Senior OutSystems Engineer

Senior OutSystems EngineerAbout the RoleWe are seeking a Senior OutSystems Engineer to lead platform stabilization and migration readiness efforts for a large-scale clinical application supporting 130+ locations nationwide.

This is a highly hands-on, high-impact role focused on improving system performance, reducing risk, and preparing the platform for an eventual transition to a custom-built solution.

This engagement is expected to begin late April or early May and run approximately 6 weeks, with strong potential for extension based on performance.

What You’ll DoStabilize and Modernize Architecture Assess tightly coupled module architecture and reduce dependencies Identify and execute module extraction strategies to improve scalability Minimize risk and blast radius of ongoing changes without disrupting workflowsOptimize Database and System Performance Improve database performance by optimizing queries and implementing indexing strategies Design and execute migration of binary large objects out of the database Replace inefficient polling with event-driven or conditional patterns Implement backpressure controls for integrations impacting system performanceReduce Error Noise and Improve Observability Identify and remediate recurring error patterns masking real issues Refactor exception handling and client-side lifecycle violations Establish a clean, monitorable baseline for system healthBuild a Real Release Pipeline Establish a true multi-environment deployment pipeline Configure deployment automation using OutSystems APIs Implement gated release processes with approvals and controls Ensure non-production environments support meaningful regression testingManage Platform Capacity and Licensing Audit platform usage and identify optimization opportunities Remove unused or redundant components Define governance for capacity-impacting changes Extend platform headroom without impacting functionalityPrepare for Migration to Custom Platform Document all integrations including triggers, data contracts, and failure modes Map data entities into portable schemas Capture business logic embedded within the platform Identify core business logic vs platform-generated components Advise on migration sequencing and risk across workflowsWhat You BringRequired Experience 5+ years building and maintaining enterprise-scale OutSystems applications Deep experience with OutSystems 11, Service Studio, and Lifetime API Proven success optimizing performance including query tuning and data model improvements Experience refactoring complex, tightly coupled systems into modular architectures Strong SQL Server performance tuning experience including execution plans and indexing Hands-on experience with CI/CD pipelines and deployment automation within OutSystems Strong problem-solving skills in live production environmentsPreferred Experience Experience supporting or leading OutSystems to custom platform migrations Background in healthcare or clinical systems with understanding of critical workflows Familiarity with HIPAA considerations and secure data handling Experience with license optimization and application object management Knowledge of integration patterns across scheduling, e-signature, or CRM systemsWorking Environment Collaborate closely with internal engineering and PM leadership Operate with high autonomy and ownership of technical decisions Work within a live production environment supporting critical clinical operations Balance speed and precision while minimizing risk to end usersThis is a unique opportunity to step into a complex, high-visibility system, make immediate impact, and shape the foundation for a next-generation platform.