https://aitrainers.jobs/ai-training-jobs/stem-math/country/ec12 open maths and science roles name Ecuador as a country they accept, and 27 more maths and science roles are open worldwide.en Tue, 20 Oct 2026 16:05:40 GMT https://aitrainers.jobs/jobs/freelance-mechanical-cfd-engineer-ai-trainer-ff66o1https://aitrainers.jobs/jobs/freelance-mechanical-cfd-engineer-ai-trainer-ff66o1Tue, 20 Oct 2026 00:00:00 GMTMindrift · 4 countries · Up to $17/hr https://aitrainers.jobs/jobs/freelance-mechanical-cad-simulation-engineer-ai-trainer-ektf66https://aitrainers.jobs/jobs/freelance-mechanical-cad-simulation-engineer-ai-trainer-ektf66Mon, 19 Oct 2026 00:00:00 GMTMindrift · 4 countries · Up to $17/hr https://aitrainers.jobs/jobs/chemistry-expert-ai-trainer-ecuador-buzpp5https://aitrainers.jobs/jobs/chemistry-expert-ai-trainer-ecuador-buzpp5Thu, 06 Aug 2026 11:03:19 GMTPart-time remote work writing chemistry problems with one correct answer and clearly documented solutions. Suits chemists with a degree who have worked on computational or simulation-based chemistry. https://aitrainers.jobs/jobs/biology-expert-ai-trainer-ecuador-15tk24https://aitrainers.jobs/jobs/biology-expert-ai-trainer-ecuador-15tk24Tue, 04 Aug 2026 12:56:00 GMTRemote part-time work building biology tasks with a single verifiable answer for AI model evaluation. Suits scientists with a graduate degree and some bioinformatics or Python experience. https://aitrainers.jobs/jobs/physics-expert-ai-trainer-ecuador-ooyuszhttps://aitrainers.jobs/jobs/physics-expert-ai-trainer-ecuador-ooyuszThu, 18 Jun 2026 20:35:02 GMTRemote contract work designing rigorous, single-answer physics problems with complete worked solutions for AI training. Suits physicists with research or industry experience who write precisely and enjoy building original multi-step problems. https://aitrainers.jobs/jobs/physionet-competitor-biomedical-signal-processing-ml-1ppepthttps://aitrainers.jobs/jobs/physionet-competitor-biomedical-signal-processing-ml-1ppeptFri, 16 Oct 2026 00:00:00 GMTCompetition specialists build rigorous biomedical signal problems and write reference solutions in Python or MATLAB. Suits people with PhysioNet-style competition experience and hands-on work with physiological signals such as ECG or EEG. https://aitrainers.jobs/jobs/stem-expert-msc-phd-1quhichttps://aitrainers.jobs/jobs/stem-expert-msc-phd-1quhicFri, 16 Oct 2026 00:00:00 GMTDomain scientists solve and review challenging STEM problems and use Python to test whether AI-generated answers are correct. Suits chemistry, biology, math, physics or geoscience experts comfortable with coding agents and scientific Python. https://aitrainers.jobs/jobs/stem-expert-chemistry-computational-chemistry-phd-33qt03https://aitrainers.jobs/jobs/stem-expert-chemistry-computational-chemistry-phd-33qt03Fri, 16 Oct 2026 00:00:00 GMTChemists design, critique and validate chemistry problems, workflows and reasoning, including reaction mechanisms and simulations. Suits PhD-level chemists with lab or simulation-heavy research experience who document methods clearly. https://aitrainers.jobs/jobs/stem-expert-biology-bioinformatics-phd-y2kcjphttps://aitrainers.jobs/jobs/stem-expert-biology-bioinformatics-phd-y2kcjpFri, 16 Oct 2026 00:00:00 GMTBiologists and bioinformaticians review analysis pipelines and assess biological reasoning in AI outputs. Suits PhD-level specialists with hands-on experience analyzing real biological data in Python or R. https://aitrainers.jobs/jobs/competitive-data-scientist-kaggle-1m1u7nhttps://aitrainers.jobs/jobs/competitive-data-scientist-kaggle-1m1u7nMon, 12 Oct 2026 00:00:00 GMTBuilds reproducible data science tasks with verified reference solutions and checks that reject leaky or incomplete approaches. Suits competition-experienced data scientists who can debug unfamiliar Python code. https://aitrainers.jobs/jobs/electrical-engineering-expert-15d3xshttps://aitrainers.jobs/jobs/electrical-engineering-expert-15d3xsMon, 12 Oct 2026 02:04:22 GMTRemote part-time work designing electrical and electronics tasks, including circuit checks and PCB reviews, for AI evaluation. Suits electrical engineers with substantial professional experience in circuit design or electronics development. https://aitrainers.jobs/jobs/mechnical-engineering-expert-tka5zqhttps://aitrainers.jobs/jobs/mechnical-engineering-expert-tka5zqMon, 12 Oct 2026 02:00:49 GMTRemote part-time work creating mechanical design and analysis tasks that test AI