Tech Blog
Explore the world of Bolt products with product stories, management insights, and captivating case studies. Join us on the journey of innovation!

Tracking payments at scale
This article was written by Ammar Chalifah, Senior Finance Data Engineer at Bolt.

Seeing the bigger picture with event storming
Understanding the domain through event-storming sessions is one of the best ways to define your system’s future vision. In this article, I’ll share our experience with this method at Bolt.

Scaling security testing: lessons from launching a public bug bounty at Bolt

Quasi-experiments in ads measurement
This article was written by Anton Bugaev, with contributions from Juan Carlos Medina Serrano and Garret O’Connell. It was supported by the work of Bolt Marketing Technology and Performance Marketing

Mastering incrementality in ads: an introductory guide
This article was written by Anton Bugaev, with contributions from Juan Carlos Medina Serrano and Garret O’Connell. It was supported by the work of Bolt Marketing Technology and Performance Marketing

Managing all the variations of (dbt) metrics
Written by Silja Märdla, Senior Analytics Engineer at Bolt. Semantic layers and metrics will be a big part of how we work with data in the future. We’ve done this

AAAAA Testing: How to make tests AI-friendly
For anyone who develops software, writes code, and eventually writes tests (unit, integration, or component), this article is for you. It doesn’t matter if you’re working on a microservice, a monolith, a frontend app, a mobile client, or a shared library. We’ve all been there: tests that are so complicated they’re harder to read, write, and refactor than the production code they’re meant to validate. If your test suite feels like it’s fighting you, you’ve come to the right place.

How data science is done at Bolt
The structure of the Data Science team at Bolt Our Data Science team at Bolt consists of talented data scientists and machine learning engineers who are the driving force behind

Fraud checkpoints: from overengineering to simplicity — and where flexibility works
Learn how Bolt built a flexible anti-fraud platform powered by real-time checkpoints that detect and stop threats instantly.

Feature leading at Bolt: More than writing code
At Bolt, engineers don’t just implement tickets. They lead features end-to-end. A feature lead owns the plan, coordinates a cross-platform squad, removes blockers, and drives the rollout to make sure the feature is truly done. This post breaks down Bolt’s feature lifecycle, what goes into a strong system design document, how success metrics and analytics are defined, and how we launch safely through controlled rollouts and A/B tests.
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