Freelance Jobs in Johannesburg
1 - 15 of 19
Search Results - Freelance Jobs in Johannesburg
Meridial Marketplace, by Invisible-Johannesburg
SWE Infrastructure Specialist (JS/TS/Python) – Freelance AI Trainer Project
Join to apply for the SWE Infrastructure Specialist (JS/TS/Python) – Freelance AI Trainer Project role at Meridial Marketplace, by Invisible.
Are you a software engineer...
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Network Recruitment-Johannesburg
internships, academic projects, or freelance work acceptable)
• Basic knowledge of programming (e.g., Python, Java, C++, or JavaScript)
• Exposure to AI/ML concepts (e.g., regression, classification, neural networks)
• Familiarity with frameworks...
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Meridial Marketplace, by Invisible-Johannesburg
SWE Infrastructure Specialist (Java) – Freelance AI Trainer ProjectJoin to apply for the SWE Infrastructure Specialist (Java) – Freelance AI Trainer Project role at Meridial Marketplace, by InvisibleAre you a Java-focused software engineer...
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The Recruitment Pig-Johannesburg
The Company
The company manages contract logistics across the world. They facilitate international freight forwarding and customs clearing services. They serve the automotive, retail, and e-commerce business industries. They operate as a global...
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Mindrift-Johannesburg
A leading AI consultancy based in Johannesburg is seeking a Freelance Software Developer (Ruby) to work on innovative AI projects. This remote, part-time role involves designing prompt strategies, collaborating with engineers, and improving AI...
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Stranger Soccer-Johannesburg
central team (2-3 persons) as well as a few freelance Official Hosts (game hosts) to kick off the operation
• Identify and secure prime slots at football venues to run Stranger Soccer games
• Engage in creative sales and marketing digital and hands-onto...
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workable.com -
Cactus Communications-Johannesburg
OverviewWe are currently seeking experienced researchers and journal editors to collaborate with us on a freelance basis as Journal Selection and Pre Submission Peer Reviewers.WHAT YOU WILL DOProvide expert input in the form of peer-review-style...
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Freelance jobs – More locations:
The Legends Agency-South Africa
operational processes that improve clarity, accountability, and delivery consistency
• Coordinate across designers, developers, freelancers, editors, and external partners to maintain delivery momentum
• Maintain visibility across timelines, dependencies...
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Mindrift-Johannesburg
Toloka AI supports frontier model post‑training by building domain‑specific reinforcement learning environments, tasks, and evaluation frameworks designed by real practitioners.
Mindrift, powered by Toloka—a leading enterprise AI and machine learning...
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Intellect-Johannesburg
freelance, contracted, part-time, or full-time — so you can maintain your own private caseload/clients while expanding with Intellect
• Competitive compensation & attractive perks
• Minimal admin burden — we handle scheduling, billing, client matching...
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workable.com -
Mindrift-Johannesburg
Mindrift is seeking contributors for project-based AI opportunities in Johannesburg, South Africa. Ideal candidates will have a degree in physics and at least 2 years of experience, proficient in Python and able to design computational physics...
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The Really Great Teacher Company-Johannesburg
Overview
We are seeking freelance Mathematics Content Developers to create structured lesson materials aligned with the Cambridge curriculum for ESL learners. This role supports a digital flipped-classroom model in which students learn through self...
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workable.com -
Cactus Communications-Johannesburg
A global communications firm is seeking experienced researchers and journal editors to work as freelance Journal Selection and Pre Submission Peer Reviewers. You will provide expert feedback on manuscripts, assess their readiness for publication...
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Meridial Marketplace, by Invisible-Johannesburg
A tech consulting firm is in search of a SWE Infrastructure Specialist (Java) for a freelance AI Trainer Project. In this contract role, you will leverage your Java expertise to engage AI models, focusing on architectural design and performance...
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Mindrift-Johannesburg
development, especially with Python and robust test-writing experience. Contributors are expected to have a degree in Computer Science or related fields and English proficiency. Compensation can be up to $24/hour, with the possibility of freelance...
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