ML Engineer - Remote (Europe)

Reflow
Berlin, Germany
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Compensation
€ 160K

Job location

Remote
Berlin, Germany

Tech stack

Python
Machine Learning
Raw Data
TensorFlow
PyTorch
Large Language Models

Job description

  • Train, fine-tune, and evaluate machine learning models on real-world workflow and behavioral data
  • Build predictive models for task outcomes, productivity trends, capacity forecasting, and workflow optimization
  • Fine-tune large models and foundation models for domain-specific prediction, classification, and embedding tasks
  • Design and maintain feature pipelines, training loops, and evaluation frameworks
  • Work with engineers and product teams to integrate trained models into production systems
  • Monitor model performance and iterate using offline evaluation and live data feedback

Requirements

  • Strong foundation in Python and applied machine learning
  • Experience training supervised and self-supervised models
  • Hands-on experience with model fine-tuning, evaluation, and deployment workflows
  • Comfortable working end-to-end from raw data through training to production inference
  • Pragmatic, curious, and experimental with a bias toward shipping working models

Bonus points

  • Experience fine-tuning large language models or embedding models
  • Familiarity with PyTorch, TensorFlow, or similar frameworks
  • Experience with time series forecasting, behavioral modeling, or graph-based learning
  • Background working with messy, real-world product data

Benefits & conditions

  • Build the learning backbone of Reflow that turns work data into predictions and signals
  • Work closely with founders, engineers, and product teams
  • Ship real models into production and see them shape how teams work
  • Flexible structure, part-time or full-time, with a focus on ownership and iteration speed

Compensation Range: $80K - $160K     If you require alternative methods of application or screening, you must approach the employer directly to request this as Indeed is not responsible for the employer's application process.

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