Senior Systems Engineer (Software)

Teamwork makes the stream work. Roku is revolutionizing the way the world consumes televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to power every television globally. With a pioneering spirit in streaming, we aim to create a comprehensive TV ecosystem connecting viewers with their favorite content, empower…

Teamwork makes the stream work. Join Roku in Revolutionizing TV StreamingRoku is the leading TV streaming platform across the U.S., Canada, and Mexico. We are on a mission to empower every television worldwide. As pioneers in streaming technology, we connect viewers with the content they adore, enable publishers to grow and monetize their audiences, and equip advertisers with unique tools to engage consumers effectively.Your journey at Roku begins with you making significant contributions from day one. As a rapidly growing public company, we ensure that every team member plays an active role. Here, you will have the chance to delight millions of TV streamers globally while acquiring invaluable experience across various fields. About the TeamAt Roku, our Device Monetization and Themed Experiences (DMTE) team, part of the Advertising organization, is where we create the magic behind the scenes. We are the engineers responsible for developing high-performance graphics and UI foundations that drive the FRAME engine, enabling seamless and visually stunning experiences on millions of devices worldwide. Our contributions are vital, impacting user interactions every time they navigate menus, view animated ads, or engage with custom content for the latest TV shows and movies. We embrace tackling complex technical challenges—optimizing UI rendering and refining memory usage—using BrightScript or JavaScript-like languages to deliver robust, high-performance solutions. We thrive in a collaborative, trust-oriented environment where innovative ideas can originate from anywhere, working closely with firmware, UI, and product teams to ensure our platform is fast, reliable, and poised for the next wave of streaming innovation. If you are passionate about building the invisible frameworks that create exceptional user experiences, this is the place for you. About the RoleAs a Senior Software Engineer within the DMTE team, you will be integral to Roku's platform innovation, responsible for designing, implementing, and enhancing cutting-edge UI solutions.

Teamwork makes the stream work. Join Roku as we transform the way the world experiences television!Roku is the leading TV streaming platform in the U.S., Canada, and Mexico, with a vision to power every television globally. We have revolutionized streaming to the TV and our goal is to connect consumers with the content they love while providing robust tools to content publishers and unique engagement opportunities for advertisers.From day one at Roku, you’ll be a vital part of our mission. We are a rapidly growing public company where every team member's contributions are recognized. This is your chance to delight millions of TV streamers worldwide while gaining invaluable experience across various fields. About the TeamThis team focuses on enhancing the UI framework and components that shape the Roku user experience. Our roadmap is designed to accelerate growth and scalability, delivering innovative features to millions of Roku users globally.Our developers and engineers take ownership of their projects, driven by an internal motivation to tackle challenges. Collaboration is key, as they work alongside different engineering teams, UI designers, product teams, and business leaders. Here, engineers thrive by balancing independent initiative with teamwork, driving innovation in the streaming media landscape. About the RoleAs a Software Engineer specializing in UI Infrastructure, you will play a pivotal role in advancing our embedded UI framework. Collaborating closely with system architects, you will develop and enhance features to boost system stability and performance. Additionally, you will create tools to support the wider development community at Roku. A demonstrated history of delivering high-quality software on embedded platforms is a key requirement for this role.

Collaborative Innovation for a Seamless Streaming Experience. Join Roku in Revolutionizing TelevisionRoku, the leading TV streaming platform across the U.S., Canada, and Mexico, is on a mission to power every television worldwide. As pioneers of streaming to the TV, we aim to connect consumers with their favorite content, empower content publishers to grow their audiences, and provide advertisers with unique tools to engage viewers.From day one, your contributions at Roku will be significant and cherished. As a fast-growing public company, we ensure that every team member plays an active role in delighting millions of TV streamers globally while gaining invaluable experience across diverse fields. About Our TeamOur team is dedicated to building and enhancing the UI framework and components that create remarkable Roku user experiences. Our roadmap is designed to accelerate growth and scalability, delivering exciting new features to tens of millions of Roku users worldwide.We empower our developers and engineers to take ownership of their projects, motivated to tackle challenges that need solutions. Collaboration with different engineering teams, product designers, and business leaders is key to our success, fostering an environment where independent thinkers thrive. Role OverviewAs a Senior Software Engineer focusing on UI Infrastructure, you will play a pivotal role in the ongoing development of our embedded UI framework. Collaborating closely with system architects, you will innovate new features and enhance existing functionalities to boost system stability and performance. Additionally, you will contribute to the development of tools that benefit the broader Roku development community. A solid history of delivering high-quality software on embedded platforms is required for this role. This is an excellent opportunity for a seasoned professional eager to shape the future of streaming media.

