Daniel Etrata

Remote · Python, Go, ReactJS, PostgreSQL, Elasticsearch, Kibana, Prometheus, Loki, Promtail, Grafana, KServe, Knative, ArgoCD, MLflow, Gitea, Keycloak, JupyterHub, Helm, Kubernetes (AWS, GCP, Azure, IBM, bare metal)

• Served as de facto maintainer of the deployment repo for an IL5 AI/ML platform on AWS GovCloud EKS, gatekeeping merges — 600+ authored commits and 330+ merged MRs on that repo alone.
• Developed a commercial multi-cloud Kubernetes management SaaS hosted on GCP across 4 environments — 1,000+ authored commits spanning Python APIs, async job infrastructure, and React UI.
• Rebuilt a production vector database image from 113 CVEs to zero in one release cycle, including a verified irreversible data migration to a distroless, nonroot, major-version-bumped base.
• Maintained 140 images and their repos in GitLab CI/CD with monthly scans, remediations, and justifications.
• Built scan orchestration, approval automation, and rootless builds for a DoD continuous container-authorization pipeline.
• Authored security mitigations for an agentic multi-model orchestration product ahead of government deployment.
• Refactored an LLM-powered security assistant from OpenAI to Claude to fully self-hosted with zero external APIs, then hardened it for deployment.
• Shepherded 3 applications through Certificate to Field, operating in IL5/IL4/IL2 AWS GovCloud environments.
• Developed and maintained 7 products across SaaS and DoD platforms — 4,400+ authored commits and 1,000+ merged MRs across 150 repos over 6 years.
• Wrote Selenium E2E test automation and drove Python API test coverage to 80%.
• Authored the team's internal documentation covering container hardening, git workflows, and pipeline references, contributing 3x more than any other author.

Chicago, IL · CentOS, Nginx, MongoDB, NodeJS, ReactJS, AWS

• Implemented Amazon Advertising API/OAuth 2.0 integration in Python for importing, scheduling, and adjusting campaigns across 27 accounts.
• Built profit reporting, dashboards, and advertising keyword/search term reporting in NodeJS, MSSQL, and D3/DC.js across 3 departments and 20 regions.
• Migrated 14 sites from various hosting providers to AWS S3 and EC2; responsible for Logistics and B2B Portal production deploys in AWS Elastic Beanstalk.
• Utilized AWS SDK for application-specific services such as mailing lists and image storage.

Chicago, IL · CentOS, Nginx, PostgreSQL, Django, jQuery

• Led the platform upgrade from Python 2.7 to 3.6 and increased tested code coverage and peer review across 3 projects.
• Maintained internal testing queues validating 300k+ coupons, stores, and brands per month.
• Maintained B2B paid placement prospecting, sellables, inventory, scheduling, and market segment targeting.
• Built reporting in Python, Django, and pandas, with additional reporting in PostgreSQL, D3.js, and AngularJS.
• Maintained bad actor detection and logging; responsible for Tool and Merchant Portal production deploys.

Chicago, IL

• Launched self-contained Flask websites and developed web-scraping pipelines with Scrapy against custom client requirements.
• Delivered marketing and statistical reports from scraped data into spreadsheets and MySQL databases, always on time.

Oakbrook, IL

• Tested point-of-sale systems, back-office servers, and in-store processing units for McDonald's in C#; product released to 5,000+ stores.
• Developed command-line batch scripts to set up testing environments within an Agile team.

Chicago, IL

• Developed the persispy tool for studying invariants of algebraic varieties, abstracted to n dimensions.
• Implemented C extensions from PHCPack for fast complex solutions, often achieving 10x speedups.