Title: Technical Lead-App Development
Area(s) of responsibility
Technology stack that is in scope and not just limited to these. Any open source or containers are the th scope.
Core Java / Runtime
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OpenJDK — open-source Java Development Kit
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Eclipse Temurin — OpenJDK builds from Adoptium
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Apache Maven — build and dependency management
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Gradle — build automation tool
Web / Application Frameworks
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Spring Framework
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Spring Boot
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Jakarta EE (specification; implementations include open-source servers)
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Quarkus
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Micronaut
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Apache Struts (legacy)
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JSF implementations like Mojarra (reference implementation)
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Vaadin Framework (community/open-source parts)
Persistence / ORM / Data Access
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Hibernate ORM
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JPA implementations
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MyBatis
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Spring Data
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jOOQ
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Apache Commons DBUtils
Databases
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PostgreSQL
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MySQL Community Edition
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MariaDB
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H2 Database
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Apache Derby
Messaging / Streaming
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Apache Kafka
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RabbitMQ
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Apache ActiveMQ
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Apache Pulsar
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JMS implementations
Caching / In-Memory Data
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Redis (open-source core)
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Hazelcast
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Ehcache
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Caffeine
Security / Auth
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Spring Security
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Keycloak
Skills with M/O flag are part of Specialization