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- Tasks: Lead the design and development of high-performance UI components for our cloud-native products.
- Company: Aker Systems is a pioneering tech company focused on secure enterprise data platforms since 2017.
- Benefits: Enjoy 25 days holiday, medical insurance, life assurance, and flexible perks like a cycle scheme.
- Why this job: Join a culture-first company recognised for its innovation and commitment to inclusivity and collaboration.
- Qualifications: 5+ years in frontend development with expertise in React, TypeScript, and UI/UX best practices.
- Other info: We value diverse backgrounds and encourage everyone to apply, fostering a supportive work environment.
The predicted salary is between 43200 - 72000 £ per year.
Aker Systems was founded in 2017 by a team of experienced technology professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve the management and sharing of data across their organisations.
In 2024, Aker Systems won the Breakthrough Culture Awards highlighting growth companies putting culture first. In 2020 Aker Systems was recognised as a \’One to Watch\’ on the Sunday Times Tech Track. The Company was also recognised at the Thames Valley Tech Awards 2020; winning the Thames Valley Tech Company of the year, the Emerging Tech Company and High Growth Tech Business categories. We encourage people of all different backgrounds and identities to apply. We are committed to maintaining an inclusive, and supportive place for you to do your very best work.
We\’re looking for a Senior Frontend UI Engineer to help us shape the future of intuitive, performant, and accessible user interfaces across our cloud-native product suite.
In this role, you\’ll take the lead on crafting scalable UI components, optimizing frontend architecture, and delivering pixel-perfect experiences. You\’ll work collaboratively across design, product, and backend engineering, guiding technical decision-making and mentoring others along the way.
This is a high-impact, hands-on role for someone who values clean design, robust engineering practices, and responsive, accessible interfaces-particularly in secure, regulated, and public-sector-ready software platforms.
Key Responsibilities
- Design, build, and maintain high-performance UI components using React, Preact, and TypeScript
- Collaborate closely with designers and product managers to turn prototypes into production-ready experiences
- Drive best practices around accessibility, cross-browser compatibility, and responsive design
- Lead the evolution of our component libraries and design systems for reusability and consistency
- Partner with backend teams to define and consume RESTful APIs with Swagger/OpenAPI
- Optimize applications for performance (e.g. lazy loading, bundle splitting, SSR) and scalability
- Guide testing strategy using Jest, React Testing Library, Playwright, or Cypress
- Influence and improve our CI/CD pipelines, code quality standards, and tooling
- Participate in technical planning, code reviews, and mentoring across the frontend team
Technologies You\’ll Use
Languages & Frameworks: TypeScript, React, Preact, JavaScript (ES6+)
Tooling: Vite, Webpack, Babel, ESLint, Prettier
Styling: CSS Modules, Tailwind, Emotion, Styled Components
Testing: Jest, React Testing Library, Playwright, Cypress
Collaboration: Git, GitHub, Figma, Storybook, Jira, Confluence
What We\’re Looking For
Technical Expertise
- 5+ years of experience developing frontend applications in production environments
- Deep expertise with React/Preact and TypeScript, including SPA architecture and component abstraction
- Understanding of performance profiling, code-splitting, and bundle optimization
- Strong grasp of responsive UI/UX, semantic HTML, and web accessibility (WCAG) standards
- Familiarity with REST APIs, Swagger/OpenAPI specs, and full integration workflows
- Experience contributing to or maintaining design systems or UI libraries
Mindset & Soft Skills
- A craftsman\’s approach to UI: attention to detail, empathy for users, and appreciation for visual hierarchy
- Clear, proactive communicator who thrives in collaborative, cross-functional environments
- A continuous learner who values mentoring, peer review, and shared ownership
- Comfortable operating in a fast-paced, agile product culture with an eye for simplicity and usability
- Passion for scalable design and performance in cloud-native, secure, and regulated software
Bonus Points
- Experience working with Preact in constrained environments (e.g., embedded UIs)
- Familiarity with SSR frameworks like Next.js, Astro, or similar
- Contributions to open-source frontend projects or community tooling
- Background in SaaS, developer platforms, or public-sector-facing digital services
Aker Systems Attributes
At Aker we work as a team, we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider Aker. We help out our colleagues and take pride in successfully achieving difficult tasks. We run towards problems and help solve them. Communicate always, do so accurately and in a timely fashion.