agents on realistic engineering workflows. Suits mechanical engineers with substantial professional experience in design, manufacturing or analysis. https://aitrainers.jobs/jobs/civil-engineering-expert-p6ugdahttps://aitrainers.jobs/jobs/civil-engineering-expert-p6ugdaSat, 10 Oct 2026 13:31:13 GMTRemote part-time work checking construction estimates, bills of quantities and tender documents to build reference answers for AI evaluation. Suits quantity surveyors or estimators with substantial professional experience. https://aitrainers.jobs/jobs/chemistry-expert-j8j0gyhttps://aitrainers.jobs/jobs/chemistry-expert-j8j0gyFri, 02 Oct 2026 00:55:44 GMTDoctoral-level chemists design rigorous chemistry questions and review AI reasoning for scientific accuracy. Suited to experts who can write clear reference responses and document errors in model reasoning. https://aitrainers.jobs/jobs/chemist-uqzotyhttps://aitrainers.jobs/jobs/chemist-uqzotyFri, 02 Oct 2026 00:58:50 GMTPracticing chemists evaluate AI answers to applied chemistry questions and flag unsafe or incorrect procedures. Suited to degree-qualified chemists with professional laboratory experience. https://aitrainers.jobs/jobs/physicist-1mba6jhttps://aitrainers.jobs/jobs/physicist-1mba6jFri, 02 Oct 2026 00:06:32 GMTRemote contributor work evaluating AI answers to physics questions, writing reference solutions and flagging unsupported assumptions. Suits physicists with research, lab or industry experience who communicate clearly in writing. https://aitrainers.jobs/jobs/chemistry-specialist-1rbs82https://aitrainers.jobs/jobs/chemistry-specialist-1rbs82Fri, 02 Oct 2026 01:04:07 GMTChemists with subdiscipline expertise write chemistry questions and judge the correctness of AI answers. Suited to people with graduate chemistry training who can explain complex chemistry clearly. https://aitrainers.jobs/jobs/mathematics-expert-1y7z4phttps://aitrainers.jobs/jobs/mathematics-expert-1y7z4pThu, 01 Oct 2026 23:50:30 GMTRemote work writing proof-based and computational problems and verifying AI solutions step by step. Suits mathematicians with rigorous proof-writing skills and experience explaining their reasoning clearly. https://aitrainers.jobs/jobs/statistician-1gn5ruhttps://aitrainers.jobs/jobs/statistician-1gn5ruThu, 01 Oct 2026 23:52:20 GMTRemote work designing statistical analysis tasks with reference answers and reviewing AI-generated statistical reasoning. Suits statisticians fluent in R or Python who can explain uncertainty and method choice. https://aitrainers.jobs/jobs/physics-expert-mc5lh1https://aitrainers.jobs/jobs/physics-expert-mc5lh1Thu, 01 Oct 2026 23:53:50 GMTRemote role reading physics material, writing and reviewing problems, and correcting errors in AI physical reasoning. Suits physicists with a graduate degree and broad command of core physics. https://aitrainers.jobs/jobs/mathematics-expert-latam-europe-s8276vhttps://aitrainers.jobs/jobs/mathematics-expert-latam-europe-s8276vThu, 17 Sep 2026 14:06:02 GMTRemote part-time work designing original mathematics problems that test deep reasoning, each with one verified answer. Suits mathematicians with a master's or PhD and strong Python or numerical methods skills. https://aitrainers.jobs/jobs/physics-expert-phd-postdoc-1ts3c9https://aitrainers.jobs/jobs/physics-expert-phd-postdoc-1ts3c9Mon, 07 Sep 2026 00:00:00 GMTFlexible remote work that solves advanced physics problems with rigorous derivations, checked with symbolic and numerical tools. It suits PhD holders and postdocs who are active in a physics subfield and have recent publications. https://aitrainers.jobs/jobs/bioinformatics-expert-wi617zhttps://aitrainers.jobs/jobs/bioinformatics-expert-wi617zWed, 02 Sep 2026 16:28:12 GMTRemote part-time work creating genetics problems that require multi-step inheritance, pedigree or genomic reasoning, with verified answers. Suits geneticists or molecular biologists with a graduate degree and statistical analysis skills. https://aitrainers.jobs/jobs/bioinformatics-expert-xh6m54https://aitrainers.jobs/jobs/bioinformatics-expert-xh6m54Wed, 02 Sep 2026 16:27:29 GMTPart-time remote work designing bioinformatics tasks that require interpreting biological data through multi-step computation. Suits computational biologists or genomics specialists with a graduate degree and strong Python or R skills. https://aitrainers.jobs/jobs/energy-expert-1hgb0whttps://aitrainers.jobs/jobs/energy-expert-1hgb0wWed, 02 Sep 2026 16:25:47 