PolyAI delivers automated customer support using natural-sounding voice agents that let callers take the lead in the conversation. Our technology enables organisations to offer customer experiences that match – and often surpass – those delivered by human agents. Many of the world’s most recognisable brands already rely on our platform, expanding its use to automate key support processes and embed PolyAI into daily customer operations.
What You’ll Work On (depending on team)
- Enhancing our user-facing platform used to build and customise voice assistants
- Contributing to the design and scalability of our multi-tenant infrastructure across several cloud providers
- Owning major pieces of software development: writing code and tests, shaping designs, providing code reviews
- Delivering full-stack features for the agent studio product, from UI through backend logic to data pipelines
What We're Looking For
- 3+ years of professional software engineering experience, with a track record of shipping full-stack features to production
- Strong skills in Python or Go, plus Typescript and React (all required)
- Practical experience designing, deploying and maintaining REST APIs
- Familiarity with at least one major cloud platform (AWS, GCP, Azure)
- Solid grounding in algorithms, data structures, systems design and complexity
Teams Hiring Senior Full Stack Engineers:
- Runtime
– Own the global real-time infrastructure behind every voice interaction. Work on streamed audio, speech recognition, LLM orchestration, and voice synthesis. Optimise VoIP/WebRTC systems for performance, security, and ultra-low latency.
- Data
– Shape the next generation of our no-code agent studio. Build the data layer that powers analytics, reporting, and insights for voice assistant creation.
- Product Engineering
– Develop end-to-end features for our low-code platform, creating intuitive user experiences for complex AI workflows.
You’ll complete one central hiring process, and we’ll match you with the team where your strengths and interests best align.
We have several engineering openings across these groups. Apply to the single role that most closely matches your background; our Talent team will review your profile for all relevant positions and redirect you if there’s a stronger fit.
Benefits
💰 Employee share option plan
🏝 25 days annual leave + bank holidays
🏡 Flexible remote-first working
🌍 Ability to work outside the UK for up to 6 months per year
🫂 TELUS Health EAP (24/7 support for you + chosen family)
🧡 Enhanced parental leave
🚲 Bike2Work scheme
📚 Annual learning & development budget
🖥 One-off WFH setup allowance (e.g., chair, headphones)
👨 👩 👧 Company-funded fertility & family-forming support
🌸 Menopause support via Maven
🏥 Private medical & dental, wellness discounts, mental health resources
Our Values
- Only the best
– We set a high bar and hire people who do the same.
- Ownership
– We take responsibility for outcomes, not just tasks.
- Relentlessly improve
– Progress is continuous and expected.
- Bias for action
– We move fast and prioritise impact.
- Disagree and commit
– Debate openly, align fully.
PolyAI is an equal opportunity employer. We celebrate diversity and are committed to an inclusive workplace. All hiring decisions are based on business needs, not personal characteristics or background.
A link to our Recruitment Privacy Notice is available for more details on how we process candidate data.
