Dotnet Developer

OneSource Consulting; Antwerpen; Híbrido; EUR 65.000 - 100.000; Jornada completa

Descripción de la vacante

OneSource Consulting is seeking a Senior .NET/Azure Developer to strengthen the backend of our in-house identity orchestration platform with a strong IAM focus. The role moves existing .NET components toward a cloud-native Azure architecture, develops Azure Functions, Azure Container Apps and Key Vault, and enhances API security and provisioning.

You will work with distributed teams, ensure timely delivery, and support production deployments as part of a dynamic cloud-native environment.

Formación

• .NET / C# back-end development is required.
• Azure cloud-based service development (Azure Functions, cloud-native services).
• SQL relational design with stored procedures and functions (T-SQL).
• REST APIs – designing, building and consuming RESTful services (JSON).
• Experience with CI/CD pipelines in Azure DevOps to deploy solutions.
• Secure cloud development practices, including Azure Key Vault.
• Source control with Git.
• Experience with Agile methodology and a DevOps culture.
• Analysis, design, coding and implementation of customized object-oriented applications.

Responsabilidades

• You support and further develop the in-house identity orchestration platform and take ownership of related analysis, development, maintenance and follow-up.
• You help move existing .NET components toward a cloud-native target architecture on Azure by understanding the current stack and translating needs into maintainable solutions.
• You contribute to the design, development and maintenance of Azure components such as Azure Functions, Azure Container Apps and Azure Key Vault.
• You support IAM-related development topics such as user provisioning, API security, token conversion with user context, and identity governance (IGA) changes.
• You follow up IAM-related incidents and support vulnerability management for the components you own.
• You apply IAM and security engineering expertise to support secure user management, access control and API integration.
• Maintain & implement solutions within the agreed timeline and quality standards; document implementations and changes.
• Deliver 3rd-line support and assist in scheduled deployments outside office hours.

Conocimientos

.NET back-end development

Azure development

REST APIs

CI/CD pipelines

Git

Agile / DevOps

OO design & coding

Team collaboration

Herramientas

Azure Functions

Azure Container Apps

Azure Key Vault

Azure DevOps

Git

SQL / T-SQL

Descripción del empleo

WORK MODE: FULL TIME (HYBRID AND 2-3 DAYS ONSITE PER WEEK)

DURATION:ASAP - 12 MONTHS WITH POSSIBLE OF EXTENSION

JOB DESCRIPTION:

• We are looking for a senior .NET / Azure Developer to strengthen a team responsible for the backend of our in-house identity orchestration platform, with a strong focus on Identity & Access Management (IAM).
• In this role you maintain and further develop existing .NET components while driving the move to a modern, cloud-native architecture on Azure. You contribute to IAM-related evolutions, API security and new Azure-based modules.

ROLES AND RESPONSIBILITIES:

• You support and further develop the in-house identity orchestration platform and take ownership of related analysis, development, maintenance and follow-up.
• You help move existing .NET components toward a cloud-native target architecture on Azure by understanding the current stack, identifying reusable components, and translating functional needs into maintainable cloud-ready solutions.
• You contribute to the design, development and maintenance of Azure components such as Azure Functions, Azure Container Apps and Azure Key Vault, integrating with REST services and identity providers.
• You support IAM-related development topics such as user provisioning, API security, token conversion with user context, and identity governance (IGA) changes.
• You follow up IAM-related incidents and support vulnerability management for the components you own.
• You apply IAM and security engineering expertise to support secure user management, access control and API integration.
• Maintain & implement solutions within the agreed timeline and quality standards.
• Execute component and integration tests.
• Document implementations and changes.
• Support analysts & designers in converting functional specifications into technical solutions.
• Deliver 3rd-line support.
• You follow technical evolutions and can independently conduct research with the support of an application architect.
• You understand the technical architecture and re-use existing technical components.
• You assist in scheduled production deployments outside office hours.

Profile

• Senior developer with proven, relevant experience.
• Broad IT knowledge and interests.
• Strong planning skills; you dare to challenge the AS-IS and work result-driven.
• You work accurately and plan meticulously.
• You are solution-oriented, communicative and a real team player.
• You have a hands-on mentality and an eye for quality, and you take initiative to optimize development processes.
• Comfortable working with distributed, international teams.
• You can work independently in a complex application landscape and bring continuity to recurring changes.

REQUIRED EXPERIENCE (MUST-HAVE)

• .NET / C# back-end development.
• Azure development and cloud-based service development (Azure Functions, cloud-native services). Azure experience is a must.
• SQL — relational database design with stored procedures and functions (T-SQL). SQL is a must.
• REST APIs — designing, building and consuming RESTful services (JSON).
• Experience with CI/CD pipelines in Azure DevOps to deploy solutions across environments.
• Secure cloud development practices, including Azure Key Vault for sensitive information.
• Source control with Git.
• Experience with Agile methodology and a DevOps culture.
• Analysis, design, coding and implementation of customized object-oriented applications.

NICE TO HAVE

• SCIM — experience with SCIM-based user provisioning (most valued nice-to-have).
• OIDC / OAuth — experience with modern authentication and authorization protocols.
• Knowledge of IAM concepts such as identity governance (IGA), user provisioning and token conversion with user context.
• Experience or interest in Keycloak (or other identity providers), Open Policy Agent and fine-grained access control.
• Experience delivering IAM-related development or maintenance in a secure customer or partner portal environment.