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- Tasks: Develop and review code, train AI models, and collaborate on innovative projects.
- Company: Join Mindrift, where innovation meets opportunity in shaping the future of AI.
- Benefits: Earn up to $44/hour, work remotely, and gain valuable experience.
- Why this job: Make a real impact on advanced AI projects while fitting work around your schedule.
- Qualifications: Bachelor's or Master's in relevant fields and 3+ years of Java experience required.
- Other info: Fully remote role with flexibility and excellent growth opportunities.
Freelance Software Developer (Java) – Quality Assurance / AI Trainer
1 day ago Be among the first 25 applicants
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:
- 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 fields
- You have at least 3 years of professional experience in Java 17+, including streams API and concurrent programming
- Your level of English is advanced (C1) or above
- Hands‑on experience with JUnit5, 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
- 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 $44/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
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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 attend meetups. You never know who might have the inside scoop on freelance gigs or can refer you to someone looking for your skills.
✨Tip Number 2
Show off your work! Create a portfolio showcasing your projects, especially those involving Java and AI. This gives potential clients a taste of what you can do and helps you stand out from the crowd.
✨Tip Number 3
Tailor your pitch! When reaching out to potential clients, customise your message to highlight how your skills align with their needs. Mention specific projects or experiences that relate to their requirements.
✨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 connecting with talented individuals like you who are ready to take on exciting challenges.
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 tools like JUnit or Spring. We want to see how your skills match up with what we're looking for, so don’t be shy about showcasing your best bits!
Show Off Your English Skills: Since we need advanced English proficiency, it’s a good idea to mention any relevant certifications or experiences that demonstrate your language skills. We’re keen to know you can communicate effectively in our projects!
Be Clear and Concise: When writing your application, keep it straightforward. We appreciate clarity, so avoid jargon unless it’s necessary. Let’s get to the point and show us why you’re the right fit for this freelance role!
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the easiest way for us to review your details and get back to you. Plus, it shows you’re serious about joining our team at Mindrift!
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 are likely to come up during technical discussions.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific examples where you've tackled complex coding challenges or adapted to new requirements. Mindrift values flexibility, so highlight instances where you’ve successfully navigated changing project needs or guidelines.
✨Familiarise Yourself with AI Concepts
Since this role involves training and evaluating large language models, it’s a good idea to brush up on AI fundamentals. Be ready to discuss how you’ve used AI-assisted tools in your previous work, as this will demonstrate your relevance to the position.
✨Practice Your English Proficiency
Given that an advanced level of English is required, practice articulating your thoughts clearly and confidently. You might even want to conduct mock interviews in English to ensure you’re comfortable communicating your ideas effectively.