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3.8K jobs
Microsoft
57 views 4 days ago

Principal Software Development Engineer - XBOX Product Growth

New On-siteNorth AmericaPrincipal
Canada
Multiple Locations, Multiple Locations

Principal engineer on Microsoft's Xbox Product Growth team: designs and ships full-stack growth experiments (console, services, web/mobile) to lift console retention and daily active users, backed by telemetry, metrics, and A/B testing, while mentoring and accelerating the team with AI-enhanced workflows. Stack: TypeScript/React/XAML, C#/.NET, Azure.

Agentic AI Agile AI Analytics Azure +11 skills
142K – 258K CAD
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True Anomaly Backed by Accel
53 views 4 days ago

Principal Software Engineer, Spacecraft Simulation

New On-siteNorth AmericaContractPrincipal 4 questions
United States
Denver, CO, Long Beach, CA

Sets the long-term technical vision and architecture for True Anomaly's spacecraft simulation platform, leading development of production-quality C++/Python multi-physics simulation (6DOF dynamics, thermal, propulsion, sensors), API design, and V&V while mentoring engineers. Fully onsite in Denver, CO or Long Beach, CA.

API Api Design Automation Bazel CI/CD +9 skills
210K – 325K $
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Microsoft
72 views 4 days ago

Principal Software Engineer - CTJ - Poly

New On-siteNorth AmericaPrincipal
United States
Virginia, Reston

Hands-on principal engineer on Microsoft's Azure AI Platform air-gapped team, delivering Azure OpenAI, Microsoft Foundry, Azure Machine Learning, and Azure AI Services in sovereign/air-gapped clouds for government workloads. Sets technical direction, writes code, and drives reliability across services; requires active TS/SCI clearance with polygraph.

AI Automation Azure CI/CD Cloud +14 skills
143K – 275K $
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AvidXchange, Inc.
78 views 4 days ago

Principal Software Engineer

Open 33d North AmericaFull-timePrincipal 17 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Charlotte, North Carolina

Principal Engineer on AvidXchange's Payments team in Charlotte: a hands-on senior IC who sets technical direction and architecture for B2B payment processing systems using .NET, Azure, event-driven/microservices patterns, while championing an agentic AI-first development workflow (Cursor, Claude Code, Copilot) and mentoring engineers.

Accounts Payable Agentic AI Agile AI Analytics +51 skills
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ID.me
62 views 4 days ago

Principal Software Engineer, Data

New North AmericaFull-timePrincipal 3 questions
United States
McLean, Virginia, Mountain View, California

Principal engineer (SDE6) owning the architectural roadmap for ID.me's data ecosystem: assessing and evolving relational (PostgreSQL/AlloyDB/CloudSQL), graph, and event-driven systems into a scalable, API-first, cloud-native platform, with hands-on coding, migrations, and governance. Full-time on-site in Mountain View, CA or McLean, VA.

AI Analytics API Authentication AWS +27 skills
209K – 275K $
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SoFi
57 views 4 days ago

Principal Software Engineer, Cloud Networking Platform

New North AmericaPrincipal 16 questions
United States
CA, San Francisco, WA, Seattle, UT, Cottonwood Heights

Principal engineer owning SoFi's company-wide cloud networking vision on AWS: internet edge, DNS/CDN/WAF, load balancing, VPC and multi-account connectivity, plus AI-driven network automation. A hands-on leadership role requiring 10+ years, deep AWS/Kubernetes networking expertise, and Go or Python.

Agentic AI AI Ai Enablement Automation AWS +19 skills
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Harness
119 views 4 days ago

Principal Software Engineer

Open 139d RemoteNorth AmericaPrincipal No extra questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Principal Software Engineer on Harness's Software Engineering Insights (SEI) team, designing and building scalable Java backend services that integrate with 40+ developer tools (e.g., Jira, GitHub) and turn raw SDLC event data into engineering metrics. Core stack: Java, MySQL/PostgreSQL, Elasticsearch, cloud (AWS/Azure/GCP), Docker, CI/CD.

Agile AI API AppDynamics Automation +21 skills
150K – 226K $
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Harness
80 views 4 days ago

Principal Software Engineer- CD

Open 67d HybridAPACInternshipPrincipal No extra questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
India
Bengaluru, Karnataka

The Principal Software Engineer will lead complex cross-platform initiatives and technical projects for Harness's AI-powered software delivery platform. This role involves driving technical strategy, mentoring engineering teams, and solving high-level architectural challenges in a hybrid environment.

AI API AppDynamics Automation Cisco +7 skills
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MaintainX
28 views 4 days ago

Développeur(se) logiciel principal (Senior), déploiements de conformité et multi-régions

Open 92d HybridNorth AmericaFull-timePrincipal 4 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Canada
Montreal

Senior software developer at MaintainX (now part of Autodesk Operations Solutions) in Montreal, leading technical delivery of compliance and multi-region deployments — single- and multi-tenant, starting with a FedRAMP-focused AWS GovCloud environment. Combines full-stack app development (TypeScript, React Native) with IaC (Terraform, Atmos) and cross-team leadership.

