Stack Engineer .Net Core

D OMINGO L A R A

Senior Full Stack Engineer / .NET, Azure, Angular, React

Graham, Texas ***********.*****@*****.***

linkedin.com/in/domingolara-fsdev

Senior Full Stack Engineer with over 12 years of experience in the software development and consulting. Main technologies are C#, ASP.NET Core, Django, Node.js, Angular, React, and Go. My focus is .NET Core back-end processes. I have worked for many industries, including global investment banks, hedge funds, insurance companies, retail, and healthcare. I have worked with companies of all sizes, from startups to large Fortune 500 companies. S K I L L S

Languages: C#, Java, Python, JavaScript, TypeScript, Go, T-SQL, PL/SQL, XML, HTML, CSS, SCSS,

API: REST API, GraphQL, Web Socket, SOAP, gRPC,

Backend: .NET (ASP.NET, .NET Framework, .NET Core), Django, Flask, Spring Boot, Node.js, Nest.js,

Libraries: SignalR, Dapper, Entity Framework, LINQ, WPF, WCF, TPL, Simple Injector, Serilog, RabbitMQ, Blazor, Razor,

Frontend: Angular, AngularJS, NgRx, RxJS, React, Redux, Next.js, Vue.js, Nuxt.js, Vuex, Alpine.js,

UI/UX: Bootstrap, Tailwind CSS, MUI, AntD, Kendo UI, Figma, Adobe XD,

Database: MS SQL Server (2000, 2005, 2008), PostgreSQL, MySQL, MongoDB, Oracle, Redis, Memcached, SQLite,

Testing: Jest, Mocha, Chai, Cypress, Selenium, xUnit, NUnit, Pytest, CI/CD,

Cloud Services: Azure, Azure DevOps, AWS, Google Cloud, Heroku,

Version Control: GitHub, GitLab, SVN,

Other: Swagger, Storybook, Vite, Webpack, VSCode, P R O F E S S I O N A L E X P E R I E N C E

Lead Full Stack Engineer Costco Wholesale 10/2020 – Present

- Built Fintech internal tools for a company using C#, ASP.NET, .NET Core, Angular, MSSQL, Azure, AWS, and GCP, aligning with business goals.

- Architected RESTful and GraphQL API services using ASP.NET MVC, .NET Core, Node.js, MS SQL Server, and AWS DynamoDB.

- Built a credit monitoring API for B2B consumers using serverless architecture with Azure Functions, AWS, and Amazon MQ.

- Implemented real-time transaction monitoring with .NET Core and gRPC, handling high transaction volumes without bottlenecks.

- Experienced in the microservice architecture using Azure App Service, Azure Functions, SignalR, AKS, AWS Lambda, Docker, and Kubernetes.

- Utilized SignalR in Blazor to implement real-time communication features, enabling instant updates for chat applications and dashboards.

- Utilized Dapper and LINQ to optimize data access, improving query performance and streamlining database interactions

- Created WCF services responsible for communicating and providing real time data from integrated server to client applications.

- Developed micro-frontends using Angular and React, implementing efficient caching strategies that reduced loading time by 20%.

- Implemented data visualizations on the dashboards using Angular, RxJS, Recharts, DI, Socket.io, and Material UI.

- Imported data from flat files to SQL Server database using SSIS.

- Executed integration tests using xUnit, Jest, and Cypress; documented with Swagger.

- Built CI/CD pipelines with Jenkins, GitHub Actions, and SVN for faster, high-quality releases.

- Used JIRA, Confluence, GitHub, GitLab in the Agile / Scrum environment. Senior Full Stack Engineer Deloitte 01/2017 – 09/2020

- Managed full-cycle development of B2C applications driving business growth.

- Enhanced reliability with backend in .NET Framework, ASP.NET, Spring Boot, and Flask, building REST and SOAP integrations.

- Extensive implementation of data access layer using ADO.NET, LINQ to SQL, Entity Framework.

- Boosted front-end performance using Angular, React, and Redux with Bootstrap, Tailwind CSS, and Kendo UI.

- Reduced the client-facing webpage load time from 30+ seconds to only milliseconds by minimizing database round trips using Entity Framework for efficient stored procedure result-to-entity translation.

- Streamlined data operations on MS SQL Server and PostgreSQL via optimized T-SQL, PL/SQL, and XML scripts.

- Integrated CI/CD pipelines with GitLab and Jenkins, automating tests with xUnit and Mocha for fast deployments.

- Coordinated multidisciplinary teams using GitHub and SVN for efficient version control.

- Scaled deployments with AWS and Google Cloud, ensuring secure, robust infrastructure.

- Documented APIs with Swagger and Postman for clear knowledge sharing.

- Utilized Dapper for efficient handling of complex database operations, including crafting and executing stored procedures, to optimize data retrieval and manipulation.

- Improved throughput by 35% through targeted performance tuning and error resolution.

- Conducted regular code reviews and enforced best practices to boost maintainability and productivity. Full Stack Developer IBM 04/2014 – 12/2016

- Directed web app initiatives aligned with client objectives.

- Upgraded backend systems using ASP.NET, Node.js, and Django, building efficient REST APIs and Web Socket integrations.

- Used Silverlight to develop rich user interface for web forms and WPF (Windows Presentation Foundation) for windows.

- Boosted user engagement with interactive UIs built in AngularJS, Vue.js, and jQuery, and responsive layouts via HTML5, CSS, and SCSS.

- Optimized MS SQL Server and PostgreSQL performance through advanced T-SQL, stored procedures, and PL/SQL scripts.

- Automated builds and deployments with Jenkins and GitLab, ensuring rapid releases and robust testing.

- Collaborated with cross-functional teams in agile environments, using SVN for efficient version control.

- Enhanced scalability by integrating Heroku and early cloud services for continuous deployment.

- Documented APIs with Swagger, Storybook, and Postman to streamline technical communications.

- Directed code refactoring initiatives to reduce technical debt and improve performance.

- Tuned performance to boost application responsiveness and minimize downtime. Software Developer Cardinal Health 07/2012 – 03/2014

- Managed end-to-end projects, aligning with key business needs.

- Enhanced backend with .NET Framework and ASP.NET, building REST and SOAP services.

- Optimized front-end using AngularJS, jQuery, Bootstrap, HTML, CSS, and SCSS for responsive design.

- Streamlined data operations on MS SQL Server and Oracle with advanced T-SQL and PL/SQL queries.

- Implemented CI with SVN and related tools to smooth deployment workflows.

- Collaborated with cross-functional teams, contributing to agile standups and code reviews.

- Facilitated cloud migration with emerging cloud services and virtualization.

- Documented APIs using Swagger and Postman for effective knowledge sharing.

- Improved maintainability and reliability through proactive bug fixes and coding best practices.

- Optimized performance via strategic tuning and iterative enhancements. E D U C A T I O N

Bachelor’s degree, Computer Science University of Dallas 2008 - 2012

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