Senior Full-Stack Engineer (Python/TS) for Automation & AI

Roku, Inc.; Cambridge; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Roku, Inc. in Cambridge, UK is seeking a Senior Software Engineer to join the Embedded Software Automation and Tools team, building full-stack applications and services that support end-to-end automation and test infrastructure.

You will contribute across frontend and backend with a focus on performance, reliability, and scalability, design APIs, deploy on Kubernetes in cloud, and integrate AI capabilities into production experiences.

Qualifications

• 7+ years of proven full stack engineering experience with production web applications and backend services.
• Strong Python programming skills with experience in FastAPI, Flask, or Django.
• Frontend development experience with TypeScript/JavaScript, Next.js, React, and MUI.
• Familiarity with PostgreSQL, Redis, and REST API design and integration.
• Experience with CI/CD tools (Jenkins, GitLab) and testing workflows.
• Experience integrating AI technologies such as Skills, Agents, MCP Servers, or RAG pipelines.
• Understanding of authentication methods including OpenID and SAML.
• Experience deploying cloud-native services on AWS with Kubernetes.
• Experience with message queues (RabbitMQ, Kafka).
• Strong problem-solving, collaboration, and independent work ethic.
• Bachelor's or Master's degree in Computer Science, Software Engineering, or related field.

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 deliver tooling for external partners and internal users.
• Architect and own technical designs, evaluating trade-offs for scalable solutions.
• Create and maintain documentation detailing user requirements and technical constraints.
• Troubleshoot production issues and improve performance and reliability.
• Participate in code reviews and promote engineering best practices.
• Mentor less experienced engineers through guidance and reviews.

Skills

Python

Full-stack

TypeScript

React

Next.js

REST APIs

PostgreSQL

Redis

Kubernetes

AWS

CI/CD

AI tooling

OpenID/SAML

RabbitMQ

Kafka

Education

Bachelor's or Master's in Computer Science/Software Engineering or related field

Tools

Docker

Kubernetes

AWS

GitLab

Jenkins

PostgreSQL

Redis

RabbitMQ

Kafka

Job description

Roku, Inc. in Cambridge, UK is seeking a Senior Software Engineer to join the Embedded Software Automation and Tools team, building full-stack applications and services that support end-to-end automation and test infrastructure.

You will contribute across frontend and backend with a focus on performance, reliability, and scalability, design APIs, deploy on Kubernetes in cloud, and integrate AI capabilities into production experiences.