Natalie Marleny is a London-based software engineer and serial founder with eight years of experience building high-performance web and serverless applications. She co-founded serial.dev, a multiplayer browser-based coding sandbox with agent-driven workflows, and Gitlip, a Git + AI coding platform focused on collaboration and one-click deploys. Her background spans leading frontend and platform work at The LEGO Group and early engineering at Indent, with deep expertise in Next.js, serverless AWS architectures, GraphQL, and developer experience. Natalie has also run Shard Systems, delivering Next.js and serverless solutions for clients like Intuit Mailchimp, and contributed meaningful fixes and examples to the widely used Next.js repo. She combines product-minded engineering with an eye for DX and reliability—often tackling build-time edge cases and developer tooling that quietly improve teams’ velocity. Colleagues describe her as a pragmatic problem solver who moves between code, infrastructure, and product strategy with equal fluency.
9 years of coding experience
7 years of employment as a software developer
BA Economics & Politics, BA Economics & Politics at University of Exeter
Foundation Certificate Psychotherapy & Counselling, Foundation Certificate Psychotherapy & Counselling at Regent's University London
Contributions:12 commits, 13 PRs, 14 comments in 7 months
Contributions summary:Natalie primarily contributed to the Next.js framework, focusing on examples and core functionality. They implemented ReasonML and Rematch examples, making server-rendered user lists persist and replicating the shared-modules functionality. They also addressed issues related to error handling within the build process, specifically for non-page files, and implemented tests to validate these fixes. Furthermore, the user addressed warnings for the prefetch attribute.
Contributions:142 commits, 270 pushes, 1 branch in 4 months
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