Open AI training and model evaluation roles that call for Speech Synthesis expertise, gathered from 3 platforms. Part of Languages, Translation & Voice.
Pay figures cover the 34 open jobs that publish an hourly rate in USD. They are published rates, not a guarantee of income. Last checked on October 8, 2026.
This remote contract role asks French voice talent to record clear audio from provided scripts and to judge AI-generated French speech for naturalness, accuracy and flow. It suits experienced voice actors and narrators with native or near-native French, and no prior AI experience is needed.
This remote contract role asks German-speaking voice actors to record clean audio from scripts and to judge AI-generated speech for naturalness, accuracy and expressiveness. It suits performers with prior narration, dubbing or audiobook experience who can work from a quiet, well-equipped recording space. No AI background is required.
This remote freelance role asks German-speaking voice professionals to record scripted and creative performances and to judge AI-generated German speech for naturalness and pronunciation. The recordings and feedback help train AI voice systems that will speak to German audiences. It suits experienced voice actors who work from a home studio and have a critical ear for delivery.
This remote contract role is for native Italian speakers with professional voice experience who will record scripted audio and assess AI-generated speech. The goal is to make synthetic Italian voices sound more natural, expressive and human. No prior AI background is required, but candidates need a professional microphone and a quiet recording space.
This job asks native or heritage speakers of Peninsular Spanish to help train and check AI speech models. The work involves listening to generated audio, transcribing and labeling samples, and writing English feedback on accuracy and naturalness. It suits people with a trained ear for European Spanish who want flexible remote work and no prior AI experience.
This short contract invites experienced voice actors and voice-over artists with a strong native accent to record natural, conversational speech in a professional studio. The recordings help AI research teams build speech systems that sound more human. It suits voice talent who want a brief, clearly scoped engagement of a few studio sessions.
This remote contract role asks French voice professionals to record speech samples that help AI systems sound more natural and expressive. It also involves judging AI-generated French audio and giving feedback on its quality. It is aimed at working voice actors and voice-over artists who have a professional studio setup and no prior AI background.
This remote, contract-based role asks German-speaking voice professionals to record scripted German audio and judge AI-generated speech for naturalness, pronunciation, and expressiveness. It suits people with voice acting or narration experience who want to help AI systems sound more human, and no prior AI background is needed.
This is a paid, in-person studio recording job for voice actors who have a genuine Irish English accent. The work is to record natural, conversational speech that will help train AI speech systems to understand and speak Irish English more accurately. It suits experienced voice-over artists comfortable with both scripted reads and improvised dialogue.
Italian-speaking voice professionals record scripted vocal content and judge AI-generated Italian speech for naturalness, pronunciation and rhythm. The work is remote, freelance and done on the contributor's own schedule. It suits experienced voice talent who want to help AI speech sound more natural and human.
This contract role asks experienced voice actors and voice-over artists to record natural, conversational speech in short studio sessions. The recordings will help AI research teams build speech systems that sound human. No prior AI background is needed, only professional recording experience and an authentic native-sounding English accent.
This short contract involves recording natural, conversational Spanish speech in a professional studio so that AI systems can better understand how people really talk. It is aimed at experienced voice actors with a genuine regional accent who can handle both solo and two-person dialogue sessions across a few sessions.
This role is for professional voice actors and voice-over artists with a natural, native-level English accent. It involves short paid studio recording sessions of conversational speech, both solo and in dialogue, to help AI research teams build more human-sounding speech systems.
This contract role asks professional voice actors to record natural, conversational speech in a studio so that AI research teams can learn how a specific English accent is really spoken. Work includes solo sessions and two-speaker dialogue, delivered with an authentic, unscripted feel. It suits experienced voice-over artists who are comfortable with both scripted and improvised conversation and who can take direction.
This contract role offers paid studio recording sessions in which voice performers capture natural, conversational Indian English speech for AI speech training. It suits experienced voice actors and voice-over artists with a strong, authentic accent who can deliver unscripted-sounding dialogue and take light direction.
This contract role invites professional voice actors and voice-over artists with a Castilian Spanish accent to record conversational speech in a studio for an AI speech project. Performers take part in a small number of sessions, delivering single-speaker and dialogue passages that help AI systems sound more natural to Spanish speakers. It suits locally based performers who can deliver unscripted-sounding dialogue and adapt to direction.
This remote contract role involves recording natural speech samples that are used to train AI speech systems so they sound more human and natural. Contributors read scripts and join conversational recordings from a quiet space, and no prior voice acting or audio background is needed. It suits people with a clear speaking voice who can work independently on their own schedule.
This remote opening invites native English speakers with a regional accent to record voice samples that will train and evaluate text-to-speech systems for a conversational customer service AI agent. It suits both experienced voice professionals and newcomers who have a clear, expressive voice and a good home recording setup.
Posted September 24, 2026
You will listen to audiobooks generated by text-to-speech synthesis and evaluate the quality of the narration, identifying pronunciation errors, inaccuracies, and lack of naturalness. This role suits a native English speaker passionate about audiobooks, capable of precisely identifying where narration deteriorates so that AI models can be improved.
Posted September 14, 2026
You will listen to audiobooks generated by text-to-speech synthesis in Brazilian Portuguese and evaluate the naturalness and accuracy of the narration. You will identify pronunciation errors, mispronounced or omitted words, and intonation defects to help improve the underlying AI models. This role is suited to a native Brazilian Portuguese speaker who enjoys audiobooks and has 20 hours per week available for remote work.
Posted September 14, 2026
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FAQ
36 Speech Synthesis AI training jobs are open on SideHustler today. Listings are rechecked against the official postings: the latest check on this list was on October 8, 2026.
Among the 34 open roles that publish an hourly rate in USD, pay runs from $15 to $280 per hour, with a median of $78. These are the rates the platforms publish, not a guarantee of income or hours.
Alignerr (17), Mercor (17) and xAI (2). You apply on the platform itself, which handles screening, contracts and payment.
The most requested areas of expertise on these listings are Speech Synthesis, Voice Recording, Voice Acting, Multilingual Expertise, Language Evaluation. Each listing states its own requirements.
Apply now opens the official posting on the platform, where you complete the application. You need no account on SideHustler. To see which roles fit your background first, add your resume and every open job is scored against your profile.
