Phasecraft

About the Company

Phasecraft is the quantum algorithms company. We’re building the mathematical foundations for quantum computing applications that solve real-world problems.

Our team brings together many of the world’s leading quantum scientists, including founders Toby Cubitt, Ashley Montanaro, and John Morton and quantum consultant Andrew Childs.

In 2020 we completed a record £3.7m seed round for a quantum computing company in the UK, led by VC firm LocalGlobe.

Listed Jobs

Company Name

Phasecraft

Job Title

Quantum Software Intern

Job Description

**Job title:** Quantum Software Intern **Role Summary:** Conduct a technical research project on near‑term quantum algorithms. Design or implement algorithms and analyze their performance, potentially on real or simulated quantum hardware, within a startup environment focused on foundational quantum computing. **Expectations:** - Complete a 2–3 month internship, often during summer, contributing to publishable research. - Demonstrate curiosity and willingness to learn advanced quantum concepts. - Produce clear, reproducible code and documentation. **Key Responsibilities:** - Investigate, design, or refine quantum algorithms for problems such as Hamiltonian simulation or fermionic encodings. - Implement algorithms in quantum SDKs (Cirq, Qiskit, QuEST) or simulate them on classical platforms (Python, Julia). - Analyze algorithmic complexity and optimize for available hardware constraints. - Collaborate with senior researchers; present findings in team meetings and prepare written reports. **Required Skills:** - Strong knowledge of algorithm design and analysis. - Proficient in Python programming; experience in numerical libraries (NumPy, SciPy). - Familiarity with quantum development frameworks (Cirq, Qiskit, QuEST). - Ability to work autonomously in a research setting. **Desired Skills:** - Background in quantum computing or quantum information theory (formal or independent study). - Experience with Julia programming. - Exposure to classical algorithmic work in physics or materials science contexts. **Required Education & Certifications:** - Bachelor or Master’s degree in Computer Science, Mathematics, Physics, or a closely related discipline. - No specific certifications required.

Bristol, United kingdom

On site

Fresher

09-02-2026