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Senior Software Engineer - Machine Learning Platform

🌐 Remote💼 Full-time💰 $166,900–$166,900🗓 2026-08-27 → 2026-09-26

Core

Building and operating the core infrastructure for ML model training, feature engineering, inference, and marketplace simulation to power Upstart's AI lending platform.

Role type

Senior IC MLOps and simulation platform engineer

Builds

Production MLOps platform, self-service model deployment tooling, feature platform, and high-fidelity marketplace simulation systems

Domain

Fintech / AI Lending / MLOps

Deliverable

production ML models | infrastructure

Required skills

Backend software services and APIs, distributed systems, large scale data processing, ML production path (training pipelines, model serving, feature pipelines), Python, Kotlin, AWS

Preferred skills

Metaflow, MLflow, gRPC, Spark/PySpark, dbt, Ray, GPU, simulation/backtesting systems, self-serve tooling

Technologies

Spark, Databricks, Ray, Python, Kotlin, AWS, Metaflow, MLflow, gRPC, dbt

Responsibilities

Build and optimize the next-generation ML and simulation platform for scale and performance; Develop software applications enabling ML model application; Build self-service tooling for feature registration and model deployment; Deliver data and feature infrastructure (definition, storage, serving, offline/online parity); Design and contribute to simulation systems; Mentor engineers on distributed systems and MLOps

Seniority

Senior, hands-on IC

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