Find remote annotation, model evaluation, RLHF, and expert-review roles at the cutting edge of a fast-growing industry — work flexibly from anywhere, paid hourly, per task, or per project.
Part-time contractor (20+ hrs/week) working remotely worldwide to create, review, and validate parametric 3D CAD models and production-ready engineering drawings using FreeCAD or similar, with pay ranging $30–$100/hr.
Posted Jul 21, 2026
OpenTrain seeks a remote Cloud Infrastructure Task Author to design realistic cloud scenarios, build reproducible containerized environments, and produce deterministic tests and reference solutions. Flexible, contractor role at 20+ hrs/week with pay range $40–$100/hr (USD).
Posted Jul 21, 2026
Remote contractor role evaluating motion graphics, VFX, and AI-generated video using Adobe After Effects; 20+ hrs/week, pay $20–$70/hr. Help shape creative QA and automation for media pipelines while working globally and part-time.
Posted Jul 21, 2026
Remote, part-time contractor role building and validating EViews-based time-series forecasting models (VAR, VECM, ARIMA). Estimated pay $35–$100/hr; less than 20 hours/week. Expert-level econometrics and EViews scripting required.
Posted Jul 21, 2026
Entry-level, remote contractor role simulating and reviewing NgSpice circuit outputs for AI training datasets; document parameters, flag anomalies, and provide clear technical feedback. Part-time (20+ hrs/week), paid hourly (USD $20–$110/hr).
Posted Jul 21, 2026
Join OpenTrain as a remote, part-time Junior PCB Design Reviewer using DesignSpark PCB to evaluate schematics and layouts and produce technical documentation that helps train AI. 20+ hrs/week; pay range $20–$110 USD/hr (posted up to $110/hr); English required.
Posted Jul 21, 2026
Part-time contractor role creating and refining FreeCAD 3D models to support AI training datasets and evaluations; remote, English required, 20+ hrs/week, paid $20–$110/hr. Ideal for entry-level CAD designers with attention to geometric accuracy.
Posted Jul 21, 2026
Join OpenTrain as a Junior Solar2D Game Developer to create and review 2D game content for AI training. This remote, part-time contract role pays hourly ($20–$110/hr) and requires 20+ hours/week with Lua/Solar2D experience.
Posted Jul 21, 2026
Remote contractor role reviewing Python and Panda3D game code to produce high-quality AI training labels and decision notes; paid hourly (USD $20–$70; listed $70/hr) for 20+ hours/week. Provide practical feedback on rendering, assets, gameplay, and participate in iterative review cycles.
Posted Jul 21, 2026
Join OpenTrain as a remote QGIS specialist producing clean spatial data, maps, and documented workflows to support AI training. Flexible contractor work (20+ hrs/week) paying $20–$70/hr for experienced QGIS practitioners who can clean, project, analyze and cartographically present geospatial data.
Posted Jul 21, 2026
Join OpenTrain as a contract junior engineer building interactive Open 3D Engine simulations for AI training. Remote, part-time (20+ hrs/week) work with competitive hourly pay up to $120/hr, using Python, C++, O3DE tools, and AWS to produce synthetic data.
Posted Jul 21, 2026
Remote contractor role reviewing and annotating architectural drawings, Vectorworks/CAD files, and BIM content to train AI; 20+ hrs/week, paid hourly between $20–$100 USD. Ideal for designers with Vectorworks and CAD experience who can clearly explain architectural workflows.
Posted Jul 21, 2026
Join OpenTrain as a part-time contractor building simple 2D games in Java/libGDX to generate high-quality gameplay data for AI training; remote, 20+ hrs/week, $20–$120/hr depending on experience.
Posted Jul 21, 2026
Create Krita-based illustrations, simple animations, and project files to train AI models; contract, remote work at 20+ hours/week with pay ranging $20–$70/hr (up to $70/hr). Apply with a portfolio showing your Krita workflow.
Posted Jul 21, 2026
Join OpenTrain to review and validate AI guidance for advanced Lightworks editing workflows, helping improve how models describe real post-production tasks. Part-time contract (20+ hrs/week), remote worldwide, $50–$100/hr.
Posted Jul 21, 2026
Review and evaluate AI-generated guidance for advanced Lightworks editing and post-production workflows in a remote, contractor role (20+ hrs/week) paying $50–$100/hr. Ideal for experienced Lightworks editors and post-production specialists.
Posted Jul 21, 2026
OpenTrain seeks a remote Ngspice Electronic Engineering AI Trainer to build and validate circuit simulations that feed AI training workflows; part-time contract work (20+ hrs/week) paying $50–$120/hr. Ideal for engineers with hands-on Ngspice and analog/digital design experience.
Posted Jul 21, 2026
OpenTrain is recruiting for an entry-level Cocos2d-x Game Developer to build and refine 2D gameplay, assets, and scenes that produce real-world input for AI training. Contract, remote, 20+ hrs/week with pay up to $110/hr.
Posted Jul 21, 2026
Join OpenTrain as a remote Macroeconomic Modeling Specialist to design, validate, and automate VAR/VECM/ARIMA models in EViews for policy-relevant forecasting. Part-time contract work (20+ hrs/week) paying $35–$100/hr for candidates with demonstrated EViews expertise.
Posted Jul 21, 2026
OpenTrain seeks a remote Geospatial Analysis Specialist to manage spatial databases, build QGIS plugins, and automate PyQGIS workflows for AI training projects — contract, part-time (<20 hrs/week), $30–$80/hr (USD).
Posted Jul 21, 2026
