Available to hire
I am a Strategic Senior Staff Software Engineer with 19+ years of experience architecting and modernizing enterprise-grade, multi-tenant SaaS platforms across healthcare, finance, and regulated industries. I specialize in designing globally distributed, cloud-native systems using C#, ASP.NET Core, containerized microservices, and AWS, with React/TypeScript ecosystems.
I lead modernization initiatives to reduce costs, improve resiliency, and enable real-time analytics at scale across distributed AWS environments. I am experienced in Domain-Driven Design (DDD), CQRS, event-driven microservices, and high-availability architectures supporting thousands of enterprise users.
Skills
Experience Level
Expert
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Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Senior Software Engineer at Norwegian Cruise Lines LTD
October 1, 2024 - PresentLed a multi-phase redesign of search and product discovery services, introducing fallback execution paths, retry strategies, and circuit protection that increased overall service availability by 15% under peak traffic conditions. Reworked core data models and indexing strategies to reduce data duplication and improve query locality, shrinking persistent storage from 68M to 9.5M records and doubling average query throughput. Established asynchronous backend integrations with enterprise finance and booking systems, automating invoice and transaction synchronization and eliminating manual operational workflows. Enhanced ranking and recommendation logic with feature-based segmentation and tuning, producing a 3% lift in conversion rate and reducing average click depth by 7 positions. Implemented structured monitoring, alerting, and service-level metrics to surface failures earlier and reduce MTTR during incidents. Coordinated closely with frontend engineers to deliver real-time search and c
Senior Software Engineer at Gen Re
October 1, 2023 - PresentLed modernization of global underwriting and analytics platforms supporting enterprise insurance operations across multiple regions, delivering secure, highly available, and cost-optimized distributed systems on AWS. Architected ASP.NET Core (.NET 7) microservices handling 60,000+ requests/hour with DDD and CQRS, reduced technical debt, and improved service modularity. Deployed containerized workloads on Amazon EKS with autoscaling, sustaining 99.9% uptime under peak traffic while cutting cloud spend by 18%. Engineered multi-region DynamoDB with global tables and optimized multi-terabyte RDS (SQL Server) datasets via partitioning and read replicas, reducing reporting latency by 22%. Delivered real-time underwriting dashboards using React 18 + TypeScript serving 2,000+ internal users. Implemented enterprise-grade authentication via IAM and Cognito. Introduced centralized observability (CloudWatch, tracing, structured logging) reducing MTTR by 40%. Built AI-assisted risk classification p
Senior Software Engineer at Gen Rev
October 1, 2023 - PresentFull-stack engineering for enterprise SaaS-style platforms, backend systems, and cloud-based API infrastructure.
Senior Software Engineer at Sarnova Digitech
June 1, 2022 - October 1, 2024Designed and maintained backend services supporting portfolio management and transaction execution; built batch and near-real-time data pipelines to aggregate and validate multi-source transactional data, reducing end-to-end processing latency by 25% while preserving data consistency. Developed reporting and recommendation workflows enabling downstream teams to realize a 9% improvement in simulated ROI. Refined database schemas, indexing strategies, and caching layers to support analytical workloads with sub-200ms response times during peak usage. Introduced automated reconciliation and ETL processes with structured retry and error-handling logic, removing manual intervention and reducing operational overhead. Added detailed logging and metrics around data processing stages, improving traceability and simplifying production debugging. Worked closely with frontend engineers to expose analytics and reporting capabilities through internal dashboards used by finance and operations teams.
Senior Software Engineer at Spiria Digital Inc
June 1, 2019 - October 1, 2023Owned architectural decisions for multi-tenant SaaS platforms serving 500+ enterprise customers, delivering scalable .NET services, optimized relational data layers, and modular React applications on AWS. Led API development with strict data isolation and RBAC. Designed normalized schemas in Amazon RDS, optimized indexing/query strategies to reduce contention during high concurrency, and implemented event-driven processing using Amazon EventBridge and SQS handling over 8 million events per month. Migrated legacy monoliths to modular microservices on ECS/EKS, increasing deployment frequency and reducing regression defects by 25%. Strengthened React architectures (TypeScript, Redux, React Query) for responsive dashboards and prototyped AI-enhanced analytics for tenant usage trends.
