Senior Backend Engineer
Back-end Engineer
Available for hire
Years of
experience
15+ years
Experience
level
Senior
Available
for
Full-time, Contract
Senior Backend Engineer with more than 15 years of experience developing scalable enterprise solutions using Java, .NET and Golang technologies. Specialized in backend development, design and evolution of REST APIs, system integration, microservices architectures, batch/ETL processes, and modernization of legacy applications toward more scalable and maintainable environments. Experience working on highly complex technical projects for leading companies, participating in architecture decisions, functional discovery, process optimization, and production support in critical environments. Profile oriented toward technical ownership, problem solving and continuous improvement, combining solid technical skills with adaptability, collaborative work and effective communication. Currently focused on senior backend opportunities with growth toward technical leadership and software architecture.
Skills
Employment History
SENIOR BACKEND ENGINEER at
Quares IT Solutions
2023
-
2025
Development and maintenance of enterprise backend solutions using Java, Spring Boot, Hibernate/JPA and Oracle.
Participation in technology modernization processes, migrating applications from Java 8 to Java 17 and Java 21.
Refactoring and updating Spring Boot applications to improve maintainability, compatibility and deployment stability.
Design and development from scratch of a REST API in .NET 8 for integration with ZKTeco BioCVSecurity.
Development of microservices and asynchronous integrations through RabbitMQ, connecting internal systems with
external ERPs such as Tango and Finnegans.
Optimization of massive provider update processes, improving efficiency and operational traceability.
Implementation and maintenance of batch/ETL processes and background jobs using Hangfire.
Integration with external REST and SOAP/WCF services.
Participation in migration of enterprise applications to Microsoft Azure.
Technical design and backend development of workflow systems using Golang and MySQL.
Participation in technical meetings, functional discovery, documentation and project follow-up.
Key achievements
Technical owner of projects from technical definition through production release.
Active participation in platform modernization and scalability initiatives for enterprise systems.
Performance improvement and optimization of critical business processes.
BACKEND ENGINEER at
MercadoLibre
2020
-
2022
Development and maintenance of internal backend applications using Go and Java.
Support and evolution of high-availability production systems.
Participation in deployments using Fury on AWS infrastructure.
Implementation and support of canary releases and controlled deployment strategies.
Participation in code reviews, Pull Requests and technical documentation.
Collaborative work with teams focused on operational stability and continuous improvement.
Key achievements
Participation in highly demanding technical and operational environments.
Contribution to the stability and reliability of critical internal applications.
FULL STACK DEVELOPER SEMI SENIOR at
Lagash Systems
2014
-
2020
Development of enterprise applications using .NET, C#, ASP.NET, SQL Server and Oracle.
Participation in corporate projects for clients such as Tenaris, ISBAN and AABE.
Functional and technical discovery with users and stakeholders.
Full stack development using Angular and Knockout.js.
Implementation of integrations, reports and solutions oriented to internal processes.
Participation in the full development cycle, from analysis to production deployments.
Key achievements
Participation in large-scale enterprise projects.
Direct work with clients and functional areas for implementation of technology solutions.
FULL STACK DEVELOPER SEMI SENIOR at
Dogma Solutions
2009
-
2014
Development and maintenance of web and desktop applications using .NET technologies.
Participation in migrations from WinForms to web platforms.
Backend development for transactional systems with high data volumes.
Optimization of SQL Server queries, procedures and structures.
Implementation of synchronization processes between client-server systems.
FULL STACK DEVELOPER at
Accenture
2007
-
2009
Development and maintenance of internal applications using Microsoft technologies.
Participation in testing and QA processes for enterprise applications.
Development of internal tools using Visual Basic .NET and MS Access.
Participation in support, maintenance and evolution of internal platforms.
Education
Computer Science Degree at
Universidad Nacional de Lomas de Zamora
2007
-
2009
Application Development Programmer Analyst at
I.S.S.A. Instituto Superior San Agustín
2003
-
2006