Quantum Algorithms Scientist - US

At Phasecraft, we are pioneering the field of quantum algorithms, laying the groundwork for transformative quantum computing applications that address real-world challenges. Founded in 2019 by Toby Cubitt, Ashley Montanaro, and John Morton, our headquarters are in London and Bristol, UK, and we proudly expanded to Washington, DC in 2024, under the leadership…

Join Phasecraft, a pioneering quantum algorithms company dedicated to establishing the mathematical foundations for quantum computing solutions that tackle real-world challenges. Since our inception in 2019 by visionaries Toby Cubitt, Ashley Montanaro, and John Morton, we have expanded our footprint from London and Bristol to a thriving office in Washington DC in 2024, led by the talented Steve Flammia. Our successful $17 million Series A funding round in 2023, spearheaded by Playground Global, a leader in Silicon Valley deep tech venture capital, underscores our commitment to innovation.Phasecraft enjoys unparalleled access to cutting-edge quantum computers through strategic partnerships with industry giants like Google, IBM, Quantinuum, and QuEra. This unique position empowers us to develop foundational intellectual property, guide the evolution of next-generation quantum hardware, and expedite the commercialization of transformative breakthroughs.We are actively seeking a Quantum Algorithms Scientist to enhance our team. The ideal candidate will possess experience in the theory and/or practical application of optimization algorithms for gate-model quantum computers, classical optimization, or constraint satisfaction algorithms, or exhibit strong potential in these domains. Initially, the role will focus on these areas, with opportunities to diversify your research portfolio across the various interests of Phasecraft. While a background in quantum computing is advantageous, it is not mandatory; however, candidates must demonstrate their ability to design and implement advanced algorithms in optimization and/or constraint satisfaction.Core Responsibilities:Conduct theoretical and/or applied research and software development tailored for near-term quantum computing applications, concentrating on quantum algorithms and software for combinatorial optimization and constraint satisfaction problems.Contribute to the authorship of publications, presentations, patent applications, and other outputs stemming from research endeavors.Collaborate effectively within a small, dynamic team comprising full-time staff and affiliated PhD students.Engage with stakeholders in collaborative efforts to apply quantum computing to optimization challenges.Participate in additional activities that support the growth and success of Phasecraft.

Join Phasecraft, a pioneering company in quantum algorithms, as we lay the mathematical groundwork for revolutionary quantum computing applications aimed at addressing real-world challenges. Established in 2019 by experts Toby Cubitt, Ashley Montanaro, and John Morton, our headquarters are located in London and Bristol, UK, with a new office in Washington DC, led by Steve Flammia.Having successfully completed a $17 million Series A funding round in 2023, spearheaded by the esteemed Silicon Valley venture capital firm Playground Global, we are uniquely positioned to leverage our partnerships with industry leaders like Google, IBM, Quantinuum, and QuEra. This access enables us to create foundational intellectual property, guide the evolution of next-gen quantum hardware, and expedite the commercialization of transformative breakthroughs.We are on the lookout for an accomplished Lead Quantum Algorithms Scientist to spearhead our research initiatives in Washington DC. In this pivotal role, you will work closely with the Head of our US office and the senior science team, directing and coordinating research efforts. The ideal candidate will possess significant experience in guiding research in algorithm theory for gate-model quantum computers or closely related fields, contributing to our mission of developing quantum algorithms for near-term quantum systems. Your work may involve aspects such as algorithm design, optimization, quantum error correction, resource analysis, error mitigation, and hardware benchmarking, as you manage and expand a diverse portfolio of research activities.Key Responsibilities:Lead and mentor a talented team of scientists engaged in theoretical and applied research on near-term quantum computing algorithms and enabling technologies.Guide the team in producing publications, presentations, patent applications, and other research outputs.Support and mentor team members in their scientific and career development.Identify and pursue new research directions in alignment with the company’s overarching scientific strategy.Foster a collaborative environment within a small international team comprising full-time staff and affiliated PhD students.Engage in additional activities to promote Phasecraft's growth and success.