Teamwork makes the stream work. Join Roku in Transforming the TV ExperienceAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is dedicated to revolutionizing how the world consumes television. Our innovative technology connects users to beloved content and empowers publishers while providing advertisers with unmatched engagement opportunities.From day one, your contributions at Roku will be significant and appreciated. As a rapidly growing public company, we encourage active participation, offering you the chance to impact millions of households globally while gaining diverse experience across various technological disciplines. Position OverviewWith over 85 million active users, our products are celebrated for their ease of use and seamless integration. This excellence comes from our commitment to developing intuitive products that enhance the streaming experience. We are seeking a Senior Software Engineer focused on developing vital features for the Roku platform's user interface. Ideal candidates will have a proven track record in building high-performing applications and SDK components, eager to contribute to a widely recognized consumer electronics platform.This role is perfect for a seasoned professional who values visibility, thrives on making a critical business impact, and is excited to work on components that influence nearly every streaming experience on Roku. Team DynamicsOur team is dedicated to enhancing customer-centric features that elevate user experience across platforms, including device integration, TV and player-centric UI, and IoT functionalities with Roku OS. Our product roadmap is designed to facilitate growth and scalability, continuously delivering innovative features to millions of Roku users worldwide.

Teamwork makes the stream work. Roku is revolutionizing the way the world experiences televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is dedicated to powering every television globally. We pioneered the streaming experience and are on a mission to connect the entire TV ecosystem. We link consumers to their favorite content, empower publishers to build and monetize vast audiences, and offer advertisers unparalleled opportunities to engage viewers.Your journey at Roku begins with impactful contributions. As a rapidly expanding public company, every team member plays a vital role. Join us in delighting millions of TV streamers worldwide while gaining invaluable experience across diverse fields. About This TeamThe Embedded teams focus on device firmware, platform features, and the integration of system-on-chip (SoC) components, emphasizing reliability, performance, and seamless user experiences across devices and TVs. About the InternshipJoin Roku’s embedded software team as a Software Engineer Intern, where your enthusiasm for technology and creativity will be pivotal to our success. This paid internship lasts for 12 weeks, starting in Summer 2026.As an Embedded Software Engineer Intern, you will tackle a specific project that enhances our embedded stack, such as implementing a new feature, improving performance, or developing automation enhancements to ensure the delivery of high-quality software across devices. Your ResponsibilitiesLead a project in the embedded sphere; possible tasks include implementing a feature, optimizing memory/performance, or creating automated tests for a system module.Utilize C++ on Linux-based systems; employ debugging and analysis tools to reproduce, isolate, and resolve issues.Collaborate with engineers across firmware, platform services, and quality assurance to ensure reliable delivery. Preferred QualificationsCurrently pursuing a degree in Computer Science, Engineering, or a related field.Proficiency in C++ (experience with modern C++ is a significant advantage).Familiarity with development and debugging on Linux-based embedded platforms.

Senior Embedded Software Engineer (Firmware)Location: Cambridge, UK | Employment Type: Full-time | Job Type: Permanent | Work Arrangement: HybridSalary: £70,000 to £90,000 based on experience.The salary range is flexible, as we welcome candidates with varying levels of experience. Offers will be tailored to reflect individual experience, industry background, transferable skills, and notable achievements.Candidates are encouraged to specify their preferred working schedule in their cover letter.

