UI Developer

at  OpenSourced LTD

Role: UX/UI Designer
Salary: £45,000 to £55,000 per annum
Seniority: Mid-level
Type: Permanent/Full-time
Location: Portsmouth, UK
Working Arrangements: Fully Onsite
Are you passionate about designing cutting-edge user interfaces that redefine industries? Do you thrive at the intersection of creativity and technical innovation? If so, we have an exciting opportunity for you!
We are looking for an HMI UX/UI Developer to join my client’s team and play a key role in shaping the future of maritime technology. Their work focuses on pioneering solutions that drive sustainability and efficiency in the shipping and marine sectors.

WHAT WE’RE LOOKING FOR

We’re seeking a skilled professional who blends creativity with technical expertise. Ideally, you’ll have:

✅ Core Skills:

• Strong understanding of Human-Machine Interface (HMI) principles.
• Proficiency in design tools such as Figma, Sketch, or Adobe XD.
• Hands-on experience with frontend development (HTML5, CSS3, JavaScript frameworks like Vue.js, React, Angular).
• Ability to design and implement reusable UI components and patterns.

✅ Bonus Skills:

• Familiarity with usability testing and user feedback integration.
• Knowledge of RESTful APIs, WebSockets, or real-time HMI development.
• Experience optimising UIs for performance on resource-constrained devices.
• Background in industrial automation, automotive, marine, or data analysis.

✅ Soft Skills:

• Strong communication and collaboration abilities.
• Attention to detail and a passion for delivering exceptional user experiences.
• Problem-solving mindset with a proactive approach to learning and improvement.

• Design & Prototype – Create intuitive, user-focused wireframes, mockups, and prototypes using tools like Figma, Sketch, or Adobe XD.
• Refine Visuals – Enhance UI aesthetics by optimising layouts, colour schemes, typography, and usability.
• Collaborate with Developers – Work closely with engineers to ensure seamless implementation of your designs.
• Implement UIs – Take ownership of coding and developing interfaces using modern web technologies such as HTML5, CSS3, and JavaScript frameworks (Vue.js, React, Angular).
• Usability Testing – Conduct tests, gather feedback, and iterate to enhance user experience.
• Optimise Performance – Ensure smooth, responsive interfaces across various devices and platforms.