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I'm a software engineer with 10+ years of experience in .NET/C#, full-stack development, and cloud deployments across healthcare, fintech, and SaaS. I have led backend microservices, modernized frontends, and driven migrations to AWS/Azure with HIPAA-compliant security and robust observability. My work spans GE Healthcare imaging platforms, Capital One payment ecosystems, Zendesk integrations, and Calendly calendar tools, all while mentoring teams and improving cloud-native patterns. I enjoy building reusable components, aligning across product and engineering teams, and delivering reliable, scalable platforms. I'm passionate about mentoring teammates on distributed systems, IaC, testing practices, and cloud-secured architectures, and I love turning complex problems into clean, well-documented solutions.…I'm a software engineer with 10+ years of experience in .NET/C#, full-stack development, and cloud deployments across healthcare, fintech, and SaaS. I have led backend microservices, modernized frontends, and driven migrations to AWS/Azure with HIPAA-compliant security and robust observability. My work spans GE Healthcare imaging platforms, Capital One payment ecosystems, Zendesk integrations, and Calendly calendar tools, all while mentoring teams and improving cloud-native patterns. I enjoy building reusable components, aligning across product and engineering teams, and delivering reliable, scalable platforms. I'm passionate about mentoring teammates on distributed systems, IaC, testing practices, and cloud-secured architectures, and I love turning complex problems into clean, well-documented solutions.

Robert Kath

Full Stack Developer, Developer, Web Developer, +5

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I'm a software engineer with 10+ years of experience in .NET/C#, full-stack development, and cloud deployments across healthcare, fintech, and SaaS. I have led backend microservices, modernized frontends, and driven migrations to AWS/Azure with HIPAA-compliant security and robust observability. My work spans GE Healthcare imaging platforms, Capital One payment ecosystems, Zendesk integrations, and Calendly calendar tools, all while mentoring teams and improving cloud-native patterns. I enjoy building reusable components, aligning across product and engineering teams, and delivering reliable, scalable platforms. I'm passionate about mentoring teammates on distributed systems, IaC, testing practices, and cloud-secured architectures, and I love turning complex problems into clean, well-documented solutions.…I'm a software engineer with 10+ years of experience in .NET/C#, full-stack development, and cloud deployments across healthcare, fintech, and SaaS. I have led backend microservices, modernized frontends, and driven migrations to AWS/Azure with HIPAA-compliant security and robust observability. My work spans GE Healthcare imaging platforms, Capital One payment ecosystems, Zendesk integrations, and Calendly calendar tools, all while mentoring teams and improving cloud-native patterns. I enjoy building reusable components, aligning across product and engineering teams, and delivering reliable, scalable platforms. I'm passionate about mentoring teammates on distributed systems, IaC, testing practices, and cloud-secured architectures, and I love turning complex problems into clean, well-documented solutions.

Available to hire

I’m a software engineer with 10+ years of experience in .NET/C#, full-stack development, and cloud deployments across healthcare, fintech, and SaaS. I have led backend microservices, modernized frontends, and driven migrations to AWS/Azure with HIPAA-compliant security and robust observability. My work spans GE Healthcare imaging platforms, Capital One payment ecosystems, Zendesk integrations, and Calendly calendar tools, all while mentoring teams and improving cloud-native patterns.

I enjoy building reusable components, aligning across product and engineering teams, and delivering reliable, scalable platforms. I’m passionate about mentoring teammates on distributed systems, IaC, testing practices, and cloud-secured architectures, and I love turning complex problems into clean, well-documented solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Python Full-Stack Developer at GE Healthcare

July 1, 2025 - September 3, 2025

Architected backend microservices in Python using Django and FastAPI for managing large clinical datasets with enhanced query performance. Designed async data pipelines improving throughput by 40%. Developed REST APIs integrated with React portals to streamline workflows. Collaborated with ML teams to deploy AI inference endpoints to assist diagnostic decisions. Led test automation reducing defects by 25%. Containerized applications with Docker and deployed on Kubernetes clusters ensuring 99.9% uptime. Built ETL pipelines with Snowflake and Airflow for efficient clinical data transformation. Automated infrastructure provisioning via AWS CDK and CloudFormation. Implemented HIPAA compliant security with RBAC and data encryption. Mentored junior engineers and led code reviews.

Python Full-Stack Developer at Capital One

July 1, 2021 - September 3, 2025

Developed customer-facing financial apps with React and Redux for 100k+ concurrent users. Created real-time internal dashboards with Vue.js. Migrated legacy Django services to FastAPI with async support, improving response times by 35%. Built Kafka consumers for real-time transaction processing. Developed middleware services in Node.js to improve microservice communication. Automated testing with pytest integrated in CI pipelines reducing bugs. Led zero-downtime deployments with Docker and GitLab CI. Integrated OAuth2 and SSO flows securing authentication. Automated cloud infrastructure with Terraform and managed RDS and Redshift for high availability and fast data queries.

Python Backend Developer at Zendesk

April 1, 2019 - September 3, 2025

Developed REST APIs with Django to support customer service operations processing millions of tickets daily. Integrated Celery for background task management. Improved search functionality using Elasticsearch and Redis caching. Wrote unit and integration tests embedded into Jenkins CI pipelines ensuring robust code. Managed container workloads with Docker and ECS for scalable backend services. Monitored system health using CloudWatch to minimize downtime.

