5+ years experience
Must Have:- Java 8 / Java 11- Spring Boot, Micro Servics- SQL (MS-SQL/MySQL)- HTTP REST APIs, JSON- Unit testing (Junit, Mockito)- Git, Maven, Jira
Should Have:- Cassandra/NoSQL- Metrics / observability (opentelemetry, prometheus/graphite/influxdb, grafana)- Curl/Postman/JMeter api testing- Linux, Windows
Would Like / Nice to Have:- TCP/IP networking, sockets- SMPP experience- SIP/Voice protocols- OWASP and Security expertise