Jimmy Colon

About Jimmy Colon

Full Stack Software Engineer |.NET 9 & Angular Specialist | Java 17 ExplorerI am a Full Stack Engineer with over 4 years of experience building and optimizing scalable distributed systems within the C#/.NET and Angular (RxJS/NgRx) ecosystems. Currently, I support high-stakes, large-scale applications for global enterprise clients at Capgemini, including Altria, NBC Universal, and GE Aerospace.My core expertise lies in architecting decoupled, high-performance data layers and reactive frontends. I focus on creating architectures that ensure long-term system maintainability and high-speed data delivery, bridge the gap between complex business requirements and technical implementation.Driven by a commitment to modern DevOps practices, I recently modernized my development workflow (personal project) by implementing a.NET 9 CI/CD pipeline using GitHub Actions. I am also an Azure Developer Associate (AZ-204) and am currently expanding my technical versatility by mastering Java 17 and Spring Boot to solve cross-platform engineering challenges.Core Tech Stack:Backend: C#, ASP.NET Core MVC, Web API.NET 9, EF Core, Java 17 (Upskilling).Frontend: Angular 12+, RxJS, NgRx, TypeScript.Data: SQL Server (T-SQL), Oracle SQL (PL/SQL).Cloud/DevOps: Azure (AZ-204), GitHub Actions (CI/CD), Git, Jira, Agile/Scrum

Experience

1. Custom Software Developer

   Capgemini

   Jan 2022 — Present · NY, US

   Altria - Designed and optimized T-SQL Stored Procedures and utilized Temporary Tables toprocess large datasets, reducing query execution time for critical manufacturing reports- Managed server-side authorization logic and led UAT cycles to protect sensitivemanufacturing data- Collaborated across onshore/offshore teams to translate business requirements intotechnical roadmaps and UI/UX mockups within an Agile/Scrum framework- Implemented server-side validation and business logic within ASP.NET Core, ensuring99.9% data accuracy for 100+ concurrent usersNBC Parks- Architected reactive frontend data flows using RxJS Observables to manage asynchronousstate and streamline API communication- Utilized NgRx Store and Effects to maintain a single source of truth, ensuring predictabledata behavior across complex, multi-component dashboards- Collaborated in a high-velocity Agile (Scrum) environment, utilizing Jira for task tracking andparticipating in peer code reviews to maintain high standards of code qualityGeneral Electric Aerospace-Resolved Level 2 production issues for Oracle SQL web applications, maintaining strictSLAs and performing Root Cause Analysis (RCA) via structured logging.

Education

• California State Polytechnic University-Pomona

  Bachelor of Business Administration - BBA, Computer and Information Sciences and Support Services

  2018 — 2021

• El Camino College

  Computer and Information Sciences and Support Services

  2015 — 2018