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Ivan WinterIW

Ivan Winter

Front-end developer

€560/day
Rotterdam, NL
3-7 years
Prompt engineering
Next.js
HTML5, CSS3 & Tailwind CSS
Figma
Microsoft Azure

Average response time: 1 hour

About Ivan

Als ervaren Front-End Developer (5+ jaar) versterk ik technische teams met een scherpe focus op TypeScript-architectuur en schaalbare enterprise-omgevingen. Met ervaring bij organisaties zoals Van Lanschot Kempen en SoWeDo, ben ik gewend om binnen Agile-teams te werken aan complexe applicaties in React en Next.js.

Mijn specialisme ligt in de Fintech-sector; ik heb diepgaande ervaring met het vertalen van complexe compliance-workflows en payment rails naar veilige, intuïtieve interfaces. Ik werk pixel-perfect met Tailwind CSS en Storybook om robuuste component libraries te bouwen die de consistentie binnen een team waarborgen.

Ik ben op zoek naar een rol als Front-End Developer voor 20-24 uur per week waarbij ik direct waarde toevoeg aan de codebase en de sprintdoelen. Ik breng niet alleen technische snelheid, maar ook een gedisciplineerde aanpak in secure API-integraties en moderne UI/UX principes.

  • English

    Native or bilingual

  • Dutch

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Vereemo Personal Project
    Front-end developer
    BANKING AND INSURANCE
    July 2024 - Today (2 years)
    Rotterdam, Netherlands
    • Built production-grade dashboards and provider onboarding interfaces for a compliance infrastructure platform serving regulated payment rails across multiple jurisdictions.
    • Developed reusable, scalable front-end components in React and Next.js, ensuring design consistency across complex multi-step verification and compliance workflows.
    • Ensured pixel-perfect UI across mobile and desktop platforms for seamless user experiences.
    • Integrated REST APIs and real-time webhooks for payment provider data flows, handling HMAC authentication and signed event processing.
    • Implemented multi-step onboarding and verification screens translating complex compliance logic into clean, intuitive user flows.
    • Created secure provider dashboards with role-based access, credential management, and audit-ready proof artifact displays.
    • Utilized JavaScript ES6/ES7, TypeScript, React.js, Next.js v13-v15, Tailwind CSS, and Supabase.
    Next.js HTML5, CSS3 & Tailwind CSS Prompt engineering Supabase Vercel
  • SoWeDo - Alphen aan
    Front-end developer
    BANKING AND INSURANCE
    October 2023 - April 2026 (2 years and 6 months)
    Alphen aan den Rijn, ZH, Netherlands
    • Developed front-end features for internal application Just Lease using TypeScript and Next.js.
    • Translated designs into reusable UI components in Storybook, enhancing user interface consistency.
    • Collaborated with team to configure Next.js architecture, enhancing performance and accessibility.
    • Implemented Apollo Client to connect front-end with backend services efficiently.
    • Designed new components in Storybook following design guidelines to ensure scalability.
    • Executed development in Agile/Scrum environment, ensuring structured backlog prioritization and effective sprint reviews.
    • Utilized tech stack including JavaScript ES6/ES7, Tailwind CSS, Bitbucket, Microsoft Azure, and Azure DevOps.
    • Managed WordPress content using Advanced Custom Fields and GraphQL for efficient data queries.
    Next.js Bitbucket Wordpress Storybook GraphQL
  • Van Lanschot Kempen
    Front-end developer
    BANKING AND INSURANCE
    August 2022 - August 2023 (1 year)
    Amsterdam, Netherlands
    • Improved user experience in Client Center platform by designing modular Angular component architecture.
    • Developed front-end features for internal application Client Center using Angular, SCSS, and TypeScript.
    • Coordinated with team to configure and maintain Angular applications, optimizing performance and scalability.
    • Established best practices for code maintainability across components, enhancing overall code quality.
    • Created unit tests with Cypress to uphold code quality and prevent regressions.
    • Executed automated test suites utilizing Karma for continuous integration and delivery.
    • Utilized technology stack including JavaScript ES6/ES7, Angular, TypeScript, SCSS, Microsoft Azure, and Azure DevOps.
    HTML5, CSS3 & Tailwind CSS Angular .NET C# Microsoft Azure

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Education

  • Front-end Developer
    Novi
    2022
    Front-end Developer
  • Certificate, Communication and Marketing
    De Haagse Hogeschool
    2012
    Certificate, Communication and Marketing
Check out Ivan's education

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