At a Glance
- Tasks: Design and build cutting-edge AI systems that optimise performance and enhance user experiences.
- Company: Join Roku, the leading TV streaming platform, in a collaborative and innovative environment.
- Benefits: Enjoy competitive salary, healthcare, mental wellness support, and flexible remote work options.
- Other info: Dynamic team culture focused on bold thinking and delivering real solutions.
- Why this job: Make a real impact in AI development while working with the latest technologies.
- Qualifications: Proven experience in AI systems, strong software engineering skills, and proficiency in TypeScript or Python.
The predicted salary is between 60000 - 100000 £ per year.
Requirements
- Proven experience building agentic AI systems that generate, optimize, and deliver scalable applications in production environments
- Strong software engineering foundation with a track record of shipping reliable, performant systems at scale
- Deep familiarity with modern LLM orchestration tools, prompt engineering techniques, and AI/ML frameworks
- Experience with retrieval-augmented generation (RAG), function/tool calling, and evaluation-driven development for AI agents
- Proficiency in Type Script or similar languages, and Python for agent development, scripting, and pipeline automation
- Strong technical communication skills, root cause analysis abilities, and a proactive mindset with passion for fast iteration
- A builders mentality, with the ability to create autonomous systems that multiply the impact of entire teams
Responsibilities
- Apply strong software engineering principles to design, build, and ship reliable, performant systems at scale
- Bring rigorous software engineering practices, including clean architecture, testing, and code review, to building systems that are reliable and performant at scale
- Apply sound software engineering fundamentals, including system design, testing, and code review, to ship reliable, performant systems at scale
- Design, build, and deploy agentic AI systems that autonomously generate, test, and optimize Bright Script and Type Script code and UI experiences for the FRAME engine
- Architect multi-agent workflows covering planning, tool-use, retrieval, execution, and validation to accelerate development and reduce manual engineering effort across the team
- Develop AI-powered automation that understands the constraints of embedded C++ environments and produces performance-safe, memory-efficient outputs
- Build and maintain evaluation frameworks to measure agent reliability, accuracy, and performance in production-critical contexts
- Collaborate with cross-functional teams, including firmware, UI, and product, to identify high-impact opportunities for AI-driven automation and intelligent tooling
- Stay at the forefront of agentic AI research, including LLM orchestration, RAG, function calling, and autonomous code generation, and bring those advances into our platform
- Mentor engineers across the team on AI-first development practices and help establish best practices for human-agent collaboration
- Technologies
- Agentic AI
- AI
- AI Agents
- Architect
- Bright Script
- Embedded
- Firmware
- Support
- LLM
- Python
- RAG
- Roku
- Type Script
- UX UI Design
- Claude Code
- Cursor
- Fine-tuning
- Java Script
- LESS
- MCP
- More
We are Roku, the #1 TV streaming platform in the U.
S., Canada, and Mexico, and we are working to power every television in the world.
Our Device Monetization and Themed Experiences team within the Advertising organization builds the high-performance graphics and UI foundations behind the AD Display, supporting millions of devices worldwide.
This role is based in a collaborative, high-trust environment where teams generally work in the office Monday through Thursday, with Fridays typically flexible for remote work except where role or location requirements differ.
We offer a comprehensive benefits package that may include healthcare, mental health and financial wellness support, retirement options, leave policies, and other local benefits depending on location.
We value a fast-paced, pragmatic culture focused on teamwork, bold thinking, and delivering real solutions to customers.
- last updated 36 week of 2026
- #J-18808-Ljbffr
Senior Software Engineer, Agentic AI - Cambridge employer: Roku
Roku is an exceptional employer that champions innovation and collaboration, particularly in the dynamic field of AI and software engineering. With a strong commitment to employee growth, we offer comprehensive benefits, including mental health support and flexible working arrangements, fostering a culture where creativity thrives. Join us in our mission to revolutionise TV streaming while enjoying a supportive environment that values diverse perspectives and encourages professional development.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer, Agentic AI - Cambridge
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Roku or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Roku.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Roku.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Roku that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Software Engineer, Agentic AI - Cambridge
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Roku.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Roku and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Roku
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Roku uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
