Raffael Tancman
Software Engineer at Jusbrasil
Santa Catarina, Brazil
Summary
🤩
Rockstar🎓
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.
12 years of coding experience
17 years of employment as a software developer
Programa Nanodegree Desenvolvedor React, Information Technology, Programa Nanodegree Desenvolvedor React, Information Technology at UdacitySISTEMA DE INFORMAÇÃO, Madureira, SISTEMA DE INFORMAÇÃO, Madureira at UNIVERCIDADE da CidadeTécnico de Informática, Técnico de Informática, Técnico de Informática, Técnico de Informática at Colégio 1º de Maio
English, Portuguese
Stackoverflow
36reputation
2kreached
1answer
0questions
Github Skills (16)
amazon-elasticsearch10
elasticsearch10
rest-api10
elasticsearchquery10
aws-elasticsearch10
elasticsearch-api10
scala10
testing9
querying9
tokenizer9
tokenize9
circe8
http8
reactive-streams7
java6
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.
elasticsearchhttp-clientnon-blockingscalatypesafe
rtancman/docker-symfony
Oct 2015 - Sep 2016
Contributions:27 commits, 1 PR, 34 pushes in 10 months
phpsymfonydocker-imagedocker
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.