Senior Frontend Engineer (AI)

TL;DR

Senior Frontend Engineer (AI): Building the UI for an open source LLM engineering platform with an accent on rendering massive, data-intensive views and making complex workflows feel simple. Focus on performance optimization, React setup, and owning UI/UX across the product.

Location: Europe, Berlin, London, Munich, Paris, Zurich. Expect one week per month in our Berlin office.

Salary: €90K - €160K

Company

hirify.global is an Open Source LLM Engineering Platform that helps teams build useful AI applications via tracing, evaluation, and prompt management and is now part of ClickHouse.

What you will do

• Build performant rendering for large LLM data, optimizing trace views for speed and efficiency.
• Own the React setup, shaping component building, code structure, and testing.
• Build complex interactive features, such as agent graph visualizations, redesigned trace views, and inline comments.
• Own UI/UX across the product, working with a designer to improve visual consistency and build a design system.
• Ship features end-to-end, connecting to tRPC APIs and extending them as needed.

Requirements

• Senior frontend engineer who cares deeply about performance.
• Strong in React, TypeScript, and modern CSS.
• Like to collaborate with a designer to turn complex requirements into intuitive interfaces.
• Someone who can project-manage themselves.
• Interest in open source software and genuine enjoyment talking to users about their experience.
• Thrives in a small, accountable team where your output is visible and matters.

Nice to have

• Experience with large data applications and rendering this on the frontend.
• Former founder.
• Background in data visualization or building developer tools.

Culture & Benefits

• Partner with engineering teams who are building the technology that will define the next decade(s).
• Work in an open-source devtools company with daily shipping and constant customer interaction.
• Have your work shipped under your name and produce videos to announce what you've shipped to the community.
• Solve hard engineering problems, such as visualizing data-rich traces and processing terabytes of data per day.
• Work closely with the ClickHouse team and learn how they build a world-class infrastructure company.
• Be on a continuous learning journey in the fast-paced AI space.

Hiring process

• Full process to offer letter in less than 7 days.