IonQ is at the forefront of quantum computing, developing the world's most powerful full-stack quantum computer utilizing trapped-ion technology. We are transcending the confines of classical physics and current supercomputing capabilities to usher in a revolutionary era of computing. The potential of quantum computing is immense, with applications that could positively transform every sector of society. IonQ is set to redefine industries such as healthcare, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond.We are seeking an experienced Senior Staff Scientist – Fault-Tolerant Quantum Algorithms to spearhead the technical development of groundbreaking quantum solutions that will deliver significant societal value. In this pivotal role, you will lead a cross-functional team dedicated to IonQ's mission of addressing the world’s most intricate challenges using our state-of-the-art quantum computers.As a technical expert in fault-tolerant algorithms, you will drive the discovery of next-generation quantum applications that surpass the capabilities of conventional methods. You will be a vital contributor to our technical leadership in quantum algorithms, influencing research on innovative quantum algorithms, developing intellectual property, computational resource models, strategic roadmaps, and comprehensive workflows that could disrupt the computing landscape. Additionally, you will collaborate closely with product, engineering, marketing, sales, operations, and external partners to brainstorm novel concepts, propose complex multi-year projects, and represent IonQ at prestigious technical conferences—all in a day’s work!

Join IonQ, pioneers in quantum computing, as we develop the world's most advanced full-stack quantum computer utilizing trapped-ion technology. Our aim is to transcend the boundaries of classical physics and current supercomputing capabilities, ushering in a transformative era of computing that can positively influence every aspect of society. IonQ’s innovations are set to revolutionize sectors including medicine, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond. We are leading this technological evolution.We seek a Staff Scientist – Fault-Tolerant Quantum Algorithms to spearhead the technical advancements in harnessing IonQ’s quantum computers for developing unique quantum solutions that deliver significant societal benefits. In this pivotal role, you will be an integral part of a dynamic, cross-functional team dedicated to tackling the world’s most complex challenges with the industry’s leading quantum computers.As a hands-on expert in fault-tolerant algorithms, you will explore the next generation of quantum applications expected to outperform traditional classical methods. Your contributions will include the development of quantum algorithms, foundational intellectual property, computational resource models, strategic roadmaps, and comprehensive workflows capable of disrupting the computing landscape. You will collaborate closely with product, engineering, marketing, sales, operations, and external stakeholders to generate innovative ideas, propose ambitious multi-year projects, and represent IonQ at prominent technical conferences.

Join Phasecraft, a pioneering company in quantum algorithms, dedicated to establishing the mathematical foundations for quantum computing applications that address real-world challenges. Founded in 2019 by industry leaders Toby Cubitt, Ashley Montanaro, and John Morton, we operate from London and Bristol, UK, with a newly opened office in Washington DC led by Steve Flammia.Our unique access to cutting-edge quantum computers through collaborations with tech giants such as Google, IBM, Rigetti, and QuEra positions us to develop foundational intellectual property, shape the future of quantum hardware, and expedite the commercialization of significant breakthroughs.As a Visiting Fellow at Phasecraft, you will align with our mission to make groundbreaking discoveries that propel the advancement of applied quantum computing. This role, typically lasting around three months, allows you to immerse yourself in our dynamic team, engage in research, collaborate with peers, lead seminars, and participate in all company activities while maintaining your position at your home institution.This fully funded fellowship offers a competitive salary, with all travel and accommodation expenses covered during your stay.Please note: The application deadline is March 9, 2025.