Nuclera is a venture-backed biotech company headquartered in Cambridge, UK, with additional operations in Boston, USA. The team focuses on accelerating scientific discovery by making functional proteins more accessible for drug discovery research. Nuclera’s eProtein Discovery™ benchtop system helps research labs optimize protein expression and purification workflows. Role overview The Senior Embedded Software Engineer will help shape the next generation of Nuclera’s instrument platform. This role covers the full spectrum of embedded systems work, from low-level hardware control to higher-level application features. The position suits an engineer comfortable moving between bare-metal firmware, RTOS, and embedded Linux environments. What you will do Design and implement embedded software for complex scientific instruments Work on both hardware-level interactions and user-facing application logic Contribute to a system that must be reliable, scalable, and high-performing Collaborate across hardware, software, and scientific teams to deliver integrated solutions What we are looking for Experience with bare-metal firmware development Background working with RTOS and embedded Linux Ability to design and execute embedded systems for scientific or technical products Versatility to work across different layers of the embedded stack Location This position is based in Cambridge, England, United Kingdom.

Teamwork makes the stream work. Roku is transforming the way the world engages with television.As the leading TV streaming platform across the U.S., Canada, and Mexico, Roku is on a mission to empower every television globally. We were pioneers in TV streaming and aim to connect the entire TV ecosystem. Our platform links viewers to beloved content, assists content creators in building substantial audiences, and offers advertisers unique tools to engage with consumers.From day one at Roku, your contributions will be impactful and appreciated. We are a rapidly growing public company where every team member plays a crucial role. You'll have the chance to delight millions of TV streamers worldwide while gaining valuable experience across diverse areas. About the TeamJoin the Device Monetization and Themed Experiences (DMTE) team within our Advertising organization, where the magic happens behind the scenes. We develop high-performance graphics and UI frameworks that power the FRAME engine, the backbone of Roku's fluid and visually captivating experiences across millions of devices globally. Our impact is felt whenever a user navigates a menu, interacts with animated ads, or enjoys a custom experience promoting the latest shows or movies. We thrive on tackling technical challenges, from optimizing UI rendering to refining memory usage, utilizing BrightScript (or a JavaScript-like language) to deliver robust, high-performance solutions. In our collaborative, high-trust environment, innovative ideas are welcomed from all team members as we partner closely with firmware, UI, and product teams to ensure our platform remains fast, reliable, and poised for the next wave of streaming innovation. If you are passionate about creating the unseen foundations that enable exceptional user experiences, this is the team for you. About the RoleAs a Software Engineer on the DMTE team, you will drive Roku's platform innovation by implementing and optimizing BrightScript (or JavaScript-like) systems, contributing to the seamless user experience we offer.

Teamwork makes the stream work. Join Roku and be part of a transformative journey in television.As the leading TV streaming platform across the U.S., Canada, and Mexico, Roku is on a mission to revolutionize how the world experiences television. Our pioneering technology connects viewers to their favorite content while empowering content publishers to cultivate and monetize vast audiences. Additionally, we provide advertisers with unparalleled tools for consumer engagement.From your very first day at Roku, you will play a crucial role in shaping the future of streaming. We are a dynamic public company where your contributions will be recognized and celebrated. This is your opportunity to impact the lives of millions of TV streamers globally while gaining invaluable experience across various disciplines. About the TeamAt Roku, we are at the forefront of television innovation. Our success in shaping the future of streaming media is driven by talented embedded software engineers like you, who will join the Roku OS, OS Extensions, and Apps Team. About the RoleIn this position, you will be an integral part of a team dedicated to developing core features that facilitate streaming applications such as Netflix, YouTube, and BBC on the Roku platform. This role will leverage your expertise in NDK development, DRM, browser technologies, audio-video streaming standards, and optimization of graphics and application performance within embedded systems. The features and performance enhancements you deliver will impact millions of users daily. This is an excellent opportunity for a seasoned professional with innovative solutions for complex challenges, capable of translating concepts into highly reliable software.

