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 with a strong backend focus to join our team and help shape our cutting-edge low-code platform. This role offers the opportunity to work end-to-end, from design to implementation, on creating features which enable a simple user experience for interacting with complex AI systems. as well as mentoring junior engineers along the way. If you are passionate about Python, React, and building tools that empower non-technical users to get the most out of AI, we would love to hear from you!

Requirements

• Architect and Develop: Build and enhance our no-code platform, enabling non-technical users to configure sophisticated dialogue systems and voice experiences.
• Full-Stack Development: Design and implement features end-to-end, using Python for backend services and React (Next.js preferred) for frontend interfaces.
• Create Intuitive Interfaces: Develop user-friendly UIs that simplify and visualise complex AI concepts.
• Champion Best Practices: Lead the team in adopting coding standards and best practices, ensuring a clean, maintainable, and scalable codebase.
• Collaborate: Work closely with cross-functional teams to design, develop, and deliver features that align with the platform’s vision.
• Mentor and Guide: Provide technical leadership and guidance to junior engineers, fostering a collaborative and growth-oriented environment.
• Optimise Performance: Improve backend workflows, streamline processes, and enhance overall system efficiency.

What We Are Looking For:

• Proven Expertise in Python: Extensive experience building backend systems, with a strong understanding of REST APIs (experience with WebSockets is a plus).
• Frontend Proficiency: Strong experience with React and JavaScript (TypeScript preferred); experience with CSS-in-JS (e.g., styled-components).
• Agile Practitioner: Familiarity with Agile methodologies such as Scrum or Kanban.
• Testing Advocate: Experience writing and maintaining unit tests in Python and JavaScript (Jest).
• Security-Minded: Experience managing secure communication protocols between client and server.
• Version Control: Proficiency with Git for collaborative development.
• Additional Skills (Desirable): knowledge of Go and experience with Next.js

PolyAI Benefits - UK

💰Participation in the company’s employee share options plan

🏝25 days holiday, plus bank holidays

🏡Flexible working from home policy plus a one-off WFH allowance when you join

🌎Work from outside of the UK for up to 6 months each year

🧡Enhanced parental leave

📚Yearly learning budget

🚲Bike2Work scheme

🏥Private healthcare and dental cover, discounts on gym members and relaxation apps, and access to a range of mental health programs

Interview Process

• 30 minute culture Interview with Talent Team
• 90 minute Take home Test
• 30 minute interview with Hiring Manager
• 45 minute coding interview x 45 minute system design interview
• 30 minute final interview with CTO