Felipe Zambrin
Software Engineer at WEX
Paraná, Brazil
Summary
🤩
Rockstar🎓
Top SchoolFelipe Zambrin is a seasoned software engineer with 11 years of experience building resilient, data-intensive backend systems and SaaS products, currently focused on Java-based microservices for EV platforms. He combines hands-on development in Java 11/17/21, Spring, Kafka and PostgreSQL with cloud-native practices using Kubernetes, ArgoCD, Terraform and GitOps to deliver observable, scalable services. Felipe has led technical projects end-to-end, conducting architecture decisions, code reviews, and mentoring while bridging customer needs and implementation. An early BI analyst, he brings strong data instincts and SQL expertise to optimize systems and databases. He is also an active open-source contributor, improving Elasticsearch embedding removal capabilities in the langchain4j Java library—demonstrating practical experience with vector-store integrations. Based in Paraná, Brazil, Felipe blends pragmatic engineering with a track record of operational excellence across enterprise and startup contexts.
11 years of coding experience
4 years of employment as a software developer
Bachelor of Engineering - BE Civil Engineering, Bachelor of Engineering - BE Civil Engineering at UEL - Universidade Estadual de LondrinaNorth Paraná University
English, Portuguese
Github Skills (11)
elasticsearch-api10
javas10
elasticsearch10
elasticsearchquery10
junit10
aws-elasticsearch10
java10
jtest10
amazon-elasticsearch10
langchain9
vector-database9
Programming languages (4)
Github contributions (5)
langchain4j/langchain4j
May 2024 - Feb 2025
Java version of LangChain
Role in this project:
Backend Developer
Backend DeveloperContributions:36 reviews, 7 PRs, 60 comments in 9 months
Contributions summary:Felipe primarily contributed to the implementation of Elasticsearch embedding removal methods within the `langchain4j` Java library. These methods include `remove(String id)`, `removeAll(Collection<String> ids)`, `removeAll(Filter filter)`, and `removeAll()`, enhancing the functionality of the ElasticsearchEmbeddingStore. The changes involve adding these removal capabilities and associated tests to the `ElasticsearchEmbeddingStoreRemoveIT.java` file. The contributions focus on improving the data management capabilities of the embedding store, aligning with the project's focus on LangChain and vector databases.
anthropicchatgptchromaembeddingsgemini
zambrinf/simple-task-timer
Oct 2023 - Mar 2025
A CLI tool for keeping track of your tasks without leaving the terminal
Contributions:1 release, 14 PRs, 19 pushes in 1 year 4 months
clirusttask-managertimer
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