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.

PolyAI is tackling the challenges of automating customer service through voice. Our voice assistants make it possible for businesses to deliver outstanding customer service at every touchpoint.

We're on the lookout for Senior Full Stack Engineer to join our Team and play a key role in delivering the next generation of our no-code agent studio platform. In this role, you'll be leading 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.

You'll take ownership of technical design and delivery, mentor other engineers, and collaborate closely with product, design, and other engineering teams to ensure our platform is scalable, reliable, and a delight to use. If you're passionate about technology, enjoy solving complex problems, and are eager to make an impact in a friendly, innovative environment, we'd love to welcome you aboard!

Your responsibilities will involve:

Working independently on the technical design and implementation of full stack features for our agent studio platform, from UI through backend to data pipelines.
Guiding architectural decisions for our multi-tenant infrastructure and ensuring long-term scalability and maintainability.
Collaborating with other engineers, leads and product managers to create new data-driven features.
Mentoring and supporting other engineers on the team, fostering technical excellence and a culture of knowledge sharing.
Taking responsibility for code quality, testing practices, and release processes.
Driving improvements to developer experience, observability, and performance across the stack.

Minimum Qualifications:

4+ years professional software engineering experience, with significant experience delivering both backend and frontend features in production.
Strong understanding of relational and non-relational databases, query optimisation, and schema design.
Hands-on experience designing, deploying, and maintaining RESTful APIs.
Solid grasp of system design, data structures, algorithms, and complexity analysis.
Experience leading technical projects, including scoping, architecture, and delivery.
Excellent verbal and written communication skills in English.
Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Preferred Qualifications:

Experience with data visualization and analytics tooling.
Experience with one or more cloud providers (AWS, GCP, Azure).
Experience with Golang or other backend languages in addition to Python.
Familiarity with Agile methodologies such as scrum, kanban, and sprints.
A background or interest in building low-code or no-code platforms.
Enjoyment of technical challenges and a desire to contribute directly to solutions.

We offer competitive compensation based on experience, expertise, and the level of responsibility. This role also includes equity, giving you the opportunity to share in the long-term success of the business. The listed expectations reflect what we're hiring for, so we encourage you to review the job description carefully.

Participation in the company's employee share options plan

Flexible working from home policy

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

TELUS Health EAP 24/7 - offers you and your chosen family confidential, judgment-free support for any work, health, or life challenge

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!

Company-funded fertility and family-forming programmes

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

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 dont 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 are hyper-focused on delivering the best automated experiences possible so that we can empower people to get exactly what they need, when they need it.

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.

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