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Software Engineering – Infrastructure

London, United Kingdom


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, without over-investing.This is voice-enabled, AI-driven customer service that works in the real world, right now.

As part of the infrastructure team, you are ensuring that every call placed on our system reaches the customer while keeping their data secure. You will work closely with the DevOps team to help scale and secure our cloud native infrastructure, as well as take an active part in building our telephony stack and runtime environment.

Your responsibility will involve:

  • Making sure our infrastructure is robust, scalable and secure.
  • Contributing to the implementation of our multi-tenant infrastructure through writing code, tests, as well as contributing to design ideas and documents or performing code reviews.
  • Take an active role in enterprise client tech communications by presenting or implementing custom integration solutions.
  • Support product delivery by creating abstractions and tooling on top of our existing infrastructure.

Minimum Requirements:

  • BS degree in Computer Science or a related technical field involving coding, or equivalent industry experience.
  • 2+ years of commercial software development experience.
  • Experience with algorithms, data structures, complexity analysis, and software design.
  • Experience with one or more programming languages such as Python, Go.
  • Working proficiency in verbal and written English.
  • Experience with one or more cloud services (such as AWS, GCP, Azure).
  • Experience with professional software engineering best practices, such as coding standards, code reviews, source control, build processes, and testing.

Preferred Requirements:

  • MS degree, or further education in Computer Science or a related field.
  • Experience with Docker/Kubernetes.
  • Knowledge about networking protocols (UDP, TCP), as well as interest in VOIP technologies (SIP, RTP, WebRTC)
  • Working experience building and maintaining scalable servers in Python or Go.
  • Experience with infrastructure as code (e.g. Terraform) and building CI/CD pipelines.
  • Interest in the security and performance of software systems.
  • Experience with working on monitoring/observability tools like Prometheus, Grafana and Datadog.


💰  Participation in the company’s employee share options plan

🏝  25 days holiday, plus bank holidays

🏡  Flexible working from home policy plus a one-off WFH allowance when you join 

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

🧡  Enhanced parental leave

📚  Yearly learning budget

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

Apply Now