Head of Research Software & Integrations (Spain)

Oxford Quantum Circuits · Barcelona, Spain (Hybrid) · Full-time · Posted 2026-09-14

Workplace: hybrid

Department: Advanced Product Development

Description

Head of Research Software & Integrations (Spain)

At OQC, we aren’t just theorising about the future; we’re building it. Born from a philosophy of bold innovation, we’ve successfully transitioned quantum computing from an academic dream into a commercial reality. The most exciting thing is that we’re just getting started and we’ve recently closed our £260 million Series C funding round – the largest fundraise ever completed by a quantum computing company in Europe.

The Purpose

As Head of Research Software & Integrations, you'll build and lead the software capability in Spain that enables OQC's next generation of quantum technology. You'll bring together research software, logical compilation, HPC and systems integration to accelerate scientific discovery—giving our researchers the high-quality software and computational capabilities they need to move from ideas to results, faster.

The Role

Based in Spain and reporting to our Director of Software Engineering, you'll lead the Research Software Engineering, Logical Compilation and Systems Integrations teams. This is a hands-on technical leadership role: you'll set direction, shape architecture and make critical engineering decisions while building and developing the teams that deliver against OQC's research ambitions.

You'll work closely with Research leadership and the wider Software organisation, balancing the speed and flexibility required for experimentation with the engineering discipline needed as software matures towards reliable production use.

What You'll Be Working On

Lead and grow OQC's Research Software Engineering, Logical Compilation and Systems Integrations teams in Spain, setting clear priorities and accountability for delivery.
Set technical direction and actively shape software and tooling architectures, ensuring local decisions align with OQC's wider engineering standards and technology strategy.
Partner with Research teams to turn complex and ambiguous scientific challenges into effective software capabilities that accelerate experimentation and technology discovery.
Lead research software and simulation tooling from early concepts through to production use, creating extensible solutions that can evolve rapidly alongside our research.
Develop integrations between OQC's quantum computing stack, HPC environments, third-party systems and relevant community tools to enable sophisticated computational workflows.
Work across Platform Engineering, Compiler Development, Data Management and Research to manage dependencies, prioritise demand and focus resources on the highest-value technical outcomes.
Build a high-performing software organisation in Spain, developing technical leaders, shaping recruitment and team structures, and representing OQC through external technical and research collaborations.

What We're Looking For

Significant experience leading software engineering teams delivering complex technical capabilities within research, scientific or similarly sophisticated R&D environments.
A track record of taking research software from early experimentation through to reliable production use.
Strong software architecture and engineering leadership, with the technical depth to actively contribute to architecture and tooling decisions.
Experience leading multidisciplinary software teams or technical workstreams with accountability for priorities, delivery and technical outcomes.
Proven ability to build strong partnerships between software engineers and research or scientific stakeholders.
Excellent judgement when balancing rapid experimentation with software quality, reliability, maintainability and longer-term business needs.
Strong technical planning, prioritisation and stakeholder management skills, including translating ambiguous research requirements into deliverable outcomes.
Proven people leadership, with experience developing engineers and technical leads and creating increasing ownership within teams.
Experience delivering successfully against critical deadlines and working across organisational boundaries to solve complex technical problems.
A degree in Computer Science, Physics, Quantum Technologies, Mathematics, Engineering or another relevant numerate discipline, or equivalent practical experience demonstrating significant technical depth in research software development.

The 'Nice-to-Haves'

Experience with high-performance computing and computationally intensive research workflows.
Knowledge of compiler technologies, simulation tooling and their role within complex computing stacks.
Experience integrating specialist, open-source or community-developed tooling into broader software platforms.
Experience within quantum computing, deep tech or another highly technical emerging field.
Experience with numerical analysis, data science, databases, CI/CD or microservice development.
Experience scaling a technical team or capability during significant organisational growth.
Experience contributing to external research collaborations, technical communities or conferences.
A postgraduate degree (MSc, PhD or equivalent) in a relevant scientific, engineering or computing discipline, or significant equivalent experience applying advanced software engineering in complex research environments.

Why Join OQC

You will join a world-class team at the forefront of the next computational era. We offer a culture of bold innovation, the chance to work with unique lab infrastructure, and the opportunity to see your work redefine the limits of computation.

Learn more about our benefits and positive work culture here: https://oqc.tech/company/careers-at-oqc/

Apply

Apply at Oxford Quantum Circuits

About the company

Oxford Quantum Circuits (OQC) is a UK quantum computing company that builds superconducting quantum systems using its Coaxmon architecture and offers Quantum Computing as a Service through cloud access and colocated data centers. Its products work by using superconducting qubits implemented with the Coaxmon design, allowing users to run quantum programs remotely via a cloud interface or at partner data centers, with plans for larger TITAN systems aimed at fault-tolerant computing. What sets OQC apart from competitors is its specific Coaxmon architecture and its focus on scaling up infrastructure across international locations, backed by a large Series C funding round and strategic investors, to push toward practical, fault-tolerant quantum computing. The company’s goal is to expand its global infrastructure and develop next-generation TITAN quantum systems to achieve fault-tolerant quantum computing at scale.

