Senior Systems Engineer (Software)

Join Roku, a leading streaming platform, as a Senior Software Engineer focused on enhancing our infrastructure, efficiency, and productivity. In this role, you will play a key part in architecting and developing innovative solutions that drive our technology forward. Collaborate with cross-functional teams to optimize system performance and ensure robust reliability in our services.

Collaboration Fuels Innovation. Roku is transforming the way the world experiences televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku aims to power every television globally. We pioneered streaming technology, and our mission is to be the ultimate platform connecting the entire TV ecosystem. We link consumers to their favorite content, enable publishers to grow and monetize vast audiences, and provide advertisers with unique engagement opportunities.From day one at Roku, your contributions will be significant and appreciated. Join our dynamic public company where every team member plays an active role. You’ll have the chance to inspire millions of TV viewers while gaining invaluable experience across diverse areas. About the Role We are developing a next-generation observability and cloud platform that is high-performance, cost-effective, secure, and scalable across multi-region, multi-cloud infrastructures. You will take the lead in architecting and evolving Roku’s observability and cloud infrastructure stack, which encompasses metrics, logs, traces, telemetry pipelines, service mesh, developer experience, and system reliability that support thousands of services and millions of devices. You will be instrumental in driving a vision where developers achieve profound visibility with minimal overhead, onboarding is effortless, and insights are accessible in real-time. Your contributions will directly empower Roku...

Join Harvard University as a Research Infrastructure and Software Engineer, where you will play a pivotal role in enhancing research capabilities through innovative software solutions. Collaborate with cross-functional teams to design, implement, and maintain robust infrastructure that supports diverse research initiatives. Your expertise will enable researchers to focus on their work while you ensure seamless access to data and resources.

Speechify’s mission is to remove reading barriers and open up learning opportunities for everyone. Our text-to-speech technology supports over 50 million users, turning PDFs, books, Google Docs, news articles, and websites into audio. This helps people read more efficiently and remember more. The product suite covers iOS, Android, Mac, a Chrome Extension, and a Web App. Speechify has earned recognition from Google as Chrome Extension of the Year and received Apple’s 2025 Design Award for Inclusivity. The team is fully distributed, with nearly 200 professionals from companies such as Amazon, Microsoft, and Google, as well as graduates from Stanford and other top universities. Speechify operates without physical offices. Role Overview This Software Engineer position sits within the AI team, focusing on data infrastructure and acquisition. The work spans all aspects of data collection to support model training. The role blends infrastructure, engineering, and research to help build high-quality datasets at petabyte scale, efficiently and cost-effectively. What You Will Do Identify and source new audio data to improve the data ingestion pipeline. Manage and expand cloud infrastructure for data ingestion, currently on Google Cloud Platform (GCP) and managed with Terraform. Work closely with scientists to improve data quality, throughput, and cost, supporting the development of future models. Collaborate with the AI team and leadership to plan and prioritize datasets for upcoming consumer and enterprise products. What We Look For BS, MS, or PhD in Computer Science or a related field. At least 5 years of professional software development experience. Strong skills in bash and Python scripting in Linux environments. Familiarity with Docker and Infrastructure-as-Code, with hands-on experience using a major cloud provider (GCP preferred). Experience with web crawlers and large-scale data processing is a plus. Comfort handling multiple priorities and shifting focus as needed. Clear verbal and written communication skills. Location: Cambridge, United Kingdom (fully remote/distributed team).

Role overview Speechify seeks a Software Engineer focused on Data Infrastructure & Acquisition for its Cambridge, MA office. This position centers on building and improving data pipelines, ensuring the platform’s information remains accurate and current. The work directly supports Speechify’s mission to empower people through technology. What you will do Develop and refine data pipelines with an emphasis on reliability and efficiency Collaborate with team members to strengthen the platform’s data architecture Contribute to solutions that enhance data delivery throughout the platform Collaboration This role involves close partnership with engineers and other colleagues to advance Speechify’s data systems and foster ongoing innovation.

Join the Redgate Software TeamAt Redgate, we specialize in developing innovative and user-friendly software solutions that empower data professionals to maximize the value of their databases. Our products address intricate database management issues throughout the DevOps lifecycle, enhancing efficiency, minimizing errors, and safeguarding essential business data. The data community relies on Redgate to harmonize rapid market delivery, collaborative teamwork, and robust data protection.To learn more about our culture and work environment, explore the following links:· Redgate Software – Culture· Flexa Careers· Glassdoor· RepVueYour Role:We are expanding our product management team and looking for experienced Senior Product Managers to drive our long-term vision and growth across various business sectors.In this role, you will oversee the complete product lifecycle, from formulating product strategy and inception to successful commercialization and eventual product retirement. You'll collaborate with senior stakeholders to define and implement the product vision and direction.Recognizing the significance of work-life balance, Redgate has embraced a flexible hybrid model, seeking candidates located near our Cambridge, UK office.Your Contributions at Redgate Software:· Formulate the strategy for a product or significant product area, crafting a compelling vision that addresses real customer challenges and includes comprehensive commercial plans, ensuring effective communication and implementation of the strategy organization-wide.· Collaborate with the Chief Product Officer and Group Product Managers to ensure products meet key objectives and align with the company's direction, taking ownership of initiatives that enhance outcomes.· Take charge of Redgate’s commercial outcomes and customer success, proactively identifying and executing improvements.· Work together with other Product Managers to ensure coherence in product strategy and execution.

