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Principal Engineers, Software

T-Mobile

Remote (Bellevue, WA) 4 days ago $197,227–$227,500
Actively hiring Posted this week Verified listing Competitive pay
Python Scala F# ML.Net Spark Grid search Evolutionary optimization Deep Learning Multilayer Perceptron Recurrent Neural Networks Convolutional Networks Auto Encoders Variational Auto Encoders Bayes Point Machine Random Forest Randomized PCA Anomaly Detection Gradient Boosted Trees Docker
Remote
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Principal Engineers, Systems Design

T-Mobile

Herndon, VA 4 days ago $161,782–$202,900
Actively hiring Posted this week Verified listing Competitive pay
5G 3GPP RAN Network Architecture Device OEM RAN Features Security Testing Project Management Proof of Concepts Technical Documentation Cyprus Telecommunications Standards Vendor Roadmaps Advanced Engineering Techniques System Interactions Performance Reporting Optimization Techniques Executive Presentations
Hybrid
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Principal Software Engineers

Microsoft

Redmond, WA 14 days ago $142,800–$274,800
Actively hiring Verified listing Above market
Python C# Java JavaScript Azure GitHub Visual Studio CI/CD npm PyPI NuGet Maven Cargo SBOM SLSA static_analysis dynamic_analysis sandboxing deobfuscation behavioral_analysis
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Senior Principal Software Engineer, Front End Applied AI for Microsoft Threat Protection

Microsoft

Redmond, WA 76 days ago $119,800–$234,700
Actively hiring Verified listing Below market
JavaScript TypeScript React Angular HTML CSS Cloud computing Distributed systems CI/CD Full stack development Enterprise software Web development Frontend frameworks Backend services APIs Security Reliability UI architecture Collaboration tools AI integration Machine learning
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