Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer)

$80 per hour

Mindrift

Overview This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What We Do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. About The Role GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Coding, you\'ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: Design and maintain automated tests to ensure the quality, performance, and reliability of Kotlin and Android applications. Collaborate with developers to identify, reproduce, and resolve functional, performance, and UI issues across multiple environments. Define and improve quality standards across build pipelines, ensuring smooth CI/CD integrations and release stability. Monitor app behavior in production and use data‑driven insights to guide testing priorities and improvements. Note: Flexibility and quick adaptation to new requirements are essential. How To Get Started Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you\'ll help shape the future of AI while ensuring technology benefits everyone. Requirements Bachelor\'s or Master\'s Degree in Computer Science, Software Engineering, Software Development, Computer Engineering, Information Technology or other related fields. Mid-level proficiency in Swift 5.9+, including SwiftUI, Combine, async/await, and the concurrency model 3+ years of professional iOS/macOS development experience Hands-on experience with testing frameworks (XCTest, Quick/Nimble) and UI automation testing Proficiency with Xcode, Swift Package Manager, and CI/CD tools (Fastlane, GitHub Actions, Xcode Cloud) Experience with App Store deployment and monitoring tools (Crashlytics, Firebase) Strong understanding of architectural patterns (MVVM, Clean Architecture) and performance optimization (ARC, Instruments) Experience integrating AI/ML capabilities (Core ML, Vision, Create ML) Practical use of AI-assisted tools for code generation, refactoring, and test automation Strong skills in crash analysis, memory debugging, and performance profiling Level of English is advanced (C1) or above You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines. Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge Benefits Get paid for your expertise, with rates that can go up to $80/hour depending on your skills, experience, and project needs Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments Work on advanced AI projects and gain valuable experience that enhances your portfolio Influence how future AI models understand and communicate in your field of expertise #J-18808-Ljbffr Mindrift

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer) in New York, NY vacancy
  • $80 per hour

     ...Freelance Software Developer (Ruby) / Quality Assurance (AI Trainer) 3 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This opportunity is only for candidates currently residing in the specified country. Your location... 
    Freelance
    Part time
    Remote work

    Mind Rift

    New York, NY
    4 days ago
  • $55 per hour

     ...A leading AI consultancy is seeking experienced Civil Engineers with Python skills to freelance as AI Trainers. This remote role involves designing and evaluating AI solutions geared towards real-world engineering problems. Candidates should possess strong analytical... 
    Freelance
    Remote work

    Mind Rift

    New York, NY
    2 days ago
  • OpenKrill is seeking an Android Developer for a freelance contract in Hungary. You will design, build, and evolve native Android apps with Kotlin, Jetpack Compose, and MVVM, including Bluetooth...  ...wearable GPS devices and on-device AI features. You’ll collaborate with product... 
    Freelance
    Kotlin
    Remote job
    Contract work

    OpenKrill

    New York, NY
    4 days ago
  •  ...25 applicants Get AI-powered advice on this...  ...Contractor assignment/freelancer (no medical/paid leave...  ...Technology Industries Software Development...  ...Physics Expert - AI Trainer (Ph.Ds or Postdocs)...  ...Freelance Physics Expert - Quality Assurance (AI Trainer) Virtual... 
    Freelance
    Full time
    Contract work
    For contractors
    Summer work
    Remote work

    Turing

    New York, NY
    4 hours ago
  • iOS Developer (Freelance Contract) - Hungary Contract Length: Until the end of...  ...an iOS Engineer to join our Software team and help design, build,...  ...ll have real scope to bring AI-powered features to life,...  ...familiarity with Android or Kotlin; not essential, but it helps... 
    Freelance
    Kotlin
    Contract work
    For contractors
    Immediate start
    Remote work

    OpenKrill

    New York, NY
    4 days ago
  • $55 per hour

     ...intelligence to ethically shape the future of AI. What We Do The Mindrift platform...  ...judgment and analytical rigor , not drafting or software development. What You’ll Do Design...  ...expertise Fully remote, flexible, part‑time freelance work Contribute to how future AI systems... 
    Freelance
    Part time
    Remote work
    Flexible hours

    Mindrift

    New York, NY
    2 days ago
  •  ...Resource Partner (Arabic) - Freelance AI Trainer Project World Wide - Remote...  ...data to ensure high-quality outputs that are fully natural...  ...provide linguistic QA and develop alignment resources. Expected...  ...cultural context. Quality Assurance & Vetting: Acting as a primary... 
    Freelance
    Hourly pay
    For contractors
    Remote work

