Programming Languages - Core Java - 14, 5, 6, 8,11 and 12, Kotlin - 17
Web Services Development - JAX-RPC, JAX-WS (SOAP11/SOAP12/WSDL) and JAX-RS
UI/UX Development -Java AWT, Java Swing and Eclipse SWT/RCP
Business Object Documents - OAGiS and NRF ARTS Model
Databases - MS SQL Server, MySQL, DB2, Sybase and Oracle
Data Interchange Formats - XML and JSON
Operating Systems - RHEL 7 and Windows 10
Scripting Languages - JavaScript, Bean Shell Script, XSLT and Unix-Shell Scripts
Software Configuration Management - Apache Ant, Apache Maven, CVS, SVN, GIT, Hudson, Jenkins CI/CD, SonarQube, GitLab, Bitbucket
Core Frameworks - Spring Boot, Spring Frameworks, Java POS, Java Communications API, Java Advanced Imaging API, Java Persistent API, etc
Project Methodologies - Standard SDLC - Waterfall, Agile - SCRUM and Iterative Development
Project Estimation Methodologies - Simple-Medium-Complex (SMC), Function Points Estimation (FPA) and Agile Story Points
Design Patterns - Gang Of Four (GoF) and Enterprise Integration Patterns (EIP)
Logging and Monitoring - Log4j, SLF4j, Logback, Nagios Alerts, Grafana, ELK/EFK
Message Queueing - IBM MQ, ActiveMQ, JBoss A-MQ and RabbitMQ
Testing Frameworks - JUnit and TestNG
Frequently Used Tools - IntelliJ IDE, Eclipse IDE, Visual Studio Code, SoapUI, Postman and Notepad, IBM MQ Explorer, Apache Directory Studio, Spring Tool Suite, Aqua Data Studio, Oracle SQL Developer, TOAD, Altova Mission Kit, Microsoft SharePoint, Atlassian JIRA, Atlassian Confluence, Atlassian FishEye and Crucible
No SQL - Couch DB, CouchBase, Apache Cassandra
Orchestration - Docker, Docker Trusted Registry (DTR), Docker Swarm and RedHat OpenShift
Observability - Kibana, Instana and DataDog
Confluent Kafka, Schema Registry and Avro Schema
Cloud Databases - DataStax Astra DB, AWS RDS (SQL Server)
API Development - OpenAPI 30x and Swagger 2
Security Vulnerability Scanners - Contrast, Harbor and Fortify
Caching - Redis, Memcached
Service Proxy - Nginx, Traefik EE
API Gateway - IBM API Connect (Enterprise Level)
Secrets Management - Hashicorp Vault