Senior UI Engineer

Description

•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.

•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.

•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.

Requirements

•5+ years of experience developing frontend applications in production environments

•Deep expertise with React/Preact/Javascript 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

Benefits

•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

•Season Ticket Loan

•Dental Insurance (voluntary)

•Critical illness cover (voluntary)

•Virtual GP (voluntary)

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