Professional Summary: A seasoned hands-on professional with more than 17+ years of experience in designing, architecting, developing, and maintaining world-class software products for various domains. A complete FULL STACK Developer with excellent programming, debugging and maintaining skills. Domains: ► Fintech, Payments, Lending, Loan Management Systems LMS, Embedded Finance Open API ► HealthCare ( EHR, Diagnosis Prediction, Clinic Management Software), Integration with Patient Management Systems (PMS), (Allscripts, Athena) ► LBS, MAPS, Navigation, GPS, Driving Directions, Route Optimisation, Spatial Databases (PostGIS), Mapserver, Geotools. ► Mobile VAS, SMS based products ► Security, SIEM. ► Observability, APM. ► Cloud AWS and Graph Databases (Apache Tinkerpop, Java Gremlin) ► "https://eportfolio.mygreatlearning.com/sandeep-kumar-jakkaraju" Core Competencies: ► Data Structures and Algorithms, LLD, HLD. ► Languages -- Java, Kotlin, Python, Tcl, JavaScript, JQuery ► J2EE, JEE, Servlet, JSP, EJB Spring, JPA, Hibernate. ► UI/SPA -- AngularJS, Angular 2+ , Sencha ExtJS ► Platform Development-> Security, User Mgmt, Card Mgmt, Workflow Service, Data Access, Batch, etc ► Enterprise Integrations (EI) - Apache Camel, Spring Integration, Oracle Integration Cloud ► Cloud Services (AWS 5+ years, Oracle (Migration) , Azure (Java App deployment) ► Activiti BPM Framework - User Integration, Workflow implementation, IVR Call Flow (Twillio Integration, SIP ) ► Batch Applications (Spring Batch, Flux) ► Data Pipelines (Apache NiFi) ► REST, MicroServices and SOAP. ► IdM ( AWS COGNITO, OKTA, SAML, OAUTH , Spring Security, KeyCloak) ► Jenkins/GIT/New Relic/Sumo Logic/Elastic APM ► NoSQL (Versant, MongoDB, AWS Neptune, JanusGraph) ► RDBMS (PostgreSQL, MySQL, Oracle, Informix) ► Big Data/AI/ ML. ► Linux, Mac OS -Development/Deployment ► Learning Node, Groovy, Grails. ► ► Integrated with IBM AS400 and DB2 Services with Java, Groovy Applications. ► ► Integrations with Core Banking Systems (Gibraltar Savings Bank). (OAUTH 2.0) ► ► Integrations with Card Management Systems (FIS US, FIS UK). (SOAP, REST) ► ► Integrations with Patient Management Systems (PMS) (Allscripts, Athena, etc). (REST) ► ► Integrations with Enterprise SAP CRM, Hybris. (REST) ► ► Developed complete Identity and User Management using AWS Cognito.