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Backend Engineering Intern - OCaml

Ahrefs | singapore, Singapore | Posted May 24, 2026

Position Overview

About the Role
To ensure someone can be effectively supported throughout the intern we cn only look to hire an intern in either Singapore or in Europe. You'll work remotely within our Middle-end / Tooling team, focusing on improving the observability of Dune, the OCaml build system. This isn't about cosmetic changes; it's about digging into Dune's core to expose how it builds things, making complex OCaml projects more understandable. Responsibilities
Dive into the Dune codebase, identify areas where the build rules are translated into actions. Implement modifications directly in Dune's source code to expose fine-grained information about builds. Develop and contribute pull requests to the upstream `ocaml/dune` project, working with the maintainers. Experiment with your changes and new tooling on real, large-scale industrial OCaml codebases to validate their usefulness. Collaborate asynchronously with the team. Requirements
Must have:
Solid OCaml programming skills. You need...

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