[Hiring] Software Engineer, Kotlin - AI Training @Alignerr

Alignerr; United States; Remote; USD 100,000 - 125,000; Full time

Job summary

An innovative company is seeking a remote Software Engineer specializing in Kotlin to shape the future of AI. In this role, you will evaluate and train AI to produce clean, efficient Kotlin code for various applications. You'll be part of a dynamic team focused on enhancing AI capabilities, ensuring that models are fine-tuned for optimal performance. This freelance position offers competitive hourly rates and the opportunity to work on cutting-edge technology that impacts industries worldwide. If you're passionate about AI and Kotlin, this is the perfect opportunity to make your mark.

Qualifications

• 3-5 years of experience with Android development or backend services in Kotlin is a plus.
• Fluent in English with excellent technical communication.

Responsibilities

• Review Kotlin code for Android and general-purpose software.
• Provide clear feedback to guide model improvements.

Skills

Kotlin

Android Development

Technical Communication

Education

Bachelor's Degree in Computer Science

Master's or PhD in related field

Job description

May 05, 2025 - Alignerr is hiring a remote Software Engineer, Kotlin - AI Training. Salary: $15 - $150 per hour. Location: USA.

Alignerr.com is a community of subject matter experts from several disciplines who align AI models by creating high-quality data in their field of expertise to build the future of Generative AI. Alignerr is operated by Labelbox. Labelbox is the leading data-centric AI platform for building intelligent applications. Teams looking to capitalize on the latest advances in generative AI and LLMs use the Labelbox platform to inject these systems with the right degree of human supervision and automation. Whether they are building AI products by using LLMs that require human fine-tuning, or applying AI to reduce the time associated with manually-intensive tasks like data labeling or finding business insights, Labelbox enables teams to do so effectively and quickly.

Current Labelbox customers are transforming industries within insurance, retail, manufacturing/robotics, healthcare, and beyond. Our platform is used by Fortune 500 enterprises including Walmart, Procter & Gamble, Genentech, and Adobe, as well as hundreds of leading AI teams. We are backed by leading investors including SoftBank, Andreessen Horowitz, B Capital, Gradient Ventures (Google's AI-focused fund), Databricks Ventures, Snowpoint Ventures and Kleiner Perkins.

About the Role

Shape the future of AI — with Kotlin! As an AI Tutor - Kotlin, you’ll evaluate and train AI to write clean, efficient Kotlin code across Android and general software use cases.

Your Day to Day

• Review Kotlin code for Android and general-purpose software.
• Write idiomatic Kotlin solutions and document your process.
• Provide clear feedback to guide model improvements.
• Highlight edge cases and ambiguities in prompts or outputs.

About You

• Fluent in English with excellent technical communication.
• Expertise in Kotlin: Familiar with coroutines, Android SDK, and modern Kotlin features.
• 3-5 years of experience with Android development or backend services in Kotlin is a plus.
• Bachelor’s degree (or pursuing one) in Computer Science or related field. Master’s or PhD preferred.
• Excited about building the next generation of intelligent tools.

Alignerr strives to ensure pay parity across the organization and discuss compensation transparently. The expected hourly rate range for United States-based candidatesis below. Exact compensation varies based on a variety of factors, including skills and competencies, experience, and geographical location.

Pay Range (rate per hour)

$15—$150 USD

Important Information

This is a freelance position compensated on an hourly basis. Please note that this is not an internship opportunity. Candidates must be authorized to work in their country of residence, and we do not offer sponsorship for this 1099 contract role. International students on a valid visa may be eligible to apply; however, specific circumstances should be discussed with a tax or immigration advisor. We are unable to provide employment documentation at this time. Compensation rates may vary for non-US locations.