HQ: Louisville, Fairport, United States • Science & Engineering • Hardware • Quantum Science & Computing • Sensors & Transducers • Quantum Computing Hardware • 1001-5000 employees • Est. 2007 • NYSE: INFQ • Trust A • Hiring 56, 6 new
Infleqtion is an American quantum technology company that builds products based on cold atom physics, including neutral-atom quantum computers, optical atomic clocks, quantum radio frequency receivers and inertial and gravity sensors for navigation where satellite signals are unavailable. Founded in 2007 as ColdQuanta and renamed Infleqtion in 2022, it supplies research institutions, defense agencies and commercial customers and runs operations in the United States and the United Kingdom. The company is headquartered in Louisville, Colorado, United States.
Matthew Kinsella · Executive Officer, Director · decision-maker
Ilan Hart · Executive Officer · decision-maker
Jason Hall · Executive Officer · decision-maker
Paul Lipman · Executive Officer · decision-maker
Careers mailbox is known
≈ $78k – $159k per year (Estimated) • Equity • Head+ • Hybrid (Oxford, United Kingdom) • Full-Time • Architect
≈ $81k – $203k per year (Estimated) • Equity • In office (Kidlington, United Kingdom) • PhD • Full-Time
HQ: Bristol, United Kingdom • Quantum Science & Computing • 51-200 employees • Est. 2019 • Startup • Trust D • Hiring 11, 1 new
Phasecraft is a British quantum algorithms company founded in 2019 by academics from Bristol and University College London. It designs algorithms that squeeze useful results from near term quantum hardware, particularly for materials and chemistry problems. The company partners with quantum hardware makers and industrial research groups.
No named decision-maker yet.
Careers mailbox is known
≈ $63k – $186k per year (Estimated) • In office (London, United Kingdom) • PhD • Full-Time
C++
Python
Quantum
Qiskit
Cirq
PennyLane
≈ $63k – $187k per year (Estimated) • In office (London, United Kingdom) • PhD • Full-Time
HQ: Reading, United Kingdom • Quantum Science & Computing • Quantum Computing Hardware • 201-500 employees • Est. 2017 • Startup • Trust A • Hiring 30, 5 new
OQC, or Oxford Quantum Circuits, is a quantum computing company headquartered at Thames Valley Science Park near Reading that builds superconducting quantum computers based on its patented Coaxmon architecture and dual-rail Dimon qubit, offered as a cloud service and deployed in commercial data centres. Founded in 2017 by Peter Leek from his University of Oxford research group, it has delivered three generations of systems, has sites in London, Tokyo, New York and Spain, and closed a Series C round of about 260 million pounds. It hires quantum, hardware, FPGA and embedded software engineers, algorithm researchers, cleanroom and nanofabrication technicians and finance and operations staff.
No named decision-maker yet.
Careers mailbox is known
≈ $61k – $143k per year (Estimated) • Senior • In office (Reading, United Kingdom) • Full-Time • Senior
≈ $85k – $214k per year (Estimated) • In office (Reading, United Kingdom) • Full-Time
HQ: London, United Kingdom • Education • Quantum Science & Computing • Higher Education • Trust A • Hiring 18, 3 new
Sydney Quantum Academy’s vision is to build a quantum-ready Australia. Collaborating with academia, industry and government, SQA will harness Sydney’s collective quantum expertise to develop diverse talent and a globally recognised quantum ecosystem.
No named decision-maker yet.
Careers mailbox is known
≈ $39k – $77k per year (Estimated) • Middle • 3+ years exp • In office (London, United Kingdom) • Full-Time • Middle
≈ $63k – $187k per year (Estimated) • Intern • In office (London, United Kingdom) • Master's Degree • Internship • Intern
HQ: London, United Kingdom • Hardware • Manufacturing • Electronics Manufacturing • Science & Engineering • Quantum Science & Computing • Quantum Computing Hardware • 11-50 employees • Est. 2017 • Startup • Trust A • Hiring 18, 3 new
Quantum Motion is a British deep-tech company developing scalable, fault-tolerant quantum computing architectures using silicon-based technology. Headquartered in London, United Kingdom, the company leverages standard industrial CMOS semiconductor fabrication processes to produce high-density quantum processors. By harnessing established microchip manufacturing infrastructure, it aims to deliver mass-manufacturable quantum hardware capable of driving breakthroughs in chemistry, medicine, and artificial intelligence.
No named decision-maker yet.
Careers mailbox is known
≈ $39k – $77k per year (Estimated) • Middle • 3+ years exp • In office (London, United Kingdom) • Full-Time • Middle
≈ $63k – $187k per year (Estimated) • Intern • In office (London, United Kingdom) • Master's Degree • Internship • Intern
HQ: Palo Alto, United States • AI for Science • Information Security • Quantum Science & Computing • 201-500 employees • Est. 2016 • Startup • Hiring 32, 8 new
SandboxAQ is an enterprise technology company that combines artificial intelligence with quantum-inspired and advanced computing methods. Its products include large quantitative models and AI simulation for drug discovery, chemistry and materials science, AQtive Guard for cryptography management and post-quantum migration, and AI-based magnetic sensing for navigation. It spun out of Alphabet and serves enterprises and government agencies. The company is headquartered in Palo Alto, California, United States.
No named decision-maker yet.
No careers mailbox known
$114k – $201k per year • In office (United Kingdom) • Bachelor's Degree • Full-Time
Python
AI/ML
Fine-tuning
Braintrust
Red Teaming
LLM Guardrails
AI Agents
Verified live · 1 hour ago
3 days ago
Hiring now · 99%
AI Engineer
$87k – $152k per year • In office (United Kingdom) • Master's Degree • Full-Time
Python
AI/ML
Fine-tuning
Braintrust
Red Teaming
LLM Guardrails
AI Agents
Skills these roles ask for
Python 51IonQ 20Rust 15C++ 14CI/CD 11Linux 10SystemVerilog 9Verilog 8Kubernetes 8Git 6Cadence Virtuoso 6Terraform 6AWS 5Ansible 5MATLAB 5Rest API 5
OQC
IonQ
Universal Quantum
Quantum Motion
Sydney Quantum Academy
Infleqtion
Nu Quantum
PsiQuantum
Phasecraft
Riverlane
SandboxAQ
Mesa Quantum
QuEra Computing
Quantinuum
UK Research and Innovation
