Senior Full Stack Engineer (must be based in UK)

PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants help businesses deliver outstanding customer service that rivals human agents. Our customers span leading brands, expanding how they use our platform, automating critical customer service operations and integrating PolyAI into daily workflows.

We’re looking for talented Senior Full Stack Software Engineers to join one of our three high impact teams: Runtime, Data, and Product Engineering. All three teams share high engineering standards and solve challenging technical problems at scale, each with its own mission and focus.

Responsibilities (examples)

• Contribute to our user-facing platform for building and configuring voice assistants.
• Contribute to the implementation of our multi-tenant infrastructure across multiple cloud vendors to ensure long-term scalability and maintainability.
• Take a major role in software development, including writing code, tests, contributing to design ideas, documentation, and code reviews.
• Work independently on the technical design and implementation of full-stack features for our agent studio platform, from UI to backend to data pipelines.

Requirements

• 3+ years as a professional Software Engineer with significant experience delivering both backend and frontend features in production.
• Proficiency in Python and React.
• Hands-on experience designing, deploying, and maintaining RESTful APIs.
• Experience with one or more cloud services: AWS, GCP, or Azure.
• Understanding of algorithms, data structures, system design and complexity analysis.

Benefits

• Participation in the company’s employee share options plan.
• 25 days holiday, plus bank holidays.
• Flexible working from home policy.
• Work from outside of the UK for up to 6 months each year.
• Enhanced parental leave, private healthcare and dental cover, mental health programs.
• Bike2Work scheme and annual learning and development allowance.
• One-off WFH allowance at joining to boost comfort and focus.

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 are based on business needs without regard to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, neurodiversity status, or disability status.

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