
The leading provider of enterprise AI agents for customer service. PolyAI resolves millions of customer service inquiries on behalf of the world's most trusted brands, providing engaging and lifelike experiences that feel like talking to a real person.

The leading provider of enterprise AI agents for customer service. PolyAI resolves millions of customer service inquiries on behalf of the world's most trusted brands, providing engaging and lifelike experiences that feel like talking to a real person.
What they do: Enterprise conversational AI agents (voice, chat, SMS) and an omnichannel CX platform
Founded: 2017
Founders / leadership: Nikola Mrkšić (Co-founder & CEO), Tsung-Hsien (Shawn) Wen (Co-founder & CTO), Pei-Hao (Eddy) Su (Co-founder / SVP Eng)
Reported total funding: ≥ $68M (multiple rounds including Series A/B/C; later rounds reported raising total above $200M)
Employees (approx.): 359
Customer service automation and conversational AI for contact centers
2017
Software Development
$12,000,000
$14,000,000
Brought reported total to $28M at that time
$40,000,000
Participants included Twilio Ventures, Khosla Ventures, Point72 Ventures and Amadeus Capital
$50,000,000
Backed by new investors Hedosophia, NVentures and Zendesk with follow-on from previous investors
$86,000,000
Reported co-leads Georgian, Hedosophia and Khosla Ventures; round took total funding over $200M
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PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants make it possible for businesses to deliver outstanding customer service that rivals their human agents. Our customers, which include the world’s leading logos, are expanding how they use our platform, driving automation of critical customer service operations and integrating PolyAI into their daily customer service workflows.
We are seeking an experienced Senior Full Stack Developer (backend-focused) to join our team and shape our cutting-edge low-code platform. In this role, you’ll work end-to-end, from design to implementation, on features that make it easy for users to interact with complex AI systems. You’ll also play a key role in mentoring junior engineers and guiding technical decisions.
If you’re passionate about Python and great API design, or love working with React to build intuitive tools that empower non-technical users to harness AI, we’d love to hear from you!
Responsibilities
Requirements
We provide a competitive salary range for this role, which is $170k – $200k - depending on level and experience. Please note this range is intended as a guide, not a guarantee. Final compensation will be based on individual qualifications, relevant experience, and the scope of the role. In addition to salary, this position includes equity in the business, giving you the opportunity to share in the company’s long-term success.
Benefits 💰 Participation in the company’s employee share options plan
🏥 Comprehensive health coverage for you and your loved ones
👪 Life Insurance
◻️ STD and LTD
💰 The opportunity to contribute to the company's 401k plan
🏝 Flexible PTO policy + 11 designated company holidays
📚 Annual learning and development allowance
🏡 We’re all about making WFH work for you - that’s why we offer a one-off WFH allowance when you join. Offering perks like noise-cancelling headphones or a comfortable desk chair to boost your comfort and focus!
🧡 Enhanced parental leave
👨👩👧 Company-funded fertility and family-forming programmes
🌸 Menopause care programme with Maven
🌎 Sabbatical Program: 5-week paid sabbatical available after 5 years of employment
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.