Senior Frontend Engineer - Vue 3, AI & Modernisation

Keylane; Rotterdam; Hybrid; EUR 50,000 - 67,000; Full time

Benefits offered by this job

Salary €4,500–€6,000 gross/mo

8% holiday allowance

Profit sharing

Pension scheme

Travel reimbursement

Company bike leasing

24 holiday days + 7 inclusion days

Lunch provided on-site

Working from home allowance

Internet allowance

Remote work abroad up to 2 months/yr

Academy and training

Vitality program

Job summary

Keylane is seeking an experienced Senior Frontend Engineer to shape and modernise pension portals. You will own frontend work end-to-end, combining Vue.js expertise with AI-assisted development while collaborating across Agile teams.

You will lead frontend initiatives, refine engineering standards, and mentor peers. The role emphasizes reusable architecture, automated testing, and delivering performant, secure user experiences at scale.

Qualifications

• Eight+ years frontend development experience in SaaS/platform/multi-customer env.
• Strong expertise in Vue.js, TypeScript/JavaScript, HTML, CSS including Vue 3 and Composition API.
• Experience modernising frontend apps, e.g., Vue 2 to Vue 3 migrations.
• Knowledge of frontend architecture, typed models, REST APIs and automated testing.
• Design reusable, configurable components for multiple customers.
• Familiar with Nuxt, Vuetify, Vite, Storybook, Vitest, Cypress or Playwright.
• Focus on performance, accessibility, security, maintainability and UX.

Responsibilities

• Take technical ownership of frontend work from discovery to production.
• Lead frontend initiatives and influence engineering standards.
• Mentor other frontend engineers and conduct code reviews.
• Ensure usability, accessibility, performance, security, and maintainability.
• Adopt AI tools and help teams apply AI responsibly to improve productivity.

Skills

Vue.js

TypeScript

JavaScript

HTML

CSS

Vue 3

Composition API

State management (Pinia/Vuex)

REST APIs

Automated testing

AI-assisted development

Mentoring

Agile/Scrum

Tools

Nuxt

Vuetify

Vite

Storybook

Vitest

Cypress

Playwright

Job description

Keylane is seeking an experienced Senior Frontend Engineer to shape and modernise pension portals. You will own frontend work end-to-end, combining Vue.js expertise with AI-assisted development while collaborating across Agile teams.

You will lead frontend initiatives, refine engineering standards, and mentor peers. The role emphasizes reusable architecture, automated testing, and delivering performant, secure user experiences at scale.