Application Engineer

Classiq; Deutschland; On-site; EUR 90,000 - 130,000; Full time

Job summary

Classiq, a quantum computing software company, seeks a Quantum Application Engineer to work with enterprise customers across EMEA. You will guide onboarding, lead collaborative projects, and serve as the technical voice inside Classiq, bridging quantum research, applied engineering, and customer impact.

The role requires a PhD in a related field and 3+ years of hands-on quantum experience. You will collaborate with R&D and engineering teams, communicate complex topics clearly, and operate from

Qualifications

• PhD in physics, computer science, or a related field to quantum information science.
• 3+ years of hands-on experience in quantum algorithm design, research, or software development.
• Experience leading technical sessions with R&D and engineering teams.
• Excellent communication skills and the ability to explain technical topics clearly.
• Fluent English, written and spoken.
• Located in: Germany/ UK/ Italy/ Romania.
• Experience with Quantum Chemistry, QML and a variety of quantum algorithms.

Responsibilities

• Act as a technical champion within key customer accounts.
• Lead onboarding and training for developers and researchers with varying quantum knowledge.
• Provide hands-on technical support.
• Design and co-execute projects using quantum algorithms for real-world applications.
• Identify new technical opportunities within customer conversations.
• Capture feedback to inform Product decisions.
• Build reusable tools and methodologies to scale solutions across customers.

Skills

Quantum algorithm design

Python

Qiskit

PennyLane

Cirq

Tket

Technical leadership

Communication skills

Education

PhD in physics, computer science, or related field

Tools

Qmod

Qiskit

PennyLane

Cirq

Tket

Job description

Classiq is a quantum computing software company.

We build the platform that enterprise teams and government organizations use to develop, optimize, and deploy quantum software across any quantum hardware.

We're a growth-stage B2B technology company with 100+ patents and a global footprint across North America, Europe, APAC, and Israel.

As a Quantum Application Engineer, you’ll work closely with our enterprise customers in the EMEA region to help them design, build, and scale real-world quantum applications. You’ll guide onboarding, lead collaborative projects, and serve as the technical voice of the customer inside Classiq. You’ll work at the intersection of quantum research, applied engineering, and customer impact, helping some of the world’s leading companies explore and adopt quantum computing.

What you'll do:

• Act as a technical champion within key customer accounts
• Lead customer onboarding and training for developers and researchers with varying quantum knowledge
• Provide hands‑on technical support
• Design and co‑execute projects that take real‑world applications and solve them with quantum algorithms
• Proactively identify new technical opportunities within customer conversations
• Capture customer feedback and translate it into actionable insights for Product
• Build reusable tools, insights, and methodologies that help scale successful solutions across customers

Who are you:

• PhD in physics, computer science, or a related field to quantum information science
• 3+ years of hands‑on experience in quantum algorithm design, research, or software development
• Experience leading technical sessions with R&D and engineering teams
• Excellent communication skills and the ability to explain technical topics clearly
• Strong proficiency in Python and quantum SDKs (e.g., Qmod, Qiskit, PennyLane, Cirq, Tket)
• fluent English, written and spoken.
• Located in: Germany/ UK/ Italy/ Romania
• Experience with Quantum Chemistry
• Experience with QML
• Experience with a large variety of quantum algorithms