Software Engineer - Team Lead (Hybrid - London Based) 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. Teams

Runtime: own the global infrastructure that powers real‑time voice interactions. Design and optimise systems across VoIP and WebRTC to deliver low‑latency, secure, and reliable conversations, shaping the user experience of every call. Data: lead the design and development of features that power insight generation, reporting, and the data‑driven backbone of our no‑code platform for building voice assistants. Product Engineering: help shape our cutting‑edge low‑code platform, working end‑to‑end from design to implementation to create a simple user experience for interacting with complex AI systems.

Hiring Process Centralised hiring process to match you with the team where you can have the most impact. Responsibilities

Lead and mentor a cross‑functional team of engineers, balancing hands‑on technical work with people leadership. Participate directly in review cycles and career development paths for the team, while setting the bar for technical quality and maintainability. Drive sprint and review cycles, ensuring clear goals, predictable delivery, and accountability across the team. Partner closely with Product to translate business goals into an actionable roadmap and measurable outcomes. Drive the software architecture of our multitenant conversational AI platform, ensuring robustness, scalability, and reliability—particularly for externally facing developer APIs. Champion and enforce strong engineering standards and best practices across the team.

Requirements

Proven experience leading a team of 3+ engineers, including sprint planning, performance reviews, technical mentorship, and architecture and delivery. Experience coaching engineers through design decisions, trade‑offs, and technical challenges. Comfortable leading people while staying closely engaged with engineering work. 5+ years of professional experience as a Software Engineer in a people‑management role, with a track record of delivering production features. Significant expertise in Python is a must; experience with React and/or Go is a plus. Experience with at least one major cloud provider (AWS, GCP, or Azure).

Benefits

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. Employee assistance program (24/7). Enhanced parental leave. Bike2Work scheme. Annual learning and development allowance. Company‑funded fertility and family‑forming programmes. Menopause care programme with Maven. Private healthcare and dental cover, discounts on gym memberships and relaxation apps, and access to a range of mental health programmes.

Equal Opportunity Statement 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.

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