Lead Front End Engineer

Careers; Brussel; On-site; EUR 90,000 - 130,000; Full time

Job summary

Keystone Solutions seeks a Lead Front End Engineer to drive architecture and delivery of modern web apps using Angular 2+. The consultant role is at a client site in Belgium, spanning several projects with tight timelines.

You will mentor developers, collaborate with UX and solution engineers, and ensure scalable, secure frontend solutions. The role requires API experience, Rust, and cloud-native frontend work within an agile, client-facing environment.

Qualifications

• Master's degree in Computer Science or equivalent from EU
• 10+ years frontend web app development experience
• 5+ years leading frontend teams
• 5+ years cloud native frontend development
• 5+ years Angular 2+ framework experience
• 1+ year desktop app development experience
• 1+ year Rust programming experience
• 5+ years defining and developing APIs
• 5+ years developing web portals with Angular 2+ or portal tech
• 5+ years frontend architect experience
• 5+ years building and optimizing Design System libraries
• 3+ years CI/CD pipelines experience (Azure DevOps)
• 5+ years working in Agile delivery teams

Responsibilities

• Define the front end architecture and technical direction with the architecture team
• Design scalable, maintainable, and secure frontend architecture and standards
• Provide technical leadership and mentorship to frontend developers
• Collaborate with UX architects and solution engineers on solutions
• Build modern web apps using Angular 2+ and RESTful services
• Develop and maintain desktop apps using Rust
• Streamline microservices integration and ensure a seamless user experience
• Translate wireframes into well-structured, reusable code
• Stay updated on frontend tech and best practices
• Work in agile delivery teams to drive project success

Skills

front end architect

agile delivery teams

angular 2+ framework

cloud native frontend

desktop application development

frontend development

APIs in frontend

define APIs

consume APIs in frontend

web portals / angular

CI/CD pipelines

Design System libraries

Rust

Education

Master's degree in Computer Science

Tools

Azure DevOps

Job description

Mission Overview

We are seeking a Lead Front End Engineer with expertise in Angular 2+ for a consultancy mission at a client site, representing Keystone Solutions. This role involves working on a modernization program that is ambitious and consists of several projects with tight timelines. As a consultant, you will be engaged in dynamic projects that offer diverse challenges across various client environments.

Key Responsibilities

• Define the front end architecture and technical direction in collaboration with the architecture team.
• Design scalable, maintainable, and secure front end architecture, selecting appropriate technologies and standards for the long term.
• Provide technical leadership and mentorship to other front end developers, conducting quality code reviews and ensuring best practices are followed.
• Collaborate closely with UX architects and solution engineers to develop efficient, performant, and feasible solutions.
• Build modern and scalable web applications using Angular 2+ and integrate RESTful services.
• Develop and maintain desktop applications using Rust.
• Effectively communicate and collaborate with team members to streamline microservices integration and ensure a seamless user experience.
• Translate wireframes and prototypes into well-structured, semantic, and reusable code.
• Stay updated on the latest developments in front end technologies and best practices.
• Work within agile delivery teams, contributing to the overall success of the projects.

Requirements

• Master's degree in Computer Science or equivalent from a recognized institution within the EU.
• Continuous self-education to stay informed about the latest trends and innovations in front end development.
• 10+ years of hands-on experience in front end web application development.
• 10+ years of experience in consuming APIs in front end applications.
• 5+ years of experience in leading and managing a front end development team.
• 5+ years of experience in cloud native front end application development.
• 5+ years of experience with Angular 2+ framework.
• 1+ year of experience in desktop application development.
• 1+ year of experience with Rust programming language.
• 5+ years of experience in defining and developing APIs.
• 5+ years of experience in developing web portals using web portal technology or Angular 2+ framework.
• 5+ years of experience as a front end architect.
• 5+ years of experience in developing and optimizing library components of a Design System.
• 3+ years of experience in implementing and optimizing CI/CD pipelines, preferably within Azure DevOps.
• 5+ years of experience working within agile delivery teams.

Languages

Good knowledge of English, as well as Dutch or French, is necessary due to the bilingual work environment.

Keystone Solutions Advantages

• As a consultant, you will have the opportunity to work on-site, enhancing your consultant identity.
• Engage in dynamic projects that provide a broad learning experience and turbo-charged professional development.
• We are committed to your career growth within our framework, ensuring your ambition skyrockets.
• Being a "K-Stone" means bringing our core values to every engagement.

Duration

01/12/2026 - 30/11/2027 12 months

• (full time)

Skills required

• ervaring als front end architect - Level: Confirmed - Most recent: 1 to 3 years ago
• ervaring met (samen)werken binnen agile delivery teams - Level: Confirmed - Most recent: This year
• ervaring met Angular 2+ framework - Level: Confirmed - Most recent: This year
• ervaring met cloud native front end applicatie ontwikkeling - Level: Confirmed - Most recent: This year
• ervaring met desktop applicatie ontwikkeling - Level: Junior - Most recent: This year
• ervaring met front end applicatie ontwikkeling - Level: Expert - Most recent: This year
• ervaring met het definiëren en ontwikkelen van API's, alsook met het ontsluiten/consumeren API's in front end - Level: Confirmed - Most recent: This year
• ervaring met het definiëren en ontwikkelen van API's - Level: Confirmed - Most recent: This year
• ervaring met het ontsluiten/consumeren van API's in front end - Level: Expert - Most recent: This year
• ervaring met het ontwikkelen van web portals op basis van web portal technologie of via angular 2+ framework - Level: Confirmed - Most recent: 1 to 3 years ago
• ervaring met implementeren en optimaliseren van CI/CD pipelines - Level: Junior - Most recent: 1 to 3 years ago
• ervaring met ontwikkeling en optimalisatie van library componenten van een Design System - Level: Confirmed - Most recent: 1 to 3 years ago
• ervaring met programmeertaal RUST - Level: Junior - Most recent: This year

Language requirements

Dutch or French

Level Active knowledge

English

Level Active knowledge