Delivery Hero Accelerates Code Quality and Developer Velocity with Gemini Code Assist
Delivery Hero, a global delivery platform operating in 70 countries, improved code review efficiency and developer satisfaction by implementing Gemini Code Assist.
Value Results Summary
Delivery Hero operates a local delivery platform across nearly 70 countries, connecting millions of customers with vendors and delivery partners. The company's engineering teams faced critical bottlenecks in their code review workflows: pull requests were generated and assigned manually, vaguely written documentation created confusion for reviewers, and subtle errors—including null pointers, dangling references, and naming inconsistencies—escaped into production releases. These delays impeded new feature delivery and directly impacted platform reliability and customer experience.
To address these challenges, Delivery Hero adopted Gemini Code Assist from Google Cloud as an early adopter, building on its existing partnership with the platform for data analytics. Following a successful pilot across 20+ repositories, the company executed a full-scale rollout that now spans more than 15,000 GitHub repositories globally. Deployed across Delivery Hero's major global and regional brands, the AI-powered code review tool is used by over 4,000 developers and data scientists. Code Assist automatically generates comprehensive pull request summaries, flags security flaws and edge cases, suggests best practices, and provides contextual AI-generated comments that explain coding decisions. By identifying missing tests and cross-file dependencies early, the solution enables developers to focus their expertise on complex architecture and business logic evaluation rather than routine code issues.
The deployment significantly improved code quality and accelerated development cycles. Code Assist catches stylistic issues, typos, and common errors during initial reviews, reducing technical debt and rework. Pull request authors now engage more collaboratively with AI-generated feedback, fostering a more interactive and transparent review culture across teams. The initiative's success earned Delivery Hero a 2025 Google DORA Award for improving the developer experience, with DORA metrics now tailored to capture weekly performance snapshots. By enabling faster, higher-confidence feature releases and improving platform stability, Code Assist has enhanced both the internal developer experience and the external customer experience for millions of users worldwide.