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 Luminance, a trailblazer in Legal-Grade™ AI for enterprises, and seize the opportunity to shape the future of the legal profession globally. With significant backing from prestigious venture capitalists and recognition in Forbes AI 50 and Inc. 5000, our innovative solutions are transforming legal practices worldwide.We are looking for a seasoned IT Infrastructure & Network Engineer to take ownership of enhancing Luminance’s corporate infrastructure. This includes responsibilities for networking, identity management, firewalls, and hybrid cloud services.In this hands-on engineering role, you will focus on creating secure, reliable, and efficient enterprise IT systems that facilitate our internal operations. You will collaborate closely with the Security and Platform teams to ensure our infrastructure is robust, secure, and scalable.

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 Fuels Our Innovation. Join Roku, Revolutionizing Television ViewingRoku stands as the leading TV streaming platform across the U.S., Canada, and Mexico, with aspirations of transforming every television globally. As pioneers in TV streaming, our mission is to serve as the platform that unites the entire TV ecosystem, linking consumers to beloved content, enabling publishers to cultivate and monetize extensive audiences, and equipping advertisers with unique tools for consumer engagement.From day one at Roku, your contributions will be recognized and valued. We are a fast-evolving public company where every team member plays a significant role. Embrace the opportunity to delight millions of TV streamers globally while gaining invaluable experience across diverse disciplines. Role Overview At Roku, you will work on a platform utilized by real users. Showcase your achievements to friends and family, and see your work in leading electronics retailers.As a senior member of the Roku Core OS team, you will take part in designing and developing the core/system components of Roku OS. We seek a senior software engineer with profound expertise in embedded Linux development and integration.Roku boasts a proven history of creating successful products based on value SoCs, relying on our talented software engineers to optimize limited resources.We genuinely mean it when we say that Roku is a place where everyone contributes. If you aspire to work with top talent, developing products used by millions, and thrive in a tech culture that excels, we invite you to contact us. Join us in creating the next generation of cost-effective streaming players and TVs for our customers. Your Responsibilities Design and develop OS features within a multi-process environment that prioritize speed, efficiency, and platform flexibility.Exhibit excellence in C++ development to deliver high-performance and ultra-reliable software, focusing on optimization, performance, and memory management.Implement features with the necessary abstractions to ensure compatibility across various hardware.

Join Redgate Software as a Product Security Engineer!At Redgate, we develop innovative, user-friendly software solutions that empower data professionals to maximize the value of their databases. Our products address intricate database management issues throughout the DevOps lifecycle, enhancing efficiency, minimizing errors, and safeguarding critical business data. The data community places its trust in Redgate to effectively balance speed to market, teamwork, and data security.Explore more about our vibrant culture and commitments:Redgate Software – CultureFlexa CareersGlassdoorRepVueYour RoleAs a vital member of our team, you will integrate security into the software development lifecycle across various product teams. Your responsibilities will include defining security requirements, enhancing detection and prevention mechanisms (SAST/DAST), guiding teams on application security governance, and conducting threat modeling.Your Contributions at RedgateCollaborate with engineering and product teams to define and operationalize security requirements throughout the SDLC, from design to deployment.Conduct audits of application code to identify weaknesses and vulnerabilities.Lead or co-lead application security governance practices, including secure-by-default standards, patterns, guardrails, and risk acceptance processes.Promote SAST/DAST adoption and ensure high-quality outcomes through tool tuning, triage workflows, severity calibration, and fix-forward practices.Facilitate the implementation of threat modeling for new features, architectural changes, and high-risk services, transforming findings into actionable engineering tasks.Offer guidance on product security within cloud-native environments (AWS and containerized workloads), focusing on secure service design.

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.

KAYAK, a proud member of Booking Holdings (NASDAQ: BKNG), stands as a premier travel search engine, processing billions of queries to assist customers in discovering their ideal flight, accommodation, rental car, and vacation package. Our innovative corporate travel solution, KAYAK for Business, is redefining business travel.Joining KAYAK means becoming part of a dynamic travel organization that encompasses a variety of global metasearch brands, including momondo, Cheapflights, and HotelsCombined. Our journey from a startup to an industry frontrunner is fueled by innovation, and every team member is empowered to leave their mark. Our mission is to develop the most effective travel search engine, simplifying global exploration for everyone.We are seeking talented Java Backend Engineers to enhance and sustain KAYAK’s search and booking systems. If you are passionate about travel and committed to crafting reliable and user-friendly experiences, we invite you to apply.This position requires in-office work at our Cambridge, MA location at least 3 days a week.

