Senior Software Engineer - Python (Tools Development)

Role Overview Roku, Inc. is hiring a Senior Software Engineer - Python (Tools Development) based in Cambridge, United Kingdom. As a leader in TV streaming across the U.S., Canada, and Mexico, Roku aims to power every television worldwide. The company connects viewers with content they love and helps publishers and advertisers reach broad audiences. This role sits within the Automation Support and Tools team. The team develops tools that boost the productivity and efficiency of Roku’s engineering groups, ensuring seamless integration across streaming platforms and smart home devices. Every contribution has a direct impact on millions of TV streamers globally. About the Team The Automation Support and Tools team is known for building solutions that work intuitively and reliably. The group focuses on creating and maintaining tools that support engineering teams, helping Roku products fit smoothly into connected home experiences. What You Will Do Design, build, and maintain automation frameworks and tools for embedded software devices. Support internal teams by developing software tools that streamline testing and product management across Roku’s lineup. Work closely with stakeholders to expand and enhance automation toolkits, adding new features and capabilities. Collaborate across teams to refine and innovate automation frameworks, improving software release validation processes. Location This position is based in Cambridge, United Kingdom.

Teamwork makes the stream work. Join Roku: Transforming the Way the World Enjoys TVRoku stands as the premier TV streaming platform across the U.S., Canada, and Mexico, with an ambitious vision to power every television globally. As pioneers in the streaming realm, Roku's mission is to serve as the ultimate TV streaming platform, seamlessly connecting consumers to their favorite content while empowering publishers and advertisers alike.From your very first day at Roku, your contributions will be both significant and appreciated. We are a dynamic, rapidly growing public company where every team member plays a crucial role. Here, you'll have the opportunity to enchant millions of TV enthusiasts worldwide while gaining invaluable experience across diverse fields. Role OverviewWith millions of users globally, our products are renowned for their seamless functionality. This smooth user experience is a direct result of our unwavering commitment to developing not just intuitive but also incredibly user-friendly products. Central to this dedication is the Roku OS QA Team, which rigorously tests every product and feature to ensure we remain the most reliable streaming media platform available.Our mission is clear: to enable people to effortlessly discover and stream the content they adore. We achieve this by leveraging cutting-edge technology and engineering, always keeping the customer at the forefront of our initiatives. Team DynamicsAs a pivotal member of our team, you will utilize your diverse skill set to support both Software Engineers and QA Engineers, addressing the daily challenges they face. Your specialized knowledge will be essential in recommending enhancements that elevate quality and optimize workflows, ensuring we consistently surpass customer expectations.As a Senior Software Engineer in Test (SDET), you will be a transformative force, revolutionizing our testing methodologies. You will harness AI and advanced analytics to pinpoint quality gaps, design intelligent testing solutions, and set new benchmarks for testing effectiveness that transcend basic coverage metrics. Your ResponsibilitiesDesign and implement intelligent test analysis systems to identify quality gaps, forecast failure patterns, and enhance testing effectiveness.

Teamwork makes the stream work. 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 TV globally. We were pioneers in streaming technology, and our mission is to connect the entire TV ecosystem. We link consumers with the content they cherish, empower content creators to grow and monetize large audiences, and offer advertisers unique tools to engage effectively with viewers.From your very first day at Roku, you'll be a key player in our dynamic environment. We're a rapidly growing public company where every voice matters and contributions are recognized. You’ll have the chance to delight millions of TV streamers worldwide while acquiring valuable experience across multiple disciplines. About the RoleWith a global user base relying on our products, we've garnered a reputation for delivering products that simply work upon first use and integrate seamlessly. This level of excellence is no coincidence; it stems from our dedication to ensuring our products are not only user-friendly but intuitively obvious. To bolster this commitment, the Roku Ads Test Automation Team is dedicated to validating Ad products and features for the industry's most dependable streaming media platform. Our objective is to assist users in discovering content effortlessly and streamlining the streaming experience through cutting-edge technology and engineering, always prioritizing the customer.We are looking for a skilled and adaptable Software Development Engineer in Test to take ownership of the quality of ad features on the Roku Platform. You will spearhead the end-to-end execution of ad products, which includes collaborating across teams for feature testing, developing comprehensive test plans, coordinating testing with manual QA teams, devising automation strategies, and overseeing the deployment of libraries and features. You should be prepared to represent automation and QA perspectives in discussions with cross-functional project team members while providing insightful end-user feedback to enhance customer experiences. This role necessitates a solid grasp of the software development life cycle, proficiency in diverse testing methodologies, excellent debugging skills, strong written and organizational abilities, and extensive automation experience. About The TeamOur team is focused on qualifying all Ads products and features on the Roku Platform. You will join a high-performing group of SDETs with a proven track record of successful deliveries.

