12,314 Principal jobs

Senior / Principal Data Scientist - Discovery

airflow analytics causal-inference data-engineering data-science +8 skills

Senior/Principal Data Scientist on Roblox's Discovery Experiences team, owning ML ranking for Home, Search, Matchmaking, and Notifications across a two-sided marketplace of 70M+ DAUs. Drives experimentation, causal inference, and deep-learning frameworks that shape which user-generated experiences get surfaced.

307 430 – 373 680 $

Senior / Principal Infrastructure Engineer - ML Platform

automation aws ci-cd cloud data-science +7 skills

Design, scale, and maintain the foundational Kubernetes and cloud infrastructure powering Roblox's ML Platform, supporting hundreds of ML use cases and billions of daily inferences. Core technologies include Kubernetes, Terraform, Docker, AWS/GCP, GPU fleet management, and custom Kubernetes controllers.

278 530 – 345 040 $

Principal Frontend Software Engineer, Connections

express javascript react typescript

Principal Frontend Engineer on Roblox's Connections team building social-graph features (profiles, friends, co-play, online presence) used by millions daily. Designs scalable solutions in React/TypeScript, sets engineering standards, mentors engineers, and drives a multi-year technical roadmap.

Principal Software Engineer, CI and CD Foundation

agentic-ai ai automation aws backbone +11 skills

Principal Software Engineer on Roblox's CI/CD Foundation team, serving as chief technical strategist to architect and modernize build, test, and release platforms at massive scale for C++, Lua, and native mobile codebases in a sprawling monorepo, integrating agentic AI workflows into the developer platform.

345 040 – 399 420 $

Principal Software Engineer, Game Safety

ai automation data-science distributed-systems machine-learning

Principal engineer building and scaling distributed systems that power game moderation across Roblox, protecting billions of monthly engagement hours. Works across backend services, ML pipelines, and detection workflows in an adversarial safety context, partnering cross-functionally to ship end-to-end safety products.

Principal Frontend Software Engineer - Discovery UX

ab-testing data-pipelines javascript react statistics +1 skills

Principal Frontend Engineer on Roblox's Discovery UX team, architecting and shipping high-traffic consumer-facing features for Home, Search, Charts, and Experience Details across web and app. Drives React/TypeScript solutions with hands-on work in backend and data pipelines, plus rigorous A/B testing.

Principal Machine Learning Engineer, Content Safety

ai computer-vision data-pipelines data-science machine-learning +2 skills

Principal ML Engineer defining the 3-5 year technical strategy for content safety at Roblox, architecting massive-scale ML systems (Computer Vision, Vision-Language Models) that proactively moderate UGC for 100M+ DAU, with roughly 30-40% of time spent on backend and production integration.

Senior/Principal Product Manager, Engine Systems Foundations

ai analytics api cpp data-science

Senior/Principal Product Manager at Roblox driving the vision and roadmap for Engine Systems Foundations — the core performance, reliability, and efficiency layer of the Roblox game engine (memory allocation, thread/dispatch, creator performance APIs). Day-to-day work spans multi-year strategy, low-level C++/systems trade-offs with engineering, creator analytics, and data-driven performance progra

280 540 – 330 950 $

Principal Security Software Engineer, IAM

agentic-ai ai authentication cloud cpp +11 skills

Principal-level IC setting the technical direction for Roblox's production Identity & Access Management platform: architecting mTLS/SPIFFE workload identity, PKI, just-in-time privileged access, and centralized authorization (RBAC/ABAC), plus pioneering identity for AI agents in production.

326 060 – 385 050 $

Precision AQ

Principal Data Engineer

RemoteAPACPrincipal

ai airflow analytics automation aws +34 skills

We are building the Data Hub, a centralized data platform responsible for consolidating legacy data infrastructure, establishing enterprise-grade data foundations, and enabling advanced analytics and AI capabilities…

Precision for Medicine

Principal Central Monitor / Risk Manager

APACPrincipal

data-quality gcp statistics

Position Summary: The Principal Central Monitor (Risk Manager) serves as a strategic leader in driving data integrity, patient safety, and operational excellence across clinical development programs through advanced…

Precision for Medicine

analytics business-development data-visualization gcp process-improvement

Principal Clinical Data Scientist

RemoteLATAMPrincipal

Mexico

Position Summary: The Principal Clinical Scientist, Clinical Science Analytics & Insights is responsible for & manages the operational clinical science function from study start up through database lock for…

Precision Medicine Group

Principal Central Monitor / Risk Manager

APACPrincipal

data-quality gcp statistics

Position Summary: The Principal Central Monitor (Risk Manager) serves as a strategic leader in driving data integrity, patient safety, and operational excellence across clinical development programs through advanced…

Precision Medicine Group

analytics business-development data-visualization gcp process-improvement

Principal Clinical Data Scientist

RemoteLATAMPrincipal

Mexico

Position Summary: The Principal Clinical Scientist, Clinical Science Analytics & Insights is responsible for & manages the operational clinical science function from study start up through database lock for…

Precision Medicine Group

Principal Data Engineer

RemoteAPACPrincipal

ai airflow analytics automation aws +34 skills

We are building the Data Hub, a centralized data platform responsible for consolidating legacy data infrastructure, establishing enterprise-grade data foundations, and enabling advanced analytics and AI capabilities…

Recruitment and Marketing Specialist Open Rank (Senior or Principal Professional)

HybridFull-timePrincipal

University of Colorado Anschutz Medical Campus Department\: Graduate School Job Title\: Recruitment and Marketing Specialist Open Rank (Senior or Principal Professional) Position #\:00809585 – Requisition #\:40210 Job…

HybridNorth AmericaContractPrincipal

Contracts Finance and Accounting Specialist (Finance and Accounting Principal Professional)

financial-reporting smartsheet

University of Colorado Anschutz Medical Campus Department\: Emergency Medicine Job Title\: Contracts Finance and Accounting Specialist (Finance and Accounting Principal Professional) Position #\: 00824466 – Requisition…

analytics cloud data-analytics data-quality sql

BI Developer – Open Rank (Senior / Principal)

HybridPrincipal

University of Colorado Anschutz Medical Campus Department\: Health Data Compass Job Title\: BI Developer – Open Rank (Senior / Principal) Position # 00849505\: – Requisition #\: 40181 Job Summary\: Develop Code from…