Enterprise Architect – Frontend -# 10894285

ITProposal; Amsterdam; On-site; EUR 67,000 - 100,000; Full time

Job summary

ITProposal is seeking an experienced Enterprise Architect (Frontend) in Amsterdam to lead frontend architectural initiatives using ReactJS and Next.js. The role focuses on scalable, high-traffic digital products such as booking flows and customer portals.

You will operate in a fast-paced Agile environment on a 6-month contract, starting 01 Oct 2026 in Amsterdam. The ideal candidate brings deep frontend architecture, hands-on engineering capability, and strong collaboration skills.

Qualifications

• 6–8 years of frontend development experience.
• Experience with ReactJS and Next.js.
• Strong knowledge of JavaScript, TypeScript, and SASS/CSS.
• Experience with Nx monorepos.
• Experience with test automation using Jest.
• Experience in Agile/Scrum environments.
• English communication skills; Dutch not required.

Responsibilities

• Architect, design, and develop frontend solutions using ReactJS and Next.js.
• Build scalable, high-performance interfaces for high-traffic digital products.
• Work within Nx monorepos to structure and optimize large codebases.
• Implement automated testing using Jest for reliability.
• Collaborate with cross-functional teams in Agile/Scrum environments.
• Contribute to frontend best practices, performance optimization, and code quality.
• Communicate effectively with stakeholders.

Skills

ReactJS

Next.js

JavaScript

TypeScript

SASS/CSS

Jest

Nx monorepos

Agile/Scrum

High-traffic platforms

Communication skills

Job description

Enterprise Architect – Frontend (React / Next.js)

Requirement ID: 10894285Posted: 04 Aug 2026Location: TNDL – Amsterdam, NetherlandsStart Date: 01 Oct 2026Duration: 6 MonthsStatus: Open

About the Role

We are seeking an experienced Enterprise Architect (Frontend) with deep expertise in ReactJS and Next.js to support Transavia's digital platforms. The ideal candidate has strong hands‑on engineering capability, thrives in high‑traffic environments, and can architect scalable, modern frontend solutions for mission‑critical systems such as booking flows, customer portals, and online check‑in platforms.

This is a 6‑month contract role based in Amsterdam, working within a fast‑paced Agile environment.

Key Responsibilities

• Architect, design, and develop modern frontend solutions using ReactJS and Next.js.
• Build scalable, high‑performance interfaces for high‑traffic digital products.
• Work within Nx monorepos to structure and optimize large codebases.
• Implement automated testing using Jest to ensure reliability and maintainability.
• Collaborate with cross‑functional teams in Agile/Scrum environments.
• Contribute to frontend best practices, performance optimization, and code quality.
• Communicate effectively with technical and non‑technical stakeholders.

Required Competencies

• Digital: ReactJS, Next.js
• Strong understanding of frontend architecture and enterprise‑scale design patterns.

Essential Skills

• Strong experience as a Front-End Developer.
• Advanced knowledge of JavaScript, TypeScript, and SASS/CSS.
• Hands‑on experience with React and Next.js.
• Experience working with Nx monorepos.
• Experience with test automation using Jest.
• Experience working in Agile/Scrum environments.
• Strong communication and collaboration skills.
• Ability to work on high-traffic platforms (booking flows, customer portals, online check‑in systems).
• English communication skills (Dutch not required).

Experience

• 6–8 years of professional experience in frontend development.

Desirable Skills

• Not specified (additional relevant frontend or cloud skills are welcome).

Location

• Amsterdam, Netherlands

Who Should Apply?

Senior Frontend Developers or Enterprise Frontend Architects who:

• Have deep experience with React and Next.js
• Can architect solutions for large‑scale digital products
• Thrive in fast‑paced Agile environments
• Are available to start in October 2026