Sergio (Rangel) A.
Fullstack Developer
Experience
Feb 2023 - Present
2 years 9 monthsFullstack Developer
BusinessOne
- Developed a base application with shared core functionalities, enabling the team to build four web applications simultaneously with a small development team.
- Leveraged the latest .NET technologies to implement efficient and modern solutions.
- Applied Domain Driven Design (DDD) to achieve greater code organization and reusability, optimizing development time.
- Implemented unit testing to enhance code stability and reliability.
- Three of the four applications are currently live in production.
- Technologies: C#, .NET Core, Blazor, Entity Framework, SQL Server, MudBlazor, Bootstrap
Jan 2018 - Nov 2022
4 years 11 monthsMobile Application Developer
GSoft Innovation
- Designed and developed multiple cross-platform mobile apps for Android and iOS using Flutter.
- Designed CI/CD pipelines to automate deployment and reduce delivery time.
- Applied Domain Driven Design (DDD) to improve code structure, maintainability, and efficiency.
- Implemented unit tests to increase system reliability.
- Technologies: Flutter, Dart, Bloc, Firebase, Google Maps API, GraphQL, RESTful API, Material UI, Kotlin, Swift
Oct 2017 - Nov 2018
1 year 2 months Lorem ipsum dolor sit amet
Consol Freight LLC
- Developed a web application to optimize maritime cargo transport routes using Dijkstra’s algorithm.
- Achieved 90% unit test coverage, resulting in a robust and reliable solution currently in use.
- Technologies: React, .NET, JavaScript, C#, RESTful API, Redux
Summary
I am a Computer Scientist with over six years of experience in web and mobile application development. I apply the most up-to-date techniques in both fields and am passionate about programming and best practices. I have hands-on experience with programming languages such as C#, Dart, JavaScript, and Python, and frameworks such as .NET, Flutter, React, and React Native. I am a fast learner, hard-working, and experienced in time management and teamwork, with strong interpersonal and professional communication skills.
Languages
Spanish
NativeEnglish
AdvancedEducation
University of Havana
Bachelor’s Degree · Computer Science · Havana, Cuba
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