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Backend Software Developer - 21581 Outstaffing
- Selbstmotivierter Java-Entwickler mit zwei Jahren Erfahrung in der Entwicklung von Microservice-Architekturen.
- Gute Erfahrung im Füllen einer Datenbank mit Validierung und Datendeduplizierung haben.
- Erfahrung im Schutz von Servern mit JWT mit dem Schreiben eigener Implementierungen von Filtern, Anbietern und Handlern
einschließlich Anpassung des Rollenmodells für jeden Endpunkt separat. Diese Erfahrung umfasst das Einrichten von LDAP.
- Erfahrung in der Abdeckung von Controllern mit einem Swagger, der den Serversicherheitszugriff auf jeden Controller widerspiegelt, einschließlich
Rollen für jeden Endpunkt.
- Gute Kenntnisse in Liquibase-Migrationen, sowohl mit Plugins als auch manuell mit einer Beschreibung von Rollbacks.
- Hervorragende analytische Fähigkeiten, nachgewiesene Fähigkeit, Probleme zu untersuchen, Ursachenanalysen durchzuführen und zu meistern
neue Tools/Frameworks schnell.
Professionelle Fähigkeiten:
Programmiersprachen
Java, JPQL
Rahmen
Spring, Spring Data, Spring Boot, Spring Security, Spring MVC, Log4j, Mockito, Entität
Objekt orientierte Programmierung
SOLIDE
Bibliotheken
Lombok, überwintern
Protokoll
Rest-API, JDBC, LDAP
Datenbanken
MySQL, PostgreSQL
Technologien
iOS/Android-Multithreading
Quellcodeverwaltung
Git
Software
Liquibase
Werkzeugkasten
Stolzieren
Bug-Tracking-System
Jira
Entwicklungswerkzeuge
Bitbucket, GitHub
Plattformen
Docker, RabbitMQ
Virtualisierung
Docker Compose
API
JPA, JPA, Stream-API
Team Size: 5 developers
Project Role: Java Developer,
Stack: Java, Liquibase, SpringDoc, OpenAPI UI, business model management
Project Description:Health care system
Tasks Performed:
Resource accesssupport based on a role matrix
Implementation of MapStructwith nested objects and validation of transferred fields
Implementation and support of SpringDoc OpenAPI UI in the project
Management of business modelcreation and updating and report generation based on available data
Team Size: Developers 4;
Project Role: Regular Java Developer, Liquibase, Swagger, enriching process
Project Description: Iwork simultaneously on 2 projects- an auction managementsystem and a fraud detection
system for a large European bank.
Tasks Performed:
- Implemented authentication
- Integrated JWT technology
- Custom JWT validationwith filters, providers, and handlers of result
- Configured LDAP(Active Directory)
- Customized/Universalized exception hendling
- Support for Liquidbase migrations using the XML standardwith a description of rollbacks and static filling of
tableswhen they are created
- Covered the projectwith swaggerwith a detailed description of thework of endpoints and each parameter,
reflecting serversecurity accessto each controller, including rolesto each endpoint
- Introduced Minio file storage into the project
- Set up a flexible searchwith filtering, including nested objects using JPA Specification
- Configured friendly exception handlingwith exact list of request errorsfor response to Frontend
- Database enrichingwith validation and deduplication
- Microservice for logging the status of the enrichin process
- XLSX file parsing
- Subscribing to object updatesfor further email notification of itschanges
- Set up service communication using RabbitMQ Refactoring individual parts ofservicesto a Stream API.
Team Size: Developers 6;
Project Role: Java Developer
Project Description: I divided the project into microservices,supported migrations, described own Spring Security
implementation.
Tasks Performed:
- Implemented authentication
- Integrated JWT technology
- Introduced custom implementation of JWT validationwith filters, providers, and result handlers.
- Added a Liquibase migration based on SQL scriptsto create a database structure
- Businesslogicwas described in serviceswith Rest access by roles
- Divided the project into microserviceswith restcommunication between them
Team Size: Developers 5;
Project Role: Java Developer
Project Description: Online theatrewith real-time actingwith the possibility of voting by the audience to change
the next production for the actors.
Tasks Performed:
- Writing automated testswith Mockito
- REST API