Open-source use
NVIDIA
NVIDIA's public Cloud Functions repository is built and tested with Bazel, as documented in its official quickstart and release process.
The evidence-backed Bazel index
The worldbuilds with Bazel
A global directory of companies whose Bazel use is supported by public, reviewable evidence—not hearsay or logo walls.
BUILDING THE INDEX
One public receipt at a time.
146Bazel + vendor profiles
229public citations
19countries represented
$25.9Testimated Bazel-company value
01Scoped claims Match every statement to its source.
02Dated proof Keep historical evidence in context.
03Open receipts Make every citation inspectable.
Verified directory
Companies with receipts.
146 shown · 157 cataloged
Engineer report
Apple
An Apple-domain engineer reported successfully building a large monorepo with Bazel remote execution at 512 concurrent jobs.
Internal use
A scheduled Google Bazel-team talk presents the optional static type-checking work planned for Bazel 10's Starlark interpreter.
Conference talk
SpaceX
SpaceX engineers publicly described using Bazel to build real-time systems at BazelCon 2017.
Conference talk
Tesla
Tesla engineers described using Bazel in the build and evaluation infrastructure supporting Autopilot development at BazelCon 2022.
Hiring signal
Anthropic
Anthropic seeks developer-productivity engineers with experience operating remote build systems such as Bazel REAPI, BuildBarn, or BuildBuddy.
Conference talk
OpenAI
A scheduled OpenAI case study says Bazel and BuildBarn underpin feedback for the company's large-scale agentic software-development workflows.
Open-source use
AMD
AMD's public ROCm hrx-system project added a Bazel build for libhrx in May 2026 and continued to publish Bazel configuration in August 2026.
Internal use
ASML
ASML Netherlands publishes rules_variant, a company-owned Bazel meta-ruleset whose continuous-integration workflow runs its tests with Bazel.
Conference talk
Intel
An Intel engineer described extending Bazel's sandbox while migrating a 20-year-old codebase to Bazel.
Contribution
Cisco
A Cisco engineer contributed a Bazel change preserving empty configuration declarations in bazelrc files.
Hiring signal
Morgan Stanley
Morgan Stanley described migrating its Fixed Income analytics builds from Premake to Bazel with remote compilation and caching.
Open-source use
Goldman Sachs
Goldman Sachs introduced Bazel as the build system for its open-source crdtools Java project.
Contribution
Arm
A Bazel commit authored from the arm.com corporate domain publicly links Arm engineering identity to an upstream contribution.
Contribution
Arista Networks
An Arista engineer contributed a Bazel fix allowing a hermetic sandbox-debug command to be run repeatedly.
Engineer report
Alibaba
An Alibaba-domain engineer reported moving from an internal test framework to bazel test and benchmarking 236 tests.
Contribution
IBM
A Bazel commit authored from the ibm.com corporate domain publicly links IBM engineering identity to an upstream contribution.
Engineer report
Broadcom
A Broadcom engineer co-presented Bazel supply-chain tooling for software provenance and composition at BazelCon 2025.
Internal use
Qualcomm
Qualcomm Innovation Center reports migrating its Android kernel and external-module build processes from Make-based scripts to Bazel and Kleaf.
Conference talk
Salesforce
A Salesforce engineer described automated third-party dependency management across the company's Bazel monorepos at BazelCon 2025.
Internal use
Uber
A scheduled Uber talk presents Tango, an open-source service that accelerates affected-target analysis by avoiding repeated Bazel queries in large monorepos.
Internal use
Stripe
A Stripe engineer described Bazel infrastructure that built more than a thousand company container images at BazelCon 2024.
Engineer report
Capital One
A former Capital One iOS platform leader says he drove the organization's migration to Bazel, cutting builds by 50 percent.
Internal use
Databricks
A Databricks engineer described using Bazel and remote-execution metadata to operate build infrastructure processing roughly a billion actions daily.
Engineer report
Snowflake
A scheduled Snowflake talk describes its completed Bazel migration, remote-execution infrastructure, and build costs from parallel agentic development.
Conference talk
Adobe
A scheduled Adobe talk describes a sealed Bazel platform governing builds, dependencies, remote execution, caching, and supply-chain policy across 10,000 services.