Software Engineer at Spiria Digital Inc
June 1, 2019 - October 1, 2023Full-stack SaaS development focused on web applications and APIs; built scalable backend services using Python and Node.js-style architectures for enterprise SaaS workflows; designed secure authentication and multi-tenant data models; implemented RESTful APIs, React-based dashboards, and CI/CD pipelines.
Senior Software Engineer at SDSol Technologies
September 1, 2014 - June 1, 2019Delivered secure, high-throughput financial platforms using ASP.NET and SQL Server with strict audit/compliance requirements. Improved SQL performance by resolving lock escalation and optimizing long-running queries, reducing batch delays by 35%. Introduced SQS/SNS-based asynchronous messaging to boost throughput during spikes. Strengthened transactional reliability with explicit transaction scopes and retry mechanisms for mission-critical payment workflows. Containerized applications with Docker and supported early Kubernetes implementations, enabling infrastructure efficiency and smoother frontend collaboration.
Full Stack Engineer at SDSol Technologies
September 1, 2014 - June 1, 2019Full-stack development of enterprise SaaS-style systems, APIs, and cloud-integrated backend services.
Software Engineer at R1 RCM
September 1, 2014 - May 1, 2022Built and evolved distributed pipelines to compute ETA and speed predictions at regional scale, expanding coverage from 1M to 3M streets and improving prediction accuracy by 20%. Implemented automated workflows for model training, validation, deployment, and monitoring, reducing release cycles by 70% and improving rollout consistency. Developed benchmarking and metrics systems to track model performance and data quality, cutting investigation and validation time by 80% during regressions. Designed pickup-location optimization and GPS ingestion services capable of sustaining high traffic while tolerating partial system failures. Improved data ingestion reliability through backpressure handling and retry mechanisms, reducing data loss during peak traffic periods. Collaborated with product and frontend teams to align backend data flows with ETA and operational dashboards.
Software Engineer at High Tech Locksmith LLC
September 1, 2012 - June 1, 2014Implemented backend services for product discovery and item similarity, contributing to a 5% increase in customer conversion through more relevant search results. Delivered automated identity verification workflows incorporating OCR and document processing, shortening verification turnaround from multiple days to hours. Optimized document and request-processing pipelines to improve throughput by 10% under concurrent workloads. Added structured validation and error-handling logic to reduce failed transactions and customer support tickets. Introduced logging and basic monitoring to surface processing issues earlier in daily operations. Helped standardize backend development practices within a small engineering team.
Full Stack Developer at MXOtech Inc
October 1, 2006 - September 1, 2014Engineered enterprise web applications across healthcare and professional services. Built scalable C#, ASP.NET MVC, and SQL Server solutions with normalized schemas to enforce integrity and performance. Improved query response times via execution plan analysis. Implemented secure authentication and RBAC for multi-user platforms and supported early frontend modernization with JavaScript and React.
Frontend Engineer at MXO Tech Inc
October 1, 2006 - September 1, 2014Frontend development for enterprise web applications using HTML, CSS, PHP, and JavaScript.
Software Engineer at AllScripts
October 1, 2006 - August 1, 2012Developed backend services supporting clinical risk assessment and reporting, improving hospital readmission prediction accuracy by 12–15%. Built automated ingestion and normalization workflows for large EHR datasets, reducing manual preprocessing effort by 30%. Implemented clinical decision-support features integrated into physician workflows, contributing to a 5% reduction in adverse events. Optimized data access patterns to support high-volume reporting and analytics queries. Worked with clinical, compliance, and product stakeholders to deliver features within HIPAA-compliant systems. Prototyped patient segmentation and resource allocation logic to assist hospital planning and care prioritization.
Education
Bachelor Degree in Computer Science at Columbia College Chicago
March 1, 2002 - May 1, 2006Bachelor Degree in Computer Science at Columbia College Chicago
March 1, 2002 - May 1, 2006Bachelor Degree in Computer Science at Columbia College Chicago
January 1, 2002 - January 1, 2006Bachelor at Columbia College Chicago
March 1, 2002 - May 1, 2006Qualifications
Industry Experience
Healthcare, Software & Internet, Financial Services, Retail, Transportation & Logistics, Professional Services, Travel & Hospitality, Media & Entertainment
Skills
Experience Level
Expert
Expert
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Expert
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Intermediate
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Intermediate
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