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Engineering at Betterment

We're engineering Betterment to become a top-notch fintech company. High quality code. Beautiful, practical design. A product that people love. Nerd out with us on all things tech.

WebValve – The Magic You Need for HTTP Integration

WebValve – The Magic You Need for HTTP Integration

Struggling with HTTP integrations locally? Use WebValve to define HTTP service fakes and toggle between real and fake services in non-production environments.

CI/CD: Standardizing the Interface

CI/CD: Standardizing the Interface

Meet our CI/CD platform, Coach and learn how wee increased consistent adoption of Continuous Integration (CI) across our engineering organization. And why that's important.

CI/CD: Shortening the Feedback Loop

CI/CD: Shortening the Feedback Loop

As we improve and scale our CD platform, shortening the feedback loop with notifications was a small, effective, and important piece.

Recent Articles

Shh… It’s a Secret: Managing Secrets at Betterment

Opinionated secrets management that helps us sleep at night.

How We Develop Design Components in Rails

Learn how we use Rails components to keep our code D.R.Y. (Don’t Repeat Yourself) and to implement UX design changes effectively and uniformly..

Engineering the Launch of a New Brand for Betterment

In 2017, Betterment set out to launch a new brand to better define the voice and feel of our product. After…

A Journey to Truly Safe HTML Rendering

We leverage Rubocop’s OutputSafety check to ensure we’re being diligent about safe HTML rendering, so when we found vulnerabilities, we fixed them.

Building Better Software Faster with Shared Principles

Betterment’s playbook for extending the golden hour of startup innovation at scale.

Supporting Face ID on the iPhone X

We look at how Betterment's mobile engineering team developed Face ID for the latest phones, like iPhone X.

From 1 to N: Distributed Data Processing with Airflow

Betterment has built a highly available data processing platform to power new product features and backend processing needs using Airflow.

A Functional Approach to Penny-Precise Allocation

How we solved the problem allocating a sum of money proportionally across multiple buckets by leaning on functional programming.

How We Built Two-Factor Authentication for Betterment Accounts

Betterment engineers implemented Two-Factor Authentication across all our apps, simplifying and strengthening our authentication code in the process.

How We Engineered Betterment’s Tax-Coordinated Portfolio™

For our latest tax-efficiency feature, Tax-Coordinated Portfolio, Betterment’s solver-based portfolio management system enabled us to manage and test our most complex algorithms.

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