Your Impact at Lila Be a part of revolutionizing the scientific landscape! We are on the lookout for a Senior Full Stack Software Engineer to enhance our software platform team. In this role, you will partner with fellow software engineers, laboratory scientists, and machine learning experts to develop innovative tools aimed at streamlining automated scientific analyses. This position encompasses both web services and data engineering, with a robust focus on Python development tailored to scientific applications. If you excel in a collaborative, dynamic environment and apply best practices in version control, development workflows, and user-centered design, we encourage you to reach out! What You'll Be Building Design & Build Services and Front-ends: Create high-performance, secure, and well-documented code that seamlessly integrates with our existing ecosystem of services and applications. Performance & Reliability: Identify and rectify system bottlenecks, ensuring high availability and low-latency performance across extensive workloads. Cloud & Infrastructure: Utilize AWS services, Kubernetes, and contemporary DevOps practices to construct and deploy production-grade systems at scale. Cross-Functional Collaboration: Collaborate with machine learning researchers, engineers, and scientists to weave together data pipelines, APIs, and cloud infrastructure within scientific workflows and services. What You’ll Need to Succeed Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. 4-8 years of experience in software development within a commercial context. Full Stack Development: Proven experience in developing web applications across the complete stack using React, TypeScript, Monorepos like Nx, TailWind, FastAPI, SQL/NoSQL, Python, and Pydantic. Cloud & DevOps Expertise: Hands-on experience with AWS, GCP, or Azure; deep understanding of Kubernetes, containerization, infrastructure-as-code (Terraform, CloudFormation), and CI/CD pipelines (GitHub Actions). Communication & Collaboration: Excellent listening skills and a record of effective cross-functional teamwork with scientists, data engineers, and product teams; adept at conveying complex concepts to diverse audiences. Problem Solving: Established ability to tackle complex backend challenges, weighing trade-offs between scalability, performance, and maintainability.

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.

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.

Join our innovative team at ph7 as a Software Engineer, where you'll contribute to high-impact projects utilizing Java, DropWizard, Python, and Django. We are looking for talented individuals who are passionate about software development and eager to tackle complex challenges in a collaborative environment.

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.

Teamwork Makes the Stream Work. Join Roku and Transform TV Viewing Worldwide!At Roku, we are revolutionizing how the world watches television. As the leading TV streaming platform in the U.S., Canada, and Mexico, our ambition is to power every television globally. We pioneered streaming to the TV, and our mission is to connect the entire TV ecosystem, empowering consumers to access their favorite content, enabling publishers to build and monetize large audiences, and providing advertisers with unique engagement opportunities.From your very first day, you will contribute significantly to our mission. We are a dynamic public company where every team member plays a vital role. This is your opportunity to engage millions of TV streamers worldwide while gaining invaluable experience across various disciplines. About the RoleWe are looking for a talented Software Engineer with expertise in Python and automation, who has experience developing automated tools and tests for resource-constrained hardware platforms. Your work will involve creating and maintaining tools and tests that enhance our products and guarantee the highest quality in software releases deployed to devices in the field. In this role, you will develop solutions for testing, monitoring, and analyzing metrics across millions of players and TV products.As a versatile Software Engineer at Roku, you will be responsible for building fully automated test suites and performance monitoring tools. You will create automation that validates both the Roku OS system software and top-tier streaming applications across Roku TVs and Players, alongside the necessary infrastructure. This includes extending existing tests and developing new ones to assess memory usage, playback performance, compliance with specifications, and more. You will also maintain a multi-platform device farm for use by test and firmware engineers.This role requires a proactive and motivated individual with excellent communication, organizational, and technical skills, as you will collaborate cross-functionally with various engineering teams. Key ResponsibilitiesDevelop and maintain an automation framework for testing high-profile streaming applications.Collaborate with engineering teams to ensure seamless integration of automated testing solutions.Extend and create tests to evaluate memory consumption, playback efficiency, and adherence to specifications.Manage a multi-platform device testing environment.

