Leyla Gallo
Leyla Gallo

Backend Developer and Security Analyst

Actively looking · Member since 8 Sep 2026
Message
Location
San Miguel de Tucumán, Argentina
Desired salary
1800–2500 USD/monthly
Work preference
Remote Only
Experience level
Mid

About

Professional summary

I am a Backend Developer and Security Analyst with experience building scalable REST APIs and secure, high-performance backend systems. I focus on clean architecture, reliable data persistence, and reducing latency in high-demand applications.

I work with Node.js, Express, C#/.NET, Python, and JavaScript to deliver maintainable backend solutions across the software development lifecycle. I have practical experience implementing authentication and authorization using JWT and role-based access control.

I administer and optimize relational databases, particularly PostgreSQL and MySQL. My work includes relational schema modeling, advanced indexing strategies, query tuning, schema migrations, and data integrity validation.

I use Docker and Docker Compose to standardize multi-container development and testing environments. I also use Git-based workflows, CI/CD practices, API documentation, debugging, and testing to improve delivery quality.

I am currently expanding my cybersecurity expertise through a Bachelor's degree in Cyberdefense. I bring a security-oriented mindset to backend development, including risk assessment, secure coding practices, and access control design.

Skills

21 capabilities

Tech stack & tools

Working toolkit

Experience

Career history

Backend Developer Municipality of Yerba Buena

I designed and developed backend architectures based on REST APIs using Node.js and C#/.NET for public management systems. My work improved response times for critical endpoints by 20%.

I administered and optimized PostgreSQL and MySQL databases through schema modeling, advanced indexing, and query tuning. I standardized multi-container development and testing environments with Docker and Docker Compose, implemented JWT and RBAC security, and documented APIs with Swagger and Postman.

Education

Learning history

Facultad de la Defensa Nacional (FADENA)

Bachelor's Degree, Cyberdefense

Currently pursuing a degree in Cyberdefense through remote study.

IES Instituto Superior Alfredo Coviello

Higher Technical Degree, Software Development

Completed higher technical education in Software Development.

Programa Codo a Codo

Specialization, Full Stack Python

Completed a Full Stack Python specialization program.

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