GMTRemote part-time work building energy systems problems that require quantitative analysis and optimisation, with verified solutions. Suits engineers with a graduate degree and experience in power, renewables or energy modelling. https://aitrainers.jobs/jobs/electrical-engineering-expert-1hekzxhttps://aitrainers.jobs/jobs/electrical-engineering-expert-1hekzxWed, 02 Sep 2026 16:24:06 GMTPart-time remote project work writing electrical engineering problems that need quantitative reasoning and checked answers. Suits engineers with a master's or PhD in electrical or electronics fields. https://aitrainers.jobs/jobs/architectural-engineering-expert-107zq8https://aitrainers.jobs/jobs/architectural-engineering-expert-107zq8Wed, 02 Sep 2026 16:22:26 GMTRemote part-time work designing building engineering problems that integrate structural, energy and environmental constraints. Suits engineers with a graduate degree and experience in building systems or energy performance. https://aitrainers.jobs/jobs/civil-engineering-expert-1b3zjehttps://aitrainers.jobs/jobs/civil-engineering-expert-1b3zjeWed, 02 Sep 2026 16:21:08 GMTPart-time remote work creating civil engineering problems that require multi-step analysis, with verified solutions. Suits engineers with a graduate degree and strong structural, geotechnical or infrastructure experience. https://aitrainers.jobs/jobs/mechanical-engineering-expert-2b2a4uhttps://aitrainers.jobs/jobs/mechanical-engineering-expert-2b2a4uWed, 02 Sep 2026 15:59:49 GMTRemote part-time work designing mechanical engineering problems with one verifiable answer to test AI reasoning. Suits engineers with a master's or PhD and strong analysis, simulation and CAD experience. https://aitrainers.jobs/jobs/chemistry-expert-remote-europe-latam-6mptz2https://aitrainers.jobs/jobs/chemistry-expert-remote-europe-latam-6mptz2Thu, 06 Aug 2026 11:14:39 GMTPart-time remote work designing chemistry problems that go beyond recall, each with one verified answer. Suits chemists holding a graduate degree who are comfortable with simulation or cheminformatics tools. https://aitrainers.jobs/jobs/pure-mathematics-specialist-freelance-ai-trainer-project-apsxp5https://aitrainers.jobs/jobs/pure-mathematics-specialist-freelance-ai-trainer-project-apsxp5Fri, 12 Dec 2025 19:07:30 GMTPure mathematicians build and check proofs, then test an AI model's logic and proof strategy, including Lean 4 code. Suits PhD holders or postdocs fluent in Lean 4 who can explain proof strategies rigorously. https://aitrainers.jobs/jobs/ai-training-specialist-stem-focus-1bmwvehttps://aitrainers.jobs/jobs/ai-training-specialist-stem-focus-1bmwveWed, 10 Sep 2025 13:46:21 GMTContributors with a STEM background who label data and review AI outputs for accuracy and reliability. Suits people with a technical degree and prior work in data annotation or model training. https://aitrainers.jobs/jobs/mathematics-ai-training-specialist-n39cl5https://aitrainers.jobs/jobs/mathematics-ai-training-specialist-n39cl5Wed, 10 Sep 2025 13:40:24 GMTMathematics specialists who annotate data and review AI-generated mathematical reasoning for accuracy. Suits people with a maths degree and proven annotation experience. https://aitrainers.jobs/jobs/ai-training-specialist-hindi-language-expert-2r95zihttps://aitrainers.jobs/jobs/ai-training-specialist-hindi-language-expert-2r95ziWed, 10 Sep 2025 13:48:45 GMTScience-trained contributors fluent in Hindi who label data and review AI-generated scientific content. Suits people with a background in biology, chemistry or physics who work well independently. https://aitrainers.jobs/jobs/mathematics-specialist-ai-training-expert-bilingual-spanish-1tked5https://aitrainers.jobs/jobs/mathematics-specialist-ai-training-expert-bilingual-spanish-1tked5Wed, 10 Sep 2025 13:41:33 GMTLatin American Spanish speakers with mathematics expertise who check AI-generated maths content for accuracy. Suits people with annotation experience who can meet deadlines independently. https://aitrainers.jobs/jobs/mathematics-ai-trainer-spanish-speaker-latin-america-s6i969https://aitrainers.jobs/jobs/mathematics-ai-trainer-spanish-speaker-latin-america-s6i969Wed, 10 Sep 2025 13:41:19 GMTMathematics-minded Spanish speakers who annotate data and validate AI-generated answers in Latin American Spanish. Suits people with annotation or content review experience and strong maths