Principal Forward Deployment Engineer

T-Mobile

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Bellevue, WA
Salary
$164,500–$296,700 / yr
Posted
37 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $202k
This role $231k
$124k most similar roles pay here $315k

This role pays more than 75% of similar roles. Most pay $174,600–$230,125 — the shaded band above. At the midpoint, this role pays about $231k versus about $202k for comparable roles.

Based on 240 similar postings.

Employer

About T-Mobile

T-Mobile US is the second-largest wireless carrier in the United States, providing wireless voice, messaging, and data services under the T-Mobile and Metro by T-Mobile brands. Industry: Wireless Telecommunications

T-Mobile currently has 21 open roles on FindRole.

Listed pay typically runs $127,800–$214,360 across 21 roles with salary data.

Most-posted roles

View all roles at T-Mobile

At a glance

TL;DR · Principal Forward Deployment Engineer

Principal Forward Deployment Engineer As a Principal Forward Deployment Engineer, you will serve as the technical foundation for the Forward Deployment Engineering practice by setting the direction for agentic AI delivery across all domains. You will tackle complex technical challenges, build shared components and standards, and develop architectural approaches to ensure consistent quality and performance. This hands-on role involves writing and reviewing production code while shaping broader AI strategy alongside platform and infrastructure leadership. You will utilize Python, Go, TypeScript, or Java to build systems involving RAG, prompt engineering, agent orchestration, and hallucination mitigation. The role requires expertise in cloud-native deployment using AWS, Docker, Kubernetes, and vector databases. You will solve problems related to delivering reliable, scalable agentic AI solutions while ensuring strict adherence to data security and privacy standards like CPNI and PII within a regulated environment.

What you'll do

  • Set the technical direction for agentic AI delivery across all Forward Deployment Engineering domains.
  • Establish architectural approaches and determine which problems are best solved using agentic AI.
  • Build and maintain shared technical foundations and components to accelerate team development.
  • Solve the most complex technical challenges while ensuring cost, performance, and reliability.
  • Write and review production code as a core part of the daily role.
  • Advise leadership on delivery capacity and provide early warnings regarding low-ROI efforts.
  • Grow team capabilities by reviewing architecture, code, and setting standards for hiring.
  • Integrate data handling, privacy, and security practices into all delivered solutions.

What we're looking for

  • Bachelor’s degree in Computer Science, Software Engineering, Data Science, or a related technical field.
  • 7-10+ years of production engineering experience.
  • 3+ years of experience deploying LLM-based systems in production.
  • 2+ years of experience delivering agentic or multi-agent systems.
  • Demonstrated experience setting technical direction, defining standards, and guiding architecture for other engineers.
  • Proficiency in production Python engineering and knowledge of Go, TypeScript, or Java.
  • Expertise in LLM system architecture including RAG, prompt engineering, and hallucination mitigation.
  • Authorized to work in the United States.

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