Ethan Rohman

Software Developer at Quality Consulting Inc.

Contributed to production services in Java, Bash, TypeScript, CSS, React/TSX, and SQL. Front End: helped rewrite two complex form and dashboard applications in React with Redux for state management and client data caching; authored extensive unit, integration, and end-to-end tests (Playwright). Back End: contributed to a Node.js server using the Hapi.js framework with AWS services and JWT authentication; later, a Spring Boot REST API handled database operations and AWS interactions; wrote unit and end-to-end tests for both servers. Databases: created Terraform deployments for an Aurora Serverless RDS database with Flyway for schema updates and used DynamoDB for caching during large processing pipelines. DevOps: deployed AWS services via Terraform with policies, secrets, and security features; contributed GitHub Actions for test pipelines and Bash setup. Tools: Vim and tmux for editing; AWS CLI for service interaction. Team practices included daily standups and Azure DevOps; workflows l

Data Science Intern at Surest (A UnitedHealth Group Company)

Conducted data analysis of text message campaigns using Python, Pandas, and SQL to measure engagement. Built a question-answer bot using sentence transformers, created a custom embedding model and vector store, and managed deployment with MLflow; fine-tuned chat models to suggest answers to partial questions. Extended search capabilities with embedding models, including building a custom vector store for improved results. Engaged in interactive development with Elasticsearch, and contributed to pyspark pipelines in Databricks and Ascend, interfacing with AWS S3. Presented findings to groups up to 40 people and participated in Agile sprints, Jira story management, and Notion documentation.

Software Developer at Quality Consulting Inc. (QCI)

Contributed to production services across Java, Bash, TypeScript, CSS, React/TSX, and SQL. Rewrote two complex form and dashboard applications in React with Redux for state management and client data caching. Wrote extensive tests including unit (Vite, Jest), integration, and end-to-end (Playwright). Backend contributions to a Node.js server using the Hapi.js framework; later migrated related data operations and AWS integration to a Spring Boot REST API. Implemented unit and end-to-end tests for both servers to improve bug detection. Deployed and maintained infrastructure using Terraform for an Aurora Serverless RDS database, with Flyway for schema updates and GitHub Actions pipelines. Used DynamoDB for caching during processing. Supported DevOps workflows with AWS service configurations, secret management, and action runners. Daily standups and Azure DevOps tracking; most workflows leverage GitHub Enterprise integrating AWS resources.