Fullstack Developer (and admin) SharePoint & ServiceNow

Posting Start Date: 27 May 2026

Location: Luxembourg, BE

Company: Serco Plc

The closing date for applications is 7 June 2026.

Job Introduction

Serco is a trusted partner of European Institutions and International Organisations, providing ICT services and Contact Centre management across Europe. Our expertise ranges from information systems support to consultancy services delivered under governmental frameworks, supporting key entities such as the European Commission and its Executive Agencies. As a leader in Service Integration and Management, we ensure the seamless delivery of services across multiple platforms, reflecting our strong commitment to quality and operational excellence.

We are currently seeking a Fullstack Developer (and admin) SharePoint & ServiceNow to join our team supporting the European Commission in Luxembourg, as well as in other locations across Europe. The position is open to freelance contractors. 

Key Responsibilities

  • Design and develop custom solutions while managing existing SharePoint environments.
  • Build and maintain AngularJS applications with efficient data handling and DOM manipulation.
  • Write clean, high-performance JavaScript code, with strong proficiency in ES5/ES6+ standards.
  • Integrate and maintain ServiceNow workflows and configurations.
  • Troubleshoot and optimise existing applications to ensure performance, reliability, and scalability.
  • Conduct requirements analysis with stakeholders to understand business needs and translate them into technical solutions.
  • Document code and maintain technical specifications for future reference.
  • Develop PAM-compliant solutions, ensuring secure privileged access controls.
  • Train end users and support teams on application functionality, best practices, and security protocols.
  • Create user documentation, training materials, and knowledge base articles.

Required Skills and Experience

  • Strong expertise in AngularJS (1.x) and Angular frameworks and architecture.
  • Advanced proficiency in jQuery for DOM manipulation and AJAX operations.
  • Proven experience with SharePoint On-Premises environments.
  • Solid understanding of JSON parsing, manipulation, and data structure handling.
  • Experience with the ServiceNow platform, including development, workflows, and integrations.
  • Experience in designing and consuming RESTful APIs.
  • Experience with version control systems such as Git, GitHub, or TFS.
  • Proficiency in HTML5 and CSS3.
  • Strong problem-solving and debugging skills.
  • Strong understanding of Active Directory (AD) and LDAP protocols for user and group management.
  • Understanding of Privileged Access Management (PAM) concepts and security protocols.
  • Experience with SharePoint REST API and CSOM (Client-Side Object Model).
  • Knowledge of C# or server-side web development.
  • Familiarity with modern JavaScript frameworks such as React or Vue.
  • Experience with data transformation and complex JSON operations.
  • Knowledge of SharePoint Online and Microsoft 365 integration.

Profile

  • Bachelor’s degree or higher.
  • The candidate must be eligible to undergo the process required to obtain EU Secret Security Clearance.
  • Excellent communication and documentation skills.
  • Self-motivated, with the ability to work independently.
  • Detail-oriented, with a strong focus on quality.
  • Ability to prioritise and manage multiple tasks effectively.
  • Strong analytical and problem-solving capabilities.

Package Description

Joining Serco's amazing team offers:

  • Competitive salary
  • Great career opportunities
  • Corporate benefits package
  • International environment
  • Possible hybrid work