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Fix bugs and make improvements to concepts and exercise across Exercism. Help students have a smooth and error-free experience.
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Build out a new exercise or concept based on a track's roadmap. Have fun making interactive content that millions of people will use.
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Test runners power our online editor. All tracks have basic test runners, but many need more advanced features and functionality adding.
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Analyzers give automated feedback to students through ASTs analysis. These are complex and deeply interesting pieces of software to develop.
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Representers help us spot identical solutions so that we can reuse feedback. Simpler than analyzers but fun and interesting to reason about.
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