Quantum Error Correction Engineer

IQM is a global leader in designing, building, and selling superconducting quantum computers. IQM provides both on-premises full-stack quantum computers and a cloud platform to access its computers anywhere in the world. IQM customers include the leading high-performance computing centres, research labs, universities and enterprises which have full access to IQM's software and hardware.  IQM has over 300 employees with offices in Finland, Germany, France, Spain, Poland, South Korea Japan, Singapore, Taiwan and the US. (www.meetiqm.com) We are looking for a Quantum Error Correction Engineer. In this role, you turn quantum error correction theory into practical building blocks for fault-tolerant quantum computing. You will help design, analyze, and implement error-correcting codes and decoding algorithms that pave the way for scalable fault-tolerant quantum computing architectures. Your work connects theory with hardware reality and plays a central role in shaping how our quantum processors scale reliably. The position is based in Munich, Germany. What will I be doing? Develop and analyze quantum error-correcting codes with realistic connectivity and hardware constraintsDesign and evaluate fault-tolerant operations, including multi-qubit logical gate strategies such as lattice surgeryContribute to fault-tolerant quantum algorithms and algorithm-specific error correction approachesDesign, benchmark, and improve decoding algorithms, including: graph-based decoders (belief propagation, union-find, minimum-weight perfect matching) and machine-learning-based decoding approachesImplement and optimize decoding algorithms in Python, C/C++, or Rust, with potential deployment on FPGA platformsPerform resource estimation and scalability analysis for error-corrected architecturesCollaborate closely with hardware, control, and software teams to ensure alignment between error correction strategies and real QPU capabilitiesPublish and present high-impact research results in leading scientific journals and conferencesMaintain high internal and external code quality standards, ensuring scalability and long-term maintainability Please find examples of our research via the following links: Logical Operators and Derived Automorphisms of Tile CodesTile Codes: High-Efficiency Quantum Codes on a Lattice with BoundaryLogical Operators and Fold-Transversal Gates of Bivariate Bicycle CodesQuantum error detection in qubit-resonator star architectureNear-optimal decoding algorithm for color codes using Population AnnealingSmall Quantum Codes from Algebraic Extensions of Generalized Bicycle Codes What skills do I need? Ph.D. in theoretical physics, computer science, applied mathematics, or a similar fieldDeep knowledge of quantum error-correcting codes, fault-tolerant quantum algorithms, or decoding algorithmsAt least 2 years of professional experience developing scientific software in Python, C/C++, or RustA strong publication record, including at least two scientific papers in high-impact journalsAbility to clearly communicate complex technical concepts across interdisciplinary teamsA collaborative mindset and comfort working in a team-oriented research and engineering environmentAt least 3 years of experience in one or more of the following: Designing quantum error-correcting codes under connectivity constraints Multi-qubit logical gate implementations (e.g., lattice surgery) Fault-tolerant quantum algorithms Algorithm-specific error correction (e.g., fermionic simulations) Decoding algorithms (belief propagation, union-find, MWPM) Machine-learning-based decoding methods FPGA-based implementation of decoding algorithms What skills are nice to have? Knowledge of the theory of superconducting qubitsExperience working closely with hardware or experimental quantum teamsA drive to keep your expertise current and continuously expand your knowledgeThe ability to create elegant, structured solutions in complex theoretical and technical landscapesStrong ownership of code quality, testing, and documentationAn understanding of how to balance immediate project goals with long-term scalability and extensibility What can I expect from IQM? An opportunity to work with a passionate and diverse team on an important missionA unique opportunity to make a real impact on the future of quantumA competitive salary, complementary health insurance, local transportation, lunch benefit, sports benefit, corporate benefit, and moreGrowth and progress in a creative and open start-up environment Meet our people and hear more about IQM by visiting our Youtube channel here >> We'll proceed with the interviews immediately, so please submit your application soon. Please note that only applications submitted through the website will be processed. At IQM, we build world-leading quantum computers for the well-being of humankind. We design systems to tackle computational challenges beyond the practical limits of classical machines. Our work sits at the edge of science and engineering. It's complex, demanding, and deeply collaborative. We turn deep research into reliable, full-stack systems that drive discoveries in fields like medicine, energy, and technology, reshaping how the world computes. Join the team that gives quantum a heartbeat.