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Juan Arrieta

Software Engineer

I'm a System Engineer with 5+ years of experience in backend and frontend projects. I specialize in developing web and mobile apps with modern technologies like .NET Core and Xamarin.

My focus is on optimizing web APIs and applying security standards to guarantee software quality and customer satisfaction. I am a professional oriented towards achieving objectives, maximizing performance within proactive teams through technical excellence and process optimization.

I love strategy video games, politics, chocolate, and pets.

Profile

Location: Maracaibo, Venezuela
Phone: +(58) 424 504 3227
Status: Available for projects
Juan Arrieta

Skills

Specialized in backend development with the .NET ecosystem and mobile solutions using Xamarin and MAUI. Expert in optimizing SQL queries and REST APIs for high-performance applications.
.NET / .NET Core, %
95
SQL Server, %
85
Xamarin / MAUI, %
80
Azure / Azure DevOps, %
85
Docker & Git, %
75
Python, %
50

Experience

2020–2022

Semi Senior Xamarin Developer - Logista (France)

Created accurate solutions based on requirements by the UI / UX team. Designed and implemented APIs to consume and sort large data lists. Developed new functionalities for the platform serving hundreds of international customers.
2016–2019

Junior Software Engineer - Telus (Romania)

Fine-tuned stored procedures & SQL queries for efficient data retrieval from 50K+ records accessed by 5k+ users. Increased performance by 20% by migrating code from .NET Framework to .NET Core.
2010–2015

Software Engineer (Freelancer) - KayienSoft

Designed and implemented hybrid computer systems (desktop/web) modernizing infrastructure. Implemented cloud-integrated database systems to replace manual record-keeping.
2015

Software Engineer Intern - UNEFA

Created a system for the management of university scholarships, allowing administrative staff to keep track of scholarship recipients' hours.

Key Achievements

+20% Performance

Increased app speed via .NET Core migration.

High Scale

Optimized SQL for 50K+ records & 5K+ users.

Awarded Engineer

IBM Finalist & COTATUR Award Winner.
View Credly Profile

Education

2010–2015

System Engineer

UNEFA, Venezuela
2006–2009

Technician in Informatics

IUTM, Venezuela

Portfolio

More Works