Phasecraft stands at the forefront of quantum algorithms, innovating the mathematical foundations that empower quantum computing applications to tackle real-world challenges. Established in 2019 by visionaries Toby Cubitt, Ashley Montanaro, and John Morton, our headquarters are in London and Bristol, UK, with a newly opened office in Washington DC in 2024 under the expert leadership of Steve Flammia. In 2025, we successfully secured $34 million in our Series B funding round, co-led by Plural, Playground Global, and Novo Holdings’ Quantum Fund, marking their inaugural direct investment into quantum software.Our unparalleled access to cutting-edge quantum computers via partnerships with industry leaders such as Google, IBM, Quantinuum, and QuEra positions us uniquely to develop foundational intellectual property, guide the evolution of next-generation quantum hardware, and expedite the commercialization of high-value breakthroughs.A pivotal application of our quantum algorithms lies in material and molecular systems modeling, where we have achieved remarkable cost reductions compared to current benchmarks.In light of these advancements, we are excited to invite applications for the role of Senior Quantum Computational Materials Scientist in our Washington DC office. This newly established position will be instrumental in steering and coordinating US-based research efforts within our materials team, collaborating closely with the Head of the US office and the materials team lead at Phasecraft.The ideal candidate will boast extensive experience in the theoretical and practical aspects of computational techniques applied to materials or chemistry simulations, coupled with a passion for harnessing quantum computing algorithms for computational materials science. Your contributions will be vital to our mission of developing quantum algorithms designed for near-term quantum computers, potentially exploring areas such as algorithm design, optimization, implementation, resource analysis, and benchmarking of classical and quantum simulations. You will also have the exciting opportunity to guide and expand a diverse portfolio of research activities aligned with Phasecraft’s strategic interests.

Location: SeattleTeam: Programmatic Experience Group Role overview The Senior Data Scientist, Programmatic Algorithms, joins the Programmatic Experience Group at impact.com. This position centers on designing and implementing machine learning models that improve yield, pricing, and inventory allocation across a large-scale programmatic marketplace. The work combines data science, platform engineering, and marketplace economics to drive measurable results. What you will do Architect and build machine learning models to optimize programmatic marketplace outcomes. Design and maintain data pipelines that support these models. Develop features to enhance model performance and accuracy. Deploy real-time inference systems to enable rapid decision-making. Influence the balance between advertiser performance and publisher monetization within the marketplace. Collaboration and ownership This is a high-ownership individual contributor role. The Senior Data Scientist works closely with Product, Data Science, and Programmatic Delivery Engine Engineering teams. The position offers significant autonomy and calls for both analytical rigor and practical machine learning engineering skills.

Join the Quantum Revolution at IonQ!At IonQ, Inc., we are at the forefront of quantum technology, pioneering integrated quantum solutions in computing, networking, sensing, and security. Our latest innovation, the IonQ Tempo, empowers clients like Amazon Web Services and AstraZeneca to achieve unparalleled advancements in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. Notably, we recently set a world record in quantum computing performance with 99.99% two-qubit gate fidelity!

IonQ is pioneering the development of the world's most advanced full-stack quantum computer using trapped-ion technology. We are transcending the boundaries of classical physics and current supercomputing capabilities to usher in a new age of computing. The implications of quantum computing extend across all sectors of human endeavor, promising significant advancements in medicine, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond. IonQ stands at the vanguard of this technological transformation. We are in search of a Staff Researcher specializing in Quantum Computing for Financial Applications and Algorithms. This senior technical leadership position will be essential in shaping the future of quantum finance and security architectures, utilizing IonQ's profound expertise in hardware and algorithmic advancement. The primary emphasis is on integrating quantum theory, artificial intelligence/machine learning, and quantitative finance at scale.As the ideal candidate, you will spearhead critical research initiatives, mentor junior researchers, and engage with global financial institutions. A vital aspect of this role is to convert intricate domain challenges into actionable quantum-enabled solutions. You will collaborate closely with IonQ’s hardware, software, and research teams to expedite the achievement of quantum advantages in areas such as financial modeling, optimization, and cryptography.

