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Hi, I'm Sebastian, a Full Stack Developer with 4+ years of experience building scalable, secure, and user-centric applications for international clients. I specialize in modern frontend frameworks like React, Vue, and Angular, and in robust backend development with .NET, Node.js, and SQL. I enjoy cloud deployments, CI/CD automation, and API integrations, and I take pride in improving development efficiency, performance, and product scalability. I'm recognized for leadership, adaptability, and delivering business-driven solutions in agile environments.…Hi, I'm Sebastian, a Full Stack Developer with 4+ years of experience building scalable, secure, and user-centric applications for international clients. I specialize in modern frontend frameworks like React, Vue, and Angular, and in robust backend development with .NET, Node.js, and SQL. I enjoy cloud deployments, CI/CD automation, and API integrations, and I take pride in improving development efficiency, performance, and product scalability. I'm recognized for leadership, adaptability, and delivering business-driven solutions in agile environments.

Sebastian Viveros

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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Hi, I'm Sebastian, a Full Stack Developer with 4+ years of experience building scalable, secure, and user-centric applications for international clients. I specialize in modern frontend frameworks like React, Vue, and Angular, and in robust backend development with .NET, Node.js, and SQL. I enjoy cloud deployments, CI/CD automation, and API integrations, and I take pride in improving development efficiency, performance, and product scalability. I'm recognized for leadership, adaptability, and delivering business-driven solutions in agile environments.…Hi, I'm Sebastian, a Full Stack Developer with 4+ years of experience building scalable, secure, and user-centric applications for international clients. I specialize in modern frontend frameworks like React, Vue, and Angular, and in robust backend development with .NET, Node.js, and SQL. I enjoy cloud deployments, CI/CD automation, and API integrations, and I take pride in improving development efficiency, performance, and product scalability. I'm recognized for leadership, adaptability, and delivering business-driven solutions in agile environments.

Available to hire

Hi, I’m Sebastian, a Full Stack Developer with 4+ years of experience building scalable, secure, and user-centric applications for international clients. I specialize in modern frontend frameworks like React, Vue, and Angular, and in robust backend development with .NET, Node.js, and SQL.

I enjoy cloud deployments, CI/CD automation, and API integrations, and I take pride in improving development efficiency, performance, and product scalability. I’m recognized for leadership, adaptability, and delivering business-driven solutions in agile environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Software Engineer at Credicorp Capital S.A.

March 1, 2025 - March 1, 2025

Created and led the Design System, enabling 55% faster development per sprint with reusable components. Enhanced product interactivity by 50% using Vue 3, Vite, Bootstrap, and Storybook. Automated deployments and improved security compliance with Azure DevOps and SonarCloud. Developed and maintained REST APIs with Node.js and SQL Server, including robust exception handling.

Full Stack Developer at Amantium S.A.S

March 1, 2025 - October 29, 2025

Led the end-to-end development of a vehicle claims management portal, coordinating frontend, backend, integrations, and testing in an agile environment. Implemented Angular 18 with PrimeNG and Bootstrap to deliver accessible, responsive UI; built scalable backend services with Node.js, Express, and Oracle SQL to optimize performance and data processing. Established CI/CD pipelines with GitLab and Azure DevOps to enable frequent automated deployments.

Frontend Developer (Contractor) at Multi Media LLC

September 1, 2023 - September 1, 2023

Delivered new features and fixed 10–15 bugs per week in a social media promotions platform using React, Next.js, and .NET. Improved reliability through Jest unit testing and CI/CD automation. Integrated third-party APIs and adapted .NET services to evolving business needs.

Frontend Developer at Teleperformance S.A.S.

September 1, 2022 - September 1, 2022

Developed an AI-driven document analysis application leveraging AWS AI services. Built micro frontends with Angular and React to enable modular, scalable UI with shared state.

Software Engineer at Grupo Digital

March 1, 2022 - March 1, 2022

Developed a RESTful API for biometric authentication using .NET Core 6.0 (MVC, Entity Framework, LINQ). Implemented WebSocket for bidirectional communication between React.js and .NET, applying the Observer pattern for a robust, event-driven architecture.

Software Engineer at BofuGroup

September 1, 2021 - September 1, 2021

Built RESTful APIs with C#, .NET Core 6.0, Entity Framework, LINQ and SQL databases. Developed scalable backend services and integrated data workflows to ensure efficient communication with frontend React components.