Find remote AI training and data labeling jobs open to applicants in El Salvador.
Evaluate AI answers about QuickBooks, bookkeeping, financial reporting, reconciliations, and small-business accounting. This fully remote contract role requires 20+ hours per week and strong accounting experience.
Posted Nov 11, 2026
Build thermal and CFD simulation workflows for PCB assemblies and electronic systems using OpenFOAM, Gmsh, and Python. This remote contract requires 20+ hours each week and is open worldwide.
Posted Nov 11, 2026
Review and rate AI answers about bookkeeping, reporting, reconciliations, audits, and small-business accounting. This remote freelance project requires QuickBooks Online experience, strong English, and 20+ hours per week.
Posted Nov 11, 2026
Build multi-step AI agents for mathematical research, turning proofs and technical material into reliable software systems. This remote contractor role is open across Latin America and pays $25 per approved task.
Posted Nov 11, 2026
Create and evaluate engineering simulation benchmarks for AI agents using Python and open-source tools. This remote contractor engagement lasts up to 12 weeks, with part-time work accepted and required Pacific Time overlap.
Posted Nov 11, 2026
Perform electromagnetic and signal integrity simulations for high-speed PCB designs, analyze interconnect behavior, and build Python workflows. The project is worldwide, requires English, and supports 20+ hours per week for about 13 weeks.
Posted Nov 11, 2026
Create and review graduate-level biology problems that test AI systems on experiments, data, figures, sequences, structures, and scientific reasoning. This remote contractor assignment requires at least 20 hours per week and professional English fluency.
Posted Nov 11, 2026
Review and correct Welsh conversational audio transcripts for a 1,350-hour AI voice dataset. Pay is $30 to $35 per hour, with full-time weekday work from mid-November through December 31, 2026.
Posted Nov 11, 2026
Work remotely as a medical imaging clinician annotator, outlining image regions and checking metadata for a large medical image dataset. Pay is $30 to $55 per hour for less than 20 hours per week.
Posted Nov 11, 2026
Evaluate Rust repositories, tests, and bug-fixing tasks to measure how AI coding systems perform. This remote LATAM contract pays $25 per approved task and requires 20+ hours per week.
Posted Nov 10, 2026
Evaluate open-source C# code, tests, and bug-fixing tasks used to assess AI models. This remote contractor role pays $25 per label and requires fluent English, software engineering skills, and 20+ hours per week.
Posted Nov 10, 2026
Review and rate LLM software engineering outputs using Golang codebases, GitHub issues, and unit tests. This contract role pays $25 per label, requires 20+ hours weekly, and is open across 23 listed countries and territories.
Posted Nov 10, 2026
Work remotely on Java open-source repositories, testing code and evaluating how well language models solve realistic bugs. The one-month contract pays $25 per approved task and is open to contractors in Latin America.
Posted Nov 10, 2026
Review public JavaScript repositories, configure development environments, run tests, and assess how well AI systems fix real software bugs. This remote contractor assignment is open across Latin America and pays $25 per approved task.
Posted Nov 10, 2026
Review open-source Python code, GitHub issues, and unit tests to assess how AI models handle real bug-fixing work. This remote contractor assignment pays $25 per approved task and is open across Latin America.
Posted Nov 10, 2026
Build and test vulnerable and patched generative AI applications, trace data and action flows, and evaluate authorization, prompt injection, and tool abuse. This worldwide contractor role requires 20+ hours per week and strong application security experience.
Posted Nov 10, 2026
Review AI-generated text, images, and diagrams using knowledge from your academic discipline. Remote, asynchronous project work pays $100 per hour for eligible undergraduate students.
Posted Nov 10, 2026
Work as a Software Engineering Expert on project-based coding, debugging, code review, and implementation work at $75 per hour. Accepted projects require 10 to 20 hours per week for 2 to 3 weeks.
Posted Nov 10, 2026
Work asynchronously on software projects involving coding, debugging, code review, and technical documentation. This contract role pays $75 per hour for a flexible 2 to 3 week engagement, with applications starting through OpenTrain.
Posted Nov 10, 2026
Create and validate research-grade tasks that test AI models on real computational science problems. This flexible contractor role pays $100 per hour and requires hands-on research experience plus working Python skills.
Posted Nov 10, 2026
Create research-grade evaluation tasks that test AI models on real scientific computing problems. This remote, flexible role pays $75 per hour and suits researchers who use Python.
Posted Nov 10, 2026
Record a short script in English with a Russian-influenced accent for speech and voice data collection. The role pays $30 per hour and requires a working microphone and the ability to follow English instructions.
Posted Nov 10, 2026
Use advanced research skills to evaluate AI models, review datasets, design experiments, and synthesize technical findings. This remote project pays $150 per hour for about 10 to 20 hours weekly over 2 to 3 weeks.
Posted Nov 10, 2026
Record a short script in Portuguese-accented English for a single audio submission that takes about 15 minutes and pays $30 per hour. You need Portuguese fluency, English instructions, and a device with a microphone.
Posted Nov 10, 2026
Build and review research coding tasks for AI model evaluation in areas such as congestion control, datacenter networking, programmable networks, and cluster scheduling. This remote contract work pays $50 per hour and follows an asynchronous schedule.
Posted Nov 10, 2026
Work remotely on mechanical designs, CAD models, drawings, and engineering analysis for AI training projects. The role runs asynchronously for 2 to 3 weeks, with 10 to 20 hours per week for accepted projects and pay of $88 per hour.
Posted Nov 10, 2026
Review contracts, filings, and regulatory materials for AI training at $125 per hour. This remote project runs 10 to 20 hours weekly for 2 to 3 weeks.
Posted Nov 10, 2026
Create research coding tasks and review AI model outputs in parallel algorithms and high-performance computing. This remote contract work pays $200 per label and fits around ongoing research.
Posted Nov 10, 2026
Use your graduate-level research expertise to evaluate and explain written, visual, and discipline-specific AI content. This remote project work pays $100 per hour and offers up to 10 hours per week during each project window.
Posted Nov 10, 2026
Create self-contained research coding tasks for GPU kernels and ML systems, then review AI model outputs against technical standards. Remote contract work pays $200 per approved task and typically takes about four hours.
Posted Nov 10, 2026
Remote AI training and data labeling work can involve preparing examples used by artificial-intelligence systems. Depending on the assignment, tasks may include annotating 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 individual live posting explains the responsibilities and whether applicants located in El Salvador are eligible.
OpenTrain is the hiring organization for the roles on OpenTrain, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting is the source of truth for eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client-specific requirements.
