Experienced staff / full stack / software engineer / architect with 28 years of software engineering experience and a BS in CS. In the recent 10-15 years I have been focused on SaaS, Web, Cloud, and SOA solutions, architecting, leading, developing, mentoring, and supporting backend platform architecture/services and front-end SPAs for modern SaaS platforms / products / cloud solutions.• I am a proven principal architect, hands on contributor, leader, mentor and problem solver.• Most recent roles/stacks are NodeJS, REST APIs, microservices, event architectures, SQL, No-SQL, SPAs with React and Angular, containerized with docker/docker-compose, automated CICD with GitHub/GitLab, integration tested with Jest/Mocha, and deployed in Kubernetes or Lambda/serverless in GCP and AWS clouds.• Expert level backend NodeJS experience with architecture, microservices, REST APIs, event-based processing, schedulers, workers, SQL/Postgres, MongoDB/No-SQL, ORM, data modeling, performance tuning, and observability.• Specialized authentication and authorization with OAuth, OIDC, JWT, or off the shelf with Auth0, Cognito. PKI, SSL, 2-way SSL, F5 SSL off-loading, etc.• Modern front-end SPA web apps with React Hooks/Redux, Angular, NPM, WebPack, etc. Some to Next.js.• FSDLC, NodeJS, Javascript, TypeScript, express, NestJS, Next.js, GitHub, GitLab, CICD, React Hooks, Redux, Angular, Python, all flavors of SQL, Postgres, Sequelize, TypeORM, MongDB, Parse, Elasticsearch, SOLR, Kafka, PubSub, SQS, SNS, S3, IAM, EC2, RDS, Redis, AWS, GCP, Lambda, serverless, docker, docker-compose, kubernetes, WebSockets, gRPC, SSL, PKI, OIDC, JWT, Auth0, SSO, Cognito, Postman, Swagger, OpenAPI, jest, mocha, Miro, CloudWatch, Splunk, NewRelic, GrayLog, ELK, TIG, Grafana, Prometheus.• Extensive specialty with 2D/3D geospatial - ArcGIS, ArcObjects, GeoTools, PostGIS, GDAL, OSG, KML, KmlServices, MapBox, OSM, Leaflet, Skyline, OpenLayers, Cesium, GoogleEarth, GoogleMaps, etc.