Senior .Net Developer (Optimizely/Azure/Security) (m/f/n)

or one of our clients - a global organization providing advanced digital solutions in the healthcare ecosystem and supporting large-scale patient-facing platforms, we are looking for a Senior .Net Developer (Optimizely/Azure/Security) (m/f/n) This role involves working on a highly impactful digital product focused on delivering medical information, educational resources, and patient support across multiple countries. The platform integrates with external medical systems, ensures strong data security standards, and serves users across Europe and the Middle East. You will join a senior, cross-functional team responsible for modernizing, maintaining, and continuously improving the platform.ResponsibilitiesDNS and infrastructure migrationDevOps and CI/CD governanceOptimizely/.NET development and maintenanceIncident handling and troubleshootingEdge security and WAFWeb analytics (GTM/GA4)Cookie compliance and privacyTeam communication and coordinationRequirementsStrong experience with DNS (NS/A/CNAME records, TTL, DNSSEC)Hands-on knowledge of Azure Front Door, TLS/certificates, CDN/edgeProfessional experience with CMS platforms such as Optimizely or UmbracoAzure DevOps (repos, pipelines, releases, permissions), GitProficiency in C# / .NET 6, Optimizely/Episerver 12, refactoring, and REST integrationsObservability/logs troubleshooting, DNS resolution, API debuggingExperience with WAF allowlist/bypass and edge logs (Cloudflare/Logpush/Azure Blob)Basic JavaScript knowledge, GTM/GA4 configuration, tag sequencingCookiebot, debugging scripts, GDPR/privacy-by-design understandingBusiness English (B2/C1)Softskills:Strong communication during change windows, including structured planning and rollback approachAbility to unblock teams, coordinate vendors, and support decision-making (go/no‑go)Experience with cross-team collaboration, code reviews, and balancing business vs. security needsAbility to remain calm and effective under pressure during incidentsClear communication with marketing, legal, PR, and external partnersAbility to prepare documentation, evidence for vendor tickets, and remediation recommendationsComfortable working in international, multi-timezone teams with prioritization disciplineOur offer: Rate: 170 - 185 PLN/h net + VAT Form of cooperation: B2B contract via SHIMILocation: 100% remoteStart: ASAP – notice period up to 2 weeks