🇳🇱 Amsterdam, Netherlands · 23h ago

Frontend Developer

GloPros

LinkedInEnglish-friendly
About GloProsAt GloPros, we are a cutting-edge Recruitment & Consulting company powered by an AI platform. Our mission is to connect global professionals across diverse industries, providing high-skilled talent available for permanent hires, freelancers, or consultancy roles. Here, you will be part of a team that champions professionalism, integrity, and a commitment to continuous improvement.About the RoleWe are seeking a talented Frontend Developer to join our dynamic team, focusing on building innovative features within a modern React/Next.js codebase. In this role, you will deploy real production code from day one, tackling tickets, writing comprehensive tests, and collaborating on small, well-defined pull requests.Key ResponsibilitiesReact/Next.js Expertise: Engage with routing (App Router and its rendering model), server/client component boundaries, and data-fetching and caching patterns. Build full features from specifications independently, articulating your choice of rendering and data-fetching approaches.CSS Proficiency: Demonstrate skills in layout (flexbox/grid), responsive design, specificity/cascade, and debugging component structure vs. styling issues.Styled-Components (or CSS-in-JS): Utilize component-scoped styling, props-driven variants, theming, and understand performance and SSR implications.TypeScript Knowledge: Type components, props, and hooks effectively using generics and discriminated unions, and resolve type errors confidently.Testing Expertise: Write Jest/RTL tests from scratch, determine what merits testing, manage mocks effectively, and prioritize behavior over implementation details.Scoping and Decomposition Skills: Analyze Jira tickets to identify gaps and risks, clarify ambiguities prior to coding, and provide reliable estimates while deconstructing features into manageable PRs.Git Proficiency in Team Workflow: Manage branches, rebases, interactive rebases, resolve complex merge conflicts, comprehend diffs, and maintain a clean commit history.Code Review Capability: Conduct insightful reviews of peers’ MRs; identify genuine issues, differentiate between blocking problems and subjective preferences, and provide actionable feedback.Debugging Skills: Trace bugs back to their root causes using development tools, network inspection, and React profiling, independently.Must-Have QualificationsAgentic Development Fluency: Comfortable using AI coding agents (e.g., Cursor, Claude Code) for routine tasks while providing precise instructions and assessing when to utilize AI versus manual coding.Performance Awareness: Possess knowledge of bundle size, render cost, deliberate memoization, and experience improving Core Web Vitals.Accessibility Fundamentals: Understand semantic HTML, keyboard navigation, and focus management, with awareness of accessibility best practices.Mentoring Abilities: Capable of pairing with or unblocking junior developers, clearly explaining decisions rather than merely applying them.Nice-to-Have QualificationsFamiliarity with Jira for ticket management.Experience with Figma, including reading design specs and assessing discrepancies with the component library.Proficiency with GitLab (MRs, pipelines, review flow); GitHub experience is transferable.Knowledge of i18next, MUI, Storybook, and SWR gained on the job.Comfort in navigating a codebase that was not originally authored by you.

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