Custom Product Engineer at HyperLight | Cambridge, MA

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.

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.

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.

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 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 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.

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 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.

LILA Sciences is seeking a Staff DevOps Engineer to lead the design, deployment, and ongoing improvement of infrastructure and delivery systems. This role blends platform engineering, site reliability, and DevOps practices to build scalable, automated systems that support reliable software delivery in cloud and Kubernetes environments. Collaboration is central: work closely with software developers, laboratory scientists, and machine learning engineers to create the backbone for automated scientific analysis and experiment orchestration. Key Responsibilities Design and implement Kubernetes-based infrastructure to support scientific services, machine learning pipelines, and platform workloads. Ensure production hardening, RBAC, network policies, and compliance with Pod Security Standards. Set up and maintain CI/CD pipelines using GitHub Actions or GitLab CI. Apply best practices including build attestations, SBOM generation, dependency scanning, and container image hardening. Apply Infrastructure-as-Code principles with Terraform and Helm. Implement policy-as-code guardrails (using OPA, Kyverno, or Checkov) and enable drift detection. Manage AWS cloud infrastructure, including EKS clusters, IAM with least privilege, VPC/PrivateLink networking, KMS/Secrets Manager, ECR, S3, and centralized logging and monitoring systems. Develop platform tools to improve deployment, observability, and developer workflows, supporting self-service with secure defaults. Drive reliability engineering practices, focusing on SLOs/SLIs, incident response, capacity planning, and performance optimization across the technology stack. Implement software supply chain security, including artifact signing, registry governance, and vulnerability management. Build and maintain QA and testing infrastructure: static analysis, code quality gates in CI pipelines, automated end-to-end and browser-based regression testing, ephemeral environments for pull request validation, and pre-merge quality checks. Automate operational processes and develop tooling in Python or Go to streamline infrastructure operations and integrate telemetry with observability platforms. Requirements Significant experience in DevOps, Site Reliability Engineering, or Platform Engineering within large-scale cloud environments. Proficiency with cloud deployments (AWS, GCP, etc.) using Infrastructure-as-Code tools such as Terraform and Helm, and expertise in containerization. Strong background in CI/CD systems (GitHub Actions, GitLab CI, or Jenkins) and familiarity with GitOps workflows. Advanced scripting skills in Python or similar languages for automation and tool creation. Comprehensive understanding of Kubernetes operations, including deployments, networking, storage, observability, and troubleshooting. This position is based in Cambridge, MA, USA.

Teamwork makes the stream work. Join Roku, a Pioneer in TV StreamingAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is revolutionizing how the world consumes television. Our mission is simple yet ambitious: to empower every television worldwide with our innovative streaming technology. By connecting viewers to their favorite content, enabling publishers to reach large audiences, and offering advertisers unique engagement tools, we are transforming the entertainment landscape.At Roku, we value every contribution. From your first day, you will play a crucial role in our mission to delight millions of streamers globally while gaining invaluable experience across various disciplines. About the Team As a Product Management Intern in the Live TV team within the Viewer Product organization, you will not merely observe; you will actively contribute to defining product requirements and the strategic rationale behind them. Utilizing big data and user research, you will delve into customer needs and business objectives. Your success will be measured by outcomes rather than mere outputs. We offer a paid 12-week internship starting in Summer 2026. About the Role In this role, you will be entrusted with a specific feature or product initiative, guiding a project from initial concept through to final delivery, employing industry-standard methodologies. You will play a key role in determining the "What" and "Why" of our offerings.

Join our innovative team as a Product Marketing Manager at Renesas Electronics, where you will have the opportunity to shape the future of engineering solutions. In this dynamic role, you will lead marketing strategies that drive product awareness and adoption, engaging with cross-functional teams to ensure successful product launches.

About MealSuiteAt MealSuite, we are dedicated to revolutionizing foodservice technology for healthcare and senior living organizations. Our mission is to empower care teams to provide exceptional dining experiences with minimal effort. As a rapidly expanding team, we tackle significant challenges that have a direct influence on patient and resident care.About the RoleWe are seeking a motivated Product Owner to join our dynamic Product Management team. In this role, you will report directly to the Director of Product and will be pivotal in translating our product strategy into actionable tasks for engineering teams. You will ensure the delivery of high-quality, incremental value through well-defined user stories, acceptance criteria, and effective backlog prioritization.What You’ll DoOwn the backlog definition, grooming, and prioritization process.Convert business requirements into clear user stories and acceptance criteria.Collaborate daily with engineering teams during agile ceremonies.Align sprint work with our product vision and organizational priorities.Ensure that product increments meet established quality and functionality standards.

Lone Wolf Technologies seeks a Director of Product Marketing to guide how products are positioned and communicated in the market. This Cambridge, ON-based leadership role shapes the company’s product marketing strategy, ensuring clear messaging and alignment between product, sales, and marketing teams. The position requires a strong understanding of market dynamics and the ability to translate feedback into actionable plans. What you will do Define and update product positioning for Lone Wolf’s portfolio Create messaging that speaks to the benefits of products for various audiences Study competitors and market trends to support go-to-market decisions Lead the planning and execution of product launches Establish benchmarks for positioning across buyer groups and sales channels Connect product, sales, and marketing teams to ensure strategies align and feedback is shared Role focus This role centers on making sure Lone Wolf’s products are understood and valued in the marketplace. The Director will play a key part in how the company responds to market changes and communicates product strengths both internally and externally.

Join Alva Energy as a Product Manager specializing in Controls Systems, where you will lead the definition, delivery, and ongoing development of our innovative controls platform, central to our uprate technology. In this pivotal role, you will transform complex, safety-critical engineering challenges into deployable, regulator-compliant products that seamlessly integrate with existing nuclear plant control systems.This position transcends traditional roadmap responsibilities; you will establish a clear vision, articulate detailed requirements, and actively drive engineering execution both internally and with external vendors, ensuring the system's successful implementation in the field. You will serve as the crucial link among controls engineering, vendors, licensing, and plant operations to create a coherent product that delivers tangible value.Key Responsibilities:Own the comprehensive product vision and lifecycle for Alva’s multi-load controls system, overseeing the journey from concept through field deployment and regulatory approval.Translate high-level system objectives (such as load coordination and integration constraints) into clear, actionable product requirements and acceptance criteria.Lead the definition of controls architecture and its interfaces with nuclear plant control systems (e.g., Common Q, Ovation, 7300-class or legacy platforms), ensuring clarity in signal ownership and isolation boundaries.Drive vendor strategy by identifying, evaluating, and managing controls, automation, and integration partners as extensions of the product team.Collaborate with internal engineering teams to ensure alignment of hardware, software, controls logic, and testing plans with product objectives and regulatory requirements.Conduct system-level hazard, failure-mode, and interface risk analyses in partnership with engineering and licensing teams.Coordinate factory, field, and integrated acceptance testing to ensure the product meets performance expectations while preserving existing plant control functions.Engage closely with regulatory and licensing stakeholders to confirm that requirements, setpoints, and implementation strategies are defensible and compliant.Act as the primary decision-maker regarding scope, trade-offs, sequencing, and priorities for the controls system.

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 our dynamic team as a Product Demonstrator, where you will play a vital role in showcasing our innovative products to consumers. As a key ambassador for our brand, you will engage with customers, provide insightful product information, and create memorable experiences that drive sales and customer satisfaction.