Senior Software Engineer
Remote
London, United Kingdom
Full Time
25-03-2025
Job Specifications
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 searching for a Senior Software Engineer interested in building fast, reliable systems and applied machine learning to join our Engineering team. Help us build advanced, human-like generative voice assistant technologies and transform the customer service landscape.
As part of the Voice team, this role is responsible for building and innovating our media-streaming services and bringing to life human-machine interactions.
Requirements
You will be taking an active role in software development through writing code, testing, contributing to design ideas and documents, and performing code reviews. You will be building, configuring, and maintaining cloud infrastructure, and working with the team to deliver generative voice assistant products.
Maintaining and optimising our global media streaming services.
Contribute to development of product features, particularly relating to streaming, voice UX, CRM integrations, web chat and calling
Build infrastructure across both AWS and Azure cloud environments, following best practices and well architected principles.
Supporting growth through scalability and reliability, as well as implementing solutions for observability and improving operational metrics.
You will be deploying, and maintaining state-of-the-art machine-learning models for speech recognition and speech synthesis.
In collaboration with the other platform and deployment engineers, you will be responsible for troubleshooting network traffic issues, infrastructure resources issues, and integration issues, making fixes, as well as proposing long-term strategic changes to make the platform better
BS degree in Computer Science or a related technical field.
Cloud expertise: At least one major cloud vendor (AWS, GCP or Azure), as well as deploying containerised applications (e.g. Docker, ECS, EKS, ContainerApps, AKS, Kubernetes, Lambda)
2-3+ year(s) of commercial software development experience.
Experience with algorithms, data structures, complexity analysis, and software design
Experience with one or more programming languages. In house we mainly use Python and Golang for our backend.
Experience with professional software engineering best practices, such as coding standards, code reviews, source control, build processes, and testing
Proficiency in verbal and written English communication
Preferred Requirement(s):
Experience with data technologies such as PostgreSQL, Redis, and DynamoDB.
Experience with speech-to-text or text-to-speech systems, either in academic or industry settings.
Experience with streaming and VOIP technologies like SIP and WebRTC
Experience with security best practices for Enterprise software, multi-tenancy, and building solutions adhering to data protection regulations
Our interview process:
An initial phone call (30 minutes) with the hiring manager
A take-home coding problem
Two back-to-back technical interviews (45 mins each), one for coding and problem-solving, one for architecture design
A 30-minute behavioural interview with our Management Team
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
Bike2Work scheme
Annual learning and development allowance
One-off WFH allowance when you join
Company-funded fertility and family-forming programmes
Menopause care programme with Maven
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 donʼt 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.
About the Company
PolyAI builds enterprise conversational assistants that carry on natural conversations with customers to solve their problems. Our conversational assistants understand customers, regardless of what they say or how they say it. Know more
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