Conference talk
Airbnb
An Airbnb engineer described migrating the company's multi-million-line web monorepo to Bazel at BazelCon 2024.
Contribution
Cloudflare
A Bazel commit authored from the cloudflare.com corporate domain publicly links Cloudflare engineering identity to an upstream contribution.
Open-source use
AppLovin
AppLovin's public AxonCache project added a Bazel build in October 2025 and continued to publish a Bazel module in August 2026.
Internal use
Spotify
A Spotify engineer described completing the migration of 1.1 million lines of shared client C++ from CMake to Bazel at BazelCon 2025.
Internal use
DoorDash
In December 2024, DoorDash said it was adopting Bazel as its default build system for non-Kotlin languages.
Hiring signal
Datadog
Datadog says Bazel underpins a backend monorepo used by roughly 1,500 developers across millions of lines and millions of targets.
Engineer report
VMware
A VMware RabbitMQ engineer described adopting Bazel after consolidating roughly 30 repositories at BazelCon 2023.
Conference talk
Robinhood
A Robinhood engineer described developers using Bazel day-to-day to build the company's Legend product at BazelCon 2025.
Internal use
Revolut
Revolut reported that an iOS Bazel experiment reduced builds from 4.2 to 2.64 minutes and prompted a migration from Xcode builds.
Conference talk
BMW Group
BMW engineers described using Bazel for autonomous-driving software and large-scale continuous integration at BazelCon 2023.
Engineer report
Block
A Square-domain engineer reported that multiple repositories relied on Bazel, remote execution, and disk-cache filtering in 2023.
Engineer report
NetApp
NetApp documented using Bazel 5 to build an AVX, AVX2, and FMA-optimized TensorFlow package in an Apache Spark validation environment.
Internal use
Canva
A scheduled Canva talk says its TypeScript monorepo runs roughly 18,000 Jest suites through Bazel and remote execution millions of times daily.
Contribution
Atlassian
A Bazel commit authored from the atlassian.com corporate domain publicly links Atlassian engineering identity to an upstream contribution.
Conference talk
A.P. Moller–Maersk
A Maersk software engineer co-presented a Bazel blueprint for hermetic Go and WebAssembly web applications at BazelCon 2025.
Conference talk
MongoDB
MongoDB's public database source repository uses Bazel dependencies and repository-local Bzlmod extensions.
Engineer report
Ericsson
An Ericsson-domain engineer described using Bazel profiling data to analyze cumulative use of specific build tools.
Engineer report
X Corp.
A Twitter engineer described migrating the company's 20-million-line monorepo from Pants to Bazel at BazelCon 2020.
Internal use
Reddit documented running its Bazel-based iOS CI from Linux agents with Apple actions executed remotely on macOS workers.
Conference talk
Slack
A BazelCon 2022 talk presented Slack's iOS migration to Bazel and lessons from its adoption.
Internal use
In its 2026-08-10 source snapshot, the Bazel project listed LinkedIn as using Bazel to build its iOS applications.
Engineer report
Roku
A Roku engineer reported that their team uses a Bazel CLI aspect with validation actions for Python syntax checking and linting.
Hiring signal
Citadel Securities
Citadel Securities is hiring a platform-infrastructure engineer to improve firmwide software-delivery workflows that include Bazel.
Open-source use
Perplexity
Perplexity publishes and maintains gazelle_py, a company-owned Bazel and Gazelle extension for generating Python BUILD files.
Open-source use
ClickHouse
ClickHouse publishes company-owned open-source Bazel packaging for its clickhouse-cpp C++ client through BCR.
Conference talk
Epic Games
A scheduled Epic Games talk describes a proof of concept backing Bazel remote caching and execution with the company's Lore content-addressed VCS.
Open-source use
CACI International
CACI International publishes portable_cc_toolchain, company-owned open-source Bazel tooling for portable C and C++ toolchains.
Engineer report
Grab
A Grab engineer described automating the company's Android application migration from Gradle to Bazel at BazelCon 2020.
