Full-Time

Senior Quantum Applications Engineer

Qec

Posted on 10/31/2025

Quantum Circuits

Quantum Circuits

11-50 employees

Develops full-stack superconducting quantum platform

No salary listed

New Haven, CT, USA

Remote

Category
Quantum Computing
Required Skills
Python
Git
Requirements
  • MS or PhD in Physics, Chemistry, Computer Science, Electrical Engineering, or related field with a specialization in quantum computing
  • 5+ years of experience with Python programming or another general-purpose programming language
  • 3+ years of quantum computing industry experience including QEC experience and deployment of quantum algorithms
  • Expertise with one or more quantum computing SDKs like Qiskit, Q#, or CUDA-Q
  • Expertise with principles of quantum computing and quantum information science
  • Expertise in quantum error correction
  • Competence with Git version control and experience with development in a collaborative environment
  • Excellent communication and interpersonal skills with the ability to effectively communicate complex technical concepts
Responsibilities
  • Implement and test QEC codes within our software stack based on evolving requirements
  • Iterate upon code implementations rapidly based on experimental results
  • Develop and execute QEC simulations to guide the development of our QEC approach
  • Project the earliest feasible quantum algorithms that leverage the capabilities of our system including projecting and simulating the earliest fault-tolerant algorithms
  • Innovate on QEC codes and their software implementations, working directly with QEC theorists and quantum engineers
  • Collaborate on the execution of groundbreaking QEC experiments, working closely with quantum engineers
  • Engage with our users to help them use our systems and adapt use cases to our systems in a wide range of industries such as logistics, finance, pharmaceuticals, and materials science
Desired Qualifications
  • PhD or postdoctoral research in Physics, Chemistry, Computer Science, Electrical Engineering, or a related field
  • Impactful publications on quantum error correcting codes
  • Experience with high performance simulations of quantum error correcting codes
  • Experience with components of QEC including decoder algorithms, lattice surgery, and magic state preparation
  • Experience with intermediate representations, particularly QIR
  • Experience in use of software testing principles and practices, including unit testing, integration testing, end-to-end testing, and containerization and orchestration technologies
  • Experience with quantum algorithms in an applied setting (e.g., building hybrid quantum/classical end-to-end solution for a meaningful use case)
  • Experience in machine learning or data science and tools like PyTorch or TensorFlow
  • Experience in use of software testing principles and practices, including unit testing, integration testing, end-to-end testing, and containerization and orchestration technologies (e.g. Docker, Kubernetes, ...)

Quantum Circuits is building a full-stack quantum computing platform based on superconducting qubits, designed to be modular and scalable. The system blends superconducting processors with built-in error correction and a modular architecture, plus software features that speed up quantum algorithm execution and support multiple operation modes. Its approach differentiates it by offering an integrated, error-corrected platform with diverse operation modes, built on Yale-developed research. The goal is to deliver a truly useful, scalable quantum computer capable of solving real-world problems.

Company Size

11-50

Company Stage

Acquired

Total Funding

$654.5M

Headquarters

New Haven, Connecticut

Founded

2015

Simplify Jobs

Simplify's Take

What believers are saying

  • D-Wave's $550M acquisition accelerates 2026 gate-model QPU launch.
  • NVIDIA CUDA-Q integration enhances hybrid quantum-classical workflows.
  • Algorithmiq partnership speeds drug discovery via Aqumen Seeker.

What critics are saying

  • Talent exodus post-acquisition delays gate-model launch by 6-12 months.
  • D-Wave's annealing priority stalls dual-rail commercialization versus IBM.
  • IonQ's trapped-ion qubits surpass dual-rail fidelity in 18-24 months.

What makes Quantum Circuits unique

  • Quantum Circuits pioneers dual-rail qubits with built-in error detection.
  • Yale spinout leverages Dr. Rob Schoelkopf's expertise in superconducting qubits.
  • Aqumen Seeker advances fault-tolerant quantum computing path.

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Benefits

Remote Work Options

Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

40%

1 year growth

46%

2 year growth

46%
Business Wire
Jan 8th, 2026
D-Wave Announces Agreement to Acquire Quantum Circuits Inc., Establishing World’s Leading Quantum Computing Company

D-Wave Quantum Inc. (NYSE: QBTS) (“D-Wave” or the “Company”), a leader in quantum computing systems, software, and services, and the world’s first commercial...

AskTraders
Jan 7th, 2026
D-Wave Quantum (QBTS) Stock Holding Steady on $550 Million Quantum Circuits Acquisition

D-Wave Quantum (QBTS) stock holding steady on $550 million Quantum Circuits acquisition. D-Wave Quantum Inc. (QBTS) is making waves in the quantum computing sector, with its stock price holding fairly steady following the announcement of a definitive agreement to acquire Quantum Circuits Inc. for $550 million. The deal, coupled with a recent breakthrough in gate-model quantum computing, has positioned D-Wave as a key player in the burgeoning quantum technology landscape.

Quantum Computing Report
Sep 2nd, 2025
Quantum Circuits Integrates with NVIDIA CUDA-Q to Advance Dual-Rail Qubit Applications

Quantum Circuits, Inc. (QCI) has announced a collaboration with NVIDIA to integrate NVIDIA CUDA-Q programming capabilities into its Aqumen software suite.

Quantum Computing Report
Feb 12th, 2025
Algorithmiq Leverages Quantum Circuits' Aqumen Seeker for Accelerated Drug Discovery

Algorithmiq, a European quantum algorithm company focused on life sciences, is partnering with Quantum Circuits, Inc. to enhance drug discovery using the full-stack quantum computing system Aqumen Seeker.

Drug Discovery Online
Feb 12th, 2025
Algorithmiq Transforms Drug Discovery By HarnessingQuantum Circuits' Aqumen Seeker To Accelerate Chemistry Calculations

Last year, Quantum Circuits announced a $60 million Series B round and the launch of Aqumen Seeker.

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