# Jeffrey Jernstrom > Software Engineer Location: Stroudsburg, Pennsylvania, United States Profile: https://flows.cv/jeffreyjernstrom I am an experienced software engineer, primarily focused on Full-Stack, writing ETLs, GraphQL APIs, and UI components for SAAS platforms in a Java Spring Boot backend and React Typescript frontend. I have a bachelor's in Computer Science from Portland State University where I excelled as a capstone team lead, teaching assistant, and software engineering intern. With 8 years of experience programming in various languages I embrace a spirit of craftsmanship in writing clean, efficient, and scalable code. I thrive on technical challenges, communication, and agile teams. ## Work Experience ### Software Engineer @ RSAC Jan 2025 – Present | Pennsylvania, United States Frontend Production Engineering ### Software Engineer @ Secure Code Warrior Jan 2023 – Jan 2024 | Portland, Oregon, United States As part of a team focused on reporting metrics for our SAAS developer security training platform: • Contributed to a high functioning team practicing Agile Methodology, quality Code Review, and Pair Programming • Designed, built, and maintained a React frontend UI with Javascript/Typescript and MUI (Material UI in React) • Implemented a component library using MUI core, charts, and datagrid components following an atomic design pattern in our React (Javascript/Typescript) frontend UI • Created 100% test coverage for the components in our React (Javascript/Typescript) frontend UI using Vitest, Storybook, and Chromatic • Maintained a strict types and data hooks file, generated automatically from our backend GraphQL schema with codegen tooling, for our React (Javascript/Typescript) frontend UI • Used URQL to seamlessly query and cache all GraphQL data requests for concise and performant data visualizations with MUI charts and datagrids in our React (Javascript/Typescript) frontend • Implemented ETLs and table migrations from MongoDB to PostgreSQL using Java and Kotlin with Spark in our Spring Boot (Java) backend • Generated DBOs from our SQL schema using JOOQ in our Spring Boot (Java) backend • Generated DTOs from our GraphQL schema using Netflix DGS in our Spring Boot (Java) backend • Utilized Docker for container driven integrated testing with Groovy and Spock in our Spring Boot (Java) backend • Utilized Kubernetes and Skaffold for containerization and deployment of our Spring Boot (Java) backend to AWS (EC2) using ArgoCD • Supported E2E testing of our React (Javascript/Typescript) frontend and Spring Boot (Java) backend using Playwright and Kubernetes ### Software Engineer @ Multnomah County Jan 2022 – Jan 2022 | Portland, Oregon Metropolitan Area As an engineering intern working to prototype a multi-vendor payment gateway API for local government departments: • Designed and built a .NET backend server in C# using Object Oriented Design (OOP) patterns for a clean, maintainable, and scalable solution • Developed a RESTful API with ASP.NET in C# wrapped vendor APIs to automatically select the optimal use case employing the facade design pattern • Established and maintained unit testing in C# with xUnit following test driven development (TDD) practices • Gathered requirements from various county department stakeholders, laid out project scope, and presented MVP at the end of the project ### Software Engineer @ Tripwire Jan 2022 – Jan 2022 | Portland, Oregon, United States As an engineering intern focused on reporting metrics for our SAAS security vulnerability monitor • Developed high-quality, clean, scalable and reusable code with object-oriented design (OOP) patterns in Spring Boot (Java) backend • Utilized Docker for container driven integrated testing with Groovy and Spock in our Spring Boot (Java) backend following test driven development principles • Generated DBOs from our SQL schema using JOOQ in our Spring Boot (Java) backend • Generated DTOs from our GraphQL schema using Netflix DGS in our Spring Boot (Java) backend • Utilized Docker for container driven integrated testing with Groovy and Spock in our Spring Boot (Java) backend • Assisted with DevOps utilizing AWS & Terraform and created internal tooling to aid development • Contributed to a high functioning team practicing Agile Methodology, quality Code Review, and Pair Programming ### Technical Course Support Specialist @ Portland State University Jan 2019 – Jan 2021 | Portland, Oregon, United States Help students in Data Structures & Intro to Computer Science labs Proctor exams and proficiency demos Host homework help and tutoring sessions ### Lab Facilitator @ Portland State University Jan 2020 – Jan 2020 | Portland, Oregon, United States Manage lab sessions for Data Structures course Collaborative development of course materials for students Coordinate TCSS efforts to support student problem solving ## Education ### Bachelor of Science - BS in Computer Science Portland State University ## Contact & Social - LinkedIn: https://linkedin.com/in/jeffrey-jernstrom - GitHub: https://github.com/jjernstrom - Website: https://www.jjernstrom.com --- Source: https://flows.cv/jeffreyjernstrom JSON Resume: https://flows.cv/jeffreyjernstrom/resume.json Last updated: 2026-04-01