Find remote AI training and data labeling jobs open to applicants in Serbia.
Review AI-generated Go code, solve difficult validation issues, and improve backend reliability for dialogue agent systems. This worldwide contract role requires English communication and 20+ hours per week.
Posted Jul 17, 2026
Create and solve advanced physics problems to test large language models, write detailed solutions, and help build new evaluation benchmarks. This worldwide contractor role requires strong physics knowledge, clear English communication, and 20+ hours each week.
Posted Jul 17, 2026
Evaluate advanced Biology language models by creating difficult problems, writing rigorous solutions, and giving clear feedback. This worldwide role supports 20+ hours per week and welcomes candidates pursuing or holding advanced Biology qualifications.
Posted Jul 17, 2026
Create, solve, and explain advanced chemistry problems for AI training. This remote contractor role covers postgraduate chemistry, detailed annotation, visual explanations, and constructive feedback.
Posted Jul 17, 2026
Design challenging physics problems, solve them with clear step-by-step reasoning, and help evaluate large language models. This remote contractor role requires 20+ hours per week and strong physics and English communication skills.
Posted Jul 17, 2026
Build Java backend components, evaluate large language model responses, and create training data in a remote, part-time contractor role. The work requires strong Java, English communication, and technical judgment.
Posted Jul 17, 2026
Work remotely as a JavaScript or TypeScript full-stack developer on AI model evaluation, coding datasets, supervised fine-tuning, and human feedback. This one-month contractor assignment requires at least 20 hours per week.
Posted Jul 17, 2026
Build and review code used to train and evaluate AI models with Python and JavaScript or TypeScript. This worldwide contractor role requires 20+ hours each week and fluent English.
Posted Jul 17, 2026
Create and review board game reasoning tasks that test AI systems on strategy, probability, game rules, and logical decision-making. This contract role requires 20+ hours per week and strong board game or strategy experience.
Posted Jul 16, 2026
Evaluate personalized AI conversations, rank responses, and explain issues in Dutch for a remote one-month contractor project paying $20 per hour. Apply through OpenTrain, then complete the hiring-site application.
Posted Jul 16, 2026
Review how conversational AI uses personal context, create Vietnamese prompts, and rank responses for helpfulness and naturalness. This remote contractor role pays $15 per hour and requires 20+ hours weekly.
Posted Jul 16, 2026
Evaluate how well an AI personalizes responses in Thai using multi-turn prompts and personal context. This remote contract role pays US$15 per hour and requires 20+ hours each week.
Posted Jul 16, 2026
Evaluate Hindi AI personalization responses by writing prompts, rating model output, and explaining your decisions. The contractor role pays $15 per hour and requires 20+ hours each week.
Posted Jul 16, 2026
Review Indonesian AI responses for accurate, natural personalization, compare outputs, and write clear feedback. This part-time contract pays $15 per hour and requires at least 20 hours weekly.
Posted Jul 16, 2026
Review Turkish AI personalization responses, write evidence-based judgments, and create multi-turn prompts. The role pays $15 per hour and offers 20+ weekly hours with four hours of PST overlap.
Posted Jul 16, 2026
Create Korean multi-turn prompts and evaluate how well AI systems use personal context. Review responses, compare quality, and write evidence-based feedback for $15 per hour with 20+ hours weekly.
Posted Jul 16, 2026
Evaluate how well a conversational AI uses personal context in Chinese responses. This remote, three-month contractor role pays $15 per hour and requires at least 20 hours per week, including Pacific Time overlap.
Posted Jul 16, 2026
Earn $15 per hour evaluating personalized Spanish conversational AI responses, comparing outputs, and writing clear quality rationales. This remote, part-time contract role requires 20+ hours per week and strong Spanish writing skills.
Posted Jul 16, 2026
Evaluate personalized AI responses in Arabic by writing multi-turn prompts, comparing outputs, and explaining your judgments. This remote contractor role pays $15 per hour and requires at least 20 hours per week.
Posted Jul 16, 2026
Review Portuguese conversational AI responses for personalization quality, create realistic multi-turn prompts, and rank model outputs. This remote contractor role pays $15 per hour and requires 20+ hours per week.
Posted Jul 16, 2026
Create and review Russian and English content that helps AI models reason more accurately. Research claims, write analytical prompts, and evaluate responses with 20+ hours per week worldwide.
Posted Jul 16, 2026
Review Finnish and English content, test reasoning, validate claims, and give detailed feedback that helps improve AI models. This remote, one-month contract offers 20 or more hours per week, with up to 40 hours preferred.
Posted Jul 16, 2026
Review and improve AI-generated code, create coding datasets, and test software engineering models across the development lifecycle. This flexible contractor role requires strong production software experience and partial PST overlap.
Posted Jul 16, 2026
Evaluate large language models on real coding tasks, test open-source repositories, and review software-engineering datasets. This worldwide contractor role requires English fluency and 20+ hours per week.
Posted Jul 16, 2026
Create and review advanced math questions, logic problems, and written solutions used to train language models. This remote contract role requires strong English and 20+ hours per week.
Posted Jul 16, 2026
Evaluate AI model responses, write Python solutions, and create training data in a fully remote, one-month contractor assignment. Choose 20, 30, or 40 hours per week with Pacific Time overlap.
Posted Jul 16, 2026
Work remotely as a Data Scientist/Analyst evaluating AI models, ranking responses, building training datasets, and analyzing results with Python. Choose 20, 30, or 40 hours per week with Pacific Time overlap.
Posted Jul 16, 2026
Evaluate personalized AI responses in Portuguese by testing conversations, checking factual grounding, comparing outputs, and writing clear reasoning. This remote contractor role pays $15 per hour.
Posted Jul 15, 2026
Evaluate how a conversational AI model uses personal context in German. Create multi-turn prompts, compare responses, and document evidence-based judgments at $15 per hour for a three-month remote contract.
Posted Jul 15, 2026
Use Ubuntu/Linux to complete structured AI data training tasks, record your actions, and check your work for mistakes. This part-time role pays $10 to $20 per hour and is open to entry-level contributors.
Posted Jul 9, 2026
Roles open to applicants located in Serbia can involve preparing or reviewing data for AI systems. Depending on the individual posting, tasks may include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. The live posting sets the responsibilities and eligibility rules for that role, so read it for the applicable details.
OpenTrain is the hiring organization for roles open to applicants located in Serbia, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Refer to each individual live posting for every role-specific detail.