Teamwork Makes the Stream Work. Roku is Revolutionizing Television ViewingAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku aims to power every television worldwide. We pioneered the streaming revolution and our mission is to be the connective tissue of the entire TV ecosystem. We link consumers with beloved content, empower publishers to cultivate and monetize audiences, and provide advertisers unique ways to engage viewers.From your first day at Roku, you will contribute significantly and feel valued. As a rapidly growing public entity, we encourage active participation—no one is just a bystander. You have the opportunity to enchant millions of TV streamers globally while gaining substantial experience across various disciplines. About the TeamThe UI team at Roku builds the essential frameworks, tools, and high-performance UI components that enhance experiences across millions of devices. We manage the middleware and UI layers that facilitate seamless navigation, responsive interactions, stunning animations, and consistent workflows for developers across our platform.Our focus encompasses graphics rendering, layout and animation systems, performance optimization, and developer APIs, all aimed at enabling the creation of reliable, visually appealing applications on a large scale. We thrive in a collaborative, high-trust environment, working closely with firmware, platform, and product teams to ensure a swift, robust, and future-ready user experience. About the RoleIn your position as a Senior Software Engineer on the UI team, you will design, develop, and optimize systems that are foundational to Roku’s user experience and developer platform. You will work on performance-critical code paths across graphics rendering, animation, layout, and UI frameworks, ensuring fluid visuals and highly responsive interactions across a diverse array of devices.You will be instrumental in defining core architectural decisions that will shape the future of our UI systems.

Teamwork Makes the Stream Work. Roku is Transforming the Way the World Engages with TelevisionRoku stands as the leading TV streaming platform across the U.S., Canada, and Mexico, with aspirations to power every television globally. We pioneered the streaming revolution, and our mission is to connect the entire TV ecosystem by linking consumers to their favorite content, enabling content publishers to build and monetize extensive audiences, and providing advertisers with unique tools to engage consumers effectively.From your very first day at Roku, you will make a significant and valued impact. As a rapidly growing public company, we empower every team member to contribute meaningfully. Join us in delighting millions of TV streamers worldwide while gaining valuable experience across various disciplines. About the TeamThis team focuses on enhancing customer-centric features that elevate user experience—from content discovery and search to Roku Pay, subscriptions, embedded software, and firmware. Our product roadmap accelerates growth and scalability, introducing exciting new features to millions of Roku users worldwide.Our developers and engineers are empowered owners, driven from within to tackle features or projects that need resolution. Success here stems from collaboration across engineering teams, UI design, product management, and business leadership, allowing individual independence to flourish in a deeply cooperative environment. We are pragmatic innovators, continually redefining the streaming media landscape. About the RoleAs a leading force in the streaming domain, Roku continues to innovate and shape the future of television and digital streaming. Your role as a Senior Software Engineer will involve substantial contributions to our embedded UI development and algorithm implementation for sophisticated features, enhancing user intuitiveness and supporting the platform's underlying architecture. You will be wo...

Collaboration Fuels Innovation. Transforming the Future of TelevisionRoku is recognized as the leading TV streaming platform across the U.S., Canada, and Mexico, with ambitions to revolutionize how viewers engage with television worldwide. We were pioneers in bringing streaming technology to TVs, and our goal is to serve as the ultimate TV streaming platform that bridges the entire television ecosystem. We connect viewers with their favorite content, empower publishers to grow and monetize their audiences, and offer advertisers unparalleled tools to reach consumers.From day one at Roku, you will be an integral part of our mission. We are a rapidly expanding publicly traded company where every voice matters. You will have the chance to delight millions of viewers while acquiring valuable experience across diverse disciplines. Join Our Innovative UI TeamOur UI team at Roku is responsible for creating the fundamental frameworks, tools, and high-performance UI components that enhance user experiences across millions of devices. We manage the middleware and UI layers that facilitate seamless navigation, responsive interactions, rich animations, and consistent developer workflows across our platform. Our responsibilities encompass graphics rendering, layout and animation systems, performance optimization, and developer APIs that simplify the creation of reliable and visually appealing applications at scale. We thrive in a collaborative, high-trust environment, partnering closely with firmware, platform, and product teams to ensure a fast, robust end-to-end experience. Your RoleAs a Senior Software Engineer on the UI team, you will design, implement, and optimize the systems that form the backbone of Roku's user experience and developer platform. You will work on performance-critical code paths related to graphics rendering, animation, layout, and UI frameworks, ensuring smooth visuals and immediate responsiveness across various devices. You will help define the core architecture, collaborate across the technology stack with hardware, firmware, and application teams, and witness the direct impact of your work on tens of millions of users. This role is perfect for engineers who are passionate about solving complex technical challenges and prioritize performance and user experience.

