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Synthires

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Senior Backend Engineer - AI Tasking & Verifiers

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Summary

Synthires is hiring a Senior Backend Engineer in Singapore to craft realistic coding tasks and deterministic verifiers used to evaluate solutions, with no prior AI experience required. Day-to-day work centers on backend development across multiple languages, plus debugging, testing, refactoring, scalable services, and rigorous code review.

Synthires is seeking contributors to craft realistic coding tasks and deterministic verifiers that distinguish valid solutions from incorrect ones. No prior AI experience is required—your software engineering expertise is what matters.

Key activities include debugging, testing, optimizing, and refactoring code, and evaluating solutions with rigorous code review and testing practices. This role emphasizes backend development across multiple languages and scalable services.

What Senior Backend jobs ask for — and how much of it you have →
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