Photonic Test Development Engineer

Join HyperLight, a pioneer in the commercialization of thin-film lithium niobate (TFLN) integrated photonics, which is revolutionizing the development of high-performance optical components for AI/datacom infrastructure, hyperscale computing, quantum computing, sensing, and more. Established in 2018 and supported by top-tier venture capital, we are dedicated to the mass deployment of TFLN photonics technology.Our innovative TFLN Chiplet™ platform features a modular, integrated architecture that prioritizes scalability, manufacturability, and seamless integration into advanced systems. This unique platform balances exceptional performance with industrial readiness, empowering system developers to deploy our technology efficiently and effectively. We collaborate closely with our customers and suppliers from initial design and prototyping through to mass production, ensuring a smooth transition into deployment.At HyperLight, we are committed to harnessing the power of integrated photonics to enhance humanity's future. Our diverse team, comprised of experts in engineering, business, and operations, thrives on challenges and is united by a dedication to excellence. We take pride in approaching complex problems with curiosity, humility, and a deep sense of community.We are currently seeking a Photonic Test Development Engineer to join our expanding team. This role will involve developing and executing advanced wafer-level measurements on our photonic integrated circuits. Working closely with our external testing partners, you will be responsible for creating scalable, automated, and precise testing systems to characterize each chip we produce. As a crucial member of our team, you will provide critical feedback on product performance and contribute significantly to our mission.Come and make a tangible impact in a dynamic, collaborative, and rapidly growing environment.

Join HyperLight, a pioneering leader in the commercialization of thin-film lithium niobate (TFLN) integrated photonics, revolutionizing high-performance optical components for AI/datacom infrastructure, hyperscale computing, and quantum computing. Established in 2018 and backed by top-tier venture capital, our team is dedicated to the mass deployment of TFLN photonics technology.At the heart of our innovation is the TFLN Chiplet™ platform, which combines exceptional performance with industrial readiness, facilitating rapid deployment across various applications. We collaborate closely with our customers and suppliers through all stages, from conceptual design to mass production, ensuring smooth integration of TFLN technology into their systems.We take pride in our world-class team, driven by values of integrity, innovation, collaboration, and practical solutions. Our diverse workforce thrives on challenges and is committed to excellence, tackling complex problems with curiosity and care.We are seeking a Senior / Staff Photonic Test Development Engineer to innovate and implement advanced wafer-level measurements on our photonic integrated circuits. This role involves working closely with external test partners to develop scalable, automated testing systems that accurately characterize our chips. As a vital member of our team, you will be responsible for creating new testing systems and providing critical insights into product performance.Be part of our mission to make a tangible impact in a fast-paced, collaborative, and growth-oriented environment.

Join Hyperlight as an Integrated Photonics Product Engineer, where you will play a pivotal role in developing cutting-edge photonic devices that revolutionize various industries. You will collaborate closely with cross-functional teams to innovate and bring to market advanced optical technologies.

HyperLight, located in Cambridge, Massachusetts, develops thin-film lithium niobate (TFLN) integrated photonics for scalable optical components. Since 2018, the company has supported sectors such as AI and datacom infrastructure, hyperscale computing, quantum computing, and sensing. HyperLight’s TFLN Chiplet™ platform enables modular, integrated system design and supports manufacturability for complex applications. Role overview The Senior Photonics Process Development Engineer leads efforts to develop, refine, and scale fabrication processes for the TFLN platform. This position involves working directly with customers, especially in quantum computing and other emerging areas, to turn technical requirements into robust, scalable manufacturing processes. The role also manages advanced process node development and coordinates process variations to improve device performance. What you will do Define and optimize next-generation and custom fabrication processes for high-performance TFLN photonic integrated circuits (PICs). Collaborate with customers and suppliers to develop processes that meet immediate and future performance needs. Coordinate with internal teams in design, testing, and production to manage development tapeouts, oversee production, and support wafer-level testing. Collaboration and impact This role involves cross-functional work within HyperLight, including direct interaction with customers and suppliers. The Senior Photonics Process Development Engineer helps shape fabrication strategies for new applications and ensures timely delivery of solutions.

