Full-Time

Agent Designer

PolyAI

PolyAI

201-500 employees

Enterprise voice agents for customer support

Compensation Overview

CA$80k - CA$90k/yr

+ Equity

Canada

In Person

Category
Software Engineering (1)
Required Skills
LLM
Python
Requirements
  • BS/MS degree in Interaction Design, Linguistics, Human-Computer Interaction, Artificial Intelligence, Computer Science, or another related field
  • Foundational Python knowledge: variables, lists, loops, conditionals, and functions
  • Experience working with large language models (LLMs) and Generative AI
  • Strong focus on creating great user experiences, with meticulous attention to detail and consistency
  • Ability to explain and distill complex ideas using clear and inclusive language
  • Ability to craft conversational and UX copy that guides users naturally through their journeys, reducing friction at every step
Responsibilities
  • Designing the customer experience of AI agents, from simple FAQ answers to long and complex conversations
  • Implementing and maintaining agents using our own platform, Agent Studio, as well as Python and other tools
  • Obsessing over metrics to assess performance and customer satisfaction - making sure everything you do is measurable and having a big impact
  • Listening to how real customers interact with your agents, and prioritising the right things to make each interaction even better
  • Helping our engineering team ensure that our implementations of Generative AI are effective, accurate, and safe
Desired Qualifications
  • Knowledge of or aptitude for analytics or data science, including data manipulation, analysis, and visualisation
  • Experience managing internal and external stakeholders through various stages of content development
  • Previous experience in conversation design/AI agent development
  • Experience collaborating with cross-functional teams

PolyAI builds enterprise voice assistants for customer service that can operate over phone lines, chat, and SMS. Its platform uses a conversational AI engine to understand intent, manage dialogue flow, and connect to enterprise systems like CRMs and payment processors to complete tasks in real time. The company differentiates itself with natural, multi-channel conversations and deep NLP/ML expertise from its Cambridge roots, plus strong enterprise integrations. Its goal is to help businesses automate complex support tasks while keeping a human-like, natural user experience, with a focus on expanding in the U.S.

Company Size

201-500

Company Stage

Series D

Total Funding

$204.5M

Headquarters

London, United Kingdom

Founded

2017

Simplify Jobs

Simplify's Take

What believers are saying

  • Series D raised $86M in December 2025, valuing PolyAI at $750M with NVentures participation.
  • Toronto hub opens Q2 2026, targeting agent design to boost North American revenue over 70%.
  • Fogo de Chão's Selma agent hits 95% satisfaction, projecting 250,000 reservations in 12 months.

What critics are saying

  • OpenAI o1/o3 models enable in-house agent building, displacing PolyAI in 12-18 months.
  • Google Gemini 2.0 commoditizes voice AI, undercutting per-minute pricing in 6-12 months.
  • Losses hit $26.6M in 2025; ARR stalls below 50% YoY triggers cash crisis in 18 months.

What makes PolyAI unique

  • PolyAI's voice assistants handle interruptions, corrections, and topic changes in natural conversations.
  • Proprietary dialogue management and NLU enable enterprise-grade reliability across 45 languages.
  • Agent Development Kit launched April 22, 2026, accelerates agent building from weeks to hours.

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Your Connections

People at PolyAI who can refer or advise you

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Retirement Plan

401(k) Company Match

Unlimited Paid Time Off

Paid Vacation

Paid Sick Leave

Paid Holidays

Hybrid Work Options

Flexible Work Hours

Stock Options

Company Equity

Professional Development Budget

Conference Attendance Budget

Fertility Treatment Support

Family Planning Benefits

Wellness Program

Mental Health Support

Home Office Stipend

Phone/Internet Stipend

Enhanced parental leave

Annual learning and development allowance

One-off WFH allowance when you join

Private healthcare

Bike2Work scheme

Growth & Insights and Company News

Headcount

6 month growth

2%

1 year growth

2%

2 year growth

0%
Financial News
Mar 21st, 2026
PolyWin launches ai-powered Prediction Market revolution with PolyAi-Claw.

