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Microsoft

Principal Quantum Applications Architect - Cryptography

United States, Washington, RedmondSenior individual contributorSoftware Engineering

Listed on Microsoft’s official careers site. Posted June 4, 2026. Check that it is still open and apply there.

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Job description

We are looking for talented scientists and engineers to join our team to build algorithms and applications for scaled fault-tolerant quantum computers. This is a unique opportunity to work with world-class scientists and engineers to drive innovation across quantum applications, development platforms, and hybrid quantum-classical workflows. As employees, we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals.

Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. Doctorate in Computer Science, Mathematics, Software Engineering, Physics, Physical Sciences, or related field AND 3+ years software industry experience, including developing commercial software, compilers, or scientific or cybersecurity computing applications. Ability to leverage AI tools to drive innovation and efficiency.

Ability to work in an “AI-first” environment using modern AI tools to accelerate research and discovery. Demonstrated experience in one or more of the following areas: high-performance computing, simulation of physical systems, cryptology or related mathematical subject, quantum algorithms. Demonstrated ability to work effectively across internal and external organizations, with strong communication and leadership skills.

Programming experience in one or more quantum programming languages. Experience developing and implementing algorithms for quantum applications. Experience with high-performance classical computing methods. Methodical problem-solving and critical-thinking abilities. Proficient written and verbal communication skills. Ability to work independently and collaboratively within a dynamic multi-disciplinary team environment.

Algorithm Development

Create, build, and refine quantum algorithms for cryptanalysis and simulation.

Protocol Creation

Design novel quantum cryptographic schemes.

Validation & Optimization

Develop, test, and validate models for estimating the cost and practicality of algorithms on scaled quantum computers.

Large-Scale Modeling

Conduct simulations to optimize quantum system architectures for applications.

Research

Drive mathematical research and experimentation aimed at developing new quantum algorithms.

Cross-Team Collaboration

Collaborate effectively across teams, demonstrating clear communication. Embody our Culture and Values

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