Internal use
Aurora Innovation
Aurora engineers reported using Bazel with Buildfarm remote execution in the company's autonomous-vehicle CI/CD system for years.
Engineer report
A Pinterest engineer presented the company's journey to a Bazel monorepo at BazelCon 2020.
Hiring signal
Instacart
A July 2026 Instacart posting described Bazel as its build system, supporting thousands of daily builds with remote execution and caching.
Internal use
Compass
Bazel's official users directory listed Compass among companies known to use Bazel.
Engineer report
Etsy
An Etsy engineer described the company's first 100,000 Bazel builds and its migration from Gradle at BazelCon 2019.
Engineer report
Snap
A public Bazel issue exposed an internal Snapchat Android repository being built with Bazel 0.29.1.
Internal use
Flexport
In its 2026-08-10 source snapshot, the Bazel project described Flexport using Bazel for services, client libraries, and protobuf code generation.
Internal use
Plaid
Plaid engineers reported migrating more than 150 Go services to per-service container images built with Bazel.
Engineer report
Dropbox
A Dropbox build-toolchains lead described the company's Bazel monorepo and multi-region remote-execution infrastructure at BazelCon 2025.
Engineer report
Zipline
A Zipline engineer described the company's production Rust and Bazel dependency workflow at BazelCon 2025.
Engineer report
GitHub
A GitHub engineer documented a Bazel HTTP remote-cache configuration used by the semmle-code build in GitHub Actions.
Engineer report
10x Genomics
A 10x Genomics engineer described the Bazel rules used across the company's monorepo, tests, and production at BazelCon 2024.
Conference talk
Glean
A Glean engineer described operating the company's Bazel CI on spot instances, including remote-execution workers, at BazelCon 2025.
Engineer report
Lyft
A Lyft engineer described using Bazel to build Rust for the company's mobile platforms at BazelCon 2022.
Contribution
Nuro
A Bazel commit authored from the nuro.ai corporate domain publicly links Nuro engineering identity to an upstream contribution.
Hiring signal
Physical Intelligence
An April 2026 Physical Intelligence role said its build-and-release engineer would own and evolve Bazel-based build and test infrastructure.
Internal use
Faire
In May 2026, a Cursor customer story reported that Faire managed internal package dependencies across its backend and frontend repositories through Gradle and Bazel.
Conference talk
Brex
A Brex infrastructure engineer presented a Gradle-backed resolver for rules_jvm_external at BazelCon 2025.
Open-source use
Modular
Modular publishes rules_mojo, company-owned open-source Bazel tooling for building software written in the Mojo programming language.
Open-source use
Chainguard
Chainguard publishes rules_apko, company-owned open-source Bazel tooling for building container images with apko.
Engineer report
Wix
A Wix engineer presented lessons from moving the company's CI system to Bazel at BazelCon 2019.
Engineer report
CarGurus
A CarGurus engineer described rolling Bazel out across a quickly scaling organization at BazelCon 2020.
Internal use
Improbable
Bazel's official users directory listed Improbable among companies known to use Bazel.
Internal use
Lucid Software
Lucid Software publicly stated that it uses Bazel for millions of lines of Scala and TypeScript and described migration benefits.
Hiring signal
Poolside
A current Poolside infrastructure role seeks hands-on Bazel experience writing and maintaining rules, macros, and toolchains.
Hiring signal
GRAIL
An August 2026 GRAIL posting said its DevOps and Platform Engineering organization operates a Bazel-based monorepo.
Engineer report
Astranis
An Astranis ground-software engineer reported that the company successfully used Bazel for the C++ portions of its monorepo.
Open-source use
Sourcegraph
Sourcegraph's public monorepo snapshot contained a top-level Bazel workspace and build definitions.
Engineer report
Asana
An Asana engineer publicly described Asana's use of Bazel for its TypeScript frontend at BazelCon 2017.
Internal use
Tink
In its 2026-08-10 source snapshot, the Bazel project described the European fintech Tink using Bazel for backend services in a polyglot monorepo.
Contribution
Fullstory
A Bazel commit authored from the fullstory.com corporate domain publicly links Fullstory engineering identity to an upstream contribution.
