Senior Full-Stack Engineer for AI-Driven Developer Platform

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

Benefits offered by this job

Hybrid work arrangement

Job summary

Roku is seeking a Senior Full Stack Engineer to join the Developer Platform team and build AI-enabled web applications and services. You will design end-to-end solutions for external partners and internal stakeholders, contributing across frontend and backend with a focus on reliability, scalability, and usability.

You will evolve APIs, microservices, and production workflows, while collaborating across teams to deliver practical developer tools in a fast-paced environment.

Qualifications

• Proven full stack engineering experience with production web applications.
• Strong skills in TypeScript, JavaScript, React, and Node.js.
• Backend development in Python or Go and frameworks such as FastAPI.
• Familiarity with PostgreSQL, Redis, and REST API design and integration.
• Experience with test-driven development and CI/CD workflows.
• Experience integrating AI technologies such as OpenAI, LangChain, or RAG pipelines.
• Understanding of authentication and authorization approaches including OpenID and SAML.
• Experience deploying cloud-native services on AWS with containerized infrastructure and Kubernetes.

Responsibilities

• Design and build full stack web applications using React and Node.js.
• Integrate AI capabilities including LLM-driven experiences where appropriate.
• Develop APIs and microservices that connect tools, data, and platform workflows.
• Deploy, scale, and monitor services in cloud environments using Kubernetes.
• Build robust, highly available backend and frontend systems for developer-facing use cases.
• Collaborate with cross-functional teams to define and deliver partner and internal tooling.
• Troubleshoot production issues and improve performance and reliability.
• Participate in code reviews and contribute to engineering best practices.

Skills

TypeScript

JavaScript

React

Node.js

Python

Go

AI integration

REST API design

Education

Bachelor's or Master's in Computer Science

Tools

PostgreSQL

Redis

Kubernetes

Job description

Roku is seeking a Senior Full Stack Engineer to join the Developer Platform team and build AI-enabled web applications and services. You will design end-to-end solutions for external partners and internal stakeholders, contributing across frontend and backend with a focus on reliability, scalability, and usability.

You will evolve APIs, microservices, and production workflows, while collaborating across teams to deliver practical developer tools in a fast-paced environment.