Job Description

Senior macOS Software Engineer

Shape the Future of Scientific Discovery

At Oxford Instruments Andor, we are pushing the boundaries of what is possible in scientific imaging. As a global leader in high-performance light measuring solutions, we combine cutting-edge developments in sensors, electronics, optics and software to create technology that enables some of the world's most important scientific breakthroughs.

Our low-light imaging cameras, spectroscopy solutions and microscopy systems help researchers develop cancer treatments, explore the depths of space, and advance clean energy innovations. We are experts in measuring light down to a single photon and capturing events occurring within one billionth of a second.

The Opportunity

We are seeking an experienced Senior macOS Software Engineer to take ownership of the macOS architecture for our commercial software products.

This is a highly technical role where you'll ensure our sophisticated C++ image analysis and 3D rendering applications perform seamlessly across Apple's hardware ecosystem. You'll drive performance, reliability and scalability while maintaining cross-platform compatibility and leveraging the latest macOS technologies.

You'll work alongside talented software engineers, scientists and product teams to deliver innovative solutions that directly enable world-leading research and discovery.

What You Will Do

As our Senior macOS Software Engineer, you will:

• Architect, design, develop and maintain native macOS application features and cross-platform C++ core libraries.
• Lead the development and optimisation of software for Apple Silicon and the wider macOS ecosystem.
• Resolve complex platform-specific challenges involving rendering, memory management and multi-threading.
• Deliver robust, scalable and maintainable solutions to technically demanding problems.
• Drive continuous improvement across software development, testing and deployment processes.
• Manage and optimise Xcode builds, CMake configurations and macOS CI/CD pipelines.
• Gather requirements and contribute to the development of both new and legacy products.
• Support internal teams and external customers with Mac-specific deployments and technical issues.
• Participate in technical investigations, innovation initiatives and architectural decisions.
• Collaborate effectively within Agile development teams.
• Occasionally travel to other Andor offices and customer sites when required.

What We Are Looking For

Essential

• Degree in Software Engineering, Physics, Computer Science or related discipline (or equivalent experience).
• Minimum 5 years' experience in a software development role.
• Strong proficiency in C++ and object-oriented software design.
• Deep understanding of the macOS ecosystem, Apple Silicon architecture, Xcode, build pipelines and memory profiling tools.
• Strong experience with Git, source control systems and collaborative development practices.
• Experience across the full software development lifecycle, from requirements gathering through testing and support.
• Strong knowledge of software architecture, design patterns and Clean Code principles.
• Excellent understanding of data structures, algorithms and computational complexity.
• Knowledge of Agile software development methodologies.
• Proven ability to learn quickly, take initiative and solve complex technical problems.

Desirable

• Experience with cross-platform UI frameworks such as Qt.
• Experience transitioning and supporting cross-platform applications on macOS.
• Knowledge of computer vision, image analysis or scientific imaging applications.
• Experience within Life Sciences, scientific software or related domains.
• Awareness of cybersecurity principles and secure software development practices.

About You

You will thrive in this role if you:

• Enjoy solving challenging technical problems and working at a deep system level.
• Take ownership and accountability for delivering results.
• Balance strategic thinking with hands-on technical execution.
• Communicate effectively and influence technical decisions.
• Adapt quickly when priorities change.
• Collaborate openly and support colleagues across teams.
• Challenge existing approaches and actively contribute to continuous improvement.
• Have a passion for quality, innovation and engineering excellence.

We Value Potential, we know that no candidate will meet every requirement listed. If you're excited by the opportunity and believe your skills, experience and passion could make an impact, we'd love to hear from you. We welcome applications from individuals whose experience may not align perfectly with every criterion.

Location & Eligibility

This permanent position is based at our headquarters in Belfast or remotely within the UK. Please note that Oxford Instruments Andor is unable to provide visa sponsorship for these roles. Applicants must have the right to live and work in the UK at the time of application.

Closing Date

Closing date for receipt of completed applications is midnight on Sunday 26th July 2026.

Why Join Andor?

This is an opportunity to work on software that has a real-world impact. Every day, researchers around the world rely on Andor technology to make discoveries that change lives and expand human knowledge.

In return, you'll enjoy:

• Meaningful work supporting world-leading scientific research
• The opportunity to influence the architecture of complex, high-performance software products
• Flexible remote working within the UK
• Exposure to cutting-edge imaging, spectroscopy and microscopy technologies
• A collaborative and supportive engineering culture
• Career development within Andor and the wider Oxford Instruments Group

If you're passionate about macOS development, high-performance software engineering and creating technology that makes a difference, we'd love to hear from you.

Apply today and help us enable the next generation of scientific discovery.

Why Join Oxford Instruments Andor?

At Oxford Instruments Andor, you'll work with talented colleagues on products that make a genuine difference to the scientific community and society as a whole.

You'll have the opportunity to:

• Work on challenging machine learning and computer vision problems.
• Contribute to products used by leading research institutions and industrial organisations worldwide.
• Collaborate with experts across software, optics, imaging and scientific disciplines.
• Develop your career within a global technology organisation committed to innovation and professional growth.

Our Benefits

Health & Wellbeing

• Private Medical Insurance (BUPA) for you and your dependants
• Employee Assistance Programme
• Mental Health First Aiders
• Income Protection
• Life Assurance and Personal Accident Insurance
• Occupational Health Service
• Company sick pay
• Two paid volunteering days per year

Money & Lifestyle

• Competitive salary
• 6% employer pension contribution
• Share Incentive Plan
• Leave Purchase Scheme
• Cycle to Work Scheme
• Car Salary Exchange Scheme
• Technology Purchase Scheme
• Employee Discount Scheme
• Free On-site Parking

Career Development

• Professional qualification support
• Accredited learning and development programmes
• Career progression opportunities across the Oxford Instruments Group
• Long Service Awards

Work-Life Balance

• 187.5 hours annual leave plus 9 customary holidays
• Early finish every Friday
• Enhanced maternity and paternity pay
• Bereavement leave

Our Commitment to Inclusion

Oxford Instruments Andor is committed to creating a diverse, equitable and inclusive workplace where everyone feels valued and empowered to succeed. We welcome applications from all backgrounds and particularly encourage applications from groups who are currently underrepresented within our workforce.

Together, we're enabling the scientific discoveries that shape tomorrow.

Know someone at Oxford Instruments Andor?

Be sure to have them submit you as a referral prior to applying via our Talent Spotter referral scheme.

Note to recruitment agencies:

Oxford Instruments Andor operates a Preferred Supplier List and does not accept unsolicited agency CVs. We are not responsible for fees associated with unsolicited submissions.

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