At HyperLight, we are pioneering the commercial application of thin-film lithium niobate (TFLN) integrated photonics — a cutting-edge material and processing technology that is set to revolutionize high-performance, scalable optical components for AI/datacom infrastructure, hyperscale computing, quantum computing, sensing, and various other fields. Established in 2018 and supported by prominent venture capital, we have assembled a talented team and developed a robust platform aimed at the effective mass deployment of TFLN photonic technology.Our flagship TFLN Chiplet™ platform embodies a modular and integrated architecture optimized for scalability, manufacturability, and effortless integration into complex systems. This platform delivers an unmatched combination of superior performance and industrial readiness, allowing system developers across diverse applications to swiftly deploy our technology. We collaborate closely with our clients and suppliers from the initial concept and design stages through to prototyping and mass production, ensuring seamless and rapid implementation of TFLN photonic solutions.We believe that our platform is pivotal in the golden age of integrated photonics, enabling humanity to reach new heights. Our exceptional team comprises professionals from engineering, business, and operations, all sharing a commitment to integrity, innovation, collaboration, and practical solutions. We thrive on challenges and pride ourselves on a culture of curiosity, humility, and mutual support.If you have a passion for pushing the boundaries of integrated photonics devices and are eager to innovate their applications through advanced hardware solutions, we invite you to join HyperLight as a Senior Photonics Process Engineer. We are looking for highly motivated individuals who enjoy solving complex problems and excel in a collaborative environment.Become a part of our mission to create a tangible impact in a dynamic, collaborative, and rapidly growing setting!

At HyperLight, we are pioneering the commercialization of thin-film lithium niobate (TFLN) integrated photonics, a groundbreaking material and process technology that is revolutionizing high-performance, scalable optical components for AI/datacom infrastructure, hyperscale computing, quantum computing, sensing, and more. Established in 2018, and supported by top-tier venture capital, our dedicated team is focused on the practical mass deployment of TFLN photonics technology.Central to our operations is the TFLN Chiplet™ platform — a modular, integrated architecture designed for scalability, manufacturability, and seamless integration into complex systems. This platform offers an exceptional blend of performance and industrial readiness, enabling system developers to deploy the technology rapidly across various applications. We collaborate closely with our customers and suppliers, guiding them from the initial conceptualization and design stages through prototyping and mass production, ensuring efficient deployment of TFLN photonic technology.We believe our platform represents a pivotal advancement in the golden age of integrated photonics, empowering humanity to reach new heights. Our world-class team, comprising experts in engineering, business, and operations, thrives on challenges and shares a commitment to excellence, integrity, innovation, and collaborative problem-solving. We are proud to address complex challenges with curiosity, humility, and a mutual respect for one another.As we continue to grow, our Packaged Modulator Business Unit is seeking a Product Engineer, Test & Measurement. This role presents a unique opportunity to spearhead the development of new products within our integrated photonics platform. You will be responsible for designing next-generation, high-speed, high-performance TFLN products, leading R&D efforts to enhance product performance, collaborating with customers and vendors to shape product specifications, and spearheading customer engagement initiatives.

At HyperLight, we are pioneering the commercialization of thin-film lithium niobate (TFLN) integrated photonics—a transformative material and process technology that enables high-performance, scalable optical components across various sectors including AI/datacom infrastructure, hyperscale computing, quantum computing, and sensing. Established in 2018 and supported by top-tier venture capital, we have cultivated a dedicated team focused on the real-world mass deployment of TFLN photonics technology.Central to our mission is the TFLN Chiplet™ platform—a modular, integrated architecture optimized for scalability, manufacturability, and seamless integration into complex systems. This platform provides an exceptional blend of high performance and industrial readiness, allowing system developers to swiftly implement our technology across diverse applications. We collaborate closely with our customers and suppliers from initial conceptualization and design through to prototyping and mass production, ensuring the efficient and rapid deployment of TFLN photonic technology.We believe that our platform is a key driver in the golden age of integrated photonics, empowering humanity to reach new heights. Our world-class team, which encompasses engineering, business, and operations, thrives on challenges and is unified by a commitment to integrity, innovation, collaboration, and practical solutions. We take pride in addressing complex challenges with curiosity, humility, and a genuine care for one another.As HyperLight continues to grow, we are seeking an Integrated Photonics Summer PhD Intern. This internship presents a unique chance to engage with the technical aspects of our integrated photonics products. Your responsibilities will include measuring and testing our products at the chip, module, and system levels, enhancing test capabilities by developing new functionalities and setups, and contributing to the development of next-generation products. This is an exceptional opportunity to dive into the cutting-edge world of photonics while gaining invaluable experience in a dynamic, collaborative environment.If you are a driven individual who values excellence and continuous learning and is committed to supporting your teammates, we invite you to apply!

