Robert Ozimek
Senior Full Stack Engineer • 8+ years
Senior Full Stack Engineer with 8+ years building production systems end‑to‑end. I ship robust web platforms, APIs, and data pipelines with React/TypeScript, Node.js/NestJS, Go, and cloud (GCP/AWS). Passionate about performance, DX, security, and thoughtful automation.
Skills
TypeScriptJavaScriptReactViteTanStack RouterNode.jsExpressNestJSGo (Golang)PythonJava.NET Core.NET FrameworkREST/GraphQLOpenID Connect (OIDC)CI/CDGitHub ActionsTesting (unit & integration)JestVitestAWSGCPBigQueryH3/geospatialData pipelinesAttribution modelingExcel/CSV parsingTailwind CSS
Experience
Sr. Full Stack Engineer · OneScreen.AI
Mar 2022 — Present · Remote
- Introduced NestJS on top of an existing Express app to modernize architecture and improve maintainability.
- Set up unit and integration testing frameworks and CI pipelines to run automatically in GitHub.
- Migrated frontend build from Create React App to Vite to significantly improve build and DX performance.
- Built GitHub Actions deployment pipelines to Google Cloud with environment management.
- Developed a map tiling service in Go that serves tiles backed by BigQuery.
- Implemented custom H3 tileset generation for geospatial analysis on map‑based data.
- Built campaign attribution that computes OOH lift using pixel tracking data.
- Implemented RFP Excel/CSV parsing to aggregate inventory and streamline plan generation.
- Participated in pre‑grooming to shape direction for new feature development.
Senior Software Engineer · ReliaQuest
Jan 2022 — Mar 2022 · Tampa, Florida, USA
- Developed a service to automate cybersecurity threat response workflows.
- Wrote alerting scripts integrating with security tooling to act on detected threats.
- Built integrations with third‑party cybersecurity platforms.
- Onboarded new developers, helping with environment setup and architecture overview.
Software Engineer II · ConnectWise
Jul 2020 — Feb 2021 · Tampa, Florida, USA
- Delivered user management and third‑party app features in an OpenID Connect (OIDC) SSO project.
- Digitally transformed and enhanced an internal lead‑generation sales tool.
- Built an AWS cloud service to monitor SLA rules and alert stakeholders; created deployment pipelines.
- Interviewed candidates and contributed to hiring.
Software Engineer · ConnectWise
Jun 2017 — Jul 2020 · Tampa, Florida, USA
- Contributed across backend and frontend features for internal and customer‑facing apps.
- Improved reliability, observability, and delivery pipelines across services.
Projects
Map Tiling Service
Go service that serves map tiles backed by BigQuery with custom H3 tileset generation for spatial analysis.
gobigqueryh3gcpmaps
OIDC SSO Enhancements
Delivered user management and 3rd‑party app integrations for an OpenID Connect sign‑on platform.
oidcdotnetawssso
Let’s build something great.
I’m open to collaborations, consulting, and interesting product work.