Mindrift · 1 day ago
Freelance Software Developer (Java) - Quality Assurance (AI Trainer)
Canada
Part-time
Remote
Mid Level
3+ years expMindrift is a company focused on using collective intelligence to shape the future of AI. They are seeking a Freelance Software Developer specializing in Java to contribute to AI projects, involving code generation, evaluation, and collaboration with project leads.
Computer Software
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
Qualification
Required
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 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
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
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
Company
Mindrift
Welcome to Mindrift — a space where innovation meets opportunity.
501-1000 employees
Funding
Current Stage
Late StageCompany data provided by crunchbase