Quantum Circuits, Inc. · 3 months ago
Senior Software Engineer – Quantum Compiler
United States
Full-time
Remote
Senior Level
5+ years expQuantum Circuits, Inc. is building the world’s first truly algorithmic quantum computers to achieve transformational computing capabilities. They are seeking a talented Senior Software Engineer to develop key pieces of their software platform and tools, focusing on the compiler and interface for quantum programming environments.
ComputerManufacturingQuantum ComputingSoftware
Responsibilities
Collaborate with product managers, scientists, and other engineers to translate functional requirements into technical specifications and deliverables
Work directly with quantum application engineers and quantum physicists to understand how to convert general quantum circuits into an implementation on our industry-leading dual-rail qubit architecture
Architect and build efficient, reliable, and maintainable compiler software and tools
Write clean, well-documented code and conduct thorough code reviews to ensure code quality and maintainability
Troubleshoot and debug issues, identify bottlenecks, and implement solutions to optimize performance and improve the user experience
Provide software mentorship and guidance to quantum physicists on best practices and help drive software best practices
Qualification
Required
Minimum MS or higher in Computer Science, Electrical/Computer Engineering, Math, Physics, or Chemistry
Minimum 5+ years of hands-on software development experience with C, C++, Python, or another general-purpose programming language
Minimum 2+ years developing compiler software / transpiling quantum models and using API's such as Qiskit, CUDA-Q, Q#, or Cirq to convert quantum circuits into quantum logic and basis gates
Strong understanding of compiler design fundamentals
Experience with intermediate representations such as QIR and compiler toolchain technologies including LLVM, MLIR, lexers, and parsers
Experience programming with one or more high level quantum programming languages and/or models such as Qiskit, CUDA-Q, Q#, Cirq, etc
Proficient with database systems and SQL with hands-on experience working with relational databases (e.g. PostgreSQL, Oracle)
Competence with Git version control, build tools, and CI/CD pipelines
Use of software testing principles and practices, including unit testing, integration testing, and end-to-end testing
Strong problem-solving skills, attention to detail, and the ability to work effectively in a collaborative team environment
Excellent communication and interpersonal skills with the ability to effectively communicate complex technical concepts
Preferred
PhD in Computer Science, Electrical/Computer Engineering, Math, Physics, or Chemistry
Minimum 7+ years of hands-on software development experience with C, C++, Python, or another general-purpose programming language
Minimum 5+ years developing compiler software / transpiling quantum models and using APIs such as Qiskit, CUDA-Q, Q#, or Cirq to convert quantum circuits into quantum logic and basis gates
Minimum 2+ years directly programming with one or more high level quantum programming languages and/or models such as Qiskit, CUDA Quantum, Q#, etc
Experience in scientific computing, quantum physics, or quantum computing a plus
Experience developing toolkits, compilers, or runtime environments for heterogenous architectures
Experience with ahead-of-time and just-in-time compilation for quantum computing
Experience with embedded systems, algorithms, and/or low-level control software for hardware a plus
Experience with multi-threaded programming, execution, and HPC architectures
Experience with meta programming languages
Company
Quantum Circuits, Inc.
Quantum Circuits is developing a full-stack quantum computing platform using superconducting devices and a modular, robust, and scalable architecture.
11-50 employees
H1B Sponsorship
Quantum Circuits, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (8)
2024 (1)
2022 (2)
2020 (1)
Funding
Current Stage
Growth StageTotal Funding
$78MKey Investors
Fitz Gate Ventures
2026-01-06Acquired
2024-05-01Series B· $60M
2017-11-13Series A· $18M
Leadership Team
Ray Smets
President and CEO
Robert Schoelkopf
Chief Scientist
Recent News
Inside HPC & AI News | High-Performance Computing & Artificial Intelligence
2026-01-09
Hartford Business Journal
2026-01-09
Company data provided by crunchbase