Senior Software Engineer in Test - Python

ABOUT PIONEERING INTELLIGENCEPioneering Intelligence is a visionary organization that builds on Flagship Pioneering’s outstanding legacy of founding revolutionary science and computational ventures. By leveraging recent advancements in artificial intelligence, machine learning, and data analytics, we aim to expedite fundamental research and foster a portfolio of AI-first companies. As a key component of Flagship’s integrated model that combines science, entrepreneurship, and investment, we transform groundbreaking ideas into impactful companies, enhancing AI advancements across various sectors including human health and sustainability.Position SummaryWe are in search of a Senior Front End Engineer who will play a pivotal role in our early-stage initiative. In this position, you will architect and implement an unparalleled user experience for our new platform, which utilizes large language models (LLMs) and AI agents to optimize intricate, high-stakes workflows. This innovative, user-first, AI-augmented product will redefine abstract reasoning tasks, converting them into intuitive, high-performance tools that empower experts across a multitude of research fields. You will spearhead front-end development and work in close collaboration with engineers, AI scientists, product designers, and end users. This is a unique opportunity to shape the future of AI applications in research.

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 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.

Join our innovative team at ttp1 as a Senior Systems Engineer (Software). In this pivotal role, you will leverage your expertise in software engineering to design and implement cutting-edge systems that drive our cellular technology initiatives. You will work collaboratively with cross-functional teams to develop solutions that enhance our product offerings, ensuring high performance and reliability.

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.

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 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.

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.

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.

Teamwork makes the stream work. Roku is revolutionizing television viewing.As the leading TV streaming platform in the U.S., Canada, and Mexico, Roku aims to power every television globally. We were pioneers in bringing streaming to the TV and are committed to being the central platform connecting the entire TV ecosystem. We link viewers to their favorite content, empower content creators to grow and monetize their audiences, and provide advertisers with unique opportunities to engage consumers.From your first day at Roku, you will play a crucial role in our team. As a rapidly expanding public company, we encourage every employee to contribute actively and meaningfully. You’ll have the chance to enchant millions of TV streamers globally while gaining invaluable experience across various disciplines. About The TeamThe Roku Enterprise Engineering team is pivotal in developing a robust, integrated, and scalable platform that supports essential business processes throughout the organization. This team drives Roku's corporate strategy by automating workflows across all Business Systems, including Supply Chain, Finance, Sales Operations, and Human Resources. By reimagining traditional workflow automation approaches, we employ advanced engineering methodologies and API-driven design to enhance internal processes, increase efficiency, and deliver innovative solutions.Our expertise encompasses a broad spectrum of technologies, including Java and Python-based MicroServices, AWS/GCP cloud backend systems, and Big Data technologies like Hive and Spark, along with modern web applications. With a globally distributed team across the U.S., India, and Europe, we thrive on collaboration, leveraging diverse perspectives to tackle complex challenges. Our success is founded on a shared commitment to technical excellence, creativity, strong ownership, and a collaborative spirit that drives significant results for Roku's operations. About The RoleAs a senior technical lead, you'll act as a platform services developer, crafting innovative solutions using contemporary software frameworks and paradigms. You are a self-motivated problem solver with a solid foundation in building large-scale software platforms and applications. Your focus on execution will help you establish a reputation for consistently delivering projects on time.

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.

Collaboration Fuels Innovation. Roku is revolutionizing television viewingAs the leading TV streaming platform across the U.S., Canada, and Mexico, Roku is on a mission to empower every television globally. We pioneered the streaming experience, connecting consumers with their favorite content, enabling publishers to grow and monetize their audiences, and providing advertisers with unique engagement tools.From your first day at Roku, your contributions will be both significant and appreciated. We are a rapidly expanding public company where every team member plays an active role. Join us in delivering joy to millions of TV streamers around the globe while gaining invaluable experience across diverse areas. Are you driven to create scalable, high-performance systems that handle vast data? Do you excel at designing and implementing innovative solutions that provide engineering teams with actionable insights? Are you eager to enhance open-source observability on a grand scale? Join us in extending our open-source observability tools and developing new capabilities to help teams manage data effectively and gain actionable insights. About the Team The Observability team within Roku’s Cloud Technology Infrastructure is essential to our platform's success. We are a dynamic, high-performing international team that values ownership, effective communication, and delivering impactful engineering solutions.

