# Jesus Vargas > Software Engineer at Capital One Location: Los Angeles, California, United States Profile: https://flows.cv/jesusvargas Software Engineer experienced in leveraging design patterns, specifically singleton and observer patterns, to build full-stack applications. Recently, my go-to technologies have been JavaScript/React and Node.js; however, I’m continuously adopting new tech and love hearing other developer’s points of view. ## Work Experience ### Full Stack Engineer @ Capital One Jan 2022 – Present Slingshot Application 2024 – Present • Lead frontend architecture for AI integrations, partnering with product and design to transform MVP concepts into scalable production interfaces and shared UI systems. • Designed and built reusable visualization components for warehouse reporting experiences, introducing advanced chart capabilities (dynamic range highlighting, marker labeling) • Built Snowflake analytics dashboards surfacing recommendation progress, procedure dependencies, and tenant health, improving operational visibility for engineering and operations teams. • Own and evolve core Slingshot Insights Engine SQL procedures powering infrastructure recommendations, including research and implementation of Gen2 Snowflake warehouse migrations. • Serve as operational owner for monthly high-impact insight runs, diagnosing data completeness issues, Snowflake ingestion failures, and cross-team dependency breaks. • Act as a technical escalation point for incident investigations, mentoring engineers on Snowflake debugging, QuickSight analytics, E2E testing failures, and system architecture. • Improved platform reliability by expanding end-to-end testing, dependency validation, and unit coverage across distributed workflows spanning Snowflake, AWS Lambda, APIs, and React applications. Card Tech Partnerships, 2022 – 2024 • Led development and stabilization of an internal data-mapping platform, resolving systemic validation and state-management issues that significantly improved reliability. • Migrated application services toward containerized serverless infrastructure by configuring AWS ECS Fargate clusters. • Led Kohl’s partner trailing payments data conversion, coordinating with external partners and internal teams while integrating encryption services, ETL pipelines, and workflow automation systems. • Mentored new-graduate engineers through pair programming and technical guidance on React architecture, debugging strategies, and production troubleshooting. ### Software Engineer @ Artera Jan 2021 – Jan 2022 • Contributed to a microfrontend-based healthcare messaging platform integrated with Epic EHR using SMART on FHIR, enabling embedded patient communication workflows across clinical systems. • Served as Scrum Master, facilitating agile ceremonies, removing engineering blockers, and improving sprint delivery through structured planning and cross-team coordination. • Built frontend features for an embedded messaging application used within Epic workflows, enabling healthcare staff to communicate with patients directly from the EHR interface. • Standardized testing across microfrontend repositories by introducing Jest for unit testing and Cypress for integration testing, increasing code coverage and reducing regression defects. • Developed reusable UI components using KendoReact and Storybook, improving design consistency and enabling component documentation and visual regression validation. • Configured Webpack across microfrontend repositories to support production bundling and Hot Module Replacement (HMR) in development, improving build reliability and developer productivity. ### Process Engineer @ Worley Jan 2018 – Jan 2020 | Long Beach • Supported engineering work for the Marathon Salt Lake City refinery 2020 turnaround, coordinating process data and documentation across multiple engineering disciplines. • Maintained and redlined Piping & Instrumentation Diagrams, incorporating design updates and ensuring alignment between process, mechanical, and instrumentation teams. • Queried refinery process databases through internal Process Information Systems to support large-scale hydraulic calculations and process modeling. • Extracted datasets from process simulation tools into relational data formats used by multidisciplinary engineering teams. • Updated engineering drawings in AutoCAD to reflect approved design changes and maintain accurate refinery documentation ### Environmental Engineer @ Davenport Engineering, Inc. Jan 2016 – Jan 2018 | Greater Los Angeles Area • Supported environmental regulatory compliance projects for multiple Los Angeles-area refineries, analyzing operational and process data to meet federal and state emissions reporting requirements. • Developed Excel and VBA automation tools to streamline emissions calculations and standardize data preparation workflows used across multiple refinery clients. • Reviewed emissions calculation methodologies and evaluated their applicability to refinery operations and regulatory frameworks. • Prepared Annual Emissions Reports and Toxic Release Inventory (TRI) submissions, ensuring accuracy and completeness of refinery emissions data for regulatory compliance. ### Materials and Process Engineering Intern @ Boeing Jan 2015 – Jan 2015 | Huntington Beach, CA ### Materials and Process Engineering Intern @ Boeing Jan 2014 – Jan 2014 | Everett, WA ### Student Researcher @ UCLA Jan 2013 – Jan 2014 | California Nanosystems Institute ## Education ### Bachelor of Science (B.S.) in Chemical and Biomolecular Engineering UCLA Jan 2011 – Jan 2015 ## Contact & Social - LinkedIn: https://linkedin.com/in/jesusmvargas --- Source: https://flows.cv/jesusvargas JSON Resume: https://flows.cv/jesusvargas/resume.json Last updated: 2026-03-29