PsiQuantum · 2 days ago
Senior Software Engineer, AI for Quantum
Palo Alto, CA
Full-time
Onsite
Senior Level, Lead/Staff
$170K/yr - $200K/yr
8+ years expPsiQuantum is a company focused on building the first useful quantum computers. They are seeking an experienced Machine Learning expert to join their AI for Quantum initiative, working on Quantum Error Correction and related computational research.
ComputerHardwareQuantum ComputingSemiconductorSoftware
Responsibilities
Develop large-scale pretraining, fine tuning and inference efforts for models used in QEC and related classical control problems
Design, implement, and optimize GPU/CUDA/C++ kernels and distributed training pipelines for high-performance model development
Collaborate with physicists and engineers to translate quantum phenomena and simulation outputs into ML-relevant data representations
Prototype and evaluate new ML architectures for solving QEC-related classical control problems
Work closely with infrastructure teams to ensure seamless integration of ML components into existing quantum computation pipelines
Drive best practices in ML experimentation, data curation, and reproducible research within the team
Qualification
Required
8+ years of professional experience with a strong background in mathematics or physics (Bachelor's or higher in a quantitative field such as Physics, Applied Math, Computer Science, or related discipline)
Proven expertise in large-scale pretraining, distributed optimization, and scaling methods (e.g., model/data parallelism)
Fluent in Python and at least one systems programming language (C, C++, Rust)
Proficiency in GPU programming and kernels (e.g. CUDA, Triton, Warp, CuTe, CUTLASS)
Experience with GPU programming and performance profiling for ML workloads
Familiarity with modern ML frameworks such as PyTorch and JAX
Excellent communication skills and ability to collaborate with cross-disciplinary teams spanning physics, ML, and software engineering
Knowledge of model compression, distributed systems, or compiler-level optimization for ML runtimes
Proven ability to work closely with subject matter experts, data analysts, or other non-traditional software stakeholders
Excellent communication, problem‑solving, and cross‑team collaboration skills
Preferred
Preference for those with prior exposure to quantum computing concepts or physics-informed ML
Benefits
Full time roles are eligible for equity and benefits.
Company
PsiQuantum
PsiQuantum focuses on developing a scalable quantum computer using photonic qubits.
501-1000 employees
H1B Sponsorship
PsiQuantum 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 (12)
2024 (10)
2023 (4)
2022 (7)
2021 (15)
2020 (5)
Funding
Current Stage
Late StageTotal Funding
$2.3BKey Investors
BlackRockAtomicoFounders Fund
2025-09-10Series E· $1B
2025-05-30Series Unknown· $22M
2024-11-05Secondary Market
Leadership Team
Peter Shadbolt
Co-founder and Chief Strategy Officer
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