IonQ is pioneering the development of the most advanced full-stack quantum computer, leveraging trapped-ion technology. We are breaking the barriers of classical physics and current supercomputing capabilities to usher in a new epoch of computing. Quantum computing holds the promise to transform various sectors of human endeavor for the better. IonQ's innovations are set to revolutionize industries such as healthcare, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond. Join us as we lead this technological renaissance.We are in search of a Senior Network Orchestration Engineer to become an integral member of our collaborative team. In this pivotal role, you will serve as the chief architect of the high-level service plane, creating a seamless connection between quantum hardware and classical infrastructure.You will face the unique challenge of managing a distributed quantum networking and sensing solution, utilizing your expertise in high-scale systems to guide IonQ in its mission to construct the world’s premier quantum networks.

IonQ is at the forefront of revolutionizing quantum computing, developing the world's most advanced full-stack quantum computer powered by trapped-ion technology. We are transcending the boundaries of classical physics and current supercomputing capabilities to usher in a transformative era of computing. Our quantum systems are poised to enhance every facet of human existence. IonQ’s innovative technology is set to reshape industries such as healthcare, materials science, finance, artificial intelligence, machine learning, cryptography, and more.We invite a talented Staff Quantum Control Hardware Engineer to join our Networking, Sensing, and Security division. In this pivotal role, you will collaborate with a diverse team dedicated to advancing IonQ's mission of building the most powerful quantum computers and interconnected systems aimed at solving the world's most intricate challenges.As part of this position, you will be responsible for designing the essential physical layer interface for next-generation quantum networking nodes and high-precision sensing devices. Your expertise will be instrumental in creating low-noise, high-precision mixed-signal hardware crucial for controlling optical sources and reading single-photon detectors. This role offers a unique opportunity to shape the hardware architecture that will facilitate the quantum internet and ultra-secure communications.Key Responsibilities:Design and develop low-noise, high-precision mixed-signal circuit boards (DACs/ADCs) for driving optical modulators and laser sources for quantum networking protocols.Engineer ultra-low-noise readout interfaces for single-photon detectors utilized in Quantum Key Distribution (QKD) and sensing applications.Ensure hardware designs maintain the signal integrity and coherence necessary to preserve quantum states during transmission and transduction.Collaborate closely with FPGA Engineers to gather timing specifications and provide signal conditioning details for synchronization across network nodes.Lead the complete hardware lifecycle from schematic capture and PCB layout to simulation, testing, and system integration within a sensing or security testbed.Troubleshoot complex hardware interactions to reduce phase noise and jitter in networking hardware.Mentor junior hardware engineers and guide technical decisions regarding the physical layer architecture for security products.

At PsiQuantum, we are on a groundbreaking mission to create the first truly functional quantum computers—machines that could finally unlock the potential that the field has long envisioned. Since our inception in 2016, we have been dedicated to building and deploying million-qubit, fault-tolerant quantum systems.Quantum computers leverage the principles of quantum mechanics to tackle challenges that even the most sophisticated supercomputers or AI systems cannot address. Their transformative effects will resonate across various sectors, including energy, pharmaceuticals, finance, agriculture, transportation, and materials.Our innovative architecture is founded on silicon photonics. By harnessing the capabilities of the advanced semiconductor manufacturing industry—partnering with leaders like GlobalFoundries—we utilize the robust processes that already produce billions of chips for telecommunications and consumer electronics. Photonics offers unparalleled scalability: photons are unaffected by heat, immune to electromagnetic interference, and seamlessly integrate with existing cryogenic cooling and standard fiber-optic infrastructures.In 2024, PsiQuantum announced significant government-funded initiatives aimed at establishing our inaugural utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These projects highlight the growing acknowledgment that quantum computing will be a defining force, both strategically and economically, and that the time to scale these technologies is now.Additionally, PsiQuantum develops the essential algorithms and software that will render these systems commercially viable. Our application, software, and industry teams collaborate closely with top Fortune 500 companies—including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical—to prepare quantum solutions for tangible real-world impact.Quantum computing symbolizes a fundamental evolution beyond classical computing—it represents a pivotal shift and a pathway to conquering challenges that cannot be resolved through conventional means. The potential is vast, and we have a clear strategy to realize it.Join us on this extraordinary journey.

