Find remote AI training and data labeling jobs open to applicants in Serbia.
Lead a pod of 5 to 10 technical trainers creating and reviewing terminal-based coding, systems, simulation, and electrical engineering tasks for AI evaluation. The contract role is worldwide, requires 20+ hours weekly, and calls for advanced technical experience.
Posted Oct 14, 2026
Lead QA teams reviewing chatbot comparisons and final AI assessments in a remote, 16-week freelance role. Work five days a week, including weekends as needed, with two weekdays off.
Posted Oct 14, 2026
Review chatbot responses against business requirements, document findings, and support testing and workflow improvements in a 16-week remote project. The role covers 20+ hours across five working days each week.
Posted Oct 14, 2026
Review complex dermatology cases, resolve clinical disagreements, and evaluate AI model outputs in a remote, asynchronous contract. The role requires senior dermatology credentials, active US licensure, and strong clinical writing.
Posted Oct 14, 2026
Coordinate AI training contributors, workforce data, onboarding, and chatbot evaluations in a remote, 16-week freelance role. Work five days per week, including weekends as needed, from 7:00 a.m. to 4:00 p.m. Pacific Time.
Posted Oct 13, 2026
Lead quality decisions for AI annotation and chatbot evaluation projects. This fully remote, project-based role involves calibration, audits, reviewer mentoring, and improving guidelines for consistent results.
Posted Oct 13, 2026
Lead quality strategy for AI chatbot evaluation work, including audits, team leadership, calibration, and corrective actions. This project runs 16 weeks with weekday coverage, weekends as needed, and two weekdays off.
Posted Oct 13, 2026
Review AI chatbot responses, apply detailed evaluation rules, and explain your judgments clearly. This worldwide, part-time role requires 20+ hours per week across five working days, with weekends as needed and two weekdays off.
Posted Oct 13, 2026
Create challenging prompts and evaluate large language model responses for accuracy, reasoning, relevance, and quality. Use Python and business analysis expertise in a flexible contract role requiring 20+ hours each week.
Posted Oct 13, 2026
Evaluate large language model responses using structured data, challenging prompts, and evidence-backed feedback. This remote contractor assignment lasts four weeks, with 20, 30, or 40 hours per week and at least four hours of Pacific Time overlap.
Posted Oct 13, 2026
Evaluate computer-using AI agents by checking their research, reasoning, actions, and written responses. This worldwide freelance role requires fluent English and at least 20 hours per week.
Posted Oct 13, 2026
Review and improve annotated video data against detailed project guidelines. This remote contract role offers flexible hours, requires 20+ hours weekly, and suits experienced video annotation professionals.
Posted Oct 10, 2026
Annotate video by drawing bounding boxes around objects, reviewing existing labels, and correcting errors. This worldwide contract role requires 3+ years of annotation experience, English fluency, and 20+ hours per week.
Posted Oct 10, 2026
Use advanced life sciences knowledge to write, review, and improve scientific reasoning tasks for AI systems. The role requires strong research experience, scientific writing, and at least 8 hours per day with four hours of PST overlap.
Posted Oct 10, 2026
Build reproducible terminal-based AI tasks from Earth sciences research workflows. Use scientific programming, geospatial data, modeling, and automated evaluation in a remote contractor assignment.
Posted Oct 9, 2026
Lead a technical pod reviewing terminal-based scientific and engineering tasks for AI evaluation. The contract requires at least 40 hours per week, four hours of PST overlap, and advanced computer science or electrical engineering expertise.
Posted Oct 9, 2026
Lead a pod of chemical engineering trainers who build and evaluate terminal-based tasks for AI systems. Review simulations, engineering calculations, automated graders, and technical quality across a four-week contractor assignment.
Posted Oct 9, 2026
Lead reviews of AI-generated mechanical and aerospace engineering simulations, source materials, and technical outputs. The role requires advanced engineering expertise, programming skills, and at least 40 hours per week with PST overlap.
Posted Oct 9, 2026
Lead quality reviews for AI evaluation tasks involving civil and structural engineering, simulations, models, and automated graders. This remote four-week contractor assignment requires 20+ hours per week, advanced engineering expertise, programming, and Linux skills.
Posted Oct 9, 2026
Build agentic AI software and data applications using Python or Go, SQL, MCP tools, and AI coding assistants. This worldwide contract role expects 20+ hours per week and four to eight years of software engineering experience.
Posted Oct 9, 2026
Design secure benchmark tasks that test coding agents on real engineering work, safety requirements, and hidden failures. This remote contractor assignment runs 4 to 8 weeks and requires at least 20 hours per week.
Posted Oct 9, 2026
Review AI-generated engineering work using aerospace, mechanical, and electrical simulation expertise. This worldwide contractor role requires 20 to 40 hours weekly, 4 hours of Pacific Time overlap, and 10+ years of experience.
Posted Oct 9, 2026
Review AI-generated business and strategy responses, rate their reasoning, and write feedback that improves AI systems. This remote contract pays $150 per hour and requires fluent English plus consulting or strategy experience.
Posted Oct 9, 2026
Review complex dermatology cases, resolve clinical disagreements, and evaluate AI model outputs in a remote, asynchronous engagement. The work is paid per task and requires senior academic dermatology credentials.
Posted Oct 9, 2026
Review AI-generated medical responses for accuracy, reasoning, completeness, and patient safety. This contractor role pays $100 per hour and suits licensed nurse practitioners and medical doctors with clinical experience.
Posted Oct 8, 2026
Review AI-generated financial, accounting, valuation, and investment responses for accuracy, reasoning, and risk awareness. This remote contractor project pays $150 per hour and requires a CPA or CFA.
Posted Oct 8, 2026
Review AI-generated answers to U.S. legal hypotheticals, assess legal reasoning, and write detailed feedback. This remote contractor project requires a U.S. law degree, active bar admission, and at least three years of legal practice, with pay up to $150 per hour.
Posted Oct 8, 2026
Create graduate-level life sciences reasoning tasks for AI evaluation using experiments, biological data, figures, sequences, and research evidence. This remote contractor assignment lasts one month and requires English and substantial weekly availability.
Posted Oct 8, 2026
Design rigorous computational genomics and bioinformatics benchmarks for AI agents using Python, biological data, and reproducible workflows. This remote five-week contractor project pays $260 per approved task.
Posted Oct 8, 2026
Design complex computational life sciences tasks that test how AI agents inspect data, write code, use scientific tools, and produce valid results. This remote five-week contractor assignment pays $280 per approved task.
Posted Oct 8, 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.
