Latest Quantum Software Engineer Jobs

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

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

Staff Software Engineer, Non-Realtime Controllers

Design and develop software for non-realtime control systems that manage supporting hardware in quantum computers, including cryogenics, vacuum systems, and sensors. Work hands-on with real quantum hardware in a lab environment, diagnosing deep technical issues, improving system reliability, and building shared frameworks and tooling. Collaborate closely with quantum scientists, systems engineers, and software teams to ensure stable, observable, and scalable operations across a growing fleet of quantum systems.

IonQ Oxford, United Kingdom

Senior Software Engineer, Internal Systems

This role involves owning and improving data-intensive Python services and applications, working closely with quantum engineers and fabrication engineers to build scalable and sustainable software. The position offers opportunities to grow in a fast-paced, R&D-driven environment, contributing to the development of cutting-edge quantum computing systems.

Rigetti United States US$180,000 – US$250,000 pa

Hybrid

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

Senior Software Engineer - Modern C++ & Linux

As a Senior Software Engineer, you will lead the backend development of advanced scientific instruments using Modern C++ and Linux. You'll work closely with scientists, engineers, and product managers to design, develop, and maintain the software that controls these instruments, ensuring they meet the high standards required for cutting-edge research.

KO2 Embedded Recruitment Solutions Shippon, Oxfordshire, United Kingdom £65,000 – £75,000 pa

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

Director of Software Engineering

This role involves leading the development of next-generation software products and architectures for Post-Quantum Cryptography (PQC). Responsibilities include defining the software engineering strategy, mentoring a team, and ensuring the design and implementation of secure and efficient cryptographic solutions. The role requires strong leadership, technical expertise in cryptography, and experience in secure software development.

PQShield United Kingdom

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

Systems Integration Engineer - Compute

This role involves developing software and firmware interfaces to control and monitor advanced optical and atomic physics systems, focusing on the integration of various subsystems into complex quantum technologies. Responsibilities include system-level design, troubleshooting, and documentation, working closely with multidisciplinary teams.

Infleqtion Kidlington, Oxfordshire, United Kingdom

Hybrid Permanent

Embedded Systems Engineer - FPGA Platform

Develop embedded Linux software, firmware, and board-support packages for FPGA-based systems used in quantum RF and sensing applications. Integrate FPGA SoCs, microcontrollers, and peripherals into robust control and signal-processing platforms. Perform board bring-up, debugging, and validation in collaboration with multidisciplinary engineering teams.

Infleqtion Kidlington, Oxfordshire, United Kingdom

Hybrid

Senior Manager - Quantum Development Tools - 929

This role involves leading engineering teams to develop core quantum software tools, including quantum programming languages, compilers, and toolkits like TKET and Guppy. The manager will guide the evolution of experimental prototypes into robust, production-grade software while collaborating with hardware, theory, and product teams globally. Emphasis is on technical leadership in compiler design and developer tooling within a cutting-edge quantum computing environment.

Quantinuum Cambridge, United Kingdom

Hybrid

Senior Photonics Engineer, Optical Interfaces

Develops ultra-low-loss optical interface solutions between dissimilar waveguiding platforms using photonic device design, simulation, and experimental validation. Focuses on mode conversion and coupling for scalable quantum computing systems. Works closely with internal teams and external partners to mature practical, manufacturable solutions.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £64,000 – £76,500 pa

On-site Permanent