.NET Developer with expertise in C#, Java, REST APIs, and web security, fluent in Dutch or French, for a dynamic role in Digital Identity Fabric development.
Experience
8–15 yrs
Location
Brussel
On-site · Brussel, Belgium
Experience
8–15 yrs
Location
Brussel
On-site · Brussel, Belgium
The Brief
TITLE
.NET Developer French or Dutch
TYPE
Full-time
POSTED
Oct 6, 2026
JOB ID
01a11192
TITLE
.NET Developer French or Dutch
TYPE
Full-time
POSTED
Oct 6, 2026
JOB ID
01a11192
We are seeking a .NET Developer to join our team in Brussels. The role focuses on building and integrating authentication and authorization services for our Digital Identity Fabric. You will work closely with IT staff and product squads to deliver secure solutions.
Key responsibilities
Develop, test and document software components for authentication and authorization.
Configure and extend off‑the‑shelf solutions such as access managers, API gateways and directory services.
Promote and improve continuous integration and deployment pipelines using automation and configuration management.
Collaborate with IT staff and product squads to understand integration needs and resolve issues.
Participate in sprint planning, execution and backlog refinement within the squad.
Prepare and lead workshops or meetings, delivering technical documentation and solution proposals.
Required qualifications
Strong experience with C#, .NET, Java and RESTful APIs (JSON, YAML).
Proficiency in UI development using Vue.js, Blazor and JavaScript.
Solid knowledge of authentication standards (OAuth2, OIDC) and web security concepts (HTTPS, cookies, CORS, SSO, MFA).
Experience with Kubernetes/AKS, Git, and DevOps/CI‑CD practices.
Familiarity with LDAP, SQL Server and cryptographic concepts (symmetric/asymmetric keys).
Excellent communication skills in Dutch and/or French and English.
Nice to have
Scripting in TypeScript, PowerShell or Bash.
UI development experience with React.
Hands‑on experience with IDP platforms (Keycloak, Okta, ADFS, Ping, EntraID) or micro‑services architecture.
Interested? Apply now at [email protected]
About the company
Phoenix Tech is a Belgium-based technology consulting and software development company dedicated to helping businesses innovate, scale, and succeed in the digital era.
We partner with startups, SMEs, and enterprises to transform ideas into powerful digital solutions through technology consulting, custom software development, cloud solutions, AI-powered applications, IT staffing, and digital transformation services.
Our mission is simple— deliver technology that creates measurable business value. Whether you're building a new product, modernizing legacy systems, expanding your engineering capacity, or accelerating your digital transformation journey, Phoenix Tech provides the expertise, talent, and execution needed to achieve your goals.
At Phoenix Tech, we combine strategic thinking with hands-on technical excellence. Our team works closely with clients to understand their business challenges and develop scalable, secure, and future-ready solutions that drive growth, efficiency, and competitive advantage.
What We Deliver
* Custom Software Development
* Web & Mobile Application Development
* Cloud & DevOps Solutions
* AI & Data-Driven Applications
* IT Consulting & Digital Transformation
* Technology Talent & Team Augmentation
* Enterprise System Integration
* Product Development & Innovation
Why Clients Choose Phoenix Tech?
✔ Business-focused technology solutions
✔ Agile and transparent delivery approach
✔ Access to global technology talent
✔ Scalable engagement models
✔ Commitment to quality, security, and innovation
✔ Long-term partnership mindset
At Phoenix Tech, we don't just build software—we help businesses unlock new opportunities, solve complex challenges, and create lasting digital impact.
