Latest Quantum Software Engineer Jobs

Quantum Software Engineer - QEC

Designs and implements quantum error correction (QEC) protocols for scalable, high-fidelity quantum computation, with a focus on neutral atom platforms. Develops custom decoders, models noise processes, and collaborates with hardware and software teams to translate theoretical QEC frameworks into practical implementations. Engages in research, simulation, and cross-team collaboration to advance fault tolerance in quantum systems.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Software Engineer - Algorithms & Applications

Develops quantum algorithms and applications for near-term and fault-tolerant quantum systems, focusing on simulation, optimization, and hybrid quantum-classical workflows. Works across software, hardware, and research teams to implement and optimize algorithms using modern quantum SDKs and compiler toolchains. Contributes to customer support, proposal development, and scientific publication in high-impact journals.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

R&D Manager - Software -914

This role involves leading a team of software engineers to develop and mature quantum programming languages, compilers, and developer tools such as Guppy, HUGR, and TKET. The position balances technical leadership with people management, guiding the full software development lifecycle from research to production. The team collaborates closely with research, hardware, and product groups across the UK and US to ensure the software stack supports cutting-edge quantum processors.

Quantinuum Cambridge, United Kingdom

Hybrid

Chief Platform Architect - 801

Lead the technical vision and architecture of a high-performance quantum software developer platform, focusing on scalable access portals, hybrid workflow orchestration, and secure cloud-based application delivery. Mentor senior engineers, define coding standards, and drive the technical roadmap in close collaboration with hardware teams. The role involves shaping platform engineering practices and enabling both internal and external developers through reusable components and robust APIs.

Quantinuum United States US$208,000 – US$260,000 pa

Hybrid Permanent

Software Engineer (Compilers)

Develop and optimise software for quantum computing hardware, focusing on compiler design and low-level system integration. Work within a multidisciplinary team to implement, benchmark, and improve quantum processes and algorithms. Take ownership of major components in the quantum software stack, from design through testing and documentation.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Staff Software Engineer, Runtime

This role involves developing real-time control systems and low-level software abstractions for quantum computing hardware, working closely with experimental scientists and cross-functional teams. You'll shape core Rust libraries and the execution environment that transform quantum hardware into functional systems, with a focus on precision timing, system integration, and rapid iteration. The position emphasizes low-latency computing, API design, and tooling to support scientific experimentation and scaling toward fault-tolerant quantum computation.

IonQ Oxford, United Kingdom

Senior Software Engineer, Non-Realtime Controllers

This role involves developing and maintaining software for non-realtime hardware controllers that support quantum computing systems. The engineer will work on robust, production-grade services that interface with physical instruments such as cryogenic compressors, vacuum pumps, and temperature controllers, ensuring reliability and observability across a fleet of quantum machines. The position emphasizes end-to-end ownership of controller services, integration with a shared framework, and close collaboration with systems teams and quantum scientists.

IonQ Oxford, United Kingdom

Scientific Software Engineer - Compiler

Develops and maintains compiler infrastructure for neutral-atom quantum computers, designing domain-specific languages and integrating simulation tools into a full-stack pipeline. Works closely with physicists and hardware engineers to co-design compilers aligned with cutting-edge quantum error correction and hardware. Involves low-level intermediate representations, quantum program optimization, and cloud integration.

Quera Computing Vale Of White Horse, United Kingdom US$102,400 – US$166,400 pa

On-site Permanent

Senior Software Engineering Manager

Leads a team building software systems for quantum computer design, fabrication, and characterization, integrating scientific computing with hardware engineering workflows. Focuses on developing scalable data platforms, tooling, and infrastructure to support quantum device development. Works closely with physicists, fabrication engineers, and hardware teams to operationalize research-driven systems.

Rigetti United States US$220,000 – US$250,000 pa

On-site Permanent

Lead Software Engineer

Leads a cryptographic software IP team, overseeing the full software development lifecycle from design to customer delivery. Responsible for technical leadership, architectural decision-making, mentoring engineers, and ensuring high-quality implementation of embedded security solutions. Works closely with hardware teams and customers, with a strong focus on post-quantum cryptography and secure software design.

PQShield United Kingdom

Remote Permanent

Electronics Engineer - HDL

Design and implement HDL-based system solutions for quantum computing control systems, with responsibility for circuit design, verification test documentation, and cross-disciplinary collaboration. Contribute to rapid prototyping and feasibility studies while gaining exposure to advanced electronics and quantum technologies. Work closely with mechanical, software, and physics teams to deliver state-of-the-art firmware and control infrastructure.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

FPGA Engineer

Design and implement FPGA-based solutions for high-performance hardware platforms used in cybersecurity, data centres, and advanced computing. Work across the full development lifecycle from prototyping to production, developing RTL, building communication interfaces, and supporting system validation in collaboration with hardware and software teams.

IC Resources Oxford, Eng, United Kingdom

On-site Permanent

Quantum Applications Scientist

This role involves co-designing quantum simulation applications tailored to QuEra’s neutral-atom quantum hardware. You'll develop novel algorithms and application pipelines in areas like quantum materials, quantum chemistry, and nuclear physics, while integrating near-term error correction techniques. The position requires close collaboration with academic partners, clients, and technical teams to bridge theory and hardware implementation.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Technical Product Manager (Software Security & Firmware)

This role involves defining and managing the product roadmap for security software, firmware, and cryptographic libraries that integrate with hardware IPs in a post-quantum secure environment. You'll work closely with customers, architects, and security researchers to harden firmware against hardware-level attacks like DPA and SCA, while translating cryptographic standards into technical requirements. The position demands deep technical expertise in embedded systems, RISC-V/Arm architectures, and end-to-end security integration within complex SoC environments.

PQShield United Kingdom

Hybrid Permanent

Senior Quantum Engineer, Gate Calibration

Designs and executes experiments to improve two-qubit gate fidelity on superconducting quantum processors, identifying error sources and implementing pulse engineering and calibration solutions. Develops robust, scalable calibration methods and provides feedback to hardware teams. Works across device physics, control systems, and software to advance quantum processor performance toward error correction.

Rigetti United States US$175,000 – US$200,000 pa