At Anduril Industries, we are a pioneering defense technology firm dedicated to enhancing the military capabilities of the United States and its allies through state-of-the-art technology. We leverage the innovative strategies, expertise, and advanced technologies from some of the most forward-thinking companies of the 21st century to revolutionize the design, construction, and commercialization of military systems. Our systems are powered by Lattice OS, an AI-driven operating system that integrates thousands of data streams into a real-time, 3D command and control platform. As we navigate a new era of strategic competition, Anduril is steadfast in its commitment to deploy cutting-edge autonomy, artificial intelligence, computer vision, sensor fusion, and networking technologies to the military in accelerated timelines.ABOUT THE TEAMAnduril Labs comprises a diverse team of technologists, solution architects, engineers, and military experts. Our mission is to spearhead innovation across all Anduril business units and product lines by developing groundbreaking concepts and next-gen technologies that elevate Anduril’s competitive stance and provide our customers with a decisive technological edge in defense operations.ABOUT THE JOBWe are on the lookout for a skilled and visionary Quantum Software Engineer to become a vital member of our innovative team at Anduril Labs. As part of your responsibilities, you will play a crucial role in creating and delivering transformative quantum solutions tailored for both internal projects and external client applications. You will collaborate closely with delivery leads, application developers, and other solution architects, alongside internal and external partners, to conceptualize, develop, and deploy cutting-edge quantum solutions on advanced quantum-inspired, quantum annealing, and quantum gate platforms to address real-world defense and national security challenges.The ideal candidate will possess a solid grounding in quantum computing principles along with practical experience in classical and quantum software development. You will utilize your expertise to convert intricate challenges into (hybrid) quantum algorithms, applications, and services. This includes crafting robust software solutions and integrating quantum-enhanced capabilities into both existing and new defense systems. If you are driven by the desire to apply theoretical quantum concepts to yield impactful, high-stakes results, and you thrive in a collaborative and innovative environment, we invite you to apply.

Join US Federal Solutions (USFS), a premier ISO 9001 certified management consulting firm, headquartered in the National Capital Region. With a robust presence across 12 states, our team boasts an impressive average of over 10 years of professional experience. Over 80% of our workforce holds bachelor's degrees, and more than half possess advanced degrees in business and technology. Since our inception in 2010, we have been dedicated to delivering top-tier financial management, acquisition management, program management, and data analytic support services to federal and state governments.Position Overview: US Federal Solutions is actively seeking an exceptionally organized and detail-oriented Secretariat Support Specialist to join our team supporting the Headquarters U.S. Space Force (HQSF) S3/4/7. This pivotal role presents an exciting opportunity to contribute to a mission-critical organization, ensuring the effectiveness of operations and administrative functions vital to the Space Force's mission.In this dynamic headquarters environment, you will provide executive-level secretariat, administrative, records management, correspondence, and task management support. The ideal candidate will have extensive experience in assisting senior leaders, managing action items, crafting polished communications, and ensuring the timely and accurate handling of records, reports, and official correspondence. You must be able to collaborate with multiple stakeholders, maintain strict attention to detail, and thrive in a fast-paced, high-security environment.Important Requirement: An active TS/SCI clearance is REQUIRED.

Join our innovative team at Comtech LLC as a Senior Research Scientist / Data Scientist. In this pivotal role, you will leverage your expertise in data analysis and scientific research to drive impactful solutions and insights. Collaborate with cross-functional teams to develop and implement advanced data-driven methodologies that support our strategic objectives.

