Senior Software Engineer: AI-Driven Automation & Full-Stack

Stackd; Cambridge; Hybrid; GBP 90,000 - 125,000; Full time

Job summary

Roku is seeking a Senior Software Engineer to join the Embedded Software Automation and Tools team to build full stack applications and services that support end-to-end automation and test infrastructure.

You will design and deliver full stack solutions, with a focus on performance, reliability, and scalability, integrating AI capabilities and modern tooling across frontend and backend systems. A strong track record in Python, web frameworks, and cloud deployments is essential.

Qualifications

• 7+ years of proven full stack engineering experience with production web applications and backend services.
• Strong skills and programming experience in Python.
• Experience developing web applications using FastAPI, Flask, or Django.
• Experience with frontend development in TypeScript/JavaScript, Next.js, React, and MUI frameworks.
• Familiarity with PostgreSQL, Redis, and REST API design and integration.
• Experience with test-driven development, CI/CD workflows, and continuous integration tools (Jenkins, GitLab).
• Experience integrating AI technologies such as Skills, Agents, MCP Servers, 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.
• Experience with message queuing systems such as RabbitMQ or Apache Kafka.
• Demonstrated AI and agentic-tooling fluency per the section above.
• Strong problem-solving and technical troubleshooting skills.
• A self-directed professional able to work independently.
• Ability to work through ambiguous requirements and adapt to change.
• Comfortable working with cross-functional peers and internal stakeholders across European and US timezones.
• Excellent communication and collaborative skills.
• Bachelor's or Master's degree in Computer Science, Software Engineering, or a 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 existing and new toolsets.
• Develop APIs and microservices to support test and quality workflows.
• Deploy, scale, and monitor services in cloud environments using Kubernetes.
• Build robust, highly available backend and frontend systems for software quality and automation use cases.
• Collaborate with cross-functional teams to define and deliver external partner-facing and internal tooling.
• Architect and own technical solutions and designs, evaluating design alternatives and trade-offs to deliver pragmatic, scalable, reliable, and maintainable solutions.
• Create and maintain requirement and technical documentation, clearly defining user requirements, expected product behaviour, and relevant technical constraints.
• Troubleshoot production issues and improve performance and reliability, enabling widespread adoption and use.
• Participate in code reviews and contribute to engineering best practices.
• Mentor less experienced engineers through technical guidance and architectural reviews.

Skills

Full stack engineering

Python

FastAPI/Flask/Django

TypeScript/JavaScript

Next.js/React/MUI

PostgreSQL/Redis

REST API design

CI/CD (Jenkins, GitLab)

AI / agentic tooling

OpenID/SAML

AWS/Kubernetes

RabbitMQ/Kafka

AI integration

Education

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

Tools

Kubernetes

Docker

Jenkins

GitLab

PostgreSQL

Redis

RabbitMQ

Apache Kafka

Next.js

React

Job description

Roku is seeking a Senior Software Engineer to join the Embedded Software Automation and Tools team to build full stack applications and services that support end-to-end automation and test infrastructure.

You will design and deliver full stack solutions, with a focus on performance, reliability, and scalability, integrating AI capabilities and modern tooling across frontend and backend systems. A strong track record in Python, web frameworks, and cloud deployments is essential.