Company Size

51-200

Company Stage

Series C

Total Funding

$503.8M

Headquarters

Reading, United Kingdom

Founded

2017

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Simplify's Take

What believers are saying

Bullhound Capital, British Business Bank, and Chevron funded OQC's £260 million June 2026 Series C.
Barcelona's €92 million manufacturing centre adds 210 jobs, expanding capacity and talent access.
OQC's June 2026 partnership with JPMorganChase and AMD validates demand from regulated buyers.

What critics are saying

Toshiko remains 32 physical qubits; enterprise value stalls until GENESIS proves usable by 2027.
JPMorganChase becomes first dedicated London user within twelve months, creating concentration and deadline pressure.
TITAN's 2028 fault-tolerant claims face brutal physics; failure would crush OQC's commercial narrative.

What makes Oxford Quantum Circuits unique

Coaxmon packaging puts wiring behind the chip, enabling denser superconducting systems.
OQC deploys quantum computers inside commercial data centres across the UK, Japan, Spain, New York.
GENESIS targets secure hybrid quantum-AI workflows with JPMorganChase and AMD in London.

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Benefits

Health Insurance
Disability Insurance
Parental Leave

Growth & Insights and Company News

Headcount

6 month growth

1 year growth

2 year growth

Quantum Zeitgeist

Aug 21st, 2026

OQC raises $330M as quantum computing shifts from research to critical infrastructure

Quantum computing firm OQC has completed a £260 million Series C funding round, positioning itself as one of the best-capitalised private quantum computing companies globally. Chief executive Gerald Mullally said the capital will enable OQC to expand internationally and build secure, scalable quantum infrastructure for enterprise and government customers. Mullally noted that recent public market activity, including Quantinuum's initial public offering, is helping build investor confidence in the sector. He described the developments as signalling a shift for quantum computing beyond research towards practical infrastructure. The funding will support OQC's technology roadmap, advancing its quantum processors and software platforms. Mullally indicated the company's strategy includes shaping the industry's next phase through technological innovation and strategic partnerships.

VIPress

Jun 24th, 2026

UK's OQC raises record $330M for quantum computing expansion

Oxford Quantum Circuits (OQC), a British quantum computing startup, has raised £260 million (approximately €300 million) in a Series C round, marking Europe's largest private funding for a quantum computing company. The oversubscribed round was led by Bullhound Capital. Founded in the UK, OQC develops superconductor-based quantum computers for data centres serving enterprises and public administrations. The company has already deployed systems across Europe, North America and Asia, including installations in the UK, US, Japan and Spain. The funding will accelerate international expansion and development of fault-tolerant quantum computing technologies. OQC targets sectors including finance, defence and security, which require advanced computing capabilities for data processing, complex optimisation and enhanced analysis. CEO Gerald Mullally said the market is shifting from technological promises towards concrete deployments addressing real needs.

UK Tech News

Jun 4th, 2026

JPMorganChase, OQC and AMD to build $330M quantum AI platform in London

Oxford Quantum Circuits (OQC), JPMorganChase and AMD have announced a research collaboration centred on a new quantum AI data centre in London. JPMorganChase researchers will test quantum and hybrid quantum-classical computing applications in a secure enterprise environment to address complex financial services challenges. The collaboration aims to investigate how quantum-enhanced AI models can accelerate algorithm discovery for financial use cases. JPMorganChase will be the UK platform's first dedicated user, with full operations expected within 12 months. The platform integrates quantum hardware within a secure enterprise compute environment, enabling JPMorganChase to test hybrid workflows against financial services operational standards. This week, OQC closed an oversubscribed £260 million Series C funding round, Europe's largest private funding round for a quantum computing company.

Sifted

Jun 3rd, 2026

Oxford Quantum Circuits bags $348M ($350M) Series C, Europe's largest private quantum computing round

Oxford Quantum Circuits has raised £260m ($350m) in a Series C round, marking the largest funding for a private quantum computing company in Europe. The round was led by Bullhound Capital, with participation from British Business Bank, European investors including Fynveur and Cofides, and US and Singapore-based firms. The UK-based scaleup builds quantum computers using superconducting qubits and offers them as a service through partner data centres in London, Tokyo and New York. Customers buy computing time rather than purchasing systems outright, an approach particularly attractive to regulated sectors like finance and defence requiring secure data storage. The funding will support geographic expansion and development of next-generation systems. OQC's current most advanced computer has 32 qubits, with CEO Gerald Mullally stating the goal is building systems for the "commercial era of quantum".

Oxford Quantum Circuits

Jun 3rd, 2026

OQC raises £260m in Europe’s largest ever private quantum computing funding round

Oversubscribed Series C will scale OQC’s international footprint and deployed quantum infrastructure.

Oxford Quantum Circuits

Head of Research Software & Integrations

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