IonQ is at the forefront of a groundbreaking technological revolution, developing the world's most advanced full-stack quantum computer powered by trapped-ion technology. Our mission is to transcend the boundaries of classical physics and traditional supercomputing, ushering in an unprecedented era of computation. Quantum computing holds the promise to transform numerous sectors, including healthcare, materials science, finance, artificial intelligence, machine learning, cryptography, and beyond.As the only vertically integrated full-stack quantum platform company, IonQ is committed to redefining industries and enhancing human society through our innovative quantum capabilities. We are seeking a Senior Director of Product Marketing for Quantum Platforms to spearhead the development of cross-platform narratives, ensure launch coherence, and adapt industry-specific messaging for our expanding technology portfolio.In this pivotal role, you will collaborate with executive leadership, product teams, and go-to-market (GTM) personnel to craft a cohesive platform narrative. Your efforts will ensure that our messaging is consistent, clear, and impactful across all customer, partner, analyst, and investor interactions. You will take the lead in establishing and maintaining a credible market story that positions IonQ as a long-term leader in the quantum platform space while allowing each product family to maintain its unique technical authority.The Senior Director will coordinate closely with various product lines to manage product launches and significant technological milestones, ensuring that each release reinforces our leadership in the market. In parallel, you will develop materials that tailor the platform narrative to key industries and regions, facilitating high-quality executive conversations on a global scale.This role is ideal for a technology-savvy, commercially-oriented product marketing leader who thrives in dynamic environments and is eager to influence how we define and lead our industry.

Streamline Defense is hiring a Senior Exploitation Specialist / Data Scientist to support the NGA Analysis Office (AOT) within US Special Operations Command, based in Tacoma, WA. This senior-level position centers on building Python-powered analytical tools and geospatial processes that help convert raw data into practical intelligence for SOF teams. Role overview This hands-on role involves close collaboration with experienced SOF intelligence professionals. The focus is on scoping technical problems, developing and coding solutions, and deploying those solutions for operational use. The position requires both independent technical work and teamwork within a high-stakes mission environment. What you will do Design and implement Python solutions that directly support SOF intelligence operations. Use Python to connect with web APIs, retrieve and normalize data, and prepare it for mission use. Build interactive dashboards and analytical interfaces using tools such as Dash, Streamlit, Panel, Tableau, or similar platforms. Create data visualizations with libraries like Plotly, Seaborn, Matplotlib, Bokeh, or comparable options. Apply geospatial processing frameworks (such as GDAL and ArcPy) and GIS software (ArcGIS Pro, QGIS) to solve GEOINT tasks. Manage code repositories using Git (GitLab or GitHub) and produce clear technical documentation for all developed systems. Requirements Advanced Python development skills, especially for data analysis and tool creation. Experience with API integration and data normalization. Proficiency in building dashboards and analytical interfaces with modern platforms. Strong background in data visualization using common Python libraries. Knowledge of geospatial processing frameworks and GIS tools relevant to GEOINT. Familiarity with version control using Git and writing technical documentation.

At Lyft, we are dedicated to fostering connections and serving our communities. We believe that a diverse and inclusive work environment empowers every team member to excel and thrive.Data Science plays a vital role in shaping Lyft’s products and driving our strategic decisions. As a Data Scientist specializing in Algorithms within our dynamic Fulfillment team, you'll confront fascinating challenges that influence critical business strategies and enhance our innovative offerings. We are looking for passionate and motivated Data Scientists to tackle some of the most compelling and impactful issues in the ridesharing industry.Your primary focus will be to create advanced mathematical models that support our platform’s essential services, solving complex problems related to optimization, prediction, machine learning, and inference. You will collaborate closely with cross-functional teams to refine algorithms that optimize rideshare supply and demand in real-time, ultimately enhancing the experiences of both Lyft Riders and Drivers.

Join our innovative team at Comtech LLC as a Senior Research Scientist / Data Scientist. In this pivotal role, you will leverage your expertise in data analytics and research methodologies to drive impactful insights and solutions. Collaborate with multidisciplinary teams to enhance our projects and contribute to groundbreaking advancements in technology.