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Contract Remote Kotlin Developer Jobs (NOW HIRING)

DataAnnotation

Kotlin Developer - AI Trainer

Jackson, MS · On-site +1

$60/hr

Benefits Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New ... Preferred experience in Kotlin. Proficiency in at least one of the following programming languages ...

DataAnnotation

Kotlin Developer - AI Trainer

Nevada, IA · On-site +1

$60/hr

Benefits Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New ... Preferred experience in Kotlin. Proficiency in at least one of the following programming languages ...

DataAnnotation

Kotlin Developer - AI Trainer

Wyoming, OH · On-site +1

$60/hr

Benefits Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New ... Preferred experience in Kotlin. Proficiency in at least one of the following programming languages ...

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How much do contract remote kotlin developer jobs pay per hour?

As of Jun 3, 2026, the average hourly pay for contract remote kotlin developer in the United States is $61.13, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $70.43 per hour, depending on experience, location, and employer.
What cities are hiring for Contract Remote Kotlin Developer jobs? Cities with the most Contract Remote Kotlin Developer job openings:
What are the most commonly searched types of Remote Kotlin Developer jobs? The most popular types of Remote Kotlin Developer jobs are:
What states have the most Contract Remote Kotlin Developer jobs? States with the most job openings for Contract Remote Kotlin Developer jobs include:
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Infographic showing various Contract Remote Kotlin Developer job openings in the United States as of May 2026, with employment types broken down into 2% As Needed, 2% Full Time, 91% Part Time, and 5% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $127,151 per year, or $61.1 per hour.

Kotlin Developer - Fully Remote | Upto $200/hr

Mercor

New York, NY • Remote

$200/hr

Full-time

Posted yesterday

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Expert Software Engineer – Scala / Kotlin / OCaml
Type: Contract
Compensation: $120–200/hour
Location: Remote
Commitment: 20–40 hours/week

Role Responsibilities

  • Evaluate technical tasks in Scala, Kotlin, or OCaml against real-world professional standards.
  • Review intricate code-level situations and provide precise, structured written assessments.
  • Work inside containerized repositories using Docker to run and interpret programmatic and CI-style checks.
  • Provide clear written rationales explaining expert judgments.
  • Complete well-defined, time-bounded tasks with explicit evaluation criteria.

Qualifications

Must-Have

  • 5+ years of professional software engineering in Scala, Kotlin, or OCaml.
  • Comfort working in Docker/CI-based repo environments.
  • Ability to articulate clearly why code is correct or idiomatic in writing.

Preferred

  • Engineers from top product, data, or research engineering backgrounds.

Compensation & Legal

  • Hourly contractor

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.