This role has closed 3w ago. It is no longer on PolyAI's board, so there is nothing left to apply to. The posting is kept here because you saved it or opened it; it is a record, not an offer.
Verified from career page · Posted 2mo ago
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Posted on 15 July 2026
Work model not stated
Salary range not shared by the company
Visa sponsorship details unknown
This role has closed 3w ago ago. It's kept as a record — see PolyAI's open roles or the similar live roles below.
See PolyAI's open rolesPolyAI is the Agentic Dialog Platform for building the conversational enterprise, used to build, run, govern, and improve dialog agents at scale. Powered by Raven, a proprietary dialog model trained on more than a billion enterprise conversations, PolyAI agents are built for complexity, open at every layer, and sovereign by design. PolyAI serves hundreds of enterprises across 75 languages and 25 countries, including Metro Bank, Marriott, PG&E, and UniCredit.
PolyAI has no obligation to guarantee a minimum number of working hours, however it will be a maximum of 16 hours spread across 3 days. The contract is expected to last 3 - 5 months and you must be able to start immediately.
Your responsibilities will involve:
Improving the language understanding module by providing high-quality sentence training examples
Updating system prompts based on client requests
Managing and uploading voice recordings
Testing conversational systems extensively before go-live
Reviewing customer calls and flagging problematic conversations to the team
Working with Software Engineers and Dialogue Designers to produce the best conversational UX and the highest call containment
Minimum Requirements
You are a native/fluent speaker of both Flemish (Belgian Dutch, nl-BE) and standard Dutch (nl-NL). Fluency in both is required, not just one
You have a professional working proficiency in English (we have an international team, but English is our shared language)
You are a great communicator and enjoy working in a diverse team
You are meticulous and have an eye for detail
You have a can-do attitude and have a high standard for your own work
You are passionate about great user experiences and want to deliver the best UX to the customers
You are interested in natural language understanding technologies and curious about how advanced conversational artificial intelligence is changing contact centres
Preferred Requirements
Ability to work within UK working hours (minimum 4h overlap with 10am-6pm UK working day)
Experience in natural language technologies and a rough understanding of how they work
Experience in translation and/or linguistics
Experience in data science and related areas
Experience in tech industries and understanding of how the software works
Experience in working with startups before
Experience in jobs that involve language skills, such as linguistics, translation, script writing, etc
Familiarity with healthcare or appointment-booking contexts is a plus
At PolyAI, we take great pride in our values - they guide everything we do. We believe that a strong culture leads to meaningful work and lasting impact.
Our core values are:
Only the best
We expect the best from our people, we hire people that expect the best from themselves, and we nurture this drive for excellence.
Ownership
We care deeply about what we do. We take ownership of our initiatives, decisions and outcomes.
Relentlessly improve
We demand more from ourselves and are always evolving. Continuous, obsessive improvement is the only way we will transform the world of conversational AI.
Bias for action
Our world moves quickly and so do we. We take calculated risks and we deliver impact fast.
Disagree and commit
We are all working toward the same goal. If we donʼt agree with something, we work hard to understand it and when a decision is made, we accept it and give it our all.
Build for people
We want the world to enjoy the experiences they have with us. We are building for a future that prefers automation.
PolyAI is proud to be an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment decisions at PolyAI will be based on the business needs without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, neurodiversity status or disability status.
Kindly find the Privacy Notice for our recruitment process by following the link here. This document provides important information regarding how we handle your personal data throughout the recruitment journey.
About PolyAI
PolyAI builds voice assistants for customer service from London. Small board.