Quantum Compilation Intern M/F
at Alice Bob
Paris, entry, internship
posted 19 Oct 2026
- Classical coding theory
- Stim
- Lattice surgery
- Repetition codes
- LDPC codes
- SAT/SMT solvers
- CSS codes
- Z3
- Combinatorial optimisation
- Magic state distillation
- Python
- Quantum error correction
About the role
Posted: 2026-10-19
Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems. The quantum computer we envision building is based on a new kind of superconducting qubit: the Schrödinger cat qubit 🐈⬛. In comparison to other superconducting platforms, cat qubits have the astonishing ability to implement quantum error correction autonomously! We're a diverse team of 250+ brilliant minds from over 35 countries united by a single goal: to revolutionise computing with a practical fault-tolerant quantum machine. Are you ready to take on unprecedented challenges and contribute to revolutionising technology? Join us, and let's shape the future of quantum computing together!
What you would do
- Review the state of the art in magic state distillation • Survey single- and multi-output (batched) protocols, qubit-recycling techniques and unfolded (physical-level) distillation • Identify promising candidates for Alice & Bob’s architecture, including two-stage strategies combining physical- and logical-level distillation
- Compile distillation protocols to Alice & Bob’s logical instruction set • Translate selected protocols into sequences of logical operations native to Alice & Bob’s architecture • Integrate magic state injection schemes and hardware connectivity constraints into the compiled protocols
- Design and optimise factory layouts • Propose concrete layouts for repetition-code and LDPC-code architectures • Minimise factory space-time volume by jointly optimising code distances, degree of paral-lelism and placement of operations
- Develop resource-estimation and noise-simulation tools • Build a tool exploring the multi-parameter design space and computing the space-time cost of candidate factories • Run circuit-level noise simulations to validate factory output fidelities and refine the resource estimates
- Extend the scope and communicate results • Design new distillation protocols where the exploration reveals gaps, and apply the developed tools to Clifford state factories • Document results in an internal report and, where relevant, contribute to publications or invention disclosures
What they are looking for
You are curious and rigorous, comfortable with open-ended research questions, and able to work independently while engaging regularly with the team.
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