Judge0

When we first began exploring the domain of code preference, the vision was straightforward: present developers with two different approaches to solving the same problem and determine which implementation was superior. The goal seemed simple enough: evalu

Technical hiring often fails at the screening stage, not because teams lack applicants, but because they lack a consistent, reliable way to evaluate actual coding ability. Unstructured tests, inconsistent evaluation environments, and manual reviews create

Why Code Execution Matters for Leo At Leo (https://leo-code.dev), we are excited to have partnered with Judge0 to enable fast, secure, and reliable code execution for hundreds of mock coding interviews conducted on our platform. At Leo, we are focused on

Background In order to succeed in technical interviews, candidates had to be skilled in data structures and algorithms and demonstrate that knowledge in multiple rounds. This type of skill could be honed by doing many LeetCode problems. Since the past dec

A faster, fairer way to evaluate engineering talent-powered by realistic challenges and a rock-solid code execution engine. The problem with most tech hiring Most assessments either over-index on trivia or mimic a whiteboard interview from 2012. Candidate

From July to September 2025, I worked as a Software Engineering Intern at Judge0. During this period, my fellow intern Dominik and I gained experience rare to encounter in most IT companies. We were exposed not only to hands-on technical work but to the f

AI agents enable new workflow orchestration patterns. With the release of Kestra 1.0, teams can now run autonomous AI tasks that combine large language models (LLMs), memory, and external tools to dynamically decide which steps to take to accomplish a giv

In the summer of 2025, I worked as a software engineering intern at Judge0. During this time, I worked on the redesign and implementation of the new landing page and the creation of a custom blog system. In this article I want to reflect on the time spent

Welcome everyone! Today, on September 17, we're excited to officially launch this space where we'll share everything happening across the Judge0 ecosystem. What to Expect News & Updates - Get the latest information about releases, features and announcemen