In return, we offer a competitive salary, 25 days holiday (excluding bank holidays), Company Paid Medical Insurance, Life Assurance (4x times basic salary), Pension scheme, Perks at Work, Cycle Scheme, Tech Scheme and Season Ticket Loan. Plus, a list of voluntary benefits including Dental Insurance, Critical illness cover and Virtual GP.
Equal Opportunities
Aker Systems fosters a diverse environment that encourages openness in its communications and is committed to providing equal employment opportunity for all people regardless of race, religion, gender or sexual orientation, age, marital status, national origin, citizenship status, disability, veteran status or other personal characteristics. We embrace differences of opinion and diversity because they help challenge us and find new groundbreaking technical solutions. #J-18808-Ljbffr
Senior UI Engineer employer: Aker Systems
Contact Detail:
Aker Systems Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior UI Engineer
✨Tip Number 1
Familiarise yourself with Aker Systems' culture and values. Since they prioritise a collaborative and supportive environment, showcasing your teamwork skills and how you contribute to a positive workplace can set you apart during interviews.
✨Tip Number 2
Highlight your experience with the specific technologies mentioned in the job description, such as React, Preact, and TypeScript. Be prepared to discuss your past projects where you've successfully implemented these technologies, especially in high-performance environments.
✨Tip Number 3
Prepare to demonstrate your understanding of web accessibility standards (WCAG) and responsive design principles. Aker Systems values clean and accessible UI, so be ready to share examples of how you've incorporated these practices into your work.
✨Tip Number 4
Engage with the frontend community by contributing to open-source projects or sharing your insights on platforms like GitHub. This not only showcases your expertise but also aligns with Aker's appreciation for continuous learning and collaboration.
We think you need these skills to ace Senior UI Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience in frontend development, particularly with React, Preact, and TypeScript. Emphasise any projects where you've crafted UI components or optimised performance.
Craft a Compelling Cover Letter: In your cover letter, express your passion for creating intuitive user interfaces and your understanding of accessibility standards. Mention specific examples of how you've collaborated with cross-functional teams to deliver successful projects.
Showcase Your Technical Skills: Include a section in your application that lists your technical skills, especially those mentioned in the job description like performance profiling, REST APIs, and testing frameworks. This will help demonstrate your fit for the role.
Highlight Your Soft Skills: Aker Systems values collaboration and communication. Make sure to mention experiences where you've worked in a team, mentored others, or contributed to a positive work culture. This will show that you align with their company values.
How to prepare for a job interview at Aker Systems
✨Showcase Your Technical Expertise
Be prepared to discuss your experience with React, Preact, and TypeScript in detail. Highlight specific projects where you've implemented scalable UI components and optimised frontend architecture, as this aligns closely with what Aker Systems is looking for.
✨Demonstrate Collaboration Skills
Aker Systems values teamwork, so be ready to share examples of how you've worked collaboratively with designers and product managers. Discuss how you turned prototypes into production-ready experiences and how you’ve mentored others in your previous roles.
✨Emphasise Accessibility and Performance
Given the focus on accessibility and performance in the job description, prepare to talk about your understanding of WCAG standards and your experience with performance profiling. Share specific strategies you've used to optimise applications for speed and responsiveness.
✨Communicate Clearly and Proactively
Aker Systems appreciates clear communication, so practice articulating your thoughts and ideas succinctly. Be proactive in asking questions during the interview to demonstrate your engagement and interest in the role and the company culture.