Collaboration Fuels Innovation at Roku. Join Roku, a Leader in Television Streaming TechnologyRoku is the premier TV streaming platform across the U.S., Canada, and Mexico, with a vision to enhance every television worldwide. We were the pioneers in streaming technology, and our goal is to serve as the central hub for the entire TV ecosystem. We connect viewers to their favorite content, empower content creators to reach vast audiences, and offer advertisers unmatched engagement opportunities.From day one at Roku, your contributions will be impactful and recognized. As a rapidly growing public company, we ensure that every team member plays an essential role. You will have the chance to enrich the experience of millions of TV viewers globally while acquiring valuable expertise across various fields. About the TeamThe UI Systems team at Roku is responsible for developing high-performance engines and foundational graphics infrastructure that power millions of devices. We manage the low-level C++ frameworks, rendering pipelines, and system architectures that facilitate seamless navigation and dynamic animations. Our work sits at the intersection of hardware and software, where we optimize graphics rendering, memory management, and layout engines to deliver a consistently fast experience across our device range. We foster a collaborative, high-trust environment, working closely with firmware and silicon teams to push the limits of embedded hardware capabilities.About the RoleAs a Senior Software Engineer, you will play a crucial role in architecting the core systems that enhance Roku's user experience. You will design and develop performance-critical code within our UI engine, focusing on graphics primitives, memory efficiency, and hardware acceleration. This position involves addressing complex systems-level challenges, including optimizing frame rates on resource-constrained hardware and creating robust APIs for higher-level frameworks. This role is perfect for engineers passionate about low-level systems programming, with a keen interest in performance metrics and a desire to innovate the future of television.Your ResponsibilitiesArchitect and optimize core C++ UI frameworks for Roku devices.

Location: Cambridge, MA (Eastern Time / UTC -4)Relocation package: AvailableStart date: ASAPLanguages: English (required)About the RoleAt Pragmatike, we're on the lookout for a talented Senior UI / Frontend Engineer to join a dynamic AI startup that has been recognized as one of the Top 10 GenAI Companies by GTM Capital. Founded by esteemed researchers from MIT CSAIL, our team is dedicated to delivering cutting-edge AI solutions.In this role, you will leverage your extensive experience in developing high-quality, high-performance user interfaces tailored for complex, data-rich AI products utilized by Fortune 500 clients. This position is perfect for an engineer who places a premium on User Experience (UX), performance, and sustainable frontend architecture. You will take ownership of features from inception to deployment, collaborating closely with design and backend teams to produce polished, production-ready interfaces that scale effectively.Your ResponsibilitiesDesign and maintain modern, production-ready web interfaces utilizing React and TypeScript.Transform product specifications and design systems into clean, scalable UI components.Oversee the development of complex frontend features, managing everything from implementation to production support.Enhance UI performance for large datasets, real-time updates, and high-traffic dashboards.Work collaboratively with product, design, and backend teams to deliver user-facing features.Establish frontend best practices concerning state management, testing, and code quality.Advance frontend architecture, tooling, and developer experience.Troubleshoot and resolve production UI issues across various browsers and devices.QualificationsMinimum of 5 years of experience as a Frontend / UI Engineer.Demonstrated expertise with React and TypeScript in live production environments.Deep understanding of modern frontend architecture and component-based design principles.Proven experience in creating responsive, accessible, and high-performing user interfaces.Familiarity with frontend build tools, bundlers, and CI/CD processes.Ability to work effectively in a fast-paced, collaborative environment.

