Senior Backend Engineer — Distributed Systems

Roku; Cambridge; Hybrid; GBP 60,000 - 100,000; Full time

Job summary

Roku is seeking talented engineers to build massively scalable platform services used by millions of devices worldwide. You will own components end-to-end, from ideation through production deployment and support, collaborating with product and design teams.

The role emphasizes evaluating new technologies, promoting best practices, and delivering on tight timelines in a hybrid work setting with Friday remote options.

Qualifications

• Masters degree in CS, CE, or equivalent.
• Strong software development experience, preferably in Java; Python is a plus.
• Experience with large-scale cloud services, ideally on AWS.
• Experience with in-memory caches (Redis/Memcached).
• Experience monitoring deploy quality and troubleshooting production systems.
• Strong understanding of end-to-end web architecture from device to data center.

Responsibilities

• Build extremely large-scale platform products and services for engineers and consumers.
• Collaborate with Product and Design to iterate and deploy through production.
• Lead evaluation of new technologies and promote best practices across the lifecycle.
• Manage project priorities, deadlines and deliverables.
• Participate in Agile processes from scoping to maintenance.

Skills

Java

Python

AWS

Redis

Memcached

Monitoring

Web architecture

Education

Masters degree in Computer Science or Computer Engineering

Tools

Claude Code

Cursor

MCP servers

Agent frameworks

Job description

Salary: £60,000 - 100,000 per year

Requirements:

• Strong software development experience, preferably in Java; Python is a plus
• Experience building large-scale cloud services, ideally on AWS
• Experience selecting appropriate data stores and evaluating trade-offs
• Experience with in-memory caching layers such as Redis, Redis Cluster, or Memcached
• Track record of monitoring deploy quality and troubleshooting production systems
• Strong understanding of end-to-end web architecture, from end-user device to data center service
• Masters degree in Computer Science, Computer Engineering, or equivalent experience
• Experience using AI/agentic engineering tools such as Claude Code, Cursor, MCP servers, custom skills, or agent frameworks, with the ability to verify outputs and ramp quickly on unfamiliar codebases

Responsibilities:

• Build extremely large-scale platform products and services used by our engineers and by consumers across millions of devices
• Work with Product and Design teams to iterate and build software, taking concepts from ideation through production deployment and support
• Lead efforts to evaluate new technologies and promote best practices across the full development lifecycle, including code and design reviews
• Manage project priorities, deadlines, and deliverables
• Participate in our Agile development process, including scoping, technical design, coding, testing, deployment, and maintenance

Technologies:

• AI
• AWS
• Claude Code
• Cloud
• Cursor
• Support
• Java
• MCP
• Python
• Redis
• Roku
• Web
• AI Agents
• Backbone
• LESS
• Backend

More:

We are Roku, the #1 TV streaming platform in the U.S., Canada, and Mexico, with a mission to connect the entire TV ecosystem and power every television in the world. Our browse and discovery platform supports The Roku Channel and helps deliver free and premium content to millions of users in the US and around the world. We offer a fast-paced, collaborative environment where everyone contributes from day one, along with a comprehensive benefits package that may include healthcare, retirement options, mental health and financial wellness support, and paid time off depending on location and role. We generally work in the office Monday through Thursday, with Fridays typically flexible for remote work.

last updated 36 week of 2026