Conference talk
Bedrock Robotics
A Bedrock Robotics engineer described the company's Bazel workflow for multi-platform embedded C++ and sanitizer builds.
Internal use
Redfin
In its 2026-08-10 source snapshot, the Bazel project described Redfin using Bazel to build and deploy its website and backend services.
Hiring signal
Zoox
Zoox says its engineers use a Bazel-based, multi-language monorepo with a remote build farm and cache.
Hiring signal
Fractile
A July 2026 Fractile role said its Bazel monorepo powers work spanning ML models, kernel drivers, and hardware simulation.
Hiring signal
Nominal
A July 2026 Nominal role described Bazel as the highest priority for maintaining and optimizing its large-scale build systems.
Internal use
Augment Code
Bazel's official users directory listed Augment Code among companies known to use Bazel.
Internal use
Tokopedia
In its 2026-08-10 source snapshot, the Bazel project described Tokopedia using Bazel and remote caching to substantially shorten iOS builds.
Hiring signal
1X
A July 2026 on-site San Carlos role sought CI/CD experience with a broad tool set that included Bazel and Buck2.
Internal use
Braintree
In its 2026-08-10 source snapshot, the Bazel project described Braintree using Bazel for parts of its internal build after a Gradle migration.
Hiring signal
Glydways
A July 2026 Glydways role said its Developer Platform team maintains and improves the company's Bazel build system.
Internal use
Vistar Media
Bazel's official users directory says Vistar Media used Bazel for builds, deployments, testing, and polyglot repository consolidation.
Internal use
Foursquare
Foursquare publicly described completing a Pants-to-Bazel migration spanning millions of lines of Scala and Python.
Internal use
Zenly
Bazel's official users directory includes the former Zenly company under its companies-using-Bazel section.
Engineer report
SoundCloud
A SoundCloud engineer reported using Bazel's rules_img with Testcontainers to run integration tests involving remote container images.
Conference talk
Booking.com
A Booking.com engineer described modernizing the company's 20-year-old Perl codebase with Bazel, Buildbarn remote execution, and BuildBuddy build telemetry.
Internal use
Acqio
The Bazel project described Acqio using Bazel with Kubernetes across multiple monorepos for microservice delivery.
Internal use
amo
amo says its shared monorepo uses Bazel for modular iOS and web builds, cross-language code sharing, and reproducible CI.
Internal use
Ascend.io
Bazel's official users directory listed Ascend.io among companies known to use Bazel.
Vendor product
Aspect Build
Aspect Build uses Bazel to build and package the release artifacts for its open-source Aspect CLI product.
Internal use
Beeswax
Bazel's official users directory says Beeswax used Bazel to power its Jenkins-based continuous-integration and deployment framework.
Open-source use
BenchSci
BenchSci publishes rules_nodejs_gazelle, company-owned open-source Bazel and Gazelle tooling for Node.js BUILD-file generation.
Open-source use
Buf
Buf publishes and maintains rules_buf, company-owned open-source Bazel tooling for integrating Buf and Protobuf workflows.
Vendor product
BuildBuddy
BuildBuddy uses Bazel to build, test, lint, benchmark, and check determinism in its own open-source product codebase.
Open-source use
CodSpeed
CodSpeed publishes company-owned open-source Bazel packaging for codspeed-cpp through the codspeed_core and benchmark-compatibility modules.
Internal use
Dataform
Bazel's official users directory says Dataform maintained packages and documentation in a Bazel monorepo with remote caching.
Internal use
Deep Silver FISHLABS
The Bazel project described Deep Silver FISHLABS using Bazel for internal build tooling and 3D asset workflows.
Internal use
Engel & Völkers
The Bazel project recorded Engel & Völkers applying Bazel to an internal software project and reporting substantially shorter builds.
Vendor product
EngFlow
EngFlow uses Bazel to build and test its open-source authentication CLI across Linux, macOS, and Windows.
Internal use
Evertz.io
The Bazel project described Evertz.io building and deploying its website with an Angular and Bazel workflow.
Internal use
FINDMINE
The Bazel project described FINDMINE using Bazel across its Python package build, test, and deployment workflow.