At HyperLight, we are pioneering the commercialization of thin-film lithium niobate (TFLN) integrated photonics, a groundbreaking technology that is revolutionizing high-performance, scalable optical components for applications in AI/datacom infrastructure, hyperscale computing, quantum computing, and sensing. Established in 2018 and supported by prominent venture capital, we have assembled a dedicated team and robust platform to facilitate the real-world mass deployment of TFLN photonics technology.Our TFLN Chiplet™ platform is at the heart of our innovation—a modular, integrated architecture that emphasizes scalability, manufacturability, and seamless integration into complex systems. This unique platform combines exceptional performance with industrial readiness, empowering system developers to quickly implement our technology across various applications. We engage collaboratively with our customers and suppliers, guiding them through conceptualization, design, prototyping, and mass production to ensure a smooth transition and swift deployment of TFLN photonic technology.We believe that our platform is essential in ushering in a golden age of integrated photonics, propelling humanity forward. Our team, comprised of top-tier professionals across engineering, business, and operations, is driven by integrity, innovation, collaboration, and pragmatic solutions. We embrace challenges with curiosity, humility, and a deep commitment to one another's success.We are currently seeking a Product Engineer to support and expedite the development of our telecom (DPIQ) products. This hands-on position, based at our headquarters, will involve close collaboration with our internal design, operations, production, and testing teams to drive product development and ensure rapid time-to-market. As a Product Engineer, your contributions will be critical in shaping product-related discussions and decisions impacting HyperLight's business. Your responsibilities will include:Defining key performance requirements and optimizing components and products in collaboration with the Design teamLeading DVT and KGD test development in partnership with the Testing teamConducting system-level modeling to ensure product compliance with customer expectations and developing new product offerings alongside product line managementMonitoring and enhancing product yield in close cooperation with Product, Operations, and Production teamsDriving continuous improvement within telecom product development processes and documentation

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.

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.

Join Riverlane as a Staff Testing Engineer in Cambridge, UK. This is a full-time, permanent position offering a hybrid working model.Salary: £95,000 to £120,000, depending on experience, plus bonus and benefits.We offer a competitive salary range based on the candidate's experience, industry knowledge, and relevant skills. Every offer will be tailored to reflect the applicant's background and accomplishments.Part-time applications are welcome. Please indicate your preferred working schedule in your cover letter.About RiverlaneAt Riverlane, we are on a mission to revolutionize quantum error correction (QEC) to facilitate a new era of technological advancement. Our work spans various fields, including material and climate science and drug design simulations, showcasing the potential of quantum computing in addressing humanity's grand challenges. As the leading organization in QEC technology, we are committed to overcoming the industry's most significant technical challenges.With over $125M in funding, we are accelerating our pioneering research and development in QEC and collaborating with top quantum hardware companies and government entities to make fault-tolerant quantum computing a reality.

HyperLight is a pioneering company leading the commercialization of thin-film lithium niobate (TFLN) integrated photonics. This innovative material and process technology is revolutionizing high-performance, scalable optical components across various sectors, including AI/datacom infrastructure, hyperscale computing, quantum computing, and sensing. Established in 2018 and supported by prominent venture capital, we have assembled a dedicated team focused on the real-world mass deployment of TFLN photonics technology.The heart of our operations is the TFLN Chiplet™ platform, a modular and integrated architecture optimized for scalability, manufacturability, and seamless integration into complex systems. It provides a unique blend of exceptional performance and industrial readiness, allowing system developers to deploy our technology swiftly and efficiently. We collaborate closely with our customers and suppliers throughout all phases, from conceptualization and design to prototyping and mass production, ensuring a smooth and rapid deployment of TFLN photonic technology.At HyperLight, we believe our platform is pivotal in the golden age of integrated photonics, empowering humanity to reach new heights. Our world-class team, which encompasses engineering, business, and operations, is united by shared values of integrity, innovation, collaboration, and pragmatic solutions. We embrace challenges with curiosity, humility, and a profound sense of care for one another.As we expand our team, we are looking for a Program Manager, PIC Development to propel projects forward for our industry-leading customers. The successful candidate will be responsible for project planning, resource management, and performance tracking, while fostering seamless cross-functional collaboration to produce and deliver our cutting-edge chips at scale for mission-critical customers and partners. In this role, you will be instrumental in ensuring that we achieve HyperLight's ambitious goals and accelerate our growth.

At HyperLight, we are pioneering the commercialization of thin-film lithium niobate (TFLN) integrated photonics, a transformative technology that facilitates high-performance and scalable optical components across various fields including AI and datacom infrastructure, hyperscale computing, and quantum computing. Established in 2018 and supported by prominent venture capital, we are dedicated to advancing the mass deployment of TFLN photonics technology.Our flagship TFLN Chiplet™ platform represents a groundbreaking modular integrated architecture designed for scalability and manufacturability, ensuring seamless integration into complex systems. This platform provides an exceptional blend of performance and industrial readiness, allowing system developers to rapidly deploy our technology across diverse applications. We collaborate closely with our customers and suppliers throughout all phases—from conceptualization and design to prototyping and mass production—to ensure a smooth transition to TFLN photonic technology.We believe that our platform is a cornerstone in the golden age of integrated photonics, empowering humanity to reach new heights. Our world-class team comprises experts in engineering, business, and operations, all united by core values of integrity, innovation, collaboration, and practical solutions. Driven by a shared commitment to excellence, we embrace challenges with curiosity, humility, and a profound care for one another.Join us in making a significant impact in a dynamic, collaborative, and rapidly growing environment.

