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Leega

Senior Machine Learning Engineer

Leega

. Design and build the ML engineering for the pricing engine .

Posted 9/24/2026contractRemote • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and building machine learning engineering solutions for pricing engines, with a focus on real-time, low-latency model deployment and optimization. Proficient in managing end-to-end ML workflows, including feature engineering, model serving, and collaboration with cross-functional teams.

Highest-signal resume keywords
Machine Learning Model ProductionPython ProgrammingRay (Serve, Train, Tune, Data)MLOps WorkflowsLinear Programming

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Machine Learning EngineeringFeature EngineeringModel ServingInference OptimizationDistributed TrainingLinear ProgrammingOffline Reinforcement LearningData Reading (Iceberg)APIs DevelopmentTesting and Clean Code
Soft Skills
MentoringTechnical Reference
Tools & Technologies
RayMLflowFeastRedisDockerClaude CodeGurobiHiGHSVLLMLiteLLM
Industry Keywords
MLOpsLow Latency ModelsReal-Time InferenceMulti-Tenant Architectures

Tech Stack

Tools & technologies
DockerPythonRayRedis

About the role

Key responsibilities & impact
  • Design and build the ML engineering for the pricing engine
  • Develop inference serving, training pipelines, and feature engineering for real-time, low-latency models on Ray
  • Design chained model pipelines on Ray Serve, including composition, low latency, and update strategies
  • Build distributed training pipelines with Ray Train/Data, HPO with Ray Tune, and tenant-specific trained models with resilient checkpointing
  • Define and materialize features in the Feast/Redis feature store, ensuring consistency between training and production
  • Implement and optimize linear programming and offline RL components of the pricing pipeline
  • Monitor modeling drift, validate versions, and deliver explainability with SHAP in partnership with MLOps
  • Serve as a technical reference, mentor team members, and define viable, scalable solutions
  • Manage handoffs with data scientists, receive data from data engineers, and deliver to the MLOps/Platform team for deployment and operations

Requirements

What you’ll need
  • Proven experience putting ML models into production
  • Python and strong Software Engineering fundamentals (APIs, testing, clean code)
  • Serving and inference optimization for low latency
  • Familiarity with containers (Docker) and MLOps workflows (registry, deployment)
  • Comfortable with AI-assisted development (Claude Code)
  • Ray (Serve, Train, Tune, Data, RLlib)
  • MLflow, Feast, and Redis
  • Linear programming (Gurobi, HiGHS)
  • Offline RL
  • Iceberg data reading
  • Nice to have: vLLM, LiteLLM, and multi-tenant architectures

Benefits

Comp & perks
  • Ongoing professional development
  • Remote work
  • Six-month project, with the possibility of extension or permanent employment