Engineer report
Four Growers
A Four Growers engineer describes a company use case blocked by missing symbols in the Bazel-built open62541 module and contributes the required fix.
Open-source use
Fremtind
Fremtind publishes rules_vitest, company-owned open-source Bazel tooling for running Vitest-based JavaScript and TypeScript tests.
Internal use
GermanTechJobs
Bazel's official users directory listed GermanTechJobs and recorded a substantial workflow improvement attributed to Bazel.
Internal use
Huawei
In its 2026-08-10 source snapshot, the Bazel project said Huawei Technologies used Bazel in about 30 Java, Scala, and Go projects.
Internal use
IMC Trading
In its 2026-08-10 source snapshot, the Bazel project said IMC Trading used Bazel to continuously build and test projects in four languages.
Internal use
Interaxon
Bazel's official users directory listed Interaxon among companies known to use Bazel.
Open-source use
JetBrains
JetBrains is migrating the open-source IntelliJ IDEA and IntelliJ Platform codebase to Bazel.
Internal use
Jupiter
The Bazel project described Jupiter using Bazel and remote caching for backend protocol-buffer and Kotlin builds.
Internal use
Just
The Bazel project described Just building its application stack with Bazel.
Internal use
LINE
In its 2026-08-10 source snapshot, the Bazel project described LINE using Bazel for its mixed Swift, C++, C, and Objective-C codebase.
Internal use
LingoChamp
The Bazel project described LingoChamp using Bazel for projects written in Go, Java, and Python.
Open-source use
Mayhem
ForAllSecure publishes rules_mayhem, company-owned open-source Bazel tooling for integrating Mayhem security testing.
Contribution
Meetup
Bazel's official users directory identifies Meetup engineering contributions to three public Bazel rules projects.
Vendor product
NativeLink
NativeLink offers a remote build cache and execution platform compatible with Bazel and other Remote Execution API clients.
Internal use
Peloton Technology
The Bazel project historically described Peloton Technology using Bazel for reliable automotive safety-system builds.
Internal use
PubRef
The Bazel project historically described PubRef using Bazel across its scientific publishing frontend and backend services.
Internal use
Ritual
The Bazel project described Ritual using Bazel for backend services.
Hiring signal
Rivian and Volkswagen Group Technologies
A May 2026 hybrid Berlin role said the joint venture would design and manage a build system using Bazel and Yocto.
Hiring signal
Roofline AI
A current Roofline AI role says its Bazel-based build system powers the company's machine-learning compiler platform.
Hiring signal
Saildrone
A February 2026 Saildrone role described its large polyglot monorepo as Bazel-based and named remote caching and remote execution.
Open-source use
Stack Build
Stack Build publishes and maintains rules_proto, company-owned open-source Bazel tooling for Protocol Buffer compilation workflows.
Hiring signal
Super
An August 2026 Super release-platform role listed Bazel, monorepos, remote caching, and hermetic builds as relevant experience.
Engineer report
Tinder
Tinder engineers described target-aware Bazel CI for the company's 1.5-million-line codebase at BazelCon 2025.
Internal use
Trunk.io
Bazel's official users directory states that Trunk's internal monorepo builds C++20 and TypeScript using Bazel graph knowledge.
Vendor product
Tweag
Tweag offers commercial Bazel readiness, migration, tuning, training, and upstream-development services.
Conference talk
Two Sigma
A Two Sigma engineer presented company-affiliated work on improving Bazel build performance at BazelCon 2018.
Internal use
TypeDB
Bazel's official users directory says TypeDB uses Bazel for a multilingual, multiplatform continuous-integration and distribution pipeline.
Internal use
Waabi
A Waabi engineer says his workplace uses Bazel repository caching for large S3-hosted artifacts such as toolchains and created rules_s5 for that workflow.
Conference talk
Woven by Toyota
A Woven by Toyota engineer described evaluating Bazel compilation-database approaches and the solution the team selected.
Hiring signal
Xona
A July 2026 Xona build-and-release role said its satellite-software build systems use tools including CMake and Bazel.
Open-source use
ZML
ZML's public inference-stack repository says Bazel builds ZML and its dependencies and provides Bazel commands for examples and tests.