Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Collaborate on AI projects, code generation, and complex data annotation.
- Company: Mindrift connects specialists with innovative AI projects.
- Benefits: Earn up to $44/hour, work remotely, and enhance your portfolio.
- Why this job: Join cutting-edge AI projects and influence future technology.
- Qualifications: 3+ years in Java, advanced English, and strong coding skills.
- Other info: Fully remote role with flexible hours to fit your lifestyle.
Freelance Software Developer (Java) – Quality Assurance (AI Trainer)
Location and Eligibility
Only candidates currently residing in the specified country may apply. Submit your resume in English and indicate your English proficiency level (C1 or above).
About Mindrift
Mindrift 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 worldwide.
About the Role
As an AI Tutor in Coding, you will collaborate on AI projects that address specialized questions and complex reasoning. Typical responsibilities include:
- 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
Requirements
- Bachelor’s or Master’s Degree in Computer Science, Software Engineering, or related field
- At least 3 years of professional experience in Java 17+ (streams API, concurrent programming)
- Advanced English proficiency (C1+)
- Hands‑on experience with JUnit 5, TestNG, Mockito, TestContainers
- Proficiency with Maven, Gradle, IntelliJ IDEA, Jenkins, GitHub Actions, GitLab CI
- Experience with Spring Boot, Spring Data, Spring Security, JPA/Hibernate
- Strong understanding of JVM internals, garbage collection, performance optimisation, design patterns
- Experience with Kafka, RabbitMQ, microservices architectures
- Practical use of AI‑assisted tools for refactoring, performance analysis, test generation
- Familiarity with AWS, Azure, containers, Kubernetes
- Strong skills in JVM profiling (JProfiler, VisualVM) and debugging
- Ready to learn new methods, switch between tasks quickly, and work with challenging guidelines
- Fully remote freelance role; only a laptop, internet connection, and available time required
Benefits
- Pay up to $44/hour depending on skills, experience, and project needs
- Part‑time, remote freelance project that fits around your other commitments
- Advanced AI projects that enhance your portfolio
- Influence future AI model understanding and communication in your domain of expertise
How to Get Started
Apply to this posting, qualify, and contribute to projects that match your technical skills on your own schedule.
Note
Flexibility and quick adaptation to new requirements are essential.
#J-18808-Ljbffr
Freelance Software Developer (Java) - Quality Assurance (AI Trainer) employer: Mindrift
Contact Detail:
Mindrift Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Freelance Software Developer (Java) - Quality Assurance (AI Trainer)
✨Tip Number 1
Network like a pro! Reach out to fellow developers, join online forums, and connect with people in the industry. You never know who might have a lead on your next freelance gig.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those involving Java and AI. This will give potential clients a taste of what you can do and set you apart from the competition.
✨Tip Number 3
Stay active on platforms like GitHub. Contributing to open-source projects not only hones your skills but also gets your name out there. Plus, it’s a great way to demonstrate your coding prowess!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to connect with us directly.
We think you need these skills to ace Freelance Software Developer (Java) - Quality Assurance (AI Trainer)
Some tips for your application 🫡
Tailor Your Resume: Make sure your resume highlights your experience with Java and any relevant projects you've worked on. We want to see how your skills match the role, so don’t be shy about showcasing your achievements!
Show Off Your English Skills: Since we need a C1 level of English, it’s important to mention your proficiency clearly in your application. If you’ve got any certifications or examples of your English use, throw them in there!
Be Specific About Your Experience: When detailing your past roles, focus on your hands-on experience with tools like JUnit, Spring Boot, and any AI-assisted tools you've used. We love specifics, so give us the juicy details!
Apply Through Our Website: To make sure your application gets seen, apply directly through our website. It’s the best way for us to keep track of your application and get back to you quickly!
How to prepare for a job interview at Mindrift
✨Know Your Tech Stack
Make sure you’re well-versed in Java 17+ and the tools mentioned in the job description, like JUnit 5 and Spring Boot. Brush up on your knowledge of JVM internals and performance optimisation techniques, as these will likely come up during technical discussions.
✨Showcase Your Experience
Prepare to discuss specific projects where you've used your skills in coding, code review, and AI training. Be ready to share examples that highlight your problem-solving abilities and how you’ve adapted to new technologies or guidelines in past roles.
✨Practice Your English Proficiency
Since advanced English proficiency is a requirement, practice articulating your thoughts clearly and confidently. Consider doing mock interviews with a friend or using online platforms to enhance your communication skills, especially in a technical context.
✨Emphasise Flexibility and Adaptability
This role requires quick adaptation to new requirements, so be prepared to discuss how you’ve successfully managed changing project needs in the past. Highlight your ability to switch between tasks and learn new methods efficiently.