Join EverQuote as a Senior Full Stack Software Engineer on our B2B Agency Feature Team, a pivotal group shaping the future of our Agency business. This is more than just an engineering position; you will collaborate closely with all platform teams to design, develop, and scale agency features that fuel EverQuote's B2B growth. Your contributions will significantly impact how agencies utilize our platform and drive revenue on a large scale. Take charge of creating innovative, user-centric applications and interactive services that are quick, reliable, and built for substantial growth. Envision bold UI advancements, seamless front-end architecture, and essential experiences that agencies rely on. Become part of a dynamic, collaborative team of engineers who prioritize speed and meaningful output. You won't just contribute; you'll lead as a technical mentor, enhancing your team's capabilities through your expertise in modern front-end development, outstanding UI/UX design, and the progressive use of AI tools to boost developer efficiency. If you're eager to create impactful products, nurture a talented team, and influence a rapidly scaling platform, this position is for you. This role is hybrid, requiring in-office attendance several days a week. The base salary range for this full-time hybrid position is $150,700 to $177,300. Starting salaries will typically fall within the lower range. Depending on their specific role, level, and responsibilities, employees may qualify for company variable compensation or equity programs.

Teamwork Makes the Stream Work. Transforming TV Viewing with RokuAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to empower every television worldwide. We pioneered the concept of streaming to the TV, aiming to create a platform that seamlessly integrates all elements of the television ecosystem. Our goal is to connect viewers to the content they love while providing content creators the tools to monetize their audiences and offering advertisers unique engagement opportunities.From the moment you join Roku, you will play a vital role in our team. As a rapidly growing public company, we ensure that every employee feels valued. This is your chance to impact millions of TV streamers globally and gain invaluable experience across various disciplines. Role OverviewWith over 85 million users worldwide, our products are renowned for their intuitive performance and seamless integration. This success is not incidental; our commitment to user-centered design ensures our products are not just functional but also instinctive to use. We strive to simplify the streaming experience for users.We seek a Senior Software Engineer to develop core features for the Roku platform's user interface. The ideal candidate will have experience creating high-performance applications and SDK components, eager to code for a highly popular consumer electronics platform. This position offers significant visibility and the chance to make a substantial business impact, working on components that influence nearly all content streamed on Roku. About Our TeamThis team focuses on customer-centric features that enhance user experience, including cross-platform device interactions, TV and Player-centric user interfaces, and IoT integration with Roku OS. Our product roadmap is designed to accelerate our growth and scalability, delivering innovative features to millions of Roku users worldwide.Our developers and engineers are proactive and driven, taking ownership of their work and finding motivation in their contributions.

About Farsyt Farsyt is building AI-driven solutions to reshape insurance services. The team focuses on automation, data, and artificial intelligence to improve how insurance is bought, sold, and managed. Role Overview This is a hands-on role as a Founding Engineer or Senior Software Engineer based in Cambridge, MA. Work directly with the founding team to take the core product from early development through launch. The environment is small, venture-backed, and moves quickly. Team members take on broad responsibilities and see their work make a visible impact. What You Will Do Design and build essential systems, including backend architecture, APIs, and data models. Create workflows powered by AI to automate manual insurance processes. Integrate with external tools and communication systems, often dealing with unreliable or fragmented sources. Develop automation systems using large language models (LLMs), with a focus on reliability and managing failures. Architect and maintain asynchronous, event-driven systems involving queues, workers, and long-running tasks. Deliver results quickly, moving from idea to production in days rather than months. Make key technical decisions that influence the company's direction. This role offers flexibility and the chance to help define both what gets built and how it is built.