PolyWin launches ai-powered Prediction Market revolution with PolyAi-Claw. From Speculation to Autonomous Intelligence - The Next Generation of Prediction Markets is Here Silicon Valley, March 2026 - PolyWin, a next-generation prediction market platform, officially launched its AI-driven trading infrastructure powered by PolyAI and the autonomous PolyAi-Claw execution network. The platform transforms traditional prediction markets by introducing fully autonomous agents capable of analyzing, executing, and managing trades with millisecond-level precision. "The future isn't just about predicting outcomes - it's about transforming uncertainty into actionable intelligence." - PolyWin founding team 1. Turning probability into Profit: PolyAI's market intelligence. Prediction markets assign probabilities to future events, but human factors like emotions, social media, and fragmented information often distort prices. PolyAI, PolyWin's core algorithmic engine, continuously measures the deviation between market-implied probability and true probability using: - Macroeconomic & geopolitical indicators - Real-time news sentiment - Blockchain liquidity flows Using Bayesian modeling, PolyAI identifies Expected Value (EV) Advantage Zones, signaling optimal trading opportunities and converting noisy signals into measurable insights. 2. PolyAi-Claw: autonomous execution at millisecond speed. Execution is as critical as analysis. PolyAi-Claw orchestrates multiple autonomous agents to: - Monitor global markets - Compute real-time probabilities - Execute trades within milliseconds - Dynamically manage risk Multi-Agent Architecture: - Signal Agents: Track news, social trends, on-chain metrics - Probability Agents: Compute AI-derived probabilities and detect EV zones - Execution Agents: Act instantly across markets - Risk Agents: Automatically hedge and adjust positions during volatility This distributed intelligence network enables PolyWin to maintain profitability even in highly volatile conditions. 3. Three core Profit engines. 1. Cross-Market Arbitrage - Exploit price differences across platforms like Polymarket and Kalshi. 2. AI Market Making - Provide liquidity, capture bid-ask spreads, stabilize markets. 3. Semantic Intelligence Arbitrage - AI interprets relationships between global events, regulations, and market signals to act ahead of human traders. 4. Institutional-Level risk control. PolyWin integrates multi-layer risk management: - Maximum 5% exposure per event - Real-time monitoring of volatility and probability slopes - Low-cost, high-frequency execution on Polygon Layer-2 for transparency and efficiency 5. AI-Driven ecosystem Architecture. PolyWin operates as a complete autonomous ecosystem: - Prediction Market Layer: Decentralized trading on global events - AI Agent Layer: PolyAI + PolyAi-Claw autonomous agents - Liquidity & DeFi Layer: Users provide liquidity, stake tokens, earn yields - Data Intelligence Layer: Transforming market data into actionable insights Industry Evolution: Crowd-based speculation | algorithmic probability trading | fully autonomous AI-driven markets. 6. Platform core logic (from PolyWin website). - AI-Driven Probability Arbitrage: Captures differences between market price and true probability. - Core Modules: - Data Layer: Multi-source real-time data (politics, macroeconomics, social sentiment, order books) - AI Modeling: Bayesian probability updates and EV edge detection - Execution Layer: Automated trades <200ms, blockchain + smart contracts for settlement & risk control - Profit Mechanism: - EV Edge Detection - Millisecond Auto Execution - Three-Tier Capital Management for secure risk control - Risk Management: - Max exposure <5% per event - Diversified event coverage - Automated stop-loss & dynamic risk adjustment - Self-Growth Flywheel: Data | AI probability | EV identification | Auto arbitrage | Profit | Reinvest | Expand capital | Scale strategy 7. Platform goals. PolyWin is not just a prediction market but a high-level intelligent arbitrage engine combining: - AI prediction - Algorithmic trading - Systematic probability arbitrage - Automated execution - Risk control framework 8. Conclusion. PolyWin converts uncertainty into structured financial opportunity: "In the noise, capture the signal. PolyWin is turning intelligent prediction into the next-generation financial yield engine." Address: USA, Silicon Valley Globe PR Wire publishes press releases and corporate announcements from companies worldwide. Content covers various industries including technology, finance, healthcare, real estate, and more. These articles represent distributed press release material from external sources. 19/03/2026 18/03/2026

PR Newswire
Mar 9th, 2026
PolyAI named the fastest-growing AI company in Europe in FT 1000 rankings