Junior Software Developer at Calendly

April 1, 2016 - September 3, 2025

Maintained and enhanced the scheduling application using Django and PostgreSQL. Assisted in transition of UI from jQuery to React improving responsiveness. Designed and executed SQL migrations and conducted load testing with Locust. Built AWS Lambda microservices automating internal workflows. Participated in agile sprints, code reviews, and feature delivery.

Senior Software Engineer at GE Healthcare

July 1, 2025 - October 25, 2025

Developed .NET 7/8 ASP.NET Core WebAPI microservices for DICOMweb imaging, FHIR/HL7 interoperability, and cloud deployments on AWS/Azure powering Edison True PACS. Migrated WCF to ASP.NET Core APIs, designed GraphQL APIs for flexible imaging data queries, implemented DICOM de‑identification pipelines with multi‑cloud messaging, and secured endpoints with OAuth2/OIDC under HIPAA compliance. Modernized dashboards with React/Angular, and containerized services with Docker, deployed on EKS/AKS with Terraform/Helm/CI pipelines. Mentored teams on distributed systems and cloud patterns.

Full-Stack Developer at Capital One

July 1, 2021 - October 25, 2025

Led the AWS migration of .NET Core workloads to ECS Fargate and Lambda, built Kafka/SQS event flows for payments, and automated deployments with Terraform and GitHub Actions. Delivered REST and GraphQL APIs powering account servicing portals, built a robust RBAC model with OAuth2/OIDC, and implemented outbox patterns for transactional integrity. Contributed to Angular/React front‑ends with real‑time updates via SignalR, and established a design system for consistent internal UIs.

Backend Developer at Zendesk

April 1, 2019 - October 25, 2025

Built .NET Core integration services syncing CRM/ERP data via REST APIs and webhooks, publishing events to AWS EventBridge/SNS and Kafka. Containerized services with Docker and Kubernetes, extended Zendesk client SDKs, and delivered observability with ELK + Datadog dashboards. Created OpenAPI docs and developer tooling to accelerate partner integrations.

Junior Software Developer at Calendly

April 1, 2016 - October 25, 2025

Developed calendar sync agents with Google Calendar and Office 365 via Microsoft Graph; implemented OAuth2 flows with secure token storage and webhook hardening. Scheduled background jobs with Hangfire/Quartz, built WPF diagnostic tools for support, and improved time zone/recurrence handling (NodaTime). Wrote automated tests and contributed to metrics tracking for sync performance.

Senior Software Engineer at GE Healthcare

July 1, 2025 - October 25, 2025

Developed .NET 7/8 ASP.NET Core WebAPI microservices powering Edison True PACS for DICOMweb ingestion/retrieval, containerized in Docker and orchestrated on EKS/AKS, with Helm and GitHub Actions for rolling deployments. Built REST APIs for DICOMweb and patient metadata, designed GraphQL APIs for flexible querying of imaging data, and implemented FHIR R4 APIs to exchange patient/modality data with hospital systems. Implemented OAuth2/OIDC with Azure AD, integrated OpenTelemetry traces, and hardened HIPAA-compliant audit logging. Modernized frontends with React/Angular components and validated backends with xUnit/MSTest, WireMock, and Postman/Newman. Migrated WCF services to ASP.NET Core minimal APIs; containerized with Docker and deployed via Terraform across multi-tenant namespaces. Mentored teams on cloud-native patterns, observability, and IaC.

Full-Stack Developer at Capital One

July 1, 2021 - October 25, 2025

Led the 'all-in on AWS' migration: refactored .NET Core workloads to ECS Fargate and Lambda, built Kafka/SQS/SNS event-driven flows for payments, and automated deployments with Terraform and GitHub Actions. Delivered REST and GraphQL APIs powering servicing portals and transaction workflows, implemented outbox pattern for reliable cross-service data, and enforced OAuth2/OIDC RBAC with mTLS between services. Built unified design patterns and shared UI components across React and Angular front-ends, with performance optimizations and accessibility improvements.

Backend Developer at Zendesk

April 1, 2019 - October 25, 2025

Built .NET Core 2.1/2.2 integration services syncing Zendesk with CRM/ERP systems via REST and webhooks, with resilient retries and poison-queue handling. Published events to AWS EventBridge/SNS and Kafka, containerized legacy services with Docker and migrated to Kubernetes, wrote Helm charts and runbooks, and extended the Zendesk .NET SDK for partner teams. Implemented observability dashboards (ELK, Datadog) and API documentation to enable self-serve integrations.

Junior Software Developer at Calendly

April 1, 2016 - October 25, 2025

Developed calendar sync agents in .NET Framework 4.6, integrating Google Calendar and Office 365 via Microsoft Graph. Implemented OAuth2 flows, throttling, and hardened webhook endpoints; scheduled background jobs with Hangfire/Quartz; developed WPF diagnostic tools for support to reproduce issues and time-zone edge cases; improved recurrence calculations with NodaTime and contributed automated tests.