Front-End Developer

Capventis; Dublin; Hybrid; EUR 45,000 - 65,000; Full time

Job summary

Capventis in Dublin is seeking an experienced front-end developer to join our R&D team, building a next-generation business enablement system. The role is ideal for those who thrive in rapid innovation and challenging industry norms.

You'll work with React, TypeScript, Next.js, and modern tooling to deliver scalable UI components, optimized performance, and robust testing using Jest and Playwright. Based in Dublin or Anglesey, you will contribute from Capventis' head office.

Qualifications

• Experience with React and TypeScript in production.
• Familiarity with Next.js, SSR and CSR.
• Experience with REST APIs and state management.
• Knowledge of testing with Jest or Playwright.
• Strong debugging and performance tuning skills.

Responsibilities

• Build and maintain a next-gen business enablement system frontend.
• Collaborate with R&D on rapid innovation and standards.
• Ensure code quality with tests and CI tooling.

Skills

React

TypeScript

Frontend architecture

REST APIs

State management

UI components

Hooks

Performance optimization

Tools

Next.js

Webpack

Turborepo

Zustand

Tailwind CSS

CSS Modules

Jest

Playwright

Docker

Job description

Capventis is at an advanced stage of a major R&D project and seeks to expand its current development team. Based primarily out of M-Sparc, Anglesey and Cherrywood, Dublin, the development pulls together some of the latest technologies in databases, languages and environments. We are pioneering a transformative approach to data management and business organisation, one that challenges conventional methods and redefines the possibilities of modern enterprises. Our vision is bold and innovative, and we seek dynamic individuals who are passionate about shaping the future of how businesses operate. Join us at the cutting edge of technology and strategy, where your skills will help drive a revolution in efficiency, decision-making, and growth.

About The Role

We are looking for an experienced front-end developer to join our R&D team working on a next generation business enablement system. The position is ideal for candidates who want to work in an environment of rapid innovation and invention, looking to challenge industry norms and standards.

Requirements

• React / TypeScript
  • TypeScript (1-2+ years production experience)
  • React and modern React patterns
  • Components, props, state, hooks, composition, and rendering
  • Idiomatic React and TypeScript
  • Type safety, generics, unions, and interfaces
  • React debugging, stack traces, and runtime errors
• Next.js / Frontend
  • Next.js and SSR fundamentals, understanding SSR, CSR, hydration, and static rendering
  • Webpack and frontend build tooling
  • Turborepo / monorepo experience
  • Reusable components and component-based architecture
• State management / APIs
  • REST API integration
  • TanStack Query / React Query
  • Caching, invalidation, refetching, and optimistic updates
  • Zustand
• Styling
  • Tailwind CSS
  • CSS modules and fundamentals, layout, responsiveness, and browser behaviour
  • Reusable UI components and shared component libraries
• Testing
  • Jest and unit / component testing
  • Playwright for end-to-end testing
  • Understanding unit vs integration vs E2E tests
• Performance / Debugging
  • React peformance and unnecessary re-renders
  • Browser DevTools and React debugging tools
  • Reading stack traces and debugging production issues
  • Bundle size, code splitting, and lazy loading
  • Basic Core Web Vitals knowledge
• WebSockkets and real-time UI
• Reconnects, duplicate events, and stale connections
• Docker and containerising frontend applications
• Build and deployment troubleshooting
• Learning & Development
• Opportunity to innovate and shape a new paradigm in business technology

Successful applicant s can be based out of Capventis head office (Dublin) or UK office (Anglesey), depending on domicile .