Raffael Tancman
Technical Lead at Jusbrasil
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolRaffael Tancman is a Technical Lead and polyglot developer with 12 years of experience building search and web platforms across Brazil, currently leading search engineering at Jusbrasil. He specializes in information retrieval, Learning to Rank, Elasticsearch and Scala, and couples that expertise with hands-on work in Spark, Kafka, Go, Python and cloud-native systems on Google Cloud and Kubernetes. As an active open-source contributor, he has improved elastic4s (a popular Scala Elasticsearch client) by adding token filter parameters and upgrading compatibility with newer Elasticsearch versions. Raffael blends backend search engineering with full-stack skills in React/Next.js and TypeScript, enabling end-to-end delivery of search features and ranking pipelines. Colocated between Rio and Santa Catarina, he brings a pragmatic leadership style shaped by product-driven roles at major Brazilian tech companies. Outside work he’s a gamer and avid surfer, which he credits for keeping his focus and creativity sharp.
11 years of coding experience
15 years of employment as a software developer
Programa Nanodegree Desenvolvedor React Tecnologia da Informação, Programa Nanodegree Desenvolvedor React Tecnologia da Informação at UdacitySoftware Developer Madureira, Software Developer Madureira at UNIVERCIDADE da CidadeComputer technician IT, Computer technician IT at Colégio 1º de Maio
English, Portuguese
Stackoverflow
36reputation
2kreached
1answer
0questions
Github Skills (16)
scala10
amazon-elasticsearch10
elasticsearch10
rest-api10
elasticsearchquery10
aws-elasticsearch10
elasticsearch-api10
testing9
querying9
tokenizer9
tokenize9
circe8
http8
reactive-streams7
spring-data-elasticsearch6
Programming languages (9)
Github contributions (5)
Philippus/elastic4s
Mar 2022 - Dec 2022
🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 7 commits, 6 PRs in 9 months
Contributions summary:Raffael primarily contributed to the `elastic4s` project, a Scala client for Elasticsearch. Their work focused on enhancing token filters, including adding new parameters to the `WordDelimiterGraphTokenFilter` and `WordDelimiterTokenFilter`. They also added parameters to the `AnnotatedTextField` and `QueryStringQuery` and upgraded the project to support newer Elasticsearch versions. Their contributions included adapting code to address breaking changes and adding functionality to existing components.
non-blockingcircehttp-clientreactive-streamstype-safe
pythonbnu/pythonbnu.github.io
Aug 2017 - Jan 2023
Este repositório contém o site da comunidade PythonBlumenau. Sinta-se livre para forkar e colaborar \o/
Contributions:2 reviews, 71 commits, 12 PRs in 5 years 6 months
pythonlivreriocomunidadepython3
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