Frontend Developer – Belfast (Hybrid Working)
About the Business
A rapidly expanding technology firm focused on artificial intelligence and advanced analytics is looking to hire a Frontend Developer to strengthen its engineering team. The company builds innovative AI-powered solutions designed to turn large-scale, complex data into meaningful insights that support critical operational decisions.
Position Overview
This hybrid opportunity is based in Belfast and offers a blend of office and remote working. The successful candidate will help shape and enhance the user interface of a sophisticated analytics platform, creating responsive, scalable, and intuitive web applications.
Working alongside backend developers and product specialists, you’ll play a key role in building engaging user experiences, integrating APIs, and improving overall application efficiency within a dynamic and collaborative environment.
Key Duties
- Integrating RESTful APIs for both configuration and data services
- Developing interactive data visualisation tools including:
- Geographic mapping
- Time-series displays
- Charts and graphs
- Data tables
- Creating and maintaining advanced forms and workflow configurations
- Handling asynchronous requests, user feedback, validation, and error states
- Writing unit and component tests
- Supporting the continued growth and enhancement of platform UI features
Required Experience & Skills
- Minimum of 2 years’ experience in frontend development
- Strong knowledge of JavaScript and/or TypeScript
- Solid understanding of HTML and CSS
- Experience working with REST APIs
- Ability to manage API responses and dynamic data rendering
- Knowledge of:
- Complex form handling and validation
- Role/permission-driven UI functionality
- Async state management and error handling
- Familiarity with data visualisation techniques such as:
- Geo-mapping
- Time-series data
- Pie, bar, and line charts
- Large tabular datasets
Additional Technical Knowledge
- Git and GitHub Actions
- Agile delivery environments
- Jira or similar project management tools
Desirable Technologies
- React or Angular frameworks
- D3.js or
- WebSocket integration
- Figma or similar UX/UI design tools
- OpenTelemetry
- Testing tools including:
- Jest
- Selenium
- Playwright
- Cypress
- Accessibility standards (WCAG)
- Exposure to AWS or Google Cloud Platform
Advantageous Background
- Active GitHub portfolio or open-source contributions
- Experience producing technical content such as blogs, talks, or articles focused on frontend development or data visualisation
Salary & Benefits
- Competitive salary package with bonus potential
- £40,000 – £50,000
- 25 days annual leave plus bank holidays
- Private healthcare with family cover included
- Dental and optical benefits
- 5% employer pension matching
- Income protection and life assurance
- Travel insurance
- Dedicated learning and development funding
- Health and wellbeing allowance
Additional Details
Applicants must have the right to work in the UK and be able to satisfy any necessary security clearance or vetting processes connected to the role.
For more information or a confidential discussion, apply using the relevant link or contact the VANRATH team directly today.
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Contact:
Skills:UI Engineer Frontend Developer Frontend Engineer Frontend Development Javascript Developer
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