Senior Software Engineer, Application Security

Roku
Cambridge, United KingdomPosted 24 February 2026

Job Description

<div class="content-intro"><h2 style="font-family: GothamBold,Helvetica,Arial,sans-serif; color: #662d91;">Teamwork makes the stream work.</h2> <p> </p> <h3 style="font-family: GothamBold,Helvetica,Arial,sans-serif;"><strong>Roku is changing how the world watches TV</strong></h3> <p>Roku 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. Roku 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.</p> <p>From your first day at Roku, 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.</p> <p> </p></div><h3><strong>About the Role</strong> </h3> <p><span data-contrast="none">As a Senior Security Engineer, Cloud, on the Advanced Development team, your role involves architecting, designing, and implementing end-to-end security controls to impact the global user base. A key focus is on developing automated, scalable security solutions to enhance efficiency and protect Roku. This position requires expertise in designing and implementing secure cloud infrastructure and platforms.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335557856":16777215,"335559738":0,"335559739":168,"335559740":360}"> </span></p> <p> </p> <h3><strong>About the team </strong></h3> <p><span data-contrast="none">The Advanced Development organisation pushes beyond the boundaries of product lines to build new things. We think independently of standard shipping cadences and timelines, working on foundational technologies that will impact every Roku device in the future, and on ideas that no one has seen before in their living room. As this is an exceptional team, we are seeking unusual talent. As part of Advanced Development, the Developer Experience team specifically focuses on driving internal changes in tooling to improve developer satisfaction and productivity. The team listens to their customers, determines the most impactful opportunities and executes on delivering those changes. The team works in technologies including modern Linux embedded C++, CI systems, complex AWS cloud backend systems, and web platforms.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335557856":16777215,"335559738":0,"335559739":168,"335559740":360}"> </span></p> <p> </p> <h3><strong>What you will be doing</strong></h3> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Using your prior knowledge of Terraform, Kubernetes, Linux, and Native AWS components to securely design and deploy virtual devices for partner collaboration, utilizing best practices to minimize costs, ensure protection of intellectual property, and maximize reliability.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":240,"335559739":240}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">Perform upgrades and deployments of software via infrastructure as code using Terraform to ensure auditability and consistency from release to release. </span><span data-ccp-props="{"134 ... (truncated, view full listing at source)
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