Senior Frontend Engineer - High-Performance UI for LLM Data

Langfuse

Full-time , , Spain, , , Spain Informática y tecnología

Posted:

February 28, 2026

Location:

, , Spain, , , Spain, Spain

Job Description

                    An open-source LLM engineering platform is seeking a Senior Frontend Engineer to enhance performance and build intuitive user interfaces. This role involves optimizing the rendering of large-scale data, improving user experience, and collaborating closely with designers. Strong knowledge of React and TypeScript is required, along with a passion for user experience and performance. This position is based in Spain, with some expectations for presence in Berlin office.
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Job Overview

Job Type: Full-time

Location: , , Spain, Spain

Posted: February 28, 2026

Deadline: April 09, 2026