foundations. https://aitrainers.jobs/jobs/mathematics-ai-trainer-bilingual-spanish-specialist-15qyilhttps://aitrainers.jobs/jobs/mathematics-ai-trainer-bilingual-spanish-specialist-15qyilWed, 10 Sep 2025 13:41:04 GMTContributors strong in calculus, algebra and statistics who review AI maths outputs in Latin American Spanish. Best suited to people with annotation experience and clear written communication. https://aitrainers.jobs/jobs/mathematics-ai-training-specialist-bilingual-spanish-english-atc0unhttps://aitrainers.jobs/jobs/mathematics-ai-training-specialist-bilingual-spanish-english-atc0unWed, 10 Sep 2025 13:40:48 GMTMathematics graduates fluent in Latin American Spanish who check AI-generated maths content for accuracy. Suits people with a maths or statistics degree and a willingness to learn annotation workflows. https://aitrainers.jobs/jobs/latex-specialist-fluent-in-russian-freelance-ai-trainer-project-1nghozhttps://aitrainers.jobs/jobs/latex-specialist-fluent-in-russian-freelance-ai-trainer-project-1nghozThu, 07 Aug 2025 22:12:23 GMTFreelance role for LaTeX experts fluent in Russian to test AI models on typesetting and math and log failure modes. It suits STEM graduates with publishing or technical-writing experience who explain their reasoning clearly. https://aitrainers.jobs/jobs/latex-specialist-fluent-in-thai-freelance-ai-trainer-project-aagrnshttps://aitrainers.jobs/jobs/latex-specialist-fluent-in-thai-freelance-ai-trainer-project-aagrnsThu, 07 Aug 2025 22:10:01 GMTFreelance role for LaTeX experts fluent in Thai to test AI models on typesetting and math and log failure modes. It suits STEM graduates with publishing or technical-writing experience who explain their reasoning clearly. https://aitrainers.jobs/jobs/latex-specialist-fluent-in-german-freelance-ai-trainer-project-1qygvxhttps://aitrainers.jobs/jobs/latex-specialist-fluent-in-german-freelance-ai-trainer-project-1qygvxThu, 07 Aug 2025 22:06:34 GMTFreelance role for LaTeX experts fluent in German to test AI models on typesetting and math and log failure modes. It suits STEM graduates with publishing or technical-writing experience who explain their reasoning clearly. https://aitrainers.jobs/jobs/latex-specialist-fluent-in-spanish-spain-freelance-ai-trainer-project-1sod0phttps://aitrainers.jobs/jobs/latex-specialist-fluent-in-spanish-spain-freelance-ai-trainer-project-1sod0pThu, 07 Aug 2025 21:58:36 GMTFreelance role for LaTeX experts fluent in Spanish to test AI models on typesetting and math and log failure modes. It suits STEM graduates with publishing or technical-writing experience who explain their reasoning clearly. https://aitrainers.jobs/jobs/science-specialist-fluent-in-german-freelance-ai-trainer-project-r6x026https://aitrainers.jobs/jobs/science-specialist-fluent-in-german-freelance-ai-trainer-project-r6x026Mon, 16 Jun 2025 20:51:29 GMTGerman-speaking science specialists test an AI model on physical, earth and environmental science, recording each factual or logical error. Suits science graduates with teaching, research or science-communication experience who write fluently in German. https://aitrainers.jobs/jobs/mathematics-specialist-fluent-in-swedish-freelance-ai-trainer-project-160mzlhttps://aitrainers.jobs/jobs/mathematics-specialist-fluent-in-swedish-freelance-ai-trainer-project-160mzlSat, 14 Jun 2025 01:38:44 GMTFreelance role for mathematics experts fluent in Swedish to test AI models on math questions and proofs and document failure modes. It suits people with publications, teaching or research experience in mathematics who explain their reasoning clearly. https://aitrainers.jobs/jobs/mathematics-specialist-fluent-in-german-freelance-trainer-project-bjg35https://aitrainers.jobs/jobs/mathematics-specialist-fluent-in-german-freelance-trainer-project-bjg35Sat, 14 Jun 2025 01:36:59 GMTFreelance role for mathematics experts fluent in German to test AI models on math questions and proofs and document failure modes. It suits people with publications, teaching or research experience in mathematics who explain their reasoning clearly. https://aitrainers.jobs/jobs/mathematics-specialist-fluent-in-korean-freelance-ai-trainer-project-mswmzchttps://aitrainers.jobs/jobs/mathematics-specialist-fluent-in-korean-freelance-ai-trainer-project-mswmzcSat, 14 Jun 2025 01:36:43 GMTFreelance role for mathematics experts fluent in Korean to test AI models on math questions and proofs and document failure modes. It suits people with publications, teaching or research experience in mathematics who explain their reasoning clearly.