    Meridial

    New York, NY
    5 days ago
  •  ...the first 25 applicants Get AI-powered advice on this job...  ...type : Contractor assignment/freelancer (no medical/paid leave)...  ...Information Technology Industries Software Development Referrals...  ...Freelance Mathematics Expert - Quality Assurance (AI Trainer) We’re unlocking community... 
    Freelance
    Remote job
    Contract work
    For contractors

    Turing

    New York, NY
    1 day ago
  •  ...day. We’re Hiring: Android Developer (Kotlin) Your Future Tasks: Develop...  ...features from scratch with high-quality code. Collaborate with...  ...proper testing and quality assurance of the Android application....  ...on world-class practices and AI technologies. We are a licensed... 
    Kotlin
    Work at office
    Remote work
    Relocation package

    Salmon Group

    New York, NY
    2 days ago
  • $6,400 per month

     ...a technical leader for quality across our iOS and Android...  ...deep mobile quality assurance expertise with strong technical...  ...intelligence (AI) and agentic testing workflows...  ...reading or working in Kotlin and/or Swift, with...  ...strong understanding of software development and quality... 
    Kotlin
    For contractors
    Work experience placement
    Flexible hours

    Housecall Pro

    New York, NY
    2 days ago
  • $80 per hour

    A forward-looking tech company is seeking a Freelance Software Developer specializing in Ruby to contribute to innovative AI projects. You will work remotely and apply your advanced programming skills alongside a global team to develop and refine AI models. Candidates... 
    Freelance
    Remote job
    Flexible hours

    Mindrift

    New York, NY
    2 days ago
  •  ...Job Description Founding/Senior Mobile Developer (iOS, Swift, Kotlin) – New York – Hybrid – Opportunity to work for a well-known Series...  ...stack levels, including backend, product, design, and quality assurance \n \n • Create the client side of our measurement system... 
    Kotlin
    Work at office
    Flexible hours

    Orbis Group

    New York, NY
    20 days ago
  •  ...our talented Team.Key ResponsibilitiesDesign, develop, and maintain enterprise‐grade Android applications using Kotlin.Work closely with cross‐functional teams to implement...  ...and technical requirements.Ensure application quality, performance, security, and scalability.Follow... 
    Kotlin

    Ampcus

    New York, NY
    1 day ago
  •  ...NYCategory - RequirementsExperience: 5+ years of professional Android development experienceLanguage: Expert-level proficiency in Kotlin; strong knowledge of JavaArchitecture: Hands-on experience with MVVM, Clean Architecture, or MVI patternsSecurity: Experience implementing... 
    Kotlin

    E-Solutions

    New York, NY
    4 days ago
  • $30k - $120k

     ...frontend and backend engineers, AI research scientists, and...  ...responsible of delivering high quality features Shape the future of...  ...Candidate Should Have 5+ years of software engineering experience...  ...spec Rock solid experience with Kotlin, Kotlin Coroutines, Kotlin Flow... 
    Kotlin
    Work at office
    Night shift

    Speechify

    New York, NY
    5 days ago
  •  ...Front End Developer With (iOS And Android)5+ years' experience in mobile development.Experience developing and maintaining consumer-facing mobile applications at scale. Strong Swift/Kotlin skills & knowledge of multi-threaded, asynchronous code.Good understanding and... 
    Kotlin

    Yochana

    New York, NY
    3 days ago
  • $72k - $184.44k

     ...OpportunityAs an AIT AI Developer Senior Associate, you...  ...be at the forefront of software and product innovation...  ...performance. Within our Assurance practice, you will...  ...and clients, delivering quality work even when the path...  ...programming languages such as Kotlin, Rust, and SwiftUI for... 
    Kotlin
    Full time
    H1b

    PwC

    New York, NY
    4 days ago
  •  ...professional Android development experience. Proficiency with Java or Kotlin. Work with a fast growing team to revolutionize finance at...  ...functionally with Product Designers, Product Managers, Backend Developers, and Data team. Work with Kotlin, Android SDK Jetpack Compose,... 
    Kotlin
    Remote work

    Yantran LLC

    New York, NY
    3 days ago
  • $144.25k - $256.25k

     ...an uninterrupted, high-quality customer experience. Technology...  ....At American Express, AI is reshaping the future...  ...—while also hiring, developing, and managing...  ...projects through the entire software development lifecycle from...  ...such as React, Kotlin, TypeScript, CircleCI,... 
    Kotlin
    Visa sponsorship

