Senior Software Engineer - Developer Tools

IonQ is looking for a Senior Software Engineer to focus on developer tools. This role centers on building and enhancing software that supports developers working with quantum computing systems. What you will do Design, implement, and refine tools that make quantum programming more accessible Work closely with teams from different disciplines to understand de…

About IonQ IonQ, Inc. stands as a leader in quantum computing, delivering integrated solutions across computing, networking, sensing, and security. The company’s IonQ Tempo platform marks a major advance in quantum technology, helping clients such as Amazon Web Services and AstraZeneca accelerate work in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, IonQ achieved 99.99% two-qubit gate fidelity, setting a new world record in quantum computing performance. Headquartered in College Park, Maryland, IonQ operates in locations including Washington, California, Colorado, Massachusetts, Tennessee, Italy, South Korea, Sweden, and Switzerland, reflecting a broad global presence in quantum technology.

Join IonQ as a Senior Embedded Systems Software Engineer and play a pivotal role in advancing quantum computing technology. You will work on cutting-edge embedded systems that drive our quantum hardware, collaborating with a talented team of engineers and scientists. Your expertise will contribute to the development and optimization of embedded software solutions that enhance the performance and reliability of our quantum systems.

We are seeking a Systems Engineer, not a traditional Mechanical Engineer III.The ideal candidate will possess a strong foundation in the following functional competencies: [1] Fact-Based Decision Making - Decisions are derived from factual analysis rather than intuition - Skillful problem analysis and resolution using logical frameworks [2] Communication and Presentation Skills - Effectively document data and decisions in a detailed, structured manner - Adapt presentation styles to suit various audiences - Convey complex technical information succinctly.Roles & Responsibilities[1] Translate business and user requirements into comprehensive system requirements. [2] Formulate and execute the verification strategy while reviewing results to ensure compliance with system requirements. [3] Develop and maintain the system design Failure Modes and Effects Analysis (FMEA), which informs module design FMEAs. [4] Establish and manage the project database utilized for documenting outputs throughout the V-model process. [5] Communicate V-model maturity status to management throughout the product development lifecycle.Minimum Qualifications[1] Bachelor’s or Master’s degree in Mechanical, Electrical, or Biomedical Engineering. [2] A minimum of 2 years of experience in a product development environment, with a focus on requirements management, preferably using DOORS or a similar tool, and familiarity with product development compliant to Subpart C of the Quality System Regulation. [3] At least 1 year of experience applying Design for Six Sigma methodologies and tools.

IonQ is pioneering the development of the world's most powerful full-stack quantum computer utilizing trapped-ion technology. We are transcending the boundaries of classical physics and existing supercomputing capabilities to usher in a new era of computational power. Quantum computing holds the remarkable potential to positively influence numerous facets of human life. IonQ's innovations are set to transform industries such as healthcare, materials science, finance, artificial intelligence, machine learning, and cryptography. Join us at the forefront of this technological revolution.We are in search of a strategic and visionary Director of Software Engineering to spearhead the development and operational excellence of the core services offered by the IonQ Quantum Cloud platform (experience it here: https://cloud.ionq.com). This critical role is responsible for providing seamless access to our advanced quantum computers and simulators through our APIs both in the cloud and on-premises. The Director will influence the technical trajectory of the IonQ Quantum Cloud API platform, ensuring its alignment with IonQ's broader business objectives and the emerging market opportunities within the ever-evolving landscape of quantum computing.The successful candidate will possess a wealth of experience in leading or contributing to multiple concurrent initiatives, adeptly balancing diverse activities with a focus on prioritizing efforts that yield the greatest impact. You will leverage your technical acumen and business insight to make impactful technology decisions. Striving for simplicity, you will exhibit significant creativity and sharp judgment. You will thrive in learning complex technical subjects, collaborating across various business domains, and play a pivotal role in advancing secure quantum computing.

IonQ is at the cutting edge of quantum computing, developing the world's most advanced full-stack quantum computer powered by trapped-ion technology. We are pushing the boundaries of classical physics and supercomputing, paving the way for a transformative era in computing. Quantum computing holds the potential to revolutionize various sectors, including healthcare, materials science, finance, artificial intelligence, machine learning, and cryptography. Join us as we lead this technological revolution.At IonQ, we not only create state-of-the-art quantum computers but also offer them through cloud services, providing significant computational capabilities to our customers. We are in search of a Staff Software Engineer to spearhead our billing and payments platform integration efforts, enabling us to meter and sell our innovative products effectively. This role will involve collaborating closely with our product team and fellow engineers to enhance the quantum developer experience for our clients and partners.