Senior Routing ML Engineer

Customer Description:
The customer is a global mobility and urban services platform providing transportation and other on-demand services through a digital marketplace.

Project Description:
The work spans deep learning model development large-scale geospatial data pipelines and low-latency production serving. The candidate will measure the impact through offline evaluation metrics and the results of online experiments

Project Phase:
ongoing

Soft Skills:
Ability to influence teammates and cross-functional stakeholders effectively.
Curious and improvement-oriented mindset with a willingness to challenge existing approaches.
Excellent ability to communicate complex technical findings in a clear and concise manner.

Hard Skills / Must Have:
5 years of machine learning engineering experience building and deploying deep learning models in production.
Experience building regression forecasting or other supervised machine learning systems for production prediction tasks.
Expert-level proficiency in Python and its core data science libraries (e.g. PySpark Pandas NumPy Scikit-learn PyTorch; gradient-boosting libraries such as CatBoost/XGBoost/LightGBM).
SQL.
Ability to design an ML system from scratch including data analysis and processing.
Experience translating business goals into ML problems with appropriate metrics and non-functional requirements.
Experience designing and evaluating ML experiments.
Experience with MLOps tools.
Experience working with large-scale geospatial and behavioral datasets.
Experience deploying models to production on ML serving infrastructure and optimizing for latency and awareness of concept drift and how to detect and manage it.
Comfort working with large-scale geospatial and behavioral data (e.g. GPS traces H3 spatial indexing)

Hard Skills / Nice to Have (Optional):
Academic background in Computer Science Mathematics or a related discipline.
Experience with travel time prediction traffic estimation or routing quality.
Experience with open-source routing engines.
Knowledge of map matching speed profiles road graph tiles and historical traffic.
Experience with mapping location or geospatial products.
Experience building products for developing markets.
Experience with cloud data and machine learning platforms.

Responsibilities and Tasks:
Design and build machine learning models to improve routing and travel time prediction.
Develop traffic estimation models using large-scale GPS data.
Implement map-matching solutions for noisy GPS data.
Improve travel time calculation smoothing and rerouting logic.
Translate routing objectives into machine learning objectives and evaluation metrics.
Lead offline and online model evaluation activities.
Collaborate with backend engineers to deploy low-latency production models.
Partner with product and operations teams to define new features and requirements.
Own the production ML lifecycle including serving monitoring drift detection and retraining pipelines.

Technology Stack:Python SQL PySpark Pandas NumPy Scikit-learn PyTorch XGBoost LightGBM CatBoost MLOps ML Lifecycle Management Production ML Systems ML Infrastructure Geospatial Analytics GPS Data H3 Spatial Indexing

Additional notes: The work will be carried out either on clients equipment or via a virtual workstation.