Sebastian Gutierrez Perez
Sebastian Gutierrez Perez

Full Stack Software Developer

Actively looking · Member since 1 Oct 2026
Location
Palmira, Colombia
Desired salary
Confidential
Work preference
Remote Only / Full Time, Part Time, Contract, Freelance, Volunteer, Internship, Temporary
Experience level
Mid

About

Professional summary

I am a Full Stack Software Developer with more than four years of experience designing, building, and deploying scalable web applications. I work across backend and frontend development, with a focus on delivering reliable solutions from initial requirements through production deployment.

I build backend services and RESTful APIs using Node.js, Express.js, C#, .NET Core, ASP.NET, and Entity Framework Core. I apply Clean Architecture, SOLID principles, dependency injection, design patterns, API security practices, and unit testing to create maintainable systems.

On the frontend, I develop responsive and dynamic applications with Angular, TypeScript, JavaScript, React, HTML5, and CSS3. I have experience with modular components, reactive forms, client-side data management, authentication, and authorization integrations.

I work with relational and non-relational databases including SQL Server, PostgreSQL, and MongoDB. My experience includes data modeling, query optimization, schema migrations, and supporting database operations across development, testing, and production environments.

I also integrate generative AI APIs, virtual assistants, and RAG workflows to automate business processes and improve data processing. I am comfortable collaborating in agile, cross-functional teams and using Docker, CI/CD pipelines, Azure, Git, and GitHub throughout the software development lifecycle.

Notice period: 1 day

Skills

18 capabilities

Tech stack & tools

Working toolkit

Experience

Career history

Software Developer PCA Ingenieria

I integrated generative AI APIs, virtual assistants, and RAG workflows to automate business processes and optimize data processing. I architected and developed backend services from scratch with Node.js and Express.js, creating scalable RESTful APIs guided by Clean Architecture principles.

I developed responsive Angular applications using TypeScript, reactive forms, modular components, and client-side data management. I also maintained microservices with Docker, SQL Server, and PostgreSQL, optimized database operations, and collaborated with development and architecture teams from requirements analysis through production deployment.

Technology Analyst BIA Solutions

I developed and maintained secure RESTful APIs using .NET and Entity Framework Core. I automated database schema migrations across development, testing, and production environments and worked with SQL Server for relational data modeling and queries.

I built web features with Angular, TypeScript, and JavaScript, integrating backend endpoints and implementing authentication and authorization mechanisms. I also incorporated AI and generative AI capabilities into backend services, followed version-control standards, and participated in CI/CD pipeline routines.

Education

Learning history

National University of Colombia

Bachelor's Degree in Engineering, Agroindustrial Engineering

Antioquia University

Diploma, Software Development – Web Development

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