Senior Full-Stack Engineer for AI-Driven Automation

Roku; Cambridge; Hybrid; GBP 90,000 - 140,000; Full time

Benefits offered by this job

Mental health support

Retirement options

Healthcare benefits

Job summary

Roku is seeking a Senior Software Engineer to join the Embedded Software Automation and Tools team. You’ll design full stack applications and services that enable end-to-end automation and testing, with a strong emphasis on performance, reliability, and AI-enabled capabilities.

Responsibilities include building APIs, deploying in Kubernetes on AWS, and delivering scalable solutions while mentoring peers and collaborating across time zones to drive impact for Roku’s ecosystem.

Qualifications

• 7+ years of full stack engineering with production web apps and backend services.
• Strong Python skills and experience with FastAPI, Flask, or Django.
• Frontend experience with TypeScript/JavaScript, Next.js, React, and MUI.
• Experience with PostgreSQL, Redis, and REST API design and integration.
• Experience with test-driven development, CI/CD (Jenkins, GitLab).
• Experience integrating AI technologies such as Skills, Agents, MCP Servers, or RAG pipelines.
• Understanding of authentication approaches including OpenID and SAML.
• Experience deploying cloud-native services on AWS with Kubernetes.
• Experience with message queuing systems like RabbitMQ or Kafka.
• Demonstrated AI and agentic-tooling fluency and strong troubleshooting skills.

Responsibilities

• Design and build full stack web applications to support end-to-end automation and test infrastructure.
• Integrate AI capabilities including LLM-driven experiences in toolsets.
• Develop APIs and microservices to support test and quality workflows.
• Deploy, scale, and monitor services in cloud environments using Kubernetes.
• Build robust backend and frontend systems for automation use cases.
• Collaborate with cross-functional teams to define and deliver tooling.
• Architect and own technical solutions, evaluating design trade-offs.
• Create and maintain technical documentation with clear user requirements.
• Troubleshoot production issues and improve performance and reliability.
• Participate in code reviews and mentor less experienced engineers.

Skills

Full stack engineering

Python

Frontend: TS/JS

AI integration

Kubernetes

CI/CD

OpenID/SAML

AWS

RabbitMQ/Kafka

REST APIs

AI tooling adoption

Education

Bachelor’s or Master’s in CS/Software Engineering

Tools

PostgreSQL

Redis

REST API design

Jenkins

GitLab

OpenID

SAML

AWS

Kubernetes

RabbitMQ

Kafka

Job description

Roku is seeking a Senior Software Engineer to join the Embedded Software Automation and Tools team. You’ll design full stack applications and services that enable end-to-end automation and testing, with a strong emphasis on performance, reliability, and AI-enabled capabilities.

Responsibilities include building APIs, deploying in Kubernetes on AWS, and delivering scalable solutions while mentoring peers and collaborating across time zones to drive impact for Roku’s ecosystem.