Mindrift is looking for a Freelance Software Developer (Java) specializing in Quality Assurance to work on AI training projects. You will contribute to improving Generative AI models' capabilities in coding and complex reasoning, helping shape the future of AI development.

What You'll Do

Perform code generation and code review tasks
Conduct prompt evaluation and complex data annotation
Participate in training and evaluation of large language models
Execute benchmarking and agent-based code execution in sandboxed environments
Work across multiple programming languages
Adapt guidelines for new domains and use cases
Follow project-specific rubrics and requirements
Collaborate with project leads, solution engineers, and supply managers on complex or experimental projects

What We're Looking For

Bachelor's or Master's Degree in Computer Science, Software Engineering, or related fields
At least 3 years of professional experience in Java 17+, including streams API and concurrent programming
Advanced (C1) or above level of English proficiency
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
Ready to learn new methods, able to switch between tasks quickly and work with challenging, complex guidelines

Technical Stack

Languages & Core: Java 17+
Testing: JUnit 5, TestNG, Mockito, TestContainers
Build & CI: Maven, Gradle, IntelliJ IDEA, Jenkins, GitHub Actions, GitLab CI
Frameworks: Spring Boot, Spring Data, Spring Security, JPA/Hibernate
Messaging & Architecture: Kafka, RabbitMQ
Cloud & Infrastructure: AWS, Azure, Kubernetes
Profiling: JProfiler, VisualVM

Team & Environment

You will collaborate with project leads, solution engineers, and supply managers on assigned projects.

Benefits & Compensation

Get paid for your expertise, with rates that can go up to $24/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