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Freelance Developer Consultant (Java) - Quality Assurance (AI Tutor)

MindriftWorkFromHome, Limpopo, South Africa

1 day ago

Job description

Overview

Freelance Developer Consultant (Java) - Quality Assurance (AI Tutor) – Johannesburg, Gauteng, South Africa

4 days ago Be among the first 25 applicants

This opportunity is for candidates currently residing in the specified country. The Mindrift platform connects specialists with AI projects from major tech innovators and aims to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.

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

Note : Flexibility and quick adaptation to new requirements are essential.

Requirements

Master’s Degree in Computer Science, Software Engineering, Software Development, Computer Engineering, Mobile App Development, Cloud Computing, Data Science, Big Data or related fields

Bachelor’s degree accepted with 3 years of relevant experience

Advanced English (C1) or above

Setting up ticket forms, triggers, macros, and automation

Proficiency with build tools (Maven, Gradle), IDEs (IntelliJ IDEA), and CI / CD pipelines (Jenkins, GitHub Actions, GitLab CI)

Experience with 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

Practical use of AI-assisted tools for refactoring, performance analysis, and test generation

Familiarity with cloud platforms (AWS, Azure), containers, and Kubernetes

Strong JVM profiling (JProfiler, VisualVM) and debugging skills

Willingness to learn new methods; ability to switch between tasks and work with challenging guidelines

Fully remote freelance role; requires laptop, internet, time, and enthusiasm

Benefits

Pay up to $20 / hour depending on skills and project needs

Part-time, remote freelance work that fits around other commitments

Work on advanced AI projects and gain portfolio value

Influence how future AI models understand and communicate in your field

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Java Developer • WorkFromHome, Limpopo, South Africa

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