Senior Software Engineer - Compiler

IonQ is developing the world's most powerful full-stack quantum computer based on trapped-ion technology. We are pushing past the limits of classical physics and current supercomputing technology to unlock a new era of computing. Quantum computing has the potential to impact every area of human society for the better. IonQ's computers will soon redefine industries like medicine, materials science, finance, artificial intelligence, machine learning, cryptography, and more. IonQ is at the forefront of this technological revolution.

We are looking for a Senior Software Engineer to join our small but effective compiler engineering team. As a Senior Software Engineer on the compiler team, you'll be part of a customer-obsessed, cross-organizational and cross-functional team whose mission is to lead IonQ on its journey to build the world's best quantum computers to solve the world's most complex problems. You will be critical to the company's success, delivering results with measurable impact.

As part of the compiler engineering team, you will be responsible for developing and maintaining ahead-of-time (AOT) and just-in-time (JIT) compilations for quantum computing, including quantum machine learning and quantum chemistry.

Responsibilities:

• Design, develop, test, deploy, maintain and improve our quantum compiler stack; we're a small team and we count on each other to run with projects independently.
• Perform R&D to support new hardware platforms, programming paradigms, and software tooling to enable optimal performance for quantum computing workloads.
• Deliver world-class quantum circuit optimizations with compiler innovations and efficient execution of those innovations; convert abstract descriptions of algorithms into efficient and understandable software implementations.
• Help the industry define programming models, algorithms, and intermediate representations for quantum computing.
• Interpret and communicate complex concepts to the wider team.
• Collaborate with an experienced interdisciplinary staff.
• Participate in design and code reviews.
• Approach problems pragmatically.
• Help us continuously improve how we do things.

The ideal candidate will show potential for: leading and contributing to multiple simultaneous development efforts, projects, and initiatives; balancing technical expertise and savvy with strong business judgment to make great technology decisions; striving for simplicity and demonstrating creativity and incisive judgment.

You'd be a good fit with:

• Bachelor's Degree in Computer Science, Math, or a related field; non-traditional backgrounds are welcome.
• 6+ years of development experience in compiler optimization for various architectures.
• Strong knowledge of Python and a systems programming language such as C++/Rust, or a highly-productive language like OCaml; and a strong math background, especially linear algebra.
• Experience with algorithm design and development; benchmarking and performance-oriented optimizations.
• Strong focus on testing and software quality.

You'd be a great fit with:

• An Advanced degree in Computer Science, Math, or a related field; non-traditional backgrounds are welcome.
• Experience developing projects using MLIR/LLVM and/or Qiskit, Cirq, or the like.
• Understanding of advanced compiler optimization techniques.
• Education or training in quantum computing and/or quantum information science (such as work experience, coursework, thesis, or peer-reviewed publications).
• Experience developing toolkits, compilers, or runtime environments for heterogeneous architectures.

Location:

This position is located in our newest facility in Bothell, WA. We are open to hybrid and remote options for the right candidate.

The salary range for this position is $153,003 - $200,321.

The base pay component of the offer will vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. Posted figures are subject to change as new market data becomes available. The total compensation package may include other elements dependent on the position and level. Details of participation in these benefit plans will be provided if a candidate receives an offer of employment. Beyond base pay, total compensation includes a variable bonus and equity component, as well as a range of benefit options which can be found on our site at ionq.co/jobs . Some of our benefits include pet insurance, legal insurance, home internet stipend, a generous PTO plan, parental/adoption leave, 401K, medical, dental and vision plans as well as paid holidays.

Our HQ is located in College Park, Maryland which is only a 15-minute metro ride from Washington DC. We are actively building out our recently opened manufacturing and production facility in the Seattle, Washington area. Depending on the position, you may be required to be located near our offices in College Park, Seattle, or Toronto. However, IonQ will be expanding into additional geographies both domestically and internationally so don't let this stop you from applying!

At IonQ, we believe in fair treatment, access, opportunity, and advancement for all, while at the same time striving to identify and eliminate barriers. We empower employees to thrive by fostering a culture of autonomy, productivity, and respect. We are dedicated to creating an environment in which any individual can feel welcomed, respected, supported, and valued.

We are committed to equity and justice. We welcome different voices and viewpoints and do not discriminate on the basis of race, religion, color, national origin, ancestry, physical and/or mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, transgender status, age, sexual orientation, and military or veteran status, or any other basis protected by law. We are proud to be an Equal Employment Opportunity employer.

If you are interested in being a part of this team and mission, we encourage you to apply!