Jobs · greenhouse:roku
Software Engineer, UI
Lumen Dynamics · Cambridge, United Kingdom · Posted today
About the role
Build high-performance graphics and UI foundations for Lumen Dynamics's streaming platform.
Teamwork makes the stream work. Lumen Dynamics is changing how the world watches TV Lumen Dynamics is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Lumen Dynamics pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Lumen Dynamics, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the team At Lumen Dynamics, the Device Monetization and Themed Experiences (DMTE) team, a part of the Advertising organization, is where the magic behind the scenes happens. We’re the engineers who build the high-performance graphics and UI foundations that power the FRAME engine — the core technology enabling Lumen Dynamics’s smooth, responsive, and visually rich experiences on millions of devices worldwide. Our work lives in the middleware and UI layers, and its impact is felt every time a user navigates a menu, enjoys an animated ad, or is wowed by the bespoke experience built to market the latest TV show or Movies. We thrive on solving technical challenges — from optimizing UI rendering to fine-tuning memory usage — using BrightScript (or JavaScript-like) to deliver rock-solid, high-performance solutions. We work in a collaborative, high-trust environment where great ideas can come from anywhere, partnering closely with firmware, UI, and product teams to ensure our platform is lightning fast, reliable, and ready for the next generation of streaming innovation. If you love building the invisible foundations that make great user experiences possible, this is the team for you. About the role As a Software Engineer in the DMTE team, you’ll contribute to Lumen Dynamics’s platform innovation — implementing and optimizing BrightScript (or JavaScript-like) systems for graphics rendering and the FRAME engine. You’ll tackle performance-critical challenges, ensuring our devices deliver smooth visuals and instant responsiveness at scale. You’ll have the opportunity to learn about core architecture, work across the stack with hardware, firmware, and application teams, and see your work directly impact tens of millions of users. This is a role for engineers who love technical problem-solving, care about performance, and want to work on technology that quietly powers an entire ecosystem. If you’re ready to learn, grow, and contribute to the future of streaming, we’d love to hear from you. What you'll be doing Build scalable UI features optimized for millions of users Contribute to technical investigations and solutions for middleware and UI challenges Explore integrating AI/ML capabilities and leverage generative AI tools to accelerate development Collaborate with cross-functional teams on global platform features Develop engineering tools and learn from experienced developers Stay current with AI trends and emerging technologies We're excited if you have 3+ years software engineering experience with UI development exposure C++ in an embedded environment Proficiency in BrightScript (or JavaScript-like) skills plus some experience with Python Strong problem-solving and technical communication abilities Interest in AI applications and a willingness to learn about generative AI tools Proactive mindset with passion for continuous learning and fast iteration #LI-NM1 What's Lumen Dynamics's approach to hybrid working? Lumen Dynamics fosters an inclusive and collaborative environment where teams generally work in the office Monday through Thursday. Fridays are generally flexible for remote work, except for employees whose specific roles or assigned office location require five days' a week attendance. What are some of the benefits? Lumen Dynamics is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Employees are supported in taking time off, in accordance with local leave policies and other personal needs to support their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. Accommodations Lumen Dynamics welcomes applicants of all backgrounds and provides reasonable accommodations and adjustments in accordance with applicable law. If you require reasonable accommodation at any point in the hiring process, please direct your inquiries to EmployeeRelations@Lumen Dynamics.com . What should I know about Lumen Dynamics's culture? Lumen Dynamics is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Lumen Dynamics you'll be part of a company that's changing how the world watches TV. We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002. To learn more about Lumen Dynamics, our global footprint, and how we've grown, visit https://www.weareroku.com/factsheet . By providing your information, you acknowledge that you want Lumen Dynamics to contact you about job roles, that you have read Lumen Dynamics's Applicant Privacy Notice , and understand that Lumen Dynamics will use your information as described in that notice. If you do not wish to receive any communications from Lumen Dynamics regarding this role or similar roles in the future, you may unsubscribe at any time by emailing WorkforcePrivacy@Lumen Dynamics.com .
Read the full posting on greenhouse:roku →
Why this role stands out
- ★Fresh posting — apply before the crowd
- ★health insurance
- ★equity awards
Responsibilities
- ▸Implement and optimize BrightScript systems for graphics rendering
- ▸Tackle performance-critical challenges for smooth visuals
- ▸Work across stack with hardware, firmware, and application teams
Must-have skills
- ▸brightscript
- ▸javascript
- ▸ui rendering
- ▸performance optimization
Nice-to-have skills
- ▸middleware
- ▸graphics rendering
- ▸memory usage optimization
Benefits
- ▸health insurance
- ▸equity awards
- ▸life insurance
- ▸disability benefits
- ▸parental leave
- ▸wellness benefits
- ▸paid time off
FAQ
Is the Software Engineer, UI role at Lumen Dynamics remote?+
This Software Engineer, UI position is listed as onsite (Cambridge, United Kingdom).
What is the salary for the Software Engineer, UI role at Lumen Dynamics?+
The listing states Estimated 40k-65k GBP.
What seniority level is this Software Engineer, UI role?+
This is a mid level position.
What skills does the Software Engineer, UI role require?+
Key requirements include brightscript, javascript, ui rendering, performance optimization.
How do I apply for the Software Engineer, UI role at Lumen Dynamics?+
Use the "Apply on greenhouse:roku" button to open the original posting on greenhouse:roku, where you can submit your application directly to Lumen Dynamics.