About Rafael
English
Native or bilingual
Portuguese
Native or bilingual
German
Basic
Experience
- Ikano BankSenior Technical LeadJanuary 2025 - Today (1 year and 6 months)GermanyI’m a Full-Stack Developer specializing in credit card onboarding and instant loan solutions for the UK market, working in a distributed architecture of 100+ microservices. I build new features, fix bugs, and deploy across development, SIT, stage, and production environments.Backend: Java, Spring, Kafka, Camunda, Gradle, JUnit, ELK, RESTful APIs (Swagger), WebSocket, event-driven workflows.Frontend: React, UI/UX collaboration with Figma.Cloud & DevOps: AWS, Kubernetes, Jenkins, Git, IntelliJ, DBeaver, CI/CD with Git secret scan, dependency checks, Sonar analysis, Nexus, Docker image builds/scans, Grype vulnerability scans, CD pipeline automation.Project Tools: Confluence, Jira, Jira Align.Following Agile methodology, I engage in daily stand-ups, planning, retrospectives, demos, and cross-team alignment. I focus on delivering robust, scalable, and compliant financial solutions.Quality Assurance: Unit, automated, smoke, and regression tests to ensure stability and early detection of issues.Skills: Java · Spring · React · AWS · Kubernetes · Kafka · Jenkins · Docker · Nexus · Sonar · REST APIs · WebSocket · Figma · Git · Jira · CI/CD · PostgreSQL · Shell Script
- Erste GroupSenior Technical LeadJuly 2024 - December 2024 (5 months)GermanyI’m an HCL consultant currently leading the migration of three highly complex systems—Extractor, Indexer, and Vpoller—from C++ to Java at Erste Group. These systems handle bytes, memory management, file creation/reading, buffer operations, and database transactions (insert, delete, update, select). They are executed via shell scripts scheduled with Linux cron jobs.The migration also involves moving from Linux-based hosting to Google Cloud Platform, with Oracle and PostgreSQL databases for data management. I implement file compression using zlib and manage integration with the Alfa system.System workflows:Extractor: extracts container files and converts them into LIT files.Indexer: transforms LIT files into DAT files, archived by the Amw system.Vpoller: processes journals.log from Extractor and Indexer into journal LIT files for further processing.Key Technologies & Activities:Development: C++, Java, Spring Boot, Maven, Swagger, Oracle, PostgreSQL, Shell Script, Eclipse, IntelliJTesting: Postman, JUnit, Mockito, Integration TestingRelease Management: Jenkins, Sonar, Google CloudSecurity & Version Control: GitHub, BitbucketProject Tools: Jira, ConfluenceOther: zlib file compression, cron job scheduling, system integrationSkills: Java · C++ · Shell Script · Spring Boot · Maven · Swagger · Oracle · PostgreSQL · JUnit · Mockito · Jenkins · Sonar · GCP · GitHub · Bitbucket · Jira · Confluence
- INGSenior Technical LeadJanuary 2024 - June 2024 (5 months)GermanyI’m an HCL consultant at ING Bank, specializing in delivering loan solutions for Amazon sellers and SMEs. My role includes managing integrations with Amazon, Schufa, Experian, Crefo, Salesforce CRM, and Kafka, optimizing lending processes and enhancing operational efficiency.I handle production incident support, develop new features, and maintain ING microservices to ensure high availability and continuous improvement.Key Technologies & Activities:Development: Java, Spring Boot, Maven, Swagger, MySQL, PostgreSQL, Kafka, Eclipse, IntelliJTesting: Postman, JUnit, Mockito, Integration TestingRelease Management: Azure Pipelines, Sonar, Azure Cloud, Helm, Argo CD, DatadogVersion Control & Security: GitHub, secure coding practicesProject Tools: Azure Board, ConfluencePassionate about empowering businesses through robust and scalable financial solutions, ensuring seamless integrations and reliable loan processing.Skills: Java · Spring Boot · Maven · Swagger · MySQL · PostgreSQL · Kafka · Azure · Helm · Argo CD · Datadog · Jenkins · GitHub · Postman · JUnit · Mockito · Confluence
Recommendations
Be the first to recommend Rafael
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Computer Science degreeUNIP.Computer Science degree
- Perform Foundational Infrastructure TasksPerform Foundational Infrastructure Tasks