AWS Bash CI/CD Distributed Systems Fedramp +7 skills
131K – 191K CAD
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Jensen Hughes
25 views 4 days ago

Fire Engineering Manager

Open 69d APACContractPrincipal 9 questions H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Australia
Melbourne, Victoria

A senior Fire Engineering leader to run Jensen Hughes' Melbourne team in Victoria, staying hands-on with fire safety technical work (Australian Building Code and Standards) while leading people, managing clients, winning business development, and growing the firm's market presence.

Accessibility AI Business Development Ccpa ChatGPT +2 skills
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mirantis
181 views 4 days ago

Principal Software Engineer

New RemoteNorth AmericaPrincipal Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Austin, TX

Senior technical lead for Mirantis' Enterprise AI platform: owns the architecture of the AI gateway, LLM model serving on Kubernetes, identity, metering and observability, and sets the technical bar for a small remote-first senior team building largely in Go and Python.

AI AWS CI/CD Cloud Distributed Systems +9 skills
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DoorDash Backed by Y CombinatorBacked by SequoiaBacked by SoftBank Vision Fund
103 views 4 days ago

Principal Software Engineer, Ads

Open 142d RemoteNorth AmericaPrincipal 7 questions
United States
New York, NY, San Francisco, CA, Sunnyvale, CA

Leads the technical architecture and long-term strategy for DoorDash’s growing ad platform, shaping distributed systems for restaurant/CPG advertisers while collaborating with ML, product, and data teams to improve advertiser ROI and platform reliability.

Data Science Distributed Systems Machine Learning
269K – 395K $ / hr
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Upstart
83 views 4 days ago

Principal Software Engineer

Open 139d RemoteNorth AmericaFull-timePrincipal 7 questions
United States

Principal Software Engineer at Upstart designing and leading internal platforms, security automation, and operational systems for Upstart Bank, using modern web tech and AI-driven lending infrastructure.

AI API Authentication Automation CAD +8 skills
191K – 264K $
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STR
28 views 4 days ago

Principal Model-Based Systems Engineer

Open 142d North AmericaFull-timePrincipal 10 questions
United States
Arlington, VA

Principal Model-Based Systems Engineer designing and leading DoD systems using SysML and Cameo, ensuring traceability and compliance with Digital Engineering goals while mentoring teams.

Agile Analytics Automation C++ Cybersecurity +5 skills
206K – 284K $
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STR
28 views 4 days ago

Principal Radar Systems Engineer

Open 53d North AmericaFull-timePrincipal 10 questions
United States
Dayton, OH

Leads the architecting, design, and hands-on development of advanced radar systems for national defense at STR's Dayton, OH office — covering RF sensing, waveform generation and signal processing, simulation-driven performance analysis, and MBSE in Cameo. Requires an active Secret clearance and ~10 years of radar systems engineering experience.

Analytics C++ MATLAB MBSE Python +4 skills
204K – 284K $
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Atlan
93 views 4 days ago

Principal Software Engineer - Agent & App Platform

Open 83d RemoteAPACFull-timePrincipal 10 questions
India

Principal engineer building the data platform that powers Atlan’s AI context layer, designing APIs, ingestion frameworks, and multi-tenant systems to serve 100K+ users with 99.99% availability.

Agentic AI AI API Authentication Automation +21 skills
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CoreWeave
75 views 4 days ago

Principal Software Engineer - Models

Open 45d North AmericaFull-timePrincipal 13 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA, Bellevue, WA, Sunnyvale, CA, New York, Livingston, NJ

Owns the frontend architecture, performance, and stability of the Weights & Biases (W&B) Models app at CoreWeave — setting performance targets, deciding delivery and rendering architecture, and partnering with backend teams on API design. Core stack: React, TypeScript, GraphQL, with deep performance engineering and cross-team coordination.

AI API Api Design Cloud Datadog +9 skills
227K – 303K $
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Dropbox Backed by Y CombinatorBacked by SequoiaBacked by AccelBacked by Greylock
26 views 4 days ago

Principal Software Engineer, Product Engineering

Open 25d RemoteNorth AmericaPrincipal 6 questions
Canada
Canada: Select locations

A hands-on principal-level engineer who owns Dropbox's most ambiguous, company-critical technical problems: setting multi-year architecture and standards across frontend and backend systems at the scale of hundreds of millions of users, partnering with senior leadership, and driving AI adoption in both product features and engineering workflows.

Agentic AI AI Ai Enablement API Distributed Systems +3 skills
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talentsearchpro
46 views 4 days ago

Principal / Senior Principal Software Engineer, Java/Python & AI

New HybridNorth AmericaFull-timePrincipal
United States
Atlanta, GA, Cincinnati, OH, St. Louis, MO

Principal-level hands-on engineer building enterprise Java applications and backend services with Spring Boot, REST APIs, and microservices, plus Python automation and SQL work, while leveraging generative-AI tools like Copilot and Claude. Hybrid role: four days onsite in Atlanta or St. Louis; $150k-$180k base.

Agentic AI Agile AI API Automation +19 skills
150K – 180K $
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Technatomy Corporation
76 views 4 days ago

MUMPS Software Engineer

New RemoteNorth AmericaPrincipal
United States

Remote MUMPS Software Engineer at Technatomy who develops, tests, and maintains MUMPS routines and application logic for government clients (notably the VA), using FileMan, List Manager, and XML, in collaboration with a Principal MUMPS Architect. Requires a Public Trust clearance and U.S. citizenship or Green Card.

API XML
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