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Federico Antonio Acosta

@federicoantonioacost

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Ssr. Backend Engineer · Java · Kotlin · Spring Boot · Microservices · Fintech

Argentina

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What I'm looking for

Backend Engineer / Software Engineer role (Mid-Senior level), remote, full time.

Software Engineer with 3 years of experience in fintech. I build and run Java and Spring Boot microservices in production for multi-tenant, multi-provider investment and credit services. I own services end to end, from design to production monitoring (Kibana, Grafana, Zipkin), and apply resilience patterns with Resilience4j. I also integrate new microservices with a legacy Smalltalk core monolith. University Technician in Computer Programming (UNQ), currently completing a Bachelor’s in Computer Science. Fluent English.

Experience

Work history, roles, and key accomplishments

Current

Ssr.Software Developer

Current

Openpass

Feb 2026 - Present (8 months)

Led end-to-end delivery of the Investment microservice in Java and Spring Boot, integrating multiple financial providers for Mutual Fund subscriptions and redemptions. Integrated with the core Smalltalk monolith and monitored production health using Kibana and Grafana.

Java Spring Boot Smalltalk Kibana Grafana Resilience4j Zipkin Microservices Distributed Systems

Current

Teaching Assistant - Object-Oriented Programming III

Current

National University of Quilmes

Jul 2024 - Present (2 years 3 months)

Teach type systems, metaprogramming, object-oriented design, and testing practices to undergraduate students.

Object Oriented Programming Type Safety Metaprogramming Testing

Jr.Software Developer

Openpass

Jan 2024 - Feb 2026 (2 years 1 month)

Refactored the Credit module by decoupling provider integrations into independent functionalities such as loan requests and payments.

Java Spring Boot Refactoring Credit Systems

Education

Degrees, certifications, and relevant coursework

National University of Quilmes

Bachelor's Degree, Computer Science

2020 -

Currently pursuing a Bachelor's degree in Computer Science, expected to complete in the future.

National University of Quilmes

University Technician, Computer Programming

2020 - 2025

Grade: 8.17

Completed a University Technician in Computer Programming with a solid foundation in software development, including data structures, databases, and systems design. Grade average: 8.17.