Get real-time visibility, make data-driven decisions, and measure ROI from automation and optimization.
ML Engineer
Location
Germany
Posted
135 days ago
Salary
0
Seniority
Senior
Job Description
ML Engineer
Reflow
• 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
Job 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 for 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
- Flexible structure, part-time or full-time, with a focus on ownership and iteration speed
- Build the learning backbone of Reflow that turns work data into predictions and signals
- Work closely with founders, engineers, and product teams
Related Guides
Related Job Pages
More Machine Learning Engineer Jobs
Senior Machine Learning Engineer
Greenhouse SoftwareMore than an ATS, we help businesses deliver measurable hiring results so they can build, grow and hire for what's next.
• Develop software applications with a strong focus on machine learning • Train deep learning models using PyTorch and Transformers and experiment with (new) techniques to reduce their memory footprint, speed them up, or increase their accuracy • Deploy software applications, including deep learning models, in production, using AWS and Greenhouse’s internal tools • Partner with other members of the R&D team to uplevel their comfort and familiarity with shipping Machine Learning features • Help set vision and strategy for AI within our product suite • Develop applications that are compliant with our AI policies that prioritize privacy, security, ethical concerns, and best practices while handling data • Contribute to and build all phases of the AI system lifecycle from ideation, model development, testing, evaluation, improvements and monitoring
Machine Learning Engineer
Greenhouse SoftwareMore than an ATS, we help businesses deliver measurable hiring results so they can build, grow and hire for what's next.
• Own well-scoped ML components or models: You will take ownership of specific components, executing on defined problems with guidance • Train and deploy models using established patterns, and ship models to production following existing tooling and standards • Monitor and debug models with help from senior engineers, and work to improve model performance incrementally • Implement AI governance, privacy, and security requirements as defined • Collaborate within the team and with partner functions, while communicating progress, risks, and blockers clearly
Machine Learning Engineer II, Economics
InstacartInstacart invites the world to share love through food. This is how homemade is made.
• You will help design and build end-to-end machine learning solutions. • You will be working in small and cross-functional product teams, with great opportunities for growth and ownership of projects. • You will be an active member of an internal community, including economists, data scientists, operations research scientists and machine learning engineers, sharing learnings, best practices and research across many domains. • You will develop high impact solutions to support Instacart's ambitious growth plans. • You will work closely with engineers, product managers, other teams, and both internal and external stakeholders, owning a large part of the process from problem understanding to recommending a solution and testing it in controlled experiments. • You will have the freedom to suggest and drive organization-wide initiatives.
Senior Staff AI/ML Engineer
Kraken Digital Asset ExchangeWe put the power in your hands to buy, sell, and trade digital currency 🌏
• Set long-term technical direction for Kraken’s AI/ML strategy, influencing multiple teams and initiatives. • Own the architecture and evolution of core AI/ML systems, including training, feature management, serving, experimentation, and monitoring. • Lead cross-team efforts to standardize ML development and operational practices across the company. • Drive the design and delivery of complex, high-impact ML systems for use cases such as fraud, risk, personalization, and recommendations. • Partner with senior engineering, product, and data leaders to identify where ML can unlock step-change improvements in scalability and efficiency. • Balance hands-on technical contributions with architectural leadership and design review responsibilities. • Evaluate emerging ML and GenAI technologies and lead their adoption when they provide durable platform-level value. • Mentor Staff and Senior engineers, shaping technical culture and raising the overall quality of ML engineering at Kraken.



