Latest Software Development Jobs

Spotlight

Director of Technology - Quantum

Lead the development and execution of Digital Catapult’s quantum and photonics technology strategy, driving collaborative R&D programmes with academia and industry. Spearhead horizon scanning, technology roadmaps, and capability building in quantum computing, sensing, networking, and photonics, with a focus on software, algorithms, and real-world applications. Mentor technical teams and represent the organisation in high-impact forums to shape the UK’s quantum ecosystem.

Digital Catapult London, United Kingdom £100,000 – £130,000 pa

Hybrid Permanent

Software Development Engineer in Test

As a System Test Engineer at Riverlane, you will play a crucial role in ensuring the quality and reliability of cutting-edge quantum error correction (QEC) solutions. You will work closely with engineering teams to design and execute tests, identify integration issues, and improve the system test infrastructure. This role offers the opportunity to work on complex, large-scale projects and contribute to groundbreaking advancements in quantum computing.

Riverlane Cambridge, United Kingdom £60,000 – £80,000 pa

Hybrid Permanent

Graduate Software Development Engineer in Test

This role involves developing and executing verification plans for hardware components in quantum error correction systems. The engineer will create testbenches using SystemVerilog and UVM, run simulations, debug issues with design teams, and help define verification strategies. The position offers exposure to cutting-edge quantum computing technology within a multidisciplinary, international team.

Riverlane Cambridge, United Kingdom £37,000 – £40,000 pa

Hybrid Permanent

Lead Software Engineer

This role involves leading a cryptographic software IP team through the full software development lifecycle, from architectural design to customer delivery. The engineer will manage and mentor a team, coordinate cross-functionally with hardware and verification teams, and ensure high-quality implementation of embedded security solutions. The position emphasizes technical leadership in post-quantum cryptography and RISC-V platforms, with responsibilities spanning project planning, hiring, mentoring, and direct customer engagement.

PQShield United Kingdom

Remote Permanent

Senior Software Engineer - Oxford

As a Senior Software Engineer, you will work on developing a quantum compiler, writing embedded firmware, designing high-level APIs, and advancing internal development infrastructure. You will collaborate with scientists and engineers to build and optimize quantum computing systems using Python, Rust, and custom hardware.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Senior Software Engineer

As a Senior Software Engineer at PQShield, you will design and implement secure cryptographic solutions, focusing on classical and post-quantum cryptography. You will work on optimizing performance, hardening implementations against attacks, and ensuring compliance with security standards. Collaboration with cross-functional teams, including hardware and security engineers, is key to this role.

PQShield United Kingdom

Remote Permanent

Scientific Software Engineer - Compiler

This role involves developing and maintaining QuEra’s compiler infrastructure for neutral-atom quantum computers, designing domain-specific languages, and integrating simulation tools with the compiler pipeline. You will work closely with physicists and software engineers to build cutting-edge quantum computing tools.

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

On-site Permanent

Senior Research Software Engineer

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Director of Software US or UK - 800

The Director of Software will lead the development of a high-performance software stack for quantum computers, including front-end languages, compilers, and applications. This role involves managing teams, aligning with hardware advancements, and ensuring the software ecosystem meets industry standards.

Quantinuum United Kingdom US$238,050 – US$297,563 pa

On-site Permanent

Director of Software - 800

As the Director of Software, you will lead the development of a high-performance software stack for quantum computers, including front-end languages, compilers, and applications. You will manage teams in the US and UK, ensuring the software ecosystem aligns with hardware advancements and customer needs.

Quantinuum United States US$238,050 – US$297,563 pa

On-site Permanent

Quantum Algorithms Scientist - Optimization

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol in the...

Phasecraft Bristol, United Kingdom

Hybrid Permanent

Technical Team Lead

This role involves leading a distributed software engineering team while maintaining hands-on technical contribution in the development of post-quantum cryptography solutions. The Technical Team Lead will guide full-stack software design, implementation, and deployment, ensuring high performance and resilience. Emphasis is placed on agile practices, code quality, and fostering a collaborative, high-performance culture within a cutting-edge cybersecurity environment.

Arqit United Kingdom

Hybrid Permanent Clearance Required

Staff FPGA Engineer

As a Staff FPGA Engineer, you will design and develop FPGA features for quantum control systems, working on RTL modules, real-time control logic, and high-speed signal processing. You will collaborate with a highly technical team to deliver best-in-class control systems for advanced quantum computing.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Optical Architect (Design)

The Optical Architect role involves designing and developing the optical aspects of quantum computing systems, translating abstract quantum protocols into hardware specifications. You will work closely with cross-functional teams to analyze, evaluate, and improve the architectural design, focusing on qubit networking and performance modeling.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Intern, System Architecture

This role involves developing and simulating photonic quantum computing architectures by translating theoretical quantum protocols into physical system designs. Interns will work on building software prototypes, optimizing optical networks, and advancing new approaches to fault-tolerant quantum systems using silicon photonics and quantum information theory. The position bridges hardware, manufacturing, and quantum architecture in a high-impact research environment.

PsiQuantum United Kingdom £31,200 – £56,160 pa

Hybrid Internship

Senior Quantum Engineer, Readout

This role involves optimizing superconducting qubit readout and reset on Rigetti’s quantum processors and fault-tolerant prototypes. You will lead experimental efforts to improve measurement protocols, signal chains, amplifiers, and device layouts, collaborating with interdisciplinary teams to advance the speed and fidelity of readout and reset.

Rigetti United States US$170,000 – US$200,000 pa

On-site Permanent