Work Experience

12+ years building distributed systems at scale

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Mar 2022 - Present

Staff Software Engineer

eBay · Berlin, Germany
  • Lead technical ownership of projects from design through delivery for global eBay platform serving hundreds of millions of users
  • Led international friction reduction initiatives including Request Shipping, Educational Banner for sellers, Freight Forwarding, and Contact Seller features
  • Serve as domain lead for 6 inherited AU applications, managing SLOs, production errors, and system maintenance
  • Extensively leverage AI tools (Claude, ChatGPT, GitHub Copilot) for code generation, architecture discussions, and code reviews (75%+ AI-augmented workflow)
  • Mentor backend engineers on technical skills and best practices
Java 17+ Spring Boot Scala Kotlin GraphQL Kafka Kubernetes
Nov 2018 - Mar 2022

Senior Software Engineer

eBay · Berlin, Germany
  • Led technical design and implementation of fraud mitigation system for Rewards platform, protecting millions of users across Europe
  • Co-led development of Rewards Admin Tool, enabling scalable campaign management across eBay Punkte, seller rewards, and buyer rewards programs
  • Built and maintained microservices for European Rewards platform using Scala and Java
  • Contributed to global eBay initiatives including payments, shopping cart, and checkout experiences
Scala Java Microservices
May 2017 - Nov 2018

Software Engineer

Zalando · Berlin, Germany
  • Backend engineer on Collabary, a fast-scaling intrapreneur project
  • Designed pragmatic systems and processes for rapid growth
  • Built microservices using Java 8, Spring Boot, NodeJS, and ExpressJS
  • Deployed services on AWS infrastructure using Docker
Java 8 Spring Boot NodeJS AWS Docker
Mar 2015 - Apr 2017

Senior Software Engineer

Prodigious Latin America · Bogotá, Colombia
  • Backend engineer and technical referent for Hewlett Packard, USANA, and Renault-Nissan projects
  • Developed enterprise solutions using Java, Adobe Experience Manager, and Apache Sling
  • Collaborated with large international teams across US and Latin America
Aug 2013 - Dec 2014

CTO & Full Stack Developer

Aentropico SAS · Bogotá, Colombia
  • Technical leader and architect for predictive analytics platform using machine learning
  • Built backend systems using Scala, Akka, Spark, NodeJS, and R
  • Designed REST APIs, NoSQL databases (MongoDB), and frontend applications
  • Managed infrastructure on AWS, Docker, and Heroku with OAuth 2.0 security
Scala Akka Spark Machine Learning

Technical Skills

AI & ML

LLM integration, prompt engineering, AI-augmented development with Claude, ChatGPT, GitHub Copilot

Languages

Java (expert), Scala (expert), Kotlin, JavaScript, TypeScript

Frameworks

Spring Boot, ZIO, Scalaz, Vavr, NodeJS, ExpressJS

APIs

REST, GraphQL, SOAP

Databases

Oracle, MongoDB, PostgreSQL, MySQL, Redis, NuDB

Infrastructure

Kubernetes, Docker, AWS, Kafka, event-driven architectures