PolyAI named the fastest-growing AI company in Europe in FT 1000 rankings. Mar 09, 2026, 08:25 ET The Financial Times and Statista recognized PolyAI as #32 overall and #1 in enterprise AI among Europe's 1,000 fastest-growing companies NEW YORK, March 9, 2026 /PRNewswire/ - PolyAI, the leader in agentic AI for customer experience, has been ranked Europe's fastest-growing enterprise AI company in this year's FT 1000 list. Each year, the Financial Times and Statista issue a special report on the fastest-growing companies in Europe. The methodology analyzes percentage growth in revenue over the past three years. The 2026 FT 1000 rankings measured growth between 2021 and 2024. PolyAI ranked #32 overall out of 1,000 companies and placed #1 among enterprise AI providers. PolyAI's award-winning Agent Studio platform enables enterprises to deploy AI agents that manage complex conversations across languages, channels, and markets at global scale. According to a Forrester Total Economic Impact(TM) study, customers achieve 391% return on investment, underscoring the real-world business impact behind the company's momentum. "Enterprises don't trust just anyone with their customer conversations. They choose long-term, strategic partners," said Nikola Mrkšić, Co-Founder and CEO of PolyAI. "We've earned that deep level of trust by delivering measurable business results across tens of millions of conversations - and it's that trust that fuels our growth." PolyAI now partners with more than 200 enterprise customers across 25+ countries and 45+ languages, helping them improve CX, reduce operational costs, and unlock new revenue opportunities at scale. Visit poly.ai to learn more. About PolyAI PolyAI is transforming customer experience with AI agents that help enterprises show up as the best versions of themselves in every conversation. We are trusted by global leaders including Marriott, Caesars Entertainment, PG&E, and UniCredit to handle their most complex customer interactions. Our agents deliver human-level understanding with enterprise-grade reliability, and many of our largest deployments already do the work of 1,000+ full-time employees. SOURCE PolyAI

PR Newswire
Feb 4th, 2026
Fogo de Chão's AI voice agent Selma achieves 95% satisfaction rate, projects 250,000 reservations

Fogo de Chão has deployed PolyAI's voice agent, named Selma, to handle phone calls across its US restaurants. The Brazilian steakhouse chain previously missed calls due to high volumes and after-hours enquiries. Selma manages FAQs, checks availability, books reservations through OpenTable, and enrols guests in Fogo Rewards. When necessary, she routes calls to staff members. The AI agent currently achieves a 95% guest satisfaction rate and 88% booking completion rate, with 40% of guests opting into the rewards programme after discussing it with her. PolyAI projects Selma will deliver over 250,000 reservations within 12 months, contributing substantially to incremental revenue. PolyAI serves over 100 enterprises with more than 2,000 live deployments across 45 languages and 25 countries.

Tech in Asia
Dec 16th, 2025
Khosla co-leads $86m series D in UK AI voice agent PolyAI

Khosla co-leads $86m series D in UK AI voice agent PolyAI. PolyAI has raised US$86 million in a series D round co-led by Georgian, Hedosophia, and Khosla Ventures, with participation from NVentures, British Business Bank, Citi Ventures, Squarepoint Ventures, Sands Capital, Zendesk Ventures, and Point72 Ventures. The company develops AI-powered voice agents for enterprise customer service. This latest funding brings PolyAI's total capital raised to over US$200 million. PolyAI says its technology is used by more than 100 enterprise customers across 25 countries, with deployments in 45 languages. Food for thought. PolyAI's $40 million ARR signals a lower valuation than U.S. peers. * PolyAI targets $40 million in annualized recurring revenue (ARR) for 2025, with U.S. client revenue set to almost triple 1. * UK filings put Generally Accepted Accounting Principles (GAAP) revenue at $8.9 million in 2024 and $15 million in the 12 months to January 31, 2025. Losses rose to $26.6 million from $23.8 million 1. * PolyAI carries a $750 million valuation, or about 19x forward ARR. Sierra is a U.S.-based AI customer service startup valued at $10 billion with $100 million ARR, or 100x. Decagon is a U.S.-based AI voice automation startup at a $1.5 billion valuation 1. * Revenue grew 2,274% over three years, ranking it #1 AI company in the 2025 Deloitte UK Technology Fast 50 (an annual ranking of the fastest-growing UK tech companies by revenue growth) 2. IT system integrators can win interactive voice response (IVR) upgrades as AI voice agents spread. * Enterprise AI voice agents could rise from $3.14 billion in 2024 to $47.5 billion by 2034, a 34.8% compound annual growth rate (CAGR). Gartner pegs $80 billion in cost savings by 2026 3. * Healthcare AI voice adoption grows at 37.3% CAGR while retail posts 31.5% 3. * Enterprises want integration with customer relationship management (CRM) and enterprise resource planning (ERP) systems. They also need compliance with Service Organization Control 2 (SOC 2) and Health Insurance Portability and Accountability Act (HIPAA). They also need Payment Card Industry Data Security Standard (PCI DSS) and General Data Protection Regulation (GDPR) 3. * Return on investment (ROI) often lands within 6 to 12 months, with AI voice agents improving issue resolution by 14% and reducing handling time by 9% 3. How would you feel if you could no longer use Tech in Asia?

PolyAI
Dec 15th, 2025
PolyAI raises $86M to transform how enterprises talk to their customers - PolyAI

PolyAI raises 86M to transform how enterprises talk to their customers Read more