Your Contribution at Lila Sciences Be a part of innovating the scientific landscape! We are on the lookout for a talented software engineer with a background in life sciences to enhance our data science team. In this role, you will collaborate closely with software engineers, laboratory scientists, and machine learning engineers to develop state-of-the-art tools for automated scientific analysis and beyond. Your expertise in web services and data engineering, particularly in Python development for scientific applications, will be crucial. If you excel in a collaborative and fast-paced environment while adhering to best practices in git, development workflows, and user-centered design, we encourage you to apply! Your Responsibilities Engage in the complete software development life cycle, concentrating on the design, implementation, and maintenance of software services. Create reusable code and libraries to enhance efficiency and scalability. Ensure development aligns with strategic objectives, facilitating software that meets broader organizational requirements. Oversee git repositories, manage the team’s Jira board and Notion Hub, advocate for best practices, assist laboratory scientists in utilizing new tools, and cultivate a collaborative development culture. Collaborate directly with scientists to identify gaps and unmet needs, crafting customized software solutions for data management, LIMS functionality, and data automation. Advocate for infrastructure as code and devise efficient deployment strategies. Produce clear, concise documentation for both engineering teams and end users. Required Qualifications A minimum of 2 years of experience in software development within a commercial environment. High proficiency in Python programming. Solid understanding of git best practices. Strong listening skills and the patience to thoroughly understand user challenges. Experience in implementing scalable software solutions. Exceptional problem-solving abilities and a team-oriented mindset. Excellent communication skills for effective collaboration with team members and stakeholders. A proactive self-starter with independent thinking capabilities and keen attention to detail. Desire to work with highly skilled and dynamic teams in a fast-paced, entrepreneurial technical setting. Preferred Qualifications A background in biological sciences. Familiarity with data science and machine learning libraries (e.g., pandas, numpy, scipy). Knowledge of modern developer tools (e.g., pydantic, pyright, uv). Understanding of Kubernetes, ArgoCD, and GitHub Actions.

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.

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.

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.

Collaboration Fuels Our Innovation. Roku is Transforming Television ViewingAs the leading TV streaming platform across the U.S., Canada, and Mexico, Roku aims to revolutionize how viewers engage with their televisions globally. Pioneering the concept of streaming, our mission centers on creating a cohesive TV ecosystem that connects viewers to their preferred content, empowers content creators to build substantial audiences, and offers advertisers unprecedented engagement opportunities.From day one at Roku, your contributions will be valued, as we are a dynamic public company that thrives on your active participation. Join us to delight millions of global streamers while gaining invaluable experience across diverse disciplines. About the RoleIn the role of Senior Software Engineer, Android on the Roku Mobile App team, you will influence how millions of users interact with their Roku Streaming Devices. Your focus will be on developing intuitive, robust, and high-performance Android applications that enable users to manage their Roku devices seamlessly from TVs to Players and beyond.This position allows you to work with a cutting-edge tech stack, including Kotlin, Compose, and Google's latest frameworks. You will collaborate closely with design, product, and cross-functional engineering teams to innovate features, enhance performance, and streamline smart home interactions.We seek individuals driven by curiosity and initiative, who are excited to take ownership of features while fostering a collaborative team environment. About the TeamYou will become part of a talented, high-performing team known for delivering outstanding results. We are searching for someone who can help us maintain this momentum and continue producing high-quality applications as we expand.Given our global user base, we have built a reputation for products that function seamlessly right out of the box. This success is intentional, as we are dedicated to ensuring our products are not only intuitive but also obvious to use. What You’ll Be Doing

Join Redgate Software as a Senior Software Engineer!At Redgate, we develop intuitive software solutions that empower data professionals to maximize the value of databases effortlessly. Our innovative tools address complex database management challenges throughout the DevOps lifecycle, simplifying processes for IT leaders, development, and operations teams. By enhancing efficiency, minimizing errors, and safeguarding vital business data, we have earned the trust of the data community.As a Senior Software Engineer, you will collaborate with a small, dynamic team that includes a Tech Lead, Lead Software Engineer, Product Designer, Product Manager, and additional software engineers. You will also receive guidance from the Group Engineering Manager, who oversees project delivery, team dynamics, and processes, as well as from an architect who provides technical leadership at the product level.This role focuses on Redgate Monitor, our premier monitoring solution. As a widely utilized tool, Redgate Monitor enables organizations to proactively oversee, diagnose, and optimize their database environments. You will play a key role in the evolution of this mature, impactful product, influencing architectural decisions, enhancing system performance, and delivering features that directly benefit thousands of global customers.We expect you to demonstrate comprehensive technical expertise, confidently tackle complex challenges with elegant solutions, lead and contribute to significant projects, and serve as a technical resource within your team. Besides advocating for best practices, you will also drive improvements in processes, tools, and architecture that benefit the broader engineering community.An essential aspect of your senior role will be to uplift others through mentoring and guidance.

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.

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.

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.

Role overview Renesas Electronics Corporation seeks a Senior Staff AI Software Development Engineer for its Cambridge office. The position centers on building advanced artificial intelligence solutions and managing software projects from initial concept through to delivery. What you will do Lead projects focused on AI, overseeing both the design and development stages Work closely with colleagues from different teams to deliver technical solutions Play a key part in designing and implementing new technologies in artificial intelligence Location This position is located in Cambridge.