Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer)
$80 per hourMindrift
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
$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...FreelancePart timeRemote work$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...FreelanceRemote work- 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...FreelanceKotlinRemote jobContract work
- ...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...FreelanceFull timeContract workFor contractorsSummer workRemote work
- 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...FreelanceKotlinContract workFor contractorsImmediate startRemote work
$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...FreelancePart timeRemote workFlexible hours- ...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...FreelanceHourly payFor contractorsRemote work
- ...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...FreelanceRemote jobContract workFor contractors
- ...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...KotlinWork at officeRemote workRelocation package
$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...KotlinFor contractorsWork experience placementFlexible hours$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...FreelanceRemote jobFlexible hours- ...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...KotlinWork at officeFlexible hours
- ...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
- ...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
$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...KotlinWork at officeNight shift- ...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
$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...KotlinFull timeH1b- ...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,...KotlinRemote work
$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,...KotlinVisa sponsorship$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‑...KotlinPermanent employmentWork experience placementWork at officeLocal area2 days per week3 days per week$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$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...FreelancePart timeRemote work$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...FreelanceHourly payRemote work$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‑...KotlinPermanent employmentWork experience placementWork at officeLocal area2 days per week3 days per week- ...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)...KotlinContract workWork at office
- ...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...KotlinRemote job
- ...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
$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...KotlinWork at office3 days per week- ...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
- ...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....KotlinRemote job
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!
- software development engineer aws New York, NY
- federal - software developer New York, NY
- software engineer contract New York, NY
- part time software developer remote New York, NY
- software developer New York, NY
- software developer apprenticeship New York, NY
- software engineer internship remote New York, NY
- software engineer mainframe New York, NY
- software engineer amazon New York, NY
- software web developer New York, NY





