# EngFlow

> EngFlow sells build and test acceleration software and managed infrastructure to engineering teams. Founded by former Google Bazel leaders Helen Altshuler and Ulf Adams, it combines remote execution, shared caching, build observability and migration expertise for large codebases using Bazel, Chromium, AOSP, Buck2 and CMake.

- **Founded:** 2020
- **Headquarters:** Austin, United States
- **Founders:** Helen Altshuler (CEO and co-founder), Ulf Adams (CTO and co-founder)
- **Products:** Remote Execution, Remote Caching, Build and Test UI, CI Runners, Bazel Invocation Analyzer
- **Notable:** Brave case study reports Chromium build execution falling from two hours to 15 minutes., Viasat case study reports builds falling from 24 hours to one hour., Snowflake case study reports nearly 50% lower AWS infrastructure costs and four of five engineers reallocated from RBE upkeep.

## Products & services

- **Remote Execution** — Distributes build and test actions across dedicated clusters; managed or self-managed, cloud or on-premises.
- **Remote Caching** — Reuses build and test outputs across developers and CI rather than repeating unchanged work.
- **Build and Test UI** — Browser interface for searchable invocations, test results, performance investigation and cross-build analytics.
- **CI Runners** — Managed runners integrated with GitHub Actions and Buildkite, with warm Bazel instances and caches.
- **Bazel Invocation Analyzer** — Free open-source profile analysis through a web app or command line; released with the 2022 Series A announcement.
- **CMake RE / Tipi.build by EngFlow** — Remote execution and layered caching for CMake, with HermeticFetchContent for reproducibility and dependency provenance; initial collaboration announced in 2023, public beta in 2025.
- **Accelerated Bazel Migration Toolkit** — Six-week launch covering education, migration design, cluster setup and tuning, followed by tooling and quarterly reviews for the remainder of the year.
- **Bazel for You** — Bazel migration, expert support, upstream improvements and managed build services.
- **any2bazel** — Open-source, agent-assisted tool for migrating existing build descriptions to Bazel, with validation and human review still necessary.

## Achievements

- Brave case study reports Chromium build execution falling from two hours to 15 minutes.
- Viasat case study reports builds falling from 24 hours to one hour.
- Snowflake case study reports nearly 50% lower AWS infrastructure costs and four of five engineers reallocated from RBE upkeep.
- Reported USD 21.7 million across the disclosed seed and Series A rounds.
- Acquired tipi.build in March 2025.
- Reported 3.5 billion build actions per week in August 2026, roughly 14 times the fleet volume fourteen months earlier.

## Latest updates

- **2026-09** — Published a Titus Winters interview on testing and developer infrastructure in the AI era on September 24.
- **2026-09** — Introduced open-source any2bazel for agent-assisted migrations on September 9.
- **2026-08** — Reported a fleet volume of 3.5 billion build actions per week on August 20.
- **2026-08** — Published its production build-analytics development account on August 10.
- **2026-07** — Published Iterable migration results on July 28 and an HTTP/2 build-forensics investigation on July 18.
- **2025-03** — Announced tipi.build acquisition and CMake RE public beta; page dated March 12, release dateline March 13.

## Links

- Website: https://www.engflow.com/
- LinkedIn: https://www.linkedin.com/company/engflow/
- Twitter/X: https://x.com/EngFlow
- GitHub: https://github.com/EngFlow
- YouTube: https://www.youtube.com/@engflow

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Profile page: https://yespress.io/engflow
Published by YesPress — https://yespress.io
Last updated: 2026-10-04