    American Express

    New York, NY
    2 days ago
  • $164k - $295k

     ...with the world’s most advanced AI-native platform. We work on...  ...across all of CrowdStrike. Develop and maintain services that meet...  ...source community; evangelize software engineering best practices, especially...  ...language (Go, Java, Scala, Kotlin, Python, Node.js). ~ Expert‑... 
    Kotlin
    Permanent employment
    Work experience placement
    Work at office
    Local area
    2 days per week
    3 days per week
    New York, NY
    7 days ago
  • $250k

     ...code reviews and strong engineering standardsActively incorporate AI tools into your development workflow to move faster and maintain...  ...scale, not just contributing to themStrong, current expertise in Kotlin with the ability to speak concretely to tradeoffs and make architectural... 
    Kotlin

    Polymarket

    New York, NY
    3 days ago
  • $18 per hour

     ...Toloka, we connect smart, curious people from around the world with freelance online tasks that train and improve artificial intelligence. What We Do Toloka connects individuals with Generative AI projects from leading tech innovators. Our mission is to unlock the... 
    Freelance
    Part time
    Remote work

    Toloka Annotators

    New York, NY
    4 days ago
  • $8 - $65 per hour

     ...Meridial is seeking an Arabic (Gulf) Language Expert for a freelance AI trainer project. This remote position allows you to leverage your expertise to influence the next generation of AI. You will verify linguistic accuracy and explore various topics in Gulf Arabic, documenting... 
    Freelance
    Hourly pay
    Remote work

    Meridial

    New York, NY
    3 days ago
  • $164k - $295k

     ...with the world’s most advanced AI-native platform. We work on...  ...across all of CrowdStrike. Develop and maintain services that meet...  ...source community; evangelize software engineering best practices, especially...  ...language (Go, Java, Scala, Kotlin, Python, Node.js). ~ Expert‑... 
    Kotlin
    Permanent employment
    Work experience placement
    Work at office
    Local area
    2 days per week
    3 days per week
    New York, NY
    2 days ago
  •  ...Backend Java Engineer With Kotlin Location: Candidate to go to any Intuit or Persistent office twice a week Intuit offices - (Mountain View / San Diego/ Plano Texas/ Atlanta / New York/ SFO) Persistent offices – (Morrisville, Bellevue, New Jersey, Dublin)... 
    Kotlin
    Contract work
    Work at office

    United IT

    New York, NY
    1 day ago
  •  ...и качество кода, сплочение команды и настройка процессов. Требуется глубокое владение Kotlin и Android-стеком, включая тестирование и архитектурные подходы, а также опыт работы с AI-агентами и UX-улучшениями. Работа удалённая, международная команда, конкурентная компенсация... 
    Kotlin
    Remote job

    Speechify

    New York, NY
    3 days ago
  •  ...hands-on experienceExperience with RxJavaStrong understanding of the Android lifecycle behaviorsUnderstanding and experience with Kotlin Coroutines and KoinA well-rounded understanding of a variety of Android frameworksAn understanding of Android performance optimization... 
    Kotlin

    Omni Inclusive

    New York, NY
    2 days ago
  • $192k - $240k

     ...management, bill pay, and travel software, Brex enables founders and...  ...control spend effortlessly. Brex’s AI-native automation and world-...  .... The Data team at Brex develops infrastructure, statistical models...  ..., Airflow, dbt, CDCFluency in Kotlin or Kotlin like development languages... 
    Kotlin
    Work at office
    3 days per week

    Brex

    New York, NY
    3 days ago
  •  ...основное мобильное приложение Tangem, работать с SDK и участвовать в проектировании новой функциональности. Требуется глубокое знание Kotlin, Jetpack Compose, MVVM/MVI, SOLID и принципов безопасности мобильных приложений. Опыт публикаций в Google Play приветствуется; ваша... 
    Kotlin

    Tangem

    New York, NY
    5 days ago
  •  ...own core product features end-to-end. You’ll write and review code, shape how the team operates, and ensure reliable releases across Kotlin-based Android platforms. We value strong communication, hands-on leadership, and a drive to push Android UI/UX beyond the spec.... 
    Kotlin
    Remote job

    Speechify

    New York, NY
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer). Be the first to apply!