Wealthfront Eng

Modernizing testing infrastructure isn't just about speed, it’s about reliability. Learn how we swapped HSQLDB for MariaDB in our development server to ensure our tests actually mirror our production environment eng.wealthfront.com/2026/03/26/how…

Investing in tooling to improve app reliability and developer experience is core to our engineering culture. Learn how adopting XcodeGen reduced merge conflicts and improved code reviews, while laying the structural foundation for modularizing our iOS app. eng.wealthfront.com/2026/03/02/xco…

Our engineering principles aren't abstract concepts. They are a core part of how we operate every single day. Check out two of our recently hired engineering managers sharing their experience living these values as soon as they started onboarding. eng.wealthfront.com/2026/02/12/new…

When we recently discovered our portfolio balance calculation was spending most of its time querying the database, a deep dive revealed a classic N+1 query problem disguised by our old Hibernate entity patterns. Learn how a rewrite led to a 10x speedup. eng.wealthfront.com/2025/12/08/the…

Learn how the Android team at Wealthfront uses meta testing to help maintain a high bar for test quality eng.wealthfront.com/2025/11/20/sea…

At Wealthfront, it's critical that inputs to our automated investing system are up-to-date and appropriate for use in production. Read our latest engineering blog post to learn about how we built a system to alert on the lifecycle of our compile-time data! eng.wealthfront.com/2025/11/03/val…

Automation, testing, and engineer experience are foundational to the engineering culture at Wealthfront. Read our latest blog post to see how our CI/CD pipelines for containers reflect that cultural identity! eng.wealthfront.com/2025/10/08/shi…

Keeping our Android SDK up to date is critical for user privacy and security.  Learn more about how we did this for SDK 35, and added a new UI feature along the way! eng.wealthfront.com/2025/09/09/goi…

Giving interns full ownership of projects is a core part of our culture. Learn how a recent backend engineering intern led the development of a new feature, taking it from an idea to completion. eng.wealthfront.com/2025/08/20/how…

We cut our end-to-end test times on Android by nearly 30% - and reduced flakiness too! Learn how Wealthfront’s novel test filtering approach made our builds faster and more reliable. eng.wealthfront.com/2025/07/14/spe…

Our AWS Lambda rollbacks used to take minutes—now they happen in seconds! Learn how we sped up and standardized lambda deployments to create a smoother experience for our engineers. eng.wealthfront.com/2025/06/23/how…

How do you test an investing system that constantly evolves? At Wealthfront, we built H2, our historical and hypothetical testing framework. Learn how it helps keep our automated investing decisions consistent. eng.wealthfront.com/2025/04/30/h2-…

Building reliable data pipelines starts with testable SQL! Learn how we built a scalable SQL testing library for Athena, tackled key challenges, and made debugging easier for developers eng.wealthfront.com/2025/04/07/our… #DataEngineering #SQLTesting #Athena

We recently improved our iOS E2E times by over 50% with a small, targeted change. Read more here: eng.wealthfront.com/2025/03/17/how…

When you have terabytes of data to move and not much time, a single rsync call isn't going to cut it. To learn how we improved data transfer speeds to saturate our 10 Gbps AWS Direct Connect, check out our latest blog post! eng.wealthfront.com/2025/01/31/fro…

To help focus on engineer growth, we've been tweaking our performance review process over the last few years. To learn more about how we do performance review and what we've changed, check out our new blog post! eng.wealthfront.com/2024/09/06/how…

Learn how Wealthfront's custom Gradle plugin intelligently filters Android tests based on code changes, slashing test times by 50% and boosting developer productivity without sacrificing code quality! eng.wealthfront.com/2024/08/19/spe…

Check out how Wealthfront improved data fetching patterns on the Web Platform by using a hybrid approach of local and global data fetching with React Query! eng.wealthfront.com/2024/08/01/rev…

Discover how Wealthfront navigated the challenges of monolithic software applications and adopted Monorepo tooling to modernize our web application, streamline development processes, and enhance collaboration. Read the full blog post here: eng.wealthfront.com/2024/02/27/nav…

Curious about Wealthfront's efforts to enhance our transfer experience? Learn from our iOS engineers how we have approached unifying our transfer experience, while improving our transfer infrastructure. eng.wealthfront.com/2023/10/10/uni…