
Joining KEYES means giving purpose to your talent.
Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES, we are not just looking for technical expertise; we are looking for people who share our values.
Do you want to continue your career and grow within one of Belgium’s leading IT companies?
Join KEYES as a SeniorSharePoint Developer !
KEYES is a dynamic global organization that takes pride in being the trusted partner of EU Institutions. With strong commitment to excellence and a 30-years track record of delivering high-quality solutions, we are dedicated to supporting the growth and success of our clients. Our Mission is to help our clients keep up with the challenges of digital transformation by providing the right talent at the right time for the right job. To this end, we are constantly looking for talented professionals who are interested in working on challenging international projects and able to deliver high-quality results within multicultural environments. Our services include (but are not limited to) Modernization of Solutions, Digital Workspaces, Infrastructure & Cloud Solutions, Cybersecurity Solutions, Business Software Solutions, Mainframe Solutions, Data & AI Solutions, Advisory Solutions, and Staffing Solutions Our Headquarters are in Brussels and we have active accounts and offices across Europe (i.e. Luxembourg, Athens, Brussels, etc.)
More information: www.keyes.eu
The Background:
For our customer - an EU Institution based in Warsaw - we are looking for a Senior SharePoint Developer to join our team in the area of border management - supporting Member States in implementing EU laws and operational measures for border security, migration management, and Schengen cooperation. For this position you must be based or willing to relocate to within 2 hours of Warsaw.
The tasks:
-Designing and developing the system
-Leading development teams
-Translateing requirements into design
-Optimizing software from performance, security and quality points of view
-Producing technical documentation
-Estimating effort and time for development
-Setting software development standards
-Proposing technical solutions for business needs and technical problems
-Collecting and interpreting software metrics
-Managing configuration and releases
-Contributing to requirements analysis, testing, quality assurance, change management, deployment
-Testing solutions and develops testing tools
-Documenting developments
-Prototypes solutions
-Acting as 2nd and 3rd line support
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Are you the perfect match?
University degree (BSc/MSc).
Minimum 4 years of experience in IT
Minimum 2 years working as a SharePoint Developer
English level of B2 or higher
At least 1 intermediate certification in software development relevant to the domain
Minimum 2 years of experience in Full-stack SharePoint support or developer role (custom solutions development, SDK, workflows, timer jobs, features etc.)
Microsoft .NET / Microsoft .NET Core, Microsoft SQL Server applications development with T-SQL knowledge, Knowledge of Azure DevOps pipelines
Experience with Web Services, REST API, HTTP API
Experience with HTML & CSS – responsive design, JavaScript, TypeScript (good understanding of JS as arrow functions, destructing), React.
Has gone at least 1 time through the complete lifecycle of the solution
Expert in developing enterprise level software systems in specified technology domain
Knows UML and can design applications in UML
Proficient in designing and developing: data layer, business logic layer and UI layer
Worked in Scrum developments
Is capable for leading technical teams

Face aux enjeux numériques, les décideurs IT, les directions générales et les responsables métiers qui portent l’avenir des petites et grandes organisations belges et européennes ne cherchent pas seulement un prestataire, mais un partenaire capable de combiner vision stratégique globale et solutions sur mesure. De sécuriser vos données, de moderniser vos infrastructures et de renforcer la résilience de votre organisation.
Bienvenue chez KEYES…
Acteur engagé de l’écosystème numérique, nous accompagnons les organisations privées et publiques, en Belgique et en Europe, dans leur transformation digitale.
Notre groupe, qui combine la puissance d’un leader (Top 3 ICT en Belgique) avec la proximité d’un expert local, conçoit et déploie des solutions globales et souveraines, créatrices de performance et d’agilité.
Nos expertises
Présent dans des domaines clés tels que la santé, le secteur public, les grandes organisations et les PME, KEYES s’appuie sur un large éventail d’expertises :
· Cloud : Des solutions hybrides et souveraines pour une infrastructure flexible
· Cybersecurity : Une protection proactive pour garantir l'intégrité de vos systèmes
· Business Software : Des applications métiers pour optimiser vos processus
· Mainframe : La maîtrise et la modernisation de vos systèmes critiques
· Data & AI : Transformer vos données en leviers de décision stratégique
· Advisory : Un accompagnement stratégique pour éclairer vos choix technologiques
· Staffing : Les meilleurs talents IT pour renforcer vos projets
Chez KEYES, nous croyons qu'une technologie responsable est le moteur d'une société plus performante.
Guidée par les enjeux métiers de nos clients et la recherche de valeur durable, nos 3.700 experts ne se contentent pas d'installer des solutions ; ils partagent votre vision, anticipent vos risques et bâtissent, avec vous, le futur numérique de la Belgique.
Unlock the change. Envision the future.