Freelance Software Developer (Java) - Quality Assurance (AI Trainer)
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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.
Responsibilities
- Code generation and code review
- Prompt evaluation and complex data annotation
- Training and evaluation of large language models
- Benchmarking and agent-based code execution in sandboxed environments
- Working across multiple programming languages
- Adapting guidelines for new domains and use cases
- Following project-specific rubrics and requirements
- Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects
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 that match your technical skills, on your own schedule. From coding and automation to fine-tuning AI outputs, you'll play a key role in advancing AI capabilities and real-world applications.
Requirements
You hold a Bachelor's or Master's Degree in Computer Science, Software Engineering, Software Development, Computer Engineering, Mobile App Development, Cloud Computing, Data Science, Big Data or other related fieldsYou have at least 3 years of professional experience in Java 17+, including streams API and concurrent programmingYour level of English is advanced (C1) or aboveHands-on experience with JUnit 5, TestNG, Mockito, and TestContainersProficiency with build tools (Maven, Gradle), IDEs (IntelliJ IDEA), and CI / CD pipelines (Jenkins, GitHub Actions, GitLab CI)Experience with the Spring ecosystem (Spring Boot, Spring Data, Spring Security), JPA / HibernateStrong understanding of JVM internals, garbage collection, performance optimization, and design patternsExperience with messaging systems (Kafka, RabbitMQ) and microservices architecturesPractical use of AI-assisted tools for refactoring, performance analysis, and test generationFamiliarity with cloud platforms (AWS, Azure), containers, and KubernetesStrong skills in JVM profiling (JProfiler, VisualVM) and debuggingYou are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelinesOur freelance role is fully remote so you just need a laptop, internet connection, time available and enthusiasm to take on a challengeBenefits
Get paid for your expertise, with rates that can go up to $47 / hour depending on your skills, experience, and project needsTake part in a part-time, remote, freelance project that fits around your primary professional or academic commitmentsWork on advanced AI projects and gain valuable experience that enhances your portfolioInfluence how future AI models understand and communicate in your field of expertiseSeniority Level
Mid-Senior level
Employment Type
Part-time
Job Function
Other
Industries
IT Services and IT Consulting
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