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I am a self-taught Full Stack Developer with 4+ years of professional experience building and maintaining web applications in production environments. I specialize in .NET Core, Angular, and SQL Server, with strong experience working on complex business systems, developing modules from scratch, fixing critical legacy bugs, integrating external APIs, and maintaining legacy systems. I am problem-solving oriented, focused on delivering stable, maintainable, and scalable solutions. I enjoy providing technical leadership and coordinating development tasks to drive projects forward.…I am a self-taught Full Stack Developer with 4+ years of professional experience building and maintaining web applications in production environments. I specialize in .NET Core, Angular, and SQL Server, with strong experience working on complex business systems, developing modules from scratch, fixing critical legacy bugs, integrating external APIs, and maintaining legacy systems. I am problem-solving oriented, focused on delivering stable, maintainable, and scalable solutions. I enjoy providing technical leadership and coordinating development tasks to drive projects forward.

Otriel Luciano Cianni Serrano

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

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I am a self-taught Full Stack Developer with 4+ years of professional experience building and maintaining web applications in production environments. I specialize in .NET Core, Angular, and SQL Server, with strong experience working on complex business systems, developing modules from scratch, fixing critical legacy bugs, integrating external APIs, and maintaining legacy systems. I am problem-solving oriented, focused on delivering stable, maintainable, and scalable solutions. I enjoy providing technical leadership and coordinating development tasks to drive projects forward.…I am a self-taught Full Stack Developer with 4+ years of professional experience building and maintaining web applications in production environments. I specialize in .NET Core, Angular, and SQL Server, with strong experience working on complex business systems, developing modules from scratch, fixing critical legacy bugs, integrating external APIs, and maintaining legacy systems. I am problem-solving oriented, focused on delivering stable, maintainable, and scalable solutions. I enjoy providing technical leadership and coordinating development tasks to drive projects forward.

Available to hire

I am a self-taught Full Stack Developer with 4+ years of professional experience building and maintaining web applications in production environments. I specialize in .NET Core, Angular, and SQL Server, with strong experience working on complex business systems, developing modules from scratch, fixing critical legacy bugs, integrating external APIs, and maintaining legacy systems.

I am problem-solving oriented, focused on delivering stable, maintainable, and scalable solutions. I enjoy providing technical leadership and coordinating development tasks to drive projects forward.

Skills

Experience Level

Expert

Expert

Beginner

Beginner

Beginner

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Senior / Semi-Senior Full Stack .NET Developer at MangooDev SRL

May 31, 2023 - January 18, 2026

Developed full modules from scratch for systems with complex business and mathematical logic. Maintained and evolved production web applications. Fixed critical legacy bugs, improving system stability and performance. Integrated external APIs and legacy systems. Optimized SQL Server queries, stored procedures, and database logic. Participated in technical decision-making and task coordination as Team Lead. Technologies: .NET Core · C# · Angular · TypeScript · SQL Server

Full Stack .NET Developer at WB Sistemas SRL

June 1, 2021 - June 1, 2023

Maintained existing applications and developed new features. Resolved production incidents and critical bugs. Developed a new module within the system. Integrated external APIs. Worked with SQL Server and backend business logic. Technologies: .NET Core · C# · Angular · TypeScript · SQL Server