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Delivering Network Quality to 125M+ Customers Through Software

T-Mobile's 5G network serves 125 million customers and generates $88.3B in annual revenue — every feature launch, DevEdge API update, and network capability depends on continuous delivery at scale. Developer onboarding that takes months and pipeline toil that slows releases don't just frustrate engineers — they create competitive exposure against carriers moving faster. With Harness already live for Chaos Engineering and FME, T-Mobile has the foundation to unify its entire software delivery platform.

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Unified Software Delivery Pipeline

Replace fragmented GitLab pipelines with a single CD platform built for T-Mobile's scale and reliability requirements.

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Developer Platform Modernization

Cut developer onboarding from months to days with a standardized IDP and automated platform provisioning.

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AI-Driven Pipeline Intelligence

Connect Harness AI with GitHub Copilot and ServiceNow to automate deployments and remove manual release gates.

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Agentic SDLC Orchestration

Build the autonomous delivery layer T-Mobile's resiliency initiative requires, with enterprise guardrails built in.

Powering Reliable 5G Delivery with Harness

T-Mobile deploys features and network updates across a 125-million-customer 5G infrastructure where a failed deployment is a network event, not just a software incident. Harness gives T-Mobile's engineering teams the CD controls to release confidently at scale — the same model proven with large-scale digital enterprises facing complex deployment environments. At organizations operating at this scale, Harness has driven 4x faster deployment cycles while cutting rollback time and reducing pipeline failures.

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Citi Bank

4x

faster deployment cycles

85%

reduction in deployment failures

Product used

Resilience Testing
Feature Management & Experimentation
Continuous Delivery & GitOps

Enterprise Delivery at Scale

Harness handles thousands of services across T-Mobile's 5G infrastructure without slowing engineering teams or requiring custom pipeline tooling.

Built-In Compliance Controls

Pipeline governance and automated audit trails help T-Mobile meet FCC compliance requirements and zero-trust architecture mandates without blocking release velocity.

Faster Release Cycles

Automated deployment workflows replace the GitLab pipeline toil slowing T-Mobile's SDLC, cutting release cycle time and removing manual release bottlenecks.

Developer Onboarding, Accelerated

Harness's IDP standardizes platform access and eliminates the months-long onboarding bottleneck that T-Mobile's developer productivity teams need to solve at scale.

Harness AI Orchestration

Harness integrates with T-Mobile's existing GitLab pipelines, ServiceNow ITSM workflows, and GitHub Copilot to create an AI-native delivery layer that reduces toil and accelerates deployment decisions. Harness AI analyzes pipeline failures, recommends fixes, and automates rollbacks — keeping T-Mobile's 5G services live while the engineering team ships faster.

Harness AI combines intelligence and automation to make software delivery faster, safer, and more efficient than ever before. Harness AI consists of a network of intelligent agents that work together to deliver faster, safer, and more automated software delivery. These agents leverage theSoftware Delivery Knowledge Graph, a continuously updated intelligence layer, that brings full context to how your organization delivers software.

Executive Briefing with the CTO

Get a dedicated session with Harness leadership to map T-Mobile's delivery challenges to a platform architecture built for 5G-scale engineering.

Book a Platform Deep Dive

See how Harness unifies CD, GitOps, and IDP for large-scale telecom engineering in a focused 60-minute session.

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Great partners bring great possibility.

Schedule a meeting with the Harness team

Chuck Neiman
Sales Director
chuck@harness.io

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