Member of Technical Staff

Reflection
Full-time Finland, Finland Other-General
Posted:
February 21, 2026
Location:
Finland, Finland, Finland

Job Description

Our Mission

Reflection's mission is to build open superintelligence and make it accessible to all.

We're developing open weight models for individuals, agents, enterprises, and even nation states. Our team of AI researchers and company builders come from DeepMind, OpenAI, Google Brain, Meta, Character.AI, Anthropic and beyond.

About the Role

Data is playing an increasingly crucial role at the frontier of AI innovation. Many of the most meaningful advances in recent years have come not from new architectures, but from better data.

As a member of the Data Team, your mission is to build and operate the ingestion systems that turn the open web and other large-scale data sources into reliable, well-structured corpora for training frontier models. You will own the machinery that acquires, extracts, normalizes, versions, and delivers data to our pre-training pipelines. You'll work directly with world-class researchers to close the loop bet...

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Job Overview

Job Type: Full-time
Location: Finland, Finland
Posted: February 21, 2026
Deadline: April 02, 2026