Nexin - Medior / Senior BizTalk and.NET Developer

About the company
br/br/Our client is a well-established Belgian logistics and distribution company operating nationwide with multiple sites across the country.br/br/The organization manages time-sensitive distribution flows and supplies thousands of retail points daily. As part of its strategic evolution, the company is expanding into new product categories while modernizing its IT landscape.br/br/The environment combinesbr/br/A stable SME culture with flat hierarchybr/br/Long-term employee retentionbr/br/High operational criticalitybr/br/A strong ongoing digital transformation programbr/br/To strengthen the internal IT team, our client is looking for a Medior / Senior BizTalk .
NET Developer (minimum 5 years of experience).br/br/Your rolebr/br/You will join an experienced internal IT department (infrastructure + development) and actively contribute to the evolution of business-critical applications.br/br/You will:br/br/Design, develop and maintain integrations using Microsoft BizTalk Server 2020 and C#/.
NET.br/br/Create and maintain schemas, MAPS, orchestrations, pipelines, ports and adapter configurations.br/br/Develop .
NET components, services and REST/SOAP integrations; work with XML, XSD, XSLT and JSON.br/br/Write and optimize SQL Server queries and stored procedures, and implement validation, error handling and logging.br/br/Translate business requirements into technical solutions with business analysts and application owners.br/br/Day to day supportbr/br/Monitor interfaces and application health; investigate failed exchanges, suspended messages and processing delays.br/br/Handle daily support requests and production incidents, prioritize business impact and keep users informed.br/br/Diagnose issues across BizTalk, .
NET, SQL Server and connected systems; coordinate resolution with IT teams and external partners.br/br/Restore processing safely, including controlled message resubmission, and investigate root causes to prevent recurring incidents.br/br/Maintain support procedures, runbooks and incident records; turn recurring problems into permanent improvements.br/br/Quality and deliverybr/br/Test integrations and .
NET changes, including failure scenarios, and contribute to code reviews.br/br/Manage source code in GIT and support deployments with environment-specific configurations and rollback procedures.br/br/Document interfaces and technical changes, and share knowledge with colleagues.br/br/You will collaborate closely with business stakeholders and operational teams. As a BizTalk and .
NET developer, you will work in tandem with another colleaguebr/br/Your profilebr/br/At least 5 years of professional experience in software development, including proven experience developing and supporting Microsoft BizTalk and C#/.
NET solutions, ideally with BizTalk Server 2020.br/br/Strong C# and .
NET Framework skills, with hands-on experience in Visual Studio.br/br/Practical knowledge of BizTalk messaging, routing, promoted properties, MAPS, orchestrations and pipelines.br/br/Experience with XML/XSD, XSLT, JSON, REST/SOAP services and adapters such as sFTP and WCF-SQL.br/br/Solid SQL Server skills and experience troubleshooting integration or application issues in production.br/br/Experience with GIT, testing and structured deployment practices.br/br/Ability and willingness to combine development work with daily application support.br/br/Proven use of AI tools in software development, such as coding assistants for implementation, testing, debugging and documentation, with critical review of generated output and respect for data confidentiality.br/br/Fluent in Dutch or French, with a good working command of English.br/br/Additional assetsbr/br/Experience with SAP integrations, EDI/AS2 or other enterprise systems.br/br/Knowledge of modern .
NET, ASP.
NET Core, Azure Logic Apps, Service Bus or API Management.br/br/Experience with CI/CD, PowerShell, monitoring tools, or Jira and Confluence.br/br/Knowledge of Broadcom Automic for scheduling and monitoring automated jobs and workflows.br/br/Soft skillsbr/br/An analytical mindset and a methodical approach to troubleshooting.br/br/Ownership of issues through to resolution, with clear communication and a focus on business needs.br/br/Ability to manage priorities calmly, collaborate with colleagues and document solutions clearly.br/br/Work environmentbr/br/Multicultural teambr/br/Flat organizational structurebr/br/Short decision-making linesbr/br/Strong collaboration culturebr/br/Fun culturebr/br/On-site presence in Belgium required (with homeworking)br/br/Offerbr/br/Permanent contract (no freelance)br/br/Competitive gross salary depending on experiencebr/br/Company car (electric) + charging cardbr/br/Group insurancebr/br/Hospitalization ambulatory insurancebr/br/Meal vouchersbr/br/Annual performance bonusbr/br/20 legal holidays + 10 additional daysbr/br/If you are a hands-on Medior / Senior BizTalk .
NET Developer who enjoys combining technical depth with business impac