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Mercor
Remote Expert Software Engineer – Scala / Kotlin / OCaml - AI Trainer ($120-$200 per hour)Mercor • Springfield, Illinois, US
Remote Expert Software Engineer – Scala / Kotlin / OCaml - AI Trainer ($120-$200 per hour)

Remote Expert Software Engineer – Scala / Kotlin / OCaml - AI Trainer ($120-$200 per hour)

Mercor • Springfield, Illinois, US
2 days ago
Job type
  • Full-time
  • Remote
Job description
  • About the Opportunity A leading AI research organization is evaluating how advanced AI systems perform in specialized engineering domains, and is seeking expert software engineers with deep, hands-on experience in Scala, Kotlin, and / or OCaml . You'll apply your expertise to assess complex, real-world technical scenarios — directly shaping how cutting-edge AI performs in these ecosystems. _Single-language specialists are strongly encouraged to apply._ What You'll Do - Apply your language expertise to evaluate technical tasks against real-world professional standards - Review intricate code-level situations and provide precise, structured written assessments - Work inside containerized repositories (Docker), running and interpreting programmatic and CI-style checks to judge whether an engineering environment is sound - Provide clear written rationales explaining your expert judgments - Complete well-defined, time-bounded tasks with explicit evaluation criteria Who We're Looking For We value strong CS fundamentals, fast ramp-up, and high ownership — engineers who can flex across languages are especially valued, and deep single-language specialists are very welcome. The ideal candidate brings : - 5+ years of professional software engineering in one or more of : - _Scala_ — functional / OOP JVM development; distributed systems; Spark, Akka, Cats, or ZIO; data engineering contexts - _Kotlin_ — JVM and Android development; coroutines; modern backend services - _OCaml_ — typed functional programming; compilers, tooling, or formal / systems work - Comfort working in Docker / CI-based repo environments and reading automated checks — or the ability to ramp on these fast - Ability to articulate not just _what_ code does but _why_ it's correct or idiomatic, clearly in writing - _Welcomed : _ engineers from top product, data, or research engineering backgrounds; non-traditional digital footprints are fine — a GitHub profile is not required Why This Work Matters Scala, Kotlin, and OCaml power distributed data systems, modern mobile and backend platforms, and high-assurance software — domains where AI systems still have limited depth. Your assessments directly influence how they learn to operate in them. Engagement Details - Compensation : $120–200 / hour , based on depth and experience - Expected commitment : 20–40 hrs / week - Task flow is variable — work tends to arrive in waves, and there can be a lag between task batches. We're looking for people who stay flexible, including availability on weekends when needed, and who take ownership of keeping the project moving forward - No proprietary tooling required — tasks are completable without employer-provided systems
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Remote Expert Software Engineer – Scala / Kotlin / OCaml - AI Trainer ($120-$200 per hour) • Springfield, Illinois, US

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