Iván López
@ivnlpez
Backend developer focused on scalable Java systems, PostgreSQL, and AWS automation.
ParaguayWhat I'm looking for
I am a backend developer with four years of experience designing and optimizing Java-based backend systems, specializing in Spring Boot, PostgreSQL, and AWS. I have led backend modernization efforts—migrating codebases from Java 8 to Java 17 and later to Java 21—introduced monitoring with Sentry, and implemented CI/CD pipelines with GitHub Actions to shorten release cycles and increase reliability.
I mentor junior developers, align technical solutions with organizational goals, and have contributed to platforms used by thousands of families across multiple countries. My work emphasizes maintainability, scalability, automated deployments, and measurable impact for NGOs and enterprise environments.
Experience
Work history, roles, and key accomplishments
Backend Developer
Fundación Paraguaya
Jan 2021 - Present (4 years 8 months)
Modernized and maintained backend services for a multi-country NGO platform, migrating Java 8 to Java 17/21, automating deployments and improving scalability to support thousands of families. Implemented CI/CD with GitHub Actions, PostgreSQL schema versioning with Liquibase, and monitoring with Sentry to reduce downtime and accelerate debugging.
Technical Lead
Fuelpar S.A.
Jan 2018 - Jan 2021 (3 years)
Led a two-person IT team to ensure 24/7 availability of critical accounting and administrative systems, implemented Sophos firewall for improved cybersecurity, and administered on-premise servers to reduce costs and improve reliability. Provided continuous support that cut issue resolution time by 40%.
Junior Developer
SRC Tech SRL
Jan 2017 - Jan 2018 (1 year)
Contributed to development of a web and backend livestock management system using Java 8 and PostgreSQL, implementing database structures and backend logic that improved traceability and reduced manual errors for clients.
Education
Degrees, certifications, and relevant coursework
Universidad de la Integración de las Américas
Bachelor of Science, Computer Engineering
2016 - 2024
Completed a B.Sc. in Computer Engineering with a thesis on a chatbot using LLMs to answer domain-specific queries.
Tech stack
Software and tools used professionally
Availability
Location
ParaguayAuthorized to work in
Job categories
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