Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Sebastian Gastiazoro. I'm a software developer with over 20 years in the industry, focused on .NET and full-stack solutions. I enjoy turning complex requirements into reliable, scalable software and working closely with product, design and operations. I also hold a Bachelor's degree in Finance, which helps me connect technology decisions with business outcomes. I value clear communication, continuous learning, and delivering value to customers.…Hi, I'm Sebastian Gastiazoro. I'm a software developer with over 20 years in the industry, focused on .NET and full-stack solutions. I enjoy turning complex requirements into reliable, scalable software and working closely with product, design and operations. I also hold a Bachelor's degree in Finance, which helps me connect technology decisions with business outcomes. I value clear communication, continuous learning, and delivering value to customers.

Sebastian Gastiazoro

Full Stack Developer, Back-End Developer, Front-End Developer, +1





Hi, I'm Sebastian Gastiazoro. I'm a software developer with over 20 years in the industry, focused on .NET and full-stack solutions. I enjoy turning complex requirements into reliable, scalable software and working closely with product, design and operations. I also hold a Bachelor's degree in Finance, which helps me connect technology decisions with business outcomes. I value clear communication, continuous learning, and delivering value to customers.…Hi, I'm Sebastian Gastiazoro. I'm a software developer with over 20 years in the industry, focused on .NET and full-stack solutions. I enjoy turning complex requirements into reliable, scalable software and working closely with product, design and operations. I also hold a Bachelor's degree in Finance, which helps me connect technology decisions with business outcomes. I value clear communication, continuous learning, and delivering value to customers.

Available to hire

Hi, I’m Sebastian Gastiazoro. I’m a software developer with over 20 years in the industry, focused on .NET and full-stack solutions. I enjoy turning complex requirements into reliable, scalable software and working closely with product, design and operations.

I also hold a Bachelor’s degree in Finance, which helps me connect technology decisions with business outcomes. I value clear communication, continuous learning, and delivering value to customers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

German

Beginner

French

Beginner

Work Experience

Senior Software Developer at Hamilton Court Foreign Exchange

September 1, 2024 - October 27, 2025

Senior Software Developer on the Emporos TMS project; Angular frontend, .NET Core WebApi backend; Azure for database and service communication; Azure DevOps for development process.

Software Engineer at BME | Bolsas y Mercados Españoles

July 1, 2024 - July 1, 2024

Maintained APA (OTC transactions reporting) using Angular frontend and .NET WebApi; LED (Latam Exchanges Data) data integration project (discontinued) built as an ad hoc microservices application.

Software Developer at SGSE - Soluciones Globales de Seguridad Electrónica

July 1, 2021 - July 1, 2021

Hardware-to-software and software-to-software integrations, primarily with Milestone Systems platform. Integrated devices (Honeywell Galaxy, Tecnoalarm, Flir TRK 101, Planet VoIP). Carried out software-to-software integrations (Nedap to Milestone, Briefcam to Milestone).

Primary Technical Analyst at Esco Inversiones

June 1, 2018 - June 1, 2018

Worked as developer and analyst on the Esco Inversiones system; standalone web application for back office for Argentinian financial brokers; monolithic ASP.NET application with SQL Server.

Business Analyst at Cargill

August 1, 2017 - August 1, 2017

Treasury Transformation projects, upgrading CMM Suite for Treasuries in Brazil, Bolivia, Paraguay; designed technical solutions, migration tools, and interfaces (JDE-CMM, ACM-JDE); developed reports and coordinated integration testing and UAT.

Senior Software Developer and Functional Analyst at Globant

November 1, 2012 - November 1, 2012

Backend and frontend development using .NET 4, ASP.NET 4, C#; HTML, JavaScript; NHibernate; SQL Server 2008. Worked on the AON Phoenix project, providing quotation website functionality for the insurance sector.

Senior Software Developer at Itaú Unibanco

December 1, 2009 - December 1, 2009

Development and testing tasks on a financial software project; technologies included .NET 2.0, C++, HTML, JavaScript.

Senior Software Developer at Caja de Valores S.A.

April 1, 2009 - April 1, 2009

Development and testing using .NET 2.0, ASP.NET 2.0, C#; HTML; JavaScript; Oracle; PL/SQL.

Semi Senior Analyst at Accenture

February 1, 2008 - February 1, 2008

Design, development, support, testing and trainee training. Technologies: .NET 1.1, ASP.NET 1.1, C#; VB 6; HTML; JavaScript; XML; SQL Server 2005; Oracle. Projects included 'Sales and Marketing Toolkit' and 'Negocio.Net' for Telecom Personal.

Trainee Web Developer at Buffa Sistemas

December 1, 2005 - December 1, 2005

Development using .NET 1.1, ASP.NET 1.1, C#, VB.NET; HTML; JavaScript; SQL Server 2000/2005.