SIXT

mobility service provider

SeniorMachineLearningEngineer(m/f/d)

Lisbon, Portugal FULL TIME
The Brief

“Senior Machine Learning Engineer (m/f/d) at SIXT. Skills: Machine Learning, Deep Learning, Data Engineering, MLOps, Cloud Computing. develop and implement cutting-edge models specifically tailored for price optimization. deploy low latency services in production with the objective to infer optimal bid price”

What You'll Achieve.

infer optimal bid price; maximize out-of-sample generalization; ensure reproducibility, fault tolerance, and cost-efficient scaling; enable efficient GPU utilization; turn ideas into real impact

Industry & Context.

mobility service provider
Problems you'll solve

determine optimal prices under capacity constraints; maximize out-of-sample generalization; optimize performance; enable efficient GPU utilization

What They're Looking For.

Must Have

Deep Learning Modeling, Scalable ML Engineering, ML Frameworks & Parallelization, Advanced Data Processing, Cloud & HPC, MLOps & Lifecycle Management

Nice to Have

experience with sequence models such as LSTMs, GRUs, and Temporal Convolutional Networks, experience building and deploying large-scale ML systems handling 50M+ data points or terabyte-scale datasets, experience leveraging distributed training and GPU acceleration, experience optimizing performance across multi-GPU or distributed environments for datasets exceeding 50M rows, knowledge of Arrow-based columnar computation and vectorized data pipelines, experience orchestrating multi-GPU/multi-node clusters for deep learning, foundations in deploying and maintaining ML models in production environments, collaboration between data science and infrastructure teams

What You'll Do.

develop and implement cutting-edge models specifically tailored for price optimization

deploy low latency services in production with the objective to infer optimal bid price

develop advanced regression prediction models to determine optimal prices under capacity constraints

prototype and evaluate novel architectures

conduct large-scale experimentation and simulation to assess model generalization and analyze behavior across geographies

and capacity constraints

design and optimize large-scale model training pipelines

build high-performance data engineering pipelines for terabyte-scale datasets

implement monitoring and continuous optimization

automating feedback loops

and hyperparameter tuning

documenting infrastructure design

mentoring peers on best practices for distributed ML and production-scale architectures

How You'll Work.

Team & Collaboration

work closely with data scientists; collaboration between data science and infrastructure teams; work alongside engineers, product experts, and business teams; open exchange – across teams, disciplines, and borders; team collaboration

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