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.

The Engine supports Tough Tech entrepreneurs who are developing solutions for major global challenges. As a nonprofit, the organization connects founders with infrastructure, funding, and operational support to help turn breakthrough science and technology into real-world impact. Role overview The Chief Growth Officer (CGO) will lead The Engine through its next phase of growth. This executive shapes partnership strategies, drives revenue initiatives, and works to strengthen the organization’s market position. The CGO also serves as a strategic advisor to the CEO and leadership team, providing input on key organizational decisions. Who should apply Experienced leaders with a background in Tough Tech, either as entrepreneurs or commercial executives Individuals with a track record of scaling organizations and launching first-of-a-kind (FOAK) projects Candidates who have advocated for Tough Tech founders and engaged with the broader ecosystem Location This position is based in Cambridge.

We are seeking a highly skilled Software Testing Manager to lead our testing team in Cambridge, MA. In this role, you will oversee the development and execution of testing strategies, ensuring the delivery of high-quality software products. You will collaborate with cross-functional teams to identify testing requirements, develop robust testing plans, and enhance the overall testing process.

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 transforming the way the world experiences televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to power every television globally. We pioneered the streaming-to-TV experience, connecting viewers with their favorite content, enabling content creators to build and monetize extensive audiences, and offering advertisers unique ways to engage consumers.From day one at Roku, you will be an integral part of our team in a fast-growing public company where every voice matters. You’ll have the chance to delight millions of TV streamers worldwide while gaining valuable experience across various disciplines. About the Team The Advanced Development organization pushes the limits of product innovation by creating groundbreaking technologies that will influence all Roku devices in the future. Our team operates independently from standard shipping schedules, focusing on foundational technologies, including modern Linux embedded C++, build systems, cloud backend solutions, and web platforms. About the RoleJoin us as a Software Engineer Intern, where your enthusiasm for technology and innovative ideas will play a key role in our success. This is a paid 12-week internship starting in Summer 2026.We will customize your project for optimal impact during your time with us. One exciting initiative involves constructing a community-ready Model Context Protocol (MCP) server for the Roku Cloud Emulator, enabling external developers to manage virtual Roku devices via AI assistants. While we have a working internal proof-of-concept, it requires a complete rebuild for public accessibility. Our platform emulation product runs a software-only version of the Roku OS, mimicking real hardware and facilitating broader scale testing through cloud hosting. What You Will Be DoingLeading a project aimed at making our emulation product accessible to external developers through AI assistance.Collaborating with engineers across various specialties to ensure successful delivery.

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.

Teamwork makes the stream work. Roku is revolutionizing the way people enjoy televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to connect every television globally. We were pioneers in bringing streaming to the TV and aim to be the go-to platform that links the entire TV ecosystem. We empower consumers to access the content they love, assist publishers in expanding their reach and revenue, and offer unique advertising opportunities to engage audiences effectively.At Roku, from day one, your contributions will be valued. We are a rapidly growing public company where every team member plays an active role. This internship offers you the chance to impact millions of TV streamers across the globe while gaining valuable experience in various disciplines. About the RoleJoin one of Roku's UI teams as a Software Engineer Intern, where your passion for technology and creativity will be key to our success. We offer a paid 12-week internship, commencing in Summer 2026.In this role, you will undertake a scoped project aligned with our UI/SDK roadmap—tasks may include improving a UI component, enhancing performance instrumentation, or developing tools for developers. Our UI teams utilize a variety of programming languages from C++ to TypeScript, and we embrace AI-assisted development workflows to enhance productivity and quality. You could be involved in projects focused on creating AI tools for UI generation for Roku devices or similar tasks. What You’ll Be DoingTake ownership of a clearly defined project that advances our UI/SDK capabilities.Contribute to front-end and embedded UI codebases using modern programming languages and patterns, collaborating on integration with platform services.Implement best practices in profiling, testing, and documentation; gain insights into how we ensure usability, reliability, and performance at scale. We’re Excited if You HaveCurrently enrolled in a degree program in Computer Science/Engineering or a related field (ideally seeking penultimate year students).Proficiency in scripting languages such as JavaScript or TypeScript.