Senior Software Engineer - Research and Development
Remote
London, United Kingdom
Full Time
24-03-2025
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.
This is an exciting position as we are building a new team within the Engineer function. This team will focus on the application of the latest technology into our product.
In this role, you will work on building software to enhance the visibility and configurability of large language models (LLMs). You will be responsible for rapidly developing tools and platforms to evaluate, iterate, and productionalize models, ensuring their reliability and accuracy.
We are looking for the right candidate, and therefore are flexible on the levelling for this position ranging from junior to mid-level!
Responsibilities
Must have at least 4 years of Python experience
Must have at least 4+ years working experience
Develop software that provides visibility into LLM models and offers configurability for tuning and evaluation.
Take a hands-on approach to quickly prototype, test, and iterate on solutions, moving from proof-of-concept to production.
Employ a data-driven methodology to drive model accuracy, leveraging evaluation results to inform decisions.
Collaborate with cross-functional teams to integrate developed tools and ensure they meet production standards.
Communicate findings and ranking metrics clearly to both technical and non-technical stakeholders.
Requirements
Open to feedback and happy to work in an iterative position
Degree in Computer Science or related field, or equivalent experience.
Strong proficiency in Python
Experience developing evaluation suites, datasets, and data-driven tools for model reliability testing.
Ability to rapidly prototype and iterate on solutions while maintaining a focus on production-level quality.
Strong problem-solving skills and a creative mindset
Familiarity with cloud platforms such as AWS, GCP, or Azure is a plus.
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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