Front-End Developer

GetSwarms Ltd; Belfast; On-site; GBP 40,000 - 55,000; Full time

Job summary

A tech firm in Northern Ireland is seeking an experienced Front-End Developer to build high-quality, responsive user interfaces using React. You will collaborate with cross-functional teams, ensure optimal performance of web applications, and mentor junior developers. A solid understanding of accessibility standards and modern development tools is preferred. The role offers a dynamic work environment with opportunities for continuous improvement in front-end technologies.

Qualifications

• Ability to solve complex front-end issues and deliver accessible, user-friendly interfaces.
• Experience with build tools and modern development workflows.
• Excellent communication skills and teamwork experience.

Responsibilities

• Build responsive React interfaces and integrate UX designs with APIs.
• Write clean, testable code and uphold best practices.
• Mentor junior developers and support team members.

Skills

Problem-solving skills

Technical proficiency

Communication skills

Familiarity with Webpack

Git proficiency

Understanding of WCAG standards

Tools

Webpack

Git

CI/CD pipelines

Job description

The Front-End Developer will be responsible for building high-quality, responsive, and accessible user interfaces that deliver excellent user experiences across web applications. You will work closely with designers, engineers, and product teams to translate requirements into performant, maintainable, and scalable front-end solutions. The role involves contributing to architectural decisions, ensuring code quality, and supporting continuous improvement across the development team.Additional Duties:Participate in sprint planning, backlog refinement, and agile ceremonies.Maintain documentation for components, patterns, and processes.Stay updated with emerging front-end technologies and contribute to continuous improvement initiatives.Assist in prototyping new ideas and features in collaboration with design and product teams.

Responsibilities

• Build responsive React interfaces, optimise performance, and integrate UX designs with back-end APIs.
• Write clean, testable code, support architecture decisions, uphold best practices, and mentor junior developers while collaborating across teams.
• Implement front-end performance best practices, including code splitting, image optimisation, caching strategies, and reducing render-blocking resources.
• Continuously monitor and improve load times and runtime performance.
• Collaborate across teams.
• Work closely with UX/UI designers to deliver intuitive, user-centred interfaces.
• Partner with back-end developers to integrate APIs, services, and data flows seamlessly.
• Ensure Code Quality.
• Participate in code reviews, contribute to coding guidelines, and champion front-end best practices.
• Contribute to Architecture.
• Support the evolution of the front-end architecture, selecting tools, frameworks, and patterns that enhance scalability and maintainability.
• Help define standards for styling, state management, and component organisation.
• Mentor and support team members.
• Provide guidance and support to junior developers, sharing knowledge and helping grow the team’s technical capability.

Skills and Qualifications

• Able to solve complex front-end issues, communicate clearly across teams, and deliver accessible, user-friendly interfaces aligned to WCAG.
• Technical proficiency.
• Familiarity with build tools and bundlers such as Webpack, Vite, or Parcel.
• Experience with Git, CI/CD pipelines, and modern development workflows.
• Capable of diagnosing complex front-end issues, implementing long-term solutions, and improving overall system stability.
• Excellent communication skills with the ability to work effectively in cross-functional teams and articulate technical concepts clearly.
• Understanding of accessibility standards (WCAG) and best practices to deliver inclusive, user-friendly interfaces.
• Contribute to sprint planning and agile ceremonies, maintain clear documentation, stay current with emerging front-end tech, and support continuous improvement.
• Collaborate with design and product teams to prototype and refine new features.