
As part of a small, high-performing team, your technical decisions and contributions will have significant influence on both the product and the wider business.




This role is ideal for an experienced engineer who takes ownership, values craftsmanship, experiments continuously, and is motivated by creating exceptional user experiences.

Accountabilities
- Refine and enhance existing product functionality with a strong focus on usability, consistency, responsiveness, performance, and visual quality.
- Improve the overall user experience by paying close attention to layouts, interactions, interface behavior, and product polish.
- Design, develop, debug, and maintain scalable full-stack solutions that support evolving product requirements.
- Contribute to frontend development using modern frameworks, with React experience particularly valuable.
- Develop and maintain backend functionality, including serverless architectures, asynchronous workflows, and cloud-based services.
- Work effectively with relational databases and contribute to reliable, scalable data solutions.
- Collaborate closely with

📌 Senior Full Stack Engineer (Madrid)
🏢 Jobgether
📍 Madrid