Your Contribution at Lila Sciences Be a part of our mission to revolutionize science! We are on the lookout for a skilled Senior Backend Software Engineer to become a vital member of our software platform team. In this role, you will work alongside talented software engineers, laboratory scientists, and machine learning engineers to develop advanced tools for automated scientific analysis and beyond. Your focus will be on Python development, web services, and data engineering, creating impactful scientific applications. If you excel in a dynamic, collaborative environment and advocate for best practices in git, development workflows, and user-centered design, we invite you to apply! Your Projects Service Design & Development: Craft and build high-performance, secure, and well-documented code that seamlessly integrates with our existing services and applications. System Optimization: Identify and resolve system bottlenecks, ensuring high availability and low-latency performance across extensive workloads. Cloud Infrastructure: Utilize AWS services, Kubernetes, and modern DevOps methodologies to construct and deploy scalable production-grade systems. Collaborative Integration: Partner with ML researchers, engineers, and scientists to incorporate data pipelines, APIs, and cloud infrastructure into scientific workflows and services.

Join our innovative team at ttp1 as a Senior Software Engineer. In this pivotal role, you will leverage your technical expertise to drive software development projects that push the boundaries of technology. Collaborate with interdisciplinary teams to design, implement, and optimize cutting-edge software solutions that meet our clients' needs.

At Cambridge Mobile Telematics (CMT), we are leading the charge in telematics solutions, dedicated to enhancing road safety globally. Our innovative AI-driven platform, DriveWell Fusion®, integrates sensor data from millions of IoT devices—ranging from smartphones and proprietary Tags to connected vehicles and dashcams—along with contextual data to provide a comprehensive view of vehicle and driver behavior. Our insights empower auto insurers, automakers, commercial mobility companies, and public sector organizations to improve risk assessment, safety measures, claims processes, and driver enhancement programs. With our headquarters based in Cambridge, MA, and additional offices in Budapest, Chennai, Seattle, Tokyo, and Zagreb, we protect and support millions of drivers worldwide each day.As a Senior Full Stack Software Engineer, you will play a pivotal role in designing, developing, and maintaining scalable web applications that fuel our telematics platform. You will navigate the entire tech stack, crafting intuitive user interfaces and robust backend systems while collaborating closely with product, design, and data teams. This dynamic role is ideal for a hands-on engineer who thrives in a fast-paced environment, fosters mentorship, and possesses a strong sense of ownership and curiosity. Your contributions will significantly impact user experience with CMT’s products, reinforcing our mission to enhance road safety globally.CMT seeks a highly collaborative, customer-focused, and innovative Senior Full Stack Software Engineer who is eager to join us in making roads safer by empowering drivers!

Teamwork makes the stream work. Join Roku in Revolutionizing TV ViewingRoku stands as the leading TV streaming platform across the U.S., Canada, and Mexico, with a vision to power every television globally. As pioneers in streaming technology, our mission is to connect the entire TV ecosystem. We bridge consumers with their favorite content, empower publishers to grow and monetize their audiences, and offer advertisers unique opportunities to engage viewers.Your journey with Roku begins with a meaningful contribution. As a rapidly expanding public company, we value proactive team members who thrive in a dynamic environment. Here, you will have the chance to delight millions of global TV streamers while gaining invaluable experience across diverse disciplines. About the TeamThe International TV Software team at Roku is dedicated to developing and delivering innovative software solutions for television platforms in international markets, particularly in Europe and Australia. Collaborating closely with SOC partners, the team aims to introduce new TV products, ensure compliance with regional broadcast standards, and support certification with organizations such as ETV, the BBC, and DTG. As a cross-functional team, we value engineers who are curious, adaptable, and eager to explore the complexities of the systems they work on.Your Role at RokuAs a Senior Software Engineer on the Regional TV Software team, you will play a pivotal role in developing and delivering software for regional TV platforms. Your responsibilities will include working on new TV platform initiatives, collaborating with SOC vendors, supporting certification processes with UK and European broadcasting organizations, and defining new software features. This position offers an excellent opportunity for engineers looking to advance their careers in a complex software environment.Your ResponsibilitiesDevelop and maintain software for regional TV platforms, focusing on European and Australian markets.Collaborate with SOC vendors and broadcasting organizations to ensure compliance and certification.Contribute to the design and implementation of new software features.

Join Harvard University as a Senior Research Software Engineer, where you will play a pivotal role in advancing research through innovative software solutions. You will collaborate with researchers across various disciplines, design scalable systems, and contribute to cutting-edge projects that impact the academic community and beyond.