Sr. ML Engineer / ML Architect

New York, NY, 10001

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Type: Contract

Reference ID: 32366264

Date Posted: 06/01/2026



Job Title: Sr. ML Engineer / ML Architect
Location-Type: Remote
Start Date Is: June 16
Duration: (contract, perm, etc) 12 Month Contract
Compensation Range: $90 - 110$/hr W2
Benefits: Eligible for Health, Dental, Vision, 401K
Must be authorized to work in the U.S. This position is not eligible for sponsorship .

Job Description:

Our client is hiring a senior-level ML Engineer / ML Architect to help redesign and productize a highly business-critical internal system that supports sales account assignment and book-of-business management across 1,000 sales reps.

The current system:

  • Handles extremely complex business logic and rule orchestration
  • Requires intensive compute and optimization processing
  • Has very little room for error due to direct downstream business impact
  • Creates operational escalations quickly when issues occur
  • Is currently owned heavily by one long-tenured math PhD engineer who needs to roll off the project after several years of ownership
The team wants to:
  • Build a more scalable and configurable data product
  • Improve optimization performance and compute efficiency
  • Productize internal tooling for business users
  • Create real-time simulation/testing capabilities for sales operations users
  • Improve feature store architecture and pipeline design
  • Reduce infrastructure/storage bottlenecks and solver performance issues

Core Responsibilities

  • Architect and optimize a large-scale internal data product supporting sales operations
  • Design scalable feature store infrastructure
  • Build and optimize ML/data pipelines
  • Improve solver performance and optimization efficiency
  • Design configurable systems for business users to run real-time simulations/mock runs
  • Help define and architect pipeline orchestration and system sequencing
  • Partner with existing software engineers and ML engineers on implementation
  • Improve compute efficiency and storage optimization
  • Build feedback loops between optimization systems and end-user configuration tooling
  • Help productize internal operational systems into more robust platforms

Technical Environment:

  • Python-heavy environment
  • Some Java exposure preferred (Kafka ecosystem dependencies)
  • Snowflake/data warehouse environment
  • Kubernetes deployment infrastructure
  • Large-scale AWS infrastructure
  • Constraint programming / optimization solver systems
  • Heavy linear algebra and operations research concepts

Technical Must-Haves:

  • Strong Python engineering background
  • Experience building large-scale data infrastructure and pipelines
  • Experience designing scalable backend/data systems
  • Strong systems architecture mindset
  • Experience optimizing compute-heavy systems
  • Exposure to optimization research / operations research / constraint programming
  • Experience working with solver-based systems or large optimization problems
  • Strong understanding of feature engineering and feature store architecture
  • Experience with web services and production infrastructure
  • Ability to think through data modeling and pipeline architecture
  • Strong performance optimization mindset

Soft Skills:

  • Strong problem-solving ability
  • Systems thinking
  • Ability to architect ambiguous solutions
  • Comfortable operating in highly complex environments
  • Strong communication around technical tradeoffs
  • Strategic mindset beyond pure implementation
  • Ability to collaborate closely with existing engineering teams

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