Principal Software Architect — Quantum Platform

New
C
Constructor LabsQuantum computing
Remote within Europe, with regular presence in BremenFull-TimePrincipal
Salary not disclosed
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Job Details

Languages
Fluent English. German useful, not required.
Experience
10+ years building production software systems
Required Skills
PythonSoftware ArchitectureC#C++.NETDistributed Systems

Requirements

  • Bring 10+ years of experience building production software systems.
  • Have deep experience in Python, C#/.NET, or C++.
  • Bring experience with distributed systems and job scheduling.
  • Have experience interfacing with instruments or physical hardware.
  • Have delivered software into on-premise and restricted environments, not only cloud.
  • Have a track record as the senior technical voice in a small team.
  • Be able to explain architecture simply to non-engineers.
  • Be comfortable working in a scientific domain; a physics degree is not required.
  • Hold a degree in computer science, physics, or engineering, or have an equivalent practical track record.
  • Be fluent in English.

Responsibilities

  • Own end-to-end architecture across backend services, job orchestration, hardware abstraction, and device state management.
  • Define interfaces between the scientific and platform layers so physicists can work without engineering support.
  • Make and document build-versus-buy and framework decisions.
  • Lead the migration of the platform onto the Constructor technology stack.
  • Write production code in the core system and personally own the hardest components.
  • Set and enforce standards for testing, code review, structured logging, and dependency governance.
  • Remove single points of failure across core components.
  • Work with research physicists to translate experimental workflows into software.
  • Support the product function with realistic estimates and honest technical constraints.
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