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Freelance jobs in South Africa

Freelance AI / ML Penetration Tester

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
Today
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Freelance Data Annotator – AI Trainer

Mindrift

South Africa
Remote
ZAR 200,000 - 300,000
Today
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Freelance Physics QA (with Python) - AI Trainer

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
Yesterday
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Freelance Opmeetexpert regio Utrecht - NEDERLAND

Maatkasten Online

eMadlangeni Local Municipality
On-site
ZAR 200,000 - 300,000
Yesterday
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Freelance DTP Artist (On-site, Bryanston) • Rate: R52,200 per month (pro rata) • ASAP until ear[...]

No Sweat

Johannesburg
On-site
ZAR 200,000 - 300,000
2 days ago
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Freelance Automotive/Mechanical Engineering - QA / AI Trainer

Mindrift

Johannesburg
Remote
ZAR 300,000 - 400,000
2 days ago
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Freelance Junior Linguist - AI Trainer

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
2 days ago
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Freelance Marketing Specialist

Risk Group

Umhlanga Rocks
On-site
ZAR 200,000 - 300,000
2 days ago
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Freelance Electrical Engineer Consultant - AI Trainer

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
2 days ago
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Freelance Video Editor

Monate Casting Directors

Cape Town
On-site
ZAR 200,000 - 300,000
2 days ago
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Freelance Chemistry Expert - Quality Assurance (AI Trainer)

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
2 days ago
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Freelance Recruiter (Remote / Global)

The Construction Index Ltd

East London
Remote
ZAR 200,000 - 300,000
2 days ago
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Freelance Accounting Consultant - AI Trainer

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
2 days ago
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Freelance Traffic Manager

Sherbet Agency

Johannesburg
On-site
ZAR 300,000 - 400,000
2 days ago
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Freelance Architect – Building And Construction Environment

Jobs 4 All

Pretoria
Hybrid
ZAR 500,000 - 700,000
3 days ago
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AI Subject Matter Experts (Freelance / Remote)

Udacity

South Africa
Remote
ZAR 300,000 - 400,000
7 days ago
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Freelance Copy Editor – Work from Anywhere

Mashreq Bank

South Africa
Remote
ZAR 200,000 - 300,000
8 days ago

Freelance Editorial Assistant - AI Trainer

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
8 days ago

Freelance English Writer - AI Trainer

Mindrift

Johannesburg
Remote
ZAR 200,000 - 300,000
10 days ago

Freelance Recruiter (Remote / Global)

The Construction Index Ltd

Durban
Remote
ZAR 200,000 - 300,000
11 days ago

Procurement & Tender Analyst (freelance)

theHRchapter

Cape Town
Remote
ZAR 200,000 - 300,000
11 days ago

Freelance Recruiter (Remote / Global)

The Construction Index Ltd

Pretoria
Remote
ZAR 200,000 - 300,000
11 days ago

Freelance Global Outplacement Coach

Career.io

Wes-Kaap
Hybrid
ZAR 200,000 - 300,000
13 days ago

Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer)

Mindrift

Johannesburg
On-site
ZAR 300,000 - 400,000
13 days ago

Freelance Global Outplacement Coach

Careerminds

Wes-Kaap
Hybrid
ZAR 200,000 - 300,000
13 days ago

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Freelance AI / ML Penetration Tester
Mindrift
Johannesburg
Remote
ZAR 200 000 - 300 000
Part time
Yesterday
Be an early applicant

Job summary

A forward-thinking AI company in South Africa seeks an AI Tutor in Coding to evaluate and improve AI models. Candidates must have a degree in Computer Science and be proficient in scripting languages. The role is fully remote, offering competitive rates up to $20/hour, allowing flexibility around your primary commitments.

Benefits

Competitive pay up to $20/hour
Flexible freelance schedule
Opportunity to work on advanced AI projects

Qualifications

  • Hold a Bachelor's or Master’s Degree in Computer Science or related fields.
  • Advanced English proficiency required.
  • Experience in scripting and automation essential.

Responsibilities

  • Evaluate and red team AI models for vulnerabilities.
  • Create test cases to evaluate AI safety.
  • Develop automation scripts and tools.

Skills

Scripting and automation using Python
Advanced (C1) English proficiency
Containerization and CI/CD security tools
Penetration testing
Knowledge of AI vulnerabilities
Red-teaming frameworks
Offensive exploitation
Reverse engineering
Network and application security
Secure coding practices
Adaptability to new methods

Education

Bachelor's or Master’s Degree in Computer Science or related field

Tools

Docker
Ghidra
Job description

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 :
  • Evaluate and red team AI models and agents and machine learning systems for vulnerabilities and safety risks.
  • Create offline reproducible & auto-evaluable test cases to test safety & capability of AI agents .
  • Develop and implement automation scripts, custom tools, environments and test harnesses.
  • Lead or contribute to security research initiatives , especially in AI safety, creating and implementing realistic and challenging attack scenarios for the model.
  • Advise on cybersecurity best practices and policy implications.
How to get started

Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you’ll help shape the future of AI while ensuring technology benefits everyone.

Requirements
  • You hold a Bachelor's or Master’s Degree in Computer Science, Software Engineering, Cybersecurity, Digital Forensics or other related fields.
  • Your level of English is advanced (C1) or above.
  • Proficient in scripting and automation using Python, Bash, or PowerShell.
  • Experienced with containerization and CI / CD security tools, especially Docker.
  • Hands‑on experience with penetration testing across web, API, network, and infrastructure environments.
  • Knowledge of vulnerabilities in current AI models, including prompt injections, with knowledge of OWASP Top 10 for Large Language Models (LLMs).
  • Familiar with AI red‑teaming frameworks such as garak or PyRIT.
  • Experience in AI / ML security, evaluation, and red teaming, particularly with LLMs, AI agents, and RAG pipelines.
  • Proficient in offensive exploitation and exploit development.
  • Skilled in reverse engineering using tools like Ghidra or equivalents.
  • Expertise in network and application security, including web application security.
  • Knowledge of operating system security concepts such as Linux privilege escalation and Windows internals.
  • Familiar with secure coding practices for full‑stack development.
  • 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

Why this freelance opportunity might be a great fit for you?

  • Get paid for your expertise, with rates that can go up to $20 / 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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* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.

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