Full Stack .NET Developer with API & DB Expertise

Antonio Ignacio Espino Pérez

Full Stack .NET Developer API & Database Development

Ingeniero en Sistemas Computacionales

Universidad Politécnica de Querétaro 2013-2017

TECHNICAL SKILLS

Programing Languages

C#, ASP.NET MVC, SQL, JavaScript, Python

Backend Development

ASP.NET Core, REST APIs, JWT, OAuth 2.0, Oracle REST Data Frontend Development

HTML5, CSS, JavaScript

Database Technologies

HTML5, CSS, JavaScript

Tools/Metodologies

Git, GitHub, Azure DevOps, Jira, Agile, Scrum, Postman, Swagger, OpenAPI EXPERIENCE

Códice Global (CodexTec) Feb 2025-A la fecha

DBA Back End

• Designed and administered Oracle database schemas, implementing relational modeling and data normalization to ensure data integrity and scalability.

• Developed RESTful APIs using Oracle ORDS, exposing database services to backend and client applications.

• Implemented business logic using PL/SQL procedures and functions to support application workflows.

• Optimized SQL queries and database performance, improving efficiency in data retrieval and processing.

TADÁ Sep 2020-Nov 2024

Full Stack.NET Developer

• Designed and developed RESTful APIs using ASP.NET Core and C#, enabling communication between frontend applications and backend systems.

• Implemented data access layers using Entity Framework and ADO.NET with SQL Server.

• Integrated external partner services using REST APIs secured with JWT and OAuth2.

• Developed internal APIs to expose company services and data for client applications.

• Implemented integrations with both REST and SOAP services depending on partner requirements.

• Designed and optimized SQL Server database structures and queries.

• Developed a recruitment management application (job board) integrated with the company's Human Resources system, automatically incorporating hired candidates into the organizational structure. Libertad Servicios Financieros May 2018-Sep 2020 Server Administrator

• Managed user profiles and system permissions using internal administrative platforms.

• Performed server administration tasks and operational monitoring through internal systems and command-line tools.

• Executed periodic data backups to ensure system availability and data protection.

• Provided technical support and maintenance for ATM equipment, including on-site troubleshooting when required.

• Trained and onboarded five new team members, guiding them through operational procedures across the three work shifts and explaining system processes used during 24-hour operations.

PROFESSIONAL SUMMARY

Full Stack .NET Developer with 5+

years of experience building

backend services, RESTful APIs

and enterprise applications using

C#, ASP.NET Core and SQL

Server. Experienced in system

integrations, API design and

database architecture, including

authentication mechanisms such as

JWT and OAuth2. Strong

background in database

development with Oracle and

PL/SQL, as well as mentoring

developers and collaborating with

cross-functional teams to deliver

scalable software solutions.

PROFESSIONAL DEVELOPMENT

Angular and Docker development

2025 Udemy

UI/UX Design Principle learning

2026 Udemy

CONTACT

Phone: 442-***-****

Email:

*******.*******.******@*****.***

https://www.linkedin.com/in/antonio

-ignacio-espino-7b0435324

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