Front-End Developer (React, Redux)

Alphacomm is seeking a Front-End Developer (React, Redux) to help build fast, accessible, and reliable user experiences for customers. You’ll work closely with design, product, and backend teams in a component-based React environment with Redux state management.

Only applicants already living in The Netherlands.

Alphacomm makes large European companies more successful and financially healthier by securing their revenue—by increasing average revenue per user, eliminating fraud in online transactions, and reducing the risk of non- and late payments. With locations in Romania, Rotterdam, the UK, and Germany, Alphacomm operates internationally as a trusted partner for many large organizations in Europe.

Our core values are:

• Care
• Eyes on the prize
• Think different
• Walk the talk
• Have fun

Key Responsibilities

• Build, extend and maintain reusable components in React + TypeScript
• Implement and manage complex state management using Redux (RTK, slices, async thunks, selectors)
• Integrate with RESTful APIs and handle async flows (loading, error states, retries, optimistic updates)
• Translate Figma designs into performant, responsive and accessible UIs
• Ensure cross-browser/device compatibility and maintain UI consistency across products
• Collaborate with product, design and backend teams to refine requirements and improve UX
• Write clean, maintainable code and contribute to code reviews and technical decisions
• Follow accessibility standards (WCAG) for all user-facing features
• Implement unit and integration tests for critical flows (checkout, login, forms, API flows)

Required Skills & Experience

• 4+ years of professional experience in front-end development
• Strong proficiency in React (hooks, context, component composition)
• Mandatory: TypeScript experience (strict typing, interfaces, types for API responses)
• Solid experience with Redux (Redux Toolkit, slices, async thunks, selectors)
• Excellent understanding of HTML5, CSS3, and modern JavaScript (ES6+)
• Experience integrating RESTful APIs and managing async logic robustly
• Familiarity with Git and standard branching workflows
• Experience working with component libraries/design systems (Material UI or similar)
• Strong debugging, problem-solving skills and attention to detail
• Comfortable collaborating in an agile environment with cross-functional teams

Nice to Have

• Experience with Next.js (SSR/SSG, routing, API routes)
• Knowledge of payment/fintech flows (3DS, error recovery, edge cases)
• Familiarity with CI/CD pipelines and deployment processes
• Understanding of web accessibility (WCAG) and applying best practices in production
• Experience with testing tools (Jest, React Testing Library, Cypress)
• Performance optimization skills (bundle splitting, memoization, Core Web Vitals)
• Experience with analytics/tagging setups (GA4, GTM, events tracking)
• Experience with Webflow pages (CMS collections, components, interactions, animations)

What you can expect from us:

• A good salary
• 25 days of vacation leave
• Travel allowance
• Pension scheme, 50% paid by us
• The opportunity to contribute and be part of a fast-growing company
• Direct lines of communication
• A great place to work with a bunch of great international colleagues