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    Senior Front-end Developer

    Haystack People
    Utrecht Fulltime €4.000 - €5.500 per maand (o.b.v. 40 uur) 2026-06-30

    About Haystack People

    This leading front-end agency, with offices in Amsterdam and Utrecht, specializes in transforming complex ideas into intuitive and aesthetically appealing digital experiences. They work with a diverse client base, ranging from e-commerce giants to innovative tech-startups, delivering high-performance web applications with a mobile-first approach. The company fosters a collaborative and innovative culture, committed to continuous learning and professional development.

    About the Position

    Introduction

    This leading front-end agency, with offices in Amsterdam and Utrecht, is an authority in digital experiences. They transform complex ideas into intuitive and aesthetically appealing interfaces for various prominent clients across diverse industries, from e-commerce giants to innovative tech startups. The agency is known for its creative power and technical excellence, continuously investing in the latest technologies and methodologies. They adopt a 'mobile-first' approach and are experts in creating responsive, accessible, and high-performance web applications. The company culture is characterized by collaboration, innovation, and a strong focus on personal and professional development. With a close-knit team of passionate professionals, they strive to push the boundaries of front-end development and create lasting impact.

    Responsibilities

    • Lead and execute front-end development projects from start to finish.
    • Develop clean, efficient, and maintainable code.
    • Ensure optimal user experience and performance of web applications.
    • Collaborate closely with UX/UI designers to discuss technical feasibility and implementation.
    • Review team members' code and provide constructive feedback.
    • Coach and mentor junior and medior developers.
    • Actively contribute to the technical strategy and architecture of projects.
    • Stay updated on the latest trends and developments in front-end development and apply them in your work.

    Requirements

    • Minimum of 5 years of relevant work experience as a Front-end Developer.
    • Excellent command of HTML5, CSS3 (modules/preprocessors), and JavaScript (ES6+).
    • In-depth knowledge of modern JavaScript frameworks such as React, Vue.js, or Angular.
    • Experience with version control systems (e.g., Git).
    • Familiarity with testing (e.g., Jest, Cypress).
    • Understanding of tooling (e.g., Webpack, Vite).
    • Experience with Agile/Scrum methodologies.
    • Strong problem-solving skills and a proactive attitude.
    • Excellent communication skills in both Dutch and English.
    • Dutch language skills preferred (working knowledge required for this role based in the Netherlands).

    Nice to Have

    • Knowledge of TypeScript.

    Benefits

    • A challenging and dynamic position at a leading agency.
    • Opportunities for personal growth and development through courses, training, and conferences.
    • An inspiring work environment with an open culture and close-knit teams.
    • Flexible working hours and the possibility of hybrid work.
    • Regular team activities, social gatherings, and knowledge-sharing sessions.
    • Good secondary employment conditions, including a pension scheme, company laptop, and travel expense reimbursement.

    About Company

    This leading front-end agency, with offices in Amsterdam and Utrecht, specializes in transforming complex ideas into intuitive and aesthetically appealing digital experiences. They work with a diverse client base, ranging from e-commerce giants to innovative tech-startups, delivering high-performance web applications with a mobile-first approach. The company fosters a collaborative and innovative culture, committed to continuous learning and professional development.

    How to Apply

    Please apply through the provided link.

    Apply Now

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    Location

    Utrecht

    Type

    Fulltime

    Keywords

    Front-end
    Developer
    HTML5
    CSS3
    JavaScript
    React
    Vue.js
    Angular
    Git
    Jest
    Cypress
    Webpack
    Vite
    TypeScript
    Agile
    Scrum
    Mobile-first
    Verified Company

    Senior Front-end Developer

    Haystack People