Collaborate to Innovate in Streaming. Join Roku in Shaping the Future of TelevisionRoku, the leading TV streaming platform across the U.S., Canada, and Mexico, is on a mission to connect every television around the globe. As pioneers in the streaming industry, we empower consumers to access their favorite content, assist publishers in expanding their audience, and offer advertisers unique engagement opportunities.From your first day, you’ll play a crucial role at Roku, a dynamic public company where every voice matters. Experience the excitement of delighting millions of global TV streamers while gaining invaluable experience across various domains. About the TeamOur team focuses on developing and enhancing the UI framework and components that drive Roku's user experiences. Our strategic roadmap accelerates growth and scalability, delivering innovative features to tens of millions of Roku users worldwide.At Roku, our developers and engineers take ownership of their projects, driven by an intrinsic motivation to solve problems and deliver results. Collaboration with different engineering teams, UI design, product management, and business leaders is key to our success, creating an environment where independent spirit thrives alongside teamwork. We are innovators redefining the streaming media landscape. About the RoleAs a Senior Software Engineer specializing in UI Infrastructure, you will significantly contribute to the development of our embedded UI framework. Collaborating closely with system architects, you will create new features and enhance existing ones to boost system stability and performance. Additionally, you will be instrumental in developing tools that benefit the broader development community at Roku. Your proven success in delivering high-quality software on embedded platforms will be essential to our ongoing innovation.

Join Riverlane as a Senior Software Engineer specializing in modelling, where you will leverage your expertise to develop cutting-edge software solutions. In this role, you will collaborate with a talented team of engineers and scientists to innovate and optimize our modelling capabilities. Your contributions will drive the advancement of technology in a dynamic and supportive environment.

Collaboration is Key to Innovation. Join Roku in Transforming the Television ExperienceRoku stands as the leading TV streaming platform in the U.S., Canada, and Mexico, with ambitions to empower televisions globally. As pioneers in TV streaming technology, our mission is to connect the entire television ecosystem. We bridge viewers to their favorite content, assist content publishers in growing their audiences, and offer advertisers innovative ways to connect with consumers.Your journey with Roku begins with a significant contribution from day one. As a rapidly expanding public company, we ensure that all team members are engaged participants. Here, you can delight millions of TV streamers worldwide while gaining invaluable experience across diverse disciplines. About the TeamOur distributed team spans multiple continents and time zones, dedicated to crafting high-quality software releases for Roku’s latest player devices. We thrive on agility and have a strong commitment to creating user-friendly and enjoyable products. As an intern, you will be treated as a valued contributor, collaborating with engineers, QA experts, product managers, and other stakeholders, with ample support through mentorship, feedback, and structured onboarding. Position OverviewThis internship is ideally suited for students entering their Placement Year with an interest in embedded software development and software quality. You will play a crucial role in enhancing product quality and developer productivity by contributing to automated testing, troubleshooting issues, and optimizing testing processes for C/C++ applications on embedded/Linux-based systems.

Join Engine as a Senior Associate in Community OperationsAt Engine, we empower visionary founders who are tackling the world's most critical challenges in areas such as climate change, health, and advanced technologies. Our commitment includes providing robust support through founder programs, access to shared infrastructure and labs, and the opportunity to connect with a diverse national network of corporate partners, investors, and industry experts.

Teamwork makes the stream work. Join Roku in transforming the way the world experiences televisionAs the leading TV streaming platform across the U.S., Canada, and Mexico, Roku is dedicated to revolutionizing the viewing experience for people everywhere. We have pioneered streaming technology and seek to unify the TV ecosystem, connecting viewers with their favorite content while empowering content creators to reach vast audiences and providing advertisers with innovative engagement tools.From day one at Roku, you will make significant contributions in a thriving public company where every team member plays an essential role. This is an opportunity to impact millions of TV streamers globally while acquiring valuable experience across various fields. About the RoleIn this senior software engineering position, you will be responsible for the architecture, design, implementation, and testing of the run-time and native renderer components of Roku's innovative software development kit (SDK). Collaborate closely with fellow engineers who focus on the higher-level scripting elements of the SDK.At Roku, we take pride in creating software and features that function seamlessly on both our oldest and newest devices. Hence, it's crucial that the SDK is designed to operate efficiently even on devices with minimal system resources like RAM, Flash memory, and CPU. What you’ll be doingArchitecting, designing, implementing, and testing the run-time and native renderer of Roku's SDK.