Portal Designer Developer SAP Angular Framework

Mission Overview:

As a Portal Designer / Developer, you will be responsible for designing, developing, integrating, and maintaining modern enterprise portal applications that provide users with an intuitive and consistent digital experience across SAP and related business systems. This position is a consultancy mission at a client site representing Keystone Solutions.

Key Responsibilities:

In this role, you will carry out the following responsibilities under Keystone Solutions' consultancy model:

• Portal & UX design:
  • Translate business requirements and user journeys into portal concepts, wireframes, prototypes, and detailed interface designs.
  • Design intuitive, responsive, and accessible user interfaces for internal and external users.
  • Define and maintain reusable UI patterns, components, navigation structures, and design standards.
  • Ensure a consistent user experience across portal applications and integrated SAP processes.
  • Work closely with business analysts, process owners, architects, and end users to validate designs.
• Angular development:
  • Design and develop modern web applications using Angular, TypeScript, HTML5, CSS/SCSS, and JavaScript.
  • Develop reusable Angular components, modules, services, forms, and shared libraries.
  • Analyse and resolve application defects and performance issues.
• SAP integration:
  • Integrate portal applications with SAP and other enterprise backend systems.
  • Consume REST APIs and SAP services, including OData-based services where applicable.
  • Work with SAP technical teams on service contracts, authentication, authorization, data models, and error handling.
  • Support end-to-end business processes where portal functionality acts as the user-facing layer for SAP transactions or business services.
• Architecture & security:
  • Contribute to front-end and portal architecture decisions.
  • Ensure solutions follow enterprise architecture, security, identity, accessibility, and development standards.
  • Participate in technical design reviews and assess the impact of changes across the portal landscape.

Required Qualifications & Experience:

Essential:

• Strong professional experience with Angular and TypeScript.
• Strong knowledge of HTML5, CSS3/SCSS and modern JavaScript/ECMAScript.
• Experience designing and developing responsive web applications.
• Experience integrating front-end applications with REST APIs.
• Understanding of application security, browser security, accessibility, and web performance principles.
• Works effectively in multidisciplinary teams involving business analysts, UX specialists, SAP developers, integration specialists, architects, testers, and infrastructure/security teams.
• Able to document and explain technical solutions clearly.

SAP-related:

• Experience integrating web applications with SAP backend systems.
• Understanding of SAP OData services/APIs.
• Understanding of SAP authorization concepts and enterprise integration patterns.
• Experience working in environments containing SAP business processes and data.
• Experience with SAP Business Technology Platform (BTP).
• Strong analytical and problem-solving skills.
• Able to translate business requirements into practical technical designs.

Optional:

• Experience with SAP Fiori / SAPUI5 and an understanding of how these differ from custom Angular applications.
• Experience with SAP API/integration technologies.
• Experience with enterprise identity providers and Single Sign-On.
• Experience with Azure DevOps or comparable CI/CD tooling.
• Experience modernizing or replacing legacy enterprise portals.
• Responsive design.
• Component-based design systems.
• Able to challenge requirements constructively when they create usability, security, or maintainability problems.
• Takes ownership from initial design through implementation and production support.

Language:

• Good English.
• Nice to have French.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

Duration: As soon as possible - 31/12/2026 2 months • (full time)

Skills required:

• Languages
• Dutch or French
• English

Language requirements:

Dutch or French
Level Nice to have
English
Level Nice to have