Seasoned Software Engineer APIs, Frontend, Observability

Felix Garcia

Newark, New Jersey, United States *****.*******@*******.*** 907-***-**** in/morzkat

SUMMARY

Software Engineer (7+ yrs) delivering high-volume, customer-facing platforms. Build reliable REST APIs in Node.js and ASP.NET Core (.NET 8), and front end apps in React, Angular, and Vue.js. Known for performance tuning, observability, disciplined error handling, automated testing, and production hardening. Experience spans fintech/tolling and enterprise reporting. EXPERIENCE

Software Engineer (Contract)

Fleetworthy April 2024 - Present

• Developed and maintained test suites using XUnit aligning with current API contract definitions to uphold release stability.

• Standardized data model definitions in back-end services, facilitating consistent API interactions and supporting downstream feature delivery for connected teams.

• Designed and implemented RESTful APIs and background job workflows for new modules using Node.js, TypeScript, and Express, ensuring robustness and scalability.

• Developed and maintained test suites using Jest and Vitest, aligning with current API contract definitions to uphold release stability.

• Developed and maintained user-facing features using React.js, emphasizing creation of reusable components, structured state management with Redux Toolkit, and robust form validation techniques.

• Standardized data model definitions in back-end services, facilitating consistent API interactions and supporting downstream feature delivery for connected teams.

• Built a centralized API from scratch integrating Databricks, with a configurable SQL execution layer (switchable per use case) and a thread-safe execution pool for concurrent queries.

Software Engineer (Contract)

The Goodyear Tire & Rubber Company February 2022 - April 2024

• Hardened back-end services (validation, error handling, observability) for the reporting platform, reducing manual validation by 15%.

• Refactored and optimized form components within the Vue.js application, consolidating validation logic to streamline workflows and reduce support burdens.

• Collaborated with cross-functional teams to deploy automated support solutions, promoting operational reliability and reducing manual intervention.

• Refined automated testing suites in alignment with current OpenAPI/Swagger contracts, enhancing release reliability for core backend services. Software Engineer (Contract)

Closing Group March 2020 - February 2022

• Migrated legacy UIs to Angular 8+ (TypeScript, RxJS, Reactive Forms), improving load times, maintainability, and consistency.

• Built and maintained .NET Core Web APIs, defining clear contracts and versioning.

• Implemented client-side validation and centralized error handling, reducing errors and support tickets.

• Created a shared component library and reusable form controls, accelerating delivery and reducing inconsistencies.

• Standardized RESTful API integration patterns across multiple frontend modules, streamlining development workflows and simplifying future maintenance.

Software Engineer (Contract)

Abarca Health January 2019 - March 2020

• Modernized .NET Framework .NET Core services, increasing throughput 32% and raising deploy frequency to 2x/week.

• Delivered front-end and business-logic enhancements - Angular (HTML/CSS/TypeScript) and C#/.NET Core.

• Implemented logging, metrics, and alerting to improve observability, reducing MTTR ~28%. Software Engineer

Banco BHD February 2018 - January 2019

• Resolved performance issues across API/DB/UI layers; lowered p95 API latency 18% on corebanking flows.

• Shipped features across .NET/ASP.NET, SQL Server, Angular; coordinated parallel workstreams.

• Built internal APIs and developer tooling adopted by 6 teams, reducing incident resolution time from 3 days to ~1.5 days. SKILLS

C#, TypeScript, JavaScript, SQL, Node.js/Express, ASP.NET Core (.NET 8), Entity Framework, Node.js/Express, React, Angular, Vue.js, Material UI, RxJS, Redux Toolkit, ASP.NET Core (.NET 8), JWT/OAuth2, Token Verification, PostgreSQL, SQL Server (T-SQL), SQLite, Jest/Vitest, XUnit, Moq, Docker, GitHub Actions, Azure DevOps, REST, Swagger/OpenAPI. EDUCATION

Software Technologist, Software Development

Instituto Tecnologico Las Americas (ITLA) • Santo Domingo, Dominican Republic • 2018

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