Senior Front-end Developer (Contract)

Jobgether; Netherlands; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Competitive contract compensation

Opportunities for professional growth

Mentorship and continuous learning

Support for developing technicalskills

Job summary

Jobgether, on behalf of a partner company, is seeking a Senior Front-end Developer (Contract) in the Netherlands. You will lead front-end development, mentor junior engineers, and collaborate with clients to translate requirements into high-quality UI solutions.

You will work with HTML, CSS, TypeScript, React, and Next.js, shaping scalable architectures, performance, accessibility, and SEO. The role combines hands-on coding with technical leadership in a fast-paced, client-focused environment.

Qualifications

• 5+ years of professional front-end development experience.
• Deep proficiency in HTML, CSS, TypeScript, and React.
• Experience with Next.js is a plus.
• Bachelor’s degree or equivalent in CS or related field desirable.

Responsibilities

• Lead design and implementation of high-quality front-end solutions.
• Collaborate with clients, team members, and stakeholders to deliver digital experiences.
• Develop tested, documented, clean TypeScript, HTML, and CSS code.
• Build responsive, cross-browser applications for desktop and mobile.
• Develop interactive prototypes to test UI concepts.
• Drive adoption of modern development standards and practices.
• Apply UX, branding, responsive design, and SEO throughout the lifecycle.
• Conduct browser testing, debugging, and performance optimization.
• Produce technical documentation and test plans.
• Mentor junior and mid-level developers.
• Build relationships with clients and act as technical advisor.
• Manage multiple projects and deadlines.

Skills

React

TypeScript

HTML

CSS

Git workflows

UI/UX

SEO

Accessibility

Leadership

Communication

English

Education

Bachelor’s degree or equivalent

Tools

Next.js

CMS

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Front-end Developer (Contract) based in Netherlands.

As a Senior Front-end Developer, you will lead the development of high-quality, responsive, and performant web experiences within a collaborative, client-focused environment. You will translate technical and business requirements into intuitive digital solutions across desktop and mobile. The role combines hands‑on development with technical leadership, mentoring, and stakeholder collaboration. You will work extensively with TypeScript, HTML, CSS, and React while helping drive modern development standards and best practices. Your expertise will contribute to scalable architectures, polished user experiences, and reliable application performance. This is an opportunity to influence both technical direction and the quality of digital products delivered to clients.

Accountabilities

• Lead the design and implementation of high-quality front-end solutions aligned with technical and business requirements.
• Collaborate closely with clients, team members, stakeholders, and leadership to deliver effective digital experiences.
• Develop tested, documented, clean, and efficient TypeScript, HTML, and CSS code.
• Build responsive, cross-browser-compatible applications optimized for both desktop and mobile environments.
• Develop interactive prototypes to explore and validate innovative UI solutions.
• Drive the adoption of modern development standards, tools, frameworks, and engineering practices.
• Apply UX, branding, responsive design, and SEO principles throughout the development lifecycle.
• Conduct browser testing, debugging, and performance optimization to ensure reliable and performant applications.
• Produce detailed technical documentation and test plans while maintaining high-quality codebases.
• Mentor junior and mid-level developers, encouraging best practices, knowledge sharing, and professional growth.
• Build trusted relationships with clients, colleagues, and stakeholders while serving as a reliable technical advisor.
• Manage multiple projects and priorities effectively while consistently meeting agreed deadlines and commitments.
• Provide code samples as part of the application process, with one repository that best represents your relevant work.

Requirements:

• 5+ years of professional experience in front-end development, with proven experience delivering production web applications.
• Deep proficiency in HTML, CSS, and TypeScript.
• Extensive hands‑on experience with React, including complex state management and front‑end architecture.
• Strong knowledge of Git workflows, branching strategies, and collaborative development practices.
• Demonstrated ability in browser testing, debugging, troubleshooting, and performance optimization.
• Solid understanding of the complete web development lifecycle, from design and development through deployment.
• Advanced knowledge of UI/UX principles, design patterns, responsive design, and web accessibility considerations.
• Solid understanding of SEO best practices for modern web applications.
• Strong leadership, mentoring, analytical, multitasking, and problem‑solving skills.
• Excellent communication and stakeholder management abilities, with the confidence to work effectively with both technical and non-technical audiences.
• Ability to work across multiple projects in a fast‑paced environment while remaining organized, dependable, and deadline‑oriented.
• Intermediate to fluent spoken English and fluent written English.
• Professional experience with Next.js is considered an advantage.
• Experience with additional front‑end frameworks and content management systems (CMS) is a plus.
• A Bachelor’s degree or equivalent professional experience in Computer Science, Information Systems, Business Administration, or a related field is desirable.

Benefits:

• Competitive contract compensation.
• Opportunities to collaborate with cross‑cultural teams and work in a diverse, collaborative environment.
• Opportunities for professional growth, mentorship, and continuous learning.
• Support for developing technical skills and staying current with modern technologies and development practices.
• A people‑focused environment where employees are encouraged to contribute meaningfully and develop their expertise.
• For eligible US‑based employees, the broader benefits package includes health, dental, vision, life, and disability insurance, as well as a 401(k) plan with up to a 4% company match.
• US‑based employees also benefit from self‑managed personal time off and ongoing learning and professional development opportunities.

We appreciate your interest and wish you the best!