Gustaf Öqvist Seimyr

Senior Data Scientist

Trosa, Sweden

About

Senior data scientist with expertise in building and operating full ML and data pipelines in production, connecting data work to real business applications. Experienced in turning complex user behavior data into insights, experiments, and product decisions.

Skills

Python

SQL

JavaScript

TypeScript

Prolog

Scikit-learn

PyTorch

TensorFlow

XGBoost

pandas

NumPy

Seaborn

D3.js

LLM (Claude, Codex, Gemini)

Agents (MCP, ADK, A2A)

Azure

AWS

GCP

Vercel

React

Next.js

PostgreSQL

MySQL

SQLServer

Supabase

Experience

Founder, Head of Research

Lexplore

2016 — 2026 · .

Built and scaled an AI-driven SaaS platform for reading development assessment. Designed and supervised ML pipelines and analyzed user behavior for product improvement.

Senior Researcher

Karolinska Institutet

2013 — 2025 · .

Led research at the intersection of behavior, cognition, and data science. Developed predictive models and communicated insights to stakeholders.

Researcher

St. Erik Eye Hospital

2006 — 2012 · .

Developed novel methods for applying eye tracking in clinical settings. Conducted studies on reading and human behavior.

Education

PhD in Computational Linguistics

Uppsala University

2002 — 2006

Master in Language Technology

Uppsala University

1996 — 2001

Languages

Swedish · native

English · fluent

Arabic · basic

German · basic

Spanish · basic

Interested in working with Gustaf?

Get in touch through Because Mondays.