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Maryangeles ContrerasMC
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Maryangeles Contreras

@maryangelescontreras

Backend developer at 735 who cut endpoint response times by 70% and automated workflows with Claude and Gemini.

Venezuela
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At 735, I used Python and FastAPI to reduce endpoint response times by 70%. I also improved PostgreSQL query latency by 20% and integrated Claude and Gemini into workflows, saving eight hours of manual work each week.

At AHVA GLOBAL, I delivered nine business modules for PLANEX — Plan Exportador, PROMPERÚ, in a .NET 8 and C# system. I contributed to a REST API with more than 600 endpoints and reduced production incident diagnosis time by 60% with structured logging and centralized middleware.

Earlier, at Guacamayo Marketing Solutions, I developed SEO-optimized interfaces that increased organic traffic by 10%. During my web development internship at Gobernación del Estado Táchira, I helped make institutional information accessible through web platforms.

Experience

Work history, roles, and key accomplishments

AG

Desarrolladora Full Stack .NET

AHVA GLOBAL

May 2026 - Sep 2026 (4 months)

Delivered 9 business modules for the Plan Exportador system to production for 3 user profiles, developing REST API in .NET 8 / C# and frontend with ASP.NET Core Razor Pages, jQuery, and Bootstrap 5. Reduced error diagnosis time by 60% through structured logging and centralized exception handling.

GS

Desarrolladora Web

Guacamayo Marketing Solutions

Mar 2025 - Jun 2025 (3 months)

Increased organic traffic by 10% through SEO-optimized interfaces and improved user retention by 20% through UX/UI principles and responsive design.

GT

Desarrolladora Web (Pasantía)

Gobernación del Estado Táchira

Sep 2024 - Nov 2024 (2 months)

Facilitated access to institutional information for over 100 monthly users by developing accessible web platforms.

Education

Degrees, certifications, and relevant coursework

UA

Universidad Bicentenaria de Aragua

Ingeniería de Sistemas, Systems Engineering

Completed a degree in Systems Engineering in 2025.

UA

Universidad Bicentenaria de Aragua

Diplomado de Postgrado en Gestión de Proyectos, Project Management

Completed a postgraduate diploma in Project Management in 2025.

IC

Ingeniería Digital C.A.

Diplomado de Programación, Programming

Completed a programming diploma with 280 hours of study in 2024.

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