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

Mindrift-posted 2 months ago
Part-time • Entry Level
WI
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At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. 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. 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.

  • 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
  • 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 fields
  • At least 3 years of professional experience in Java 17+, including streams API and concurrent programming
  • Advanced level of English (C1) or above
  • Hands-on experience with JUnit 5, TestNG, Mockito, and TestContainers
  • Proficiency 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/Hibernate
  • Strong understanding of JVM internals, garbage collection, performance optimization, and design patterns
  • Experience with messaging systems (Kafka, RabbitMQ) and microservices architectures
  • Practical use of AI-assisted tools for refactoring, performance analysis, and test generation
  • Familiarity with cloud platforms (AWS, Azure), containers, and Kubernetes
  • Strong skills in JVM profiling (JProfiler, VisualVM) and debugging
  • Ability to learn new methods and switch between tasks and topics quickly
  • Get paid for your expertise, with rates that can go up to $55/hour depending on your skills, experience, and project needs
  • 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
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