Software Engineer (User Interfaces)

Resource Area for Teaching; Portsmouth; On-site; GBP 40,000 - 55,000; Full time

Job summary

A maritime technology company based in Portsmouth is looking for a skilled Software Engineer to develop advanced control systems and user interfaces for autonomous marine vessels. The role involves designing intuitive software, testing, and collaborating with engineering teams. Candidates must have experience with modern C++, user interface development, and a degree in a relevant field. This full-time permanent position offers a competitive salary and benefits including private healthcare and flexible working arrangements.

Benefits

25 days annual leave plus bank holidays

Private healthcare coverage

Wellbeing Day each year

Professional development opportunities

Pension contribution

Flexible working arrangements

Qualifications

• Degree level qualification in Computer Science or equivalent experience.
• Experience with modern C++ programming.
• Familiarity with user interfaces and graphics development.

Responsibilities

• Design and develop software for autonomy and user interfaces.
• Test and validate software with various testing methods.
• Create comprehensive software documentation.

Skills

Modern C++ (14 or newer)

User interface development (Qt preferable)

Software testing and validation

User experience design

Peer review collaboration

Education

Degree in Computer Science, Mechatronics or related

Tools

Qt

ROS or ROS2

Photoshop

Blender

Illustrator

Job description

• Salary: £40,000-£55,000 DOE
• Full Time
• Permanent

Who we are: SubSea Craft is a fast growing, privately-funded, UK-based innovative maritime technology company specialising in next-generation, high-performance watercraft and systems. We operate at the intersection of advanced engineering, cutting-edge design, and user-centric innovation, delivering safe, effective, and enabling solutions for both commercial and defence applications.

What we offer:

• Annual Leave – Entitlement to 25 days of annual leave plus bank holidays
• Wellbeing Day – An additional Wellbeing Day each year to focus on personal health and wellbeing.
• Private Healthcare – Access to comprehensive private healthcare coverage to support your physical and mental wellbeing.
• Life Assurance and Critical Illness Cover – Comprehensive protection including Life Assurance (4x salary) and Critical Illness Cover for added financial security.
• Family Leave – Enhanced maternity and paternity pay
• Christmas Leave – A Christmas shutdown is typically observed.
• Professional Development – Commitment to ongoing learning and career growth, supported by training programmes and access to LinkedIn Learning.
• Pension Contribution – pension scheme with the option to contribute via salary sacrifice
• Flexible Working – Opportunities for flexible working arrangements to promote work–life balance.
• Inclusive Culture – A professional environment that values diversity, innovation, and collaboration.

Role Overview:

We're seeking a skilled Software Engineer to join our team developing advanced control systems and user interfaces for autonomous marine vessels. You'll play a key role in designing intuitive, high-performance software—from sleek operator interfaces to robust autonomy and communication modules—while contributing to testing, documentation, and team-wide code quality. If you enjoy solving complex problems, crafting elegant user experiences, and seeing your software in action on real-world systems, we’d love to have you onboard.

Responsibilities will include:

• Software design and development in line with the system requirements, with focus on user interfaces, communication and autonomy
• Designing and delivering beautiful User Interfaces for controlling and monitoring mobile platforms, with a focus on user experience and usability.
• Testing and validation of software, including unit testing, bench testing, and sea trials.
• Production of comprehensive software documentation
• Conducting peer reviews to ensure designs are fit for purpose, extensible and re-usable
• Working flexibly with the software and engineering teams to ensure software and documentation are delivered on time

Qualifications and Experience:

Essential:

• Degree level qualification in Computer Science, Mechatronics or similar, or equivalent industry experience.
• Software development experience in modern C++ (14 or newer)
• User interface and/or graphics development experience (Qt preferable)

Desirable:

• Experience with Qt QML, and/or Qt C++ bindings
• User interface and graphics development experience
• User experience (UX) research and design
• Experience with ROS or ROS2
• Experience with mobile robotics projects
• Experience with graphical tools such as Photoshop, Blender, Illustrator.
• A proactive individual with strong commitment and self-motivation

Note: Due to the nature of work undertaken at SubSea Craft, the selected candidate must be capable of meeting the security requirements of the position, which would include as a minimum existing right to live and work in the UK, Baseline Personnel Security Standard (BPSS), with UK National security clearance required for certain roles.*

Values:

Our people are our greatest asset, we continually strive to provide an excellent working environment to enable our team to do their best work. We have an agile professional workforce: weare founded on the belief that our people are valued and our business is trusted, inclusive and commercially-adept.

What we expect from you:

• Teamwork, mutual respect and collaboration
• Initiative and independent working
• Honesty and integrity
• Business and commercial awareness
• Agility, adaptability and continuous development

We are committed to building an inclusive, diverse workplace where everyone can thrive. If you require any support or adjustments to interact with us, please let us know.

*Please note that DBS, Driving Licence and reference checks